The name of the invention: the liquid supply unit
Technical field
[0001]
　The present invention relates to a liquid supply unit for supplying liquid to a liquid ejecting apparatus.
Background technique
[0002]
　The liquid supply unit, for example, ink cartridges for supplying ink are known so-called ink jet printer. Ink jet printer (hereinafter, simply referred to as "printer".) Is an embodiment of the liquid ejecting apparatus is a printing apparatus that forms an image by ejecting ink droplets onto the printing surface. Ink cartridges, typically detachably mounted on the carriage with the printer is equipped. In Patent Document 1 technique, the ink cartridge is mounted on the carriage by rotation of the lever.
CITATION
Patent literature
[0003]
Patent Document 1: Japanese Unexamined Patent Publication No. 2013-141804
Summary of the invention
Problems that the Invention is to Solve
[0004]
　Ink cartridges, there is one having a circuit board for the exchange of electrical signals between the printer. Printer, the exchange of signals through the circuit board, detection of the mounting state of the ink cartridge with respect to the carriage, to perform acquisition of information about the ink contained in the ink cartridge. For the ink cartridge, the electrical connectivity between the printer is desired to be secured when mounted on the carriage of the printer.
[0005]
　Also, for the ink cartridge, with a fixed and stability that is enhanced is desired when it is mounted on the carriage, the efficiency of space utilization due to downsizing and simplification of the mounting mechanism therefor increase it is desired to be. In addition, for the ink cartridge, such as easier and erroneous mounting of suppression of the mounting operation for the printer, it is desired that the operation is enhanced in mounting operation.
[0006]
　Thus, conventionally, it is stacked every day studied to enhance the wearability for the carriage of the ink cartridge. In addition, for the ink cartridge, its and miniaturization, cost reduction, ease of production, resource saving, improvement of usability is desired. These problems are not limited to the ink cartridge mounted on the printer, such as a liquid ejecting apparatus for ejecting liquid, is mounted, connected to a device that consumes a liquid, is common to the liquid supply unit supplies the liquid to the device It has been a problem.
Means for Solving the Problems
[0007]
　The present invention has been made to solve at least part of the problems described above, and can be realized as the following aspects.
[0008]
According to an embodiment of [1] The present invention, an electrode portion, wearable liquid supply unit is provided to a liquid ejecting apparatus having the engaged portion. The liquid supply unit may comprise a plurality of contact portions, and the engaging portion. Wherein the plurality of contact portions are electrically connectable to may be arranged in one array direction for the electrode portion. The engagement portion, said plurality of contact portions may the be engageable with the engaged portion so as to restrict movement away from the liquid jetting apparatus. Further, the plurality of contact portions comprises a first contact portion and second contact portion positioned at both ends in the arrangement direction, the engaging portion, said second contact and said first contact portion in the array direction it may have a width larger than the distance between the parts. According to the liquid supply unit of this embodiment, because it is locked to the liquid ejecting apparatus by the wide engagement portion width than the first contact portion interval of the second contact portion, and a second contact portion first contact portion electrical connection is enhanced.
[0009]
[2] The liquid supply unit of the embodiment, the engaging portion has a first abutting portion that can abut on the engaged portion and the second contact portion, the first person in the arrangement direction the a contact portion the distance between the second abutment portion may be wider than the distance between the second contact portion and the first contact portion in the array direction. According to the liquid supply unit of this embodiment, the locking first and placement interval is wide with respect to the engaged portion of the second contact portion, with the arrangement direction is tilted in the first contact portion and second contact portion it is prevented that would be mounted in a liquid ejecting apparatus.
[0010]
[3] The liquid supply unit of the embodiment, in the engaging portion, and said first abutting portion and said second contact portion, it may be arranged with a space in the array direction. According to the liquid supply unit of this embodiment, since there is a space between the first and second abutting portions, inclined first and second abutment portion of the main engaging portion relative to the engaged portion that on thus abuts is suppressed. Thus, reduction in the connectivity of the first contact portion and second contact portion due to the inclination of the liquid supply unit can be suppressed.
[0011]
[4] a liquid supply unit of the embodiment further may comprise a first detection terminal and second detection terminal for the liquid jetting device detects the mounting of the liquid supply unit, wherein the first detecting terminal is the having a first contact portion, said second detection terminal may have the second contact portion. According to the liquid supply unit of this embodiment, the detection accuracy of the mounting state of the liquid supply unit to the liquid ejecting apparatus is enhanced.
[0012]
[5] a liquid supply unit of the embodiment, a storage device, the liquid jetting apparatus comprises a third contact portion that can be electrically connected to, in said arrangement direction and said first detection terminal and said second detection terminal located between the data terminal capable of supplying data to the storage device, a fourth contact portion that can be electrically connected to the liquid ejecting apparatus, the first detection terminal and said second detection in said arrangement direction located between the terminal, and the high-potential terminal capable of supplying a high potential to the storage device, and a fifth contact part capable electrically connected to the liquid ejecting apparatus, the first detection terminal in the arrangement direction and located between the second detection terminal may be provided with a low-potential terminal capable of supplying low potential to the storage device. According to the liquid supply unit of this embodiment, since the connection of the terminals is increased, quality of communication between the storage device and the liquid ejecting apparatus of the liquid supply unit is enhanced.
[0013]
[6] a liquid supply unit of the embodiment, the third wall portion intersecting with the first wall portion, a second wall portion facing the first wall portion, and said first wall portion and the second wall portion If, crossing the first wall portion and the second wall portion, and a fourth wall portion facing the third wall portion may comprise a. And the engaging portion, said first contacting portion, said second contact portion, is positioned in the fourth wall portion, the engagement portion, the first wall portion from said second wall portion the direction toward the engaged portion abuts, when viewed in plan the liquid supply unit in a direction toward the third wall portion from said fourth wall portion, and the second contact portion and the first contact portion , it may be located between the engaging portion and the first wall portion. According to the liquid supply unit of this embodiment, first and second contact portions, since at the location held down by the engagement portion, the electrical connection is enhanced. The fixed resistance of the liquid supply unit to the liquid ejecting apparatus is enhanced.
[0014]
[7] The liquid supply unit of the embodiment, the engagement portion, in a direction from said third wall to said fourth wall portion, including the extending portion extending from said second wall portion good. According to the liquid supply unit of this embodiment, fixing of the liquid supply unit to the liquid ejecting apparatus is enhanced.
[0015]
[8] The liquid supply unit of the embodiment, a fifth wall portion that intersects the first wall portion and the second wall portion and the third wall portion and the fourth wall portion, said first wall portion wherein the second wall portion and the and the third wall portion intersects the fourth wall portion, and a sixth wall portion that faces the fifth wall portion, may be provided with. When viewed in plan the liquid supply unit in a direction toward the third wall portion from said fourth wall portion, a distance from the fifth wall portion to the engagement portion of the first contact from the fifth wall portion shorter than the distance to the section, distance from the sixth wall portion to the engaging portion may be shorter than the distance from the sixth wall portion to the second contact portion. According to the liquid supply unit of this embodiment, the arrangement angle of the liquid supply unit when mounted on the liquid ejecting apparatus is stabilized, the electrical connection of the first and second contact portions is increased.
[0016]
[9] The liquid supply unit of the embodiment, the engagement portion in a direction toward the sixth wall portion from the fifth wall portion includes a first portion, and the notch portion, a second portion, in this order , the engaging portion may be capable of contacting with said first portion and said second portion to said liquid ejecting apparatus. According to the liquid supply unit of this embodiment, by contact with the engaged portion is suppressed in the center by the engagement portion has a cutout portion, the inclination of the arrangement angle of the liquid supply unit can be suppressed.
[0017]
[10] In the liquid supply unit of the embodiment, the engaging portion includes a first protrusion protruding from said second wall portion toward the first wall portion, the first convex portion, the in the process of mounting the liquid supply unit to the liquid jetting apparatus, comprising the pressable first pressing surface of the engaged portion in a direction away from the engaging portion of the liquid ejecting apparatus, the engaging portion, in the process of mounting the liquid supply unit to the liquid ejecting apparatus, after the first pressing surface has moved in a direction away said engaged portion from the engaging portion by pushing the engaged portion, wherein when the engaged portion is moved toward the engaging portion, wherein the may be configured to be engaged with the engaged portion. According to the liquid supply unit of this embodiment, operability in mounting operation of the liquid supply unit is enhanced.
[0018]
[11] In the liquid supply unit of the embodiment, the engagement portion further includes a second protrusion protruding in a direction toward the first wall portion from said second wall portion, the second convex portion , wherein the liquid supply unit in the course of mounting the liquid ejecting apparatus, comprising the pressable second pressing surface of the engaged portion in a direction away from the engaging portion of the liquid ejecting apparatus, the engaging portion after at least one of said second pressing surface and the first pressing surface has moved in a direction away said engaged portion from the engaging portion by pushing the engaged portion, the to-be engaged when the engaging portion is moved toward the engaging portion, said being configured to be engaged with the engaged portion, the liquid supply unit in a direction toward the third wall portion from said fourth wall portion to the plan view, wherein the first contact portion and second contact portion may be located between the first protrusions and the second protrusions. According to the liquid supply unit of this embodiment, along with the operability in mounting operation of the liquid supply unit is increased, the electrical connection of the first and second contact portions is increased.
[0019]
[12] In the liquid supply unit of the embodiment, the first wall portion has a liquid supply port capable of supplying the liquid to the liquid jetting apparatus, wherein from said first wall portion toward the second wall portion when a liquid supply unit and a plan view, the distance from the center of said liquid supply port to said engaging portion may be longer than the distance to the first contact portion from the center of the liquid supply port. According to the liquid supply unit of this embodiment, it is possible to improve the connectivity of the liquid supply port to the liquid ejecting apparatus.
[0020]
[13] The liquid supply unit of the embodiment, the first wall portion has a liquid liquid supply port capable of supplying to the liquid ejecting apparatus, wherein in a direction toward the second wall portion from said first wall portion a liquid supply unit in a plan view, the distance from the center of said liquid supply port to said engaging portion is longer than the distance from the center of the liquid supply port to said first contact portion, from the fifth wall portion in a direction toward the sixth wall portion, a center of said liquid supply port may be located between the first contact portion and the second contact portion. According to the liquid supply unit of this embodiment, the connection of the liquid supply port together with the connection of the first contact portion and second contact portion is increased.
[0021]
[14] The liquid supply unit of the embodiment may be configured to be attached by a third wall portion and the liquid ejecting apparatus is rotated a portion abuts as a fulcrum. If the liquid supply unit of this embodiment, mounted with respect to the liquid ejecting apparatus is enhanced.
[0022]
　A plurality of structural elements having the respective embodiments of the present invention described above is not all mandatory, for solving some or all of the problems described above, Alternatively, some or all of the effects described herein to achieve appropriate for some of the components of said plurality of components, the change, deletion, replacement with a new other components, it is possible to delete a portion of the limited content. Further, in order to solve some or all of the above problems, or to achieve some or all of the effects described herein, the technical features included in one embodiment of the present invention described above some or in combination with part or all of the technical features included in other forms of the present invention described above all, it is also possible to separate one embodiment of the present invention.
[0023]
　The present invention can also be implemented in various forms other than the liquid supply unit. For example, a system comprising a device or apparatus in which the liquid supply unit is mounted, the mounting mechanism and mounting structure of the liquid supply unit can be realized in the form of such attachment methods.
Brief description of the drawings
[0024]
Schematic perspective view showing an external configuration of [1] printing device.
[2] a schematic perspective view showing an external configuration of a configuration of the main body of the printing apparatus.
[3] a schematic perspective view showing a first and second ink cartridges mounted on the holder portion.
[Figure 4] top perspective view showing an external configuration of the first ink cartridge.
[5] bottom perspective view showing the external configuration of the first ink cartridge.
[6] a side view showing the external configuration of the first ink cartridge.
[7] a front view showing an external configuration of the first ink cartridge.
[8] a schematic sectional view of the first ink cartridge.
[9] schematic diagram showing an arrangement of a plurality of terminals in the circuit board.
[10] top perspective view of the second ink cartridge.
[11] bottom perspective view of the second ink cartridge.
[12] a side view of the second ink cartridge.
[13] a front view of the second ink cartridge.
[14] top perspective view when viewed from above the front side holder portion.
[15] top perspective view when the holder is viewed from above the rear side.
[16] bottom perspective view of the holder.
[Figure 17] schematic perspective view showing by extracting the vicinity of the lever portion and the device-side terminal portion in a state attached to the holder portion.
[18] side view of the lever portion.
Schematic diagram illustrating in a time series mounting process of the first ink cartridge with respect to FIG. 19 holder portion.
Schematic diagram illustrating in a time series mounting process of the first ink cartridge with respect to FIG. 20 holder portion.
[Figure 21] schematic view for explaining the relationship between the connection of engagement with the circuit board of the main engaging portion and the lever portion.
[Figure 22] schematic view for explaining the engagement mechanism to the main engaging portion by the lever portion.
[Figure 23] schematic view for explaining the relationship between the connection of the engaged state and the ink supply port between the main engaging portion and the lever portion.
[Figure 24] schematic diagram for explaining the first and second ink cartridges configuration of the second embodiment.
[Figure 25] schematic diagram showing a configuration of an ink cartridge of the third embodiment.
[Figure 26] schematic diagram showing a configuration of an ink cartridge of the fourth embodiment.
[27] a schematic diagram showing the configuration of the ink supply unit in the fifth embodiment.
DESCRIPTION OF THE INVENTION
[0025]
A. First Embodiment:
Configuration of Printing Apparatus]
　Fig. 1 is a first ink cartridge according to an embodiment (. Hereinafter, simply also referred to as "cartridge") schematically showing an external structure of a printing apparatus 10 to be mounted is the invention it is a perspective view. Arrow X indicating the three directions orthogonal to each other in FIG. 1, Y, Z are shown. The arrow X shows the horizontal lateral direction parallel to the direction (width direction) of the printing device 10 indicates the direction from left to right when the face the printing apparatus 10. Arrow Y shows a direction parallel to the longitudinal direction of the printing apparatus 10, and from the rear (rear side) indicates the direction toward the anterior (front). Arrow Z shows the height direction of the printing apparatus 10, shows a vertically upward with respect to mounting surface on which the printing apparatus 10 is mounted. Also in each of the other drawing used in the description herein, arrows X, Y, Z are as appropriate, 1, is shown to correspond to FIG. In this specification, when referred to as "upper" or "lower" means a direction with respect to the direction of the arrow Z of the printing apparatus 10. Likewise, when referred to as "front" or "rear" means a direction with respect to the direction of arrow Y of the printing apparatus 10, respectively, when referred to as "left" or "right", arrow X which means the direction in which the basis of the direction.
[0026]
　The printing apparatus 10 is an inkjet printer, which is an embodiment of a liquid injection system. Printing apparatus 10 forms an image by ejecting ink droplets onto the printing paper according to the print data supplied from the outside. Printing device 10 includes a housing 11, a paper feed port 12, a top cover 13, a sheet discharge port 14, an operation unit 16, a. The housing 11 is a package member which houses the main body portion (described later) comprising a printing mechanism of the printing apparatus 10. Feed port 12 is an opening portion provided so as to open upward at the rear of the housing 11. Printing paper as a printing medium is supplied to the inside of the main body portion of the housing 11 through the feed port 12.
[0027]
　Top cover 13 is a plate-like member pivotally mounted to housing 11 at 12 near the sheet feed port. When the upper surface state cover 13 which open in the (condition being shown), and functions as a guide plate when feeding the printing paper in the input port 12, when in the closed position covering the center of the upper surface of the housing 11 protecting to function as a lid portion that. The discharge outlet 14 is an opening provided on a front surface of the housing 11. Printing paper fed into the inside of the housing 11 through the feed port 12 is discharged to the outside through the discharge outlet 14. Operation unit 16 includes or buttons for accepting user operations, a display unit for displaying information to the user. The operation unit 16 is provided on the upper surface of the housing 11, the user can access the operating unit 16 in a state where the top cover 13 is opened.
[0028]
　2 is a schematic perspective view showing an external configuration of the body portion 20 that has been removed from inside the housing 11 of the printer 10. Moving locus of the carriage 27 is shown schematically by dashed lines in FIG. Body portion 20 includes a control unit 21, a conveying unit 22, a printing section 23, the. The control unit 21 is constituted by a microcomputer comprising a central processing unit and main memory. The control unit 21 executes control to the printing process the respective components of the printer 10 in response to a command from the user's operation or an external computer via the operation unit 16. Conveying unit 22, a printing paper is introduced from the feed port 12 (FIG. 1), by the rotation of the transport roller 25, and extends in the direction of arrow Y in the main body portion 20 (the sub-scanning direction) conveying path (not shown) is conveyed to the discharge port 14 via the.
[0029]
　Printing unit 23 is disposed on the transport path of the printing paper, to perform printing on the printing paper being transported by the transport unit 22. Printing unit 23 includes a carriage 27, a guide rail 28, a. The carriage 27 is a print head for ejecting ink droplets (not shown) a. The carriage 27 is printing under control of the control unit 21 while reciprocating along the guide rail 28 which is laid in the main scanning direction (direction of arrow X-), will be transported in the sub-scanning direction by the transport unit 22 It ejects ink droplets toward the paper surface of the paper. Printing apparatus 10 of the present embodiment is a so-called on-carriage type, the carriage 27, two ink cartridges 100a through the holder 200, 100 b are mounted detachably.
[0030]
　3 is a schematic perspective view showing a first and a state of being attached to the holder portion 200 in the printing apparatus 10 and the second ink cartridge 100 a, a 100b. The first and second ink cartridge 100a, 100b accommodates the ink to correspond to the liquid supply unit, to supply to the printing apparatus 10. The first ink cartridges 100a accommodates one type of color ink, the second ink cartridge 100b types accommodates a plurality of different color inks. In the present embodiment, the first ink cartridge 100a has a black color ink is accommodated, the second ink cartridge 100b is accommodated color inks cyan, yellow and magenta.
[0031]
　The first and second ink cartridges 100a, 100b has a substantially rectangular parallelepiped shape, respectively. The length (length in the direction of arrow Y) and height of the first ink cartridge 100 a (length in the direction of the arrow Z) are substantially the same as the second ink cartridge 100b. Holder unit 200 is configured as a box having a substantially rectangular parallelepiped shape with upwardly open. The first and second ink cartridges 100a, 100b are accommodated in parallel in an internal space of the holder portion 200 in a state in which the length and height are substantially aligned. The first and second ink cartridges 100a in a state mounted on the holder portion 200, the side surface and the bottom surface of 100b is substantially covered the entire top surface is exposed upward.
[0032]
　The first and second ink cartridges 100a, 100b is fixed to the holder portion 200 is independently. In the following, first and second ink cartridges 100a, details the construction of 100b and the holder portion 200, the first and second ink cartridges 100a for the holder unit 200, the mechanism of attachment and fixing of the 100b will be described . Note that the first and second ink cartridges 100 a, arrow X shown in the drawings showing a 100 b, Y-, Z directions indicate the directions in a state of being attached to the printing apparatus 10 described above.
[0033]
[First ink Configuration of Cartridge
　construction details of first ink cartridge 100a is described a 4 to 8 as a reference view. 4 is a top perspective view of a first ink cartridge 100a. 5 is a bottom perspective view of the first ink cartridge 100a. FIG 6 is a side view of the first ink cartridge 100a. 7 is a front view of a first ink cartridge 100a. FIG 8 is a schematic sectional view of a first ink cartridge 100a in the A-the A cutting shown in Fig. In FIG. 8, illustration of the detailed structure of the ink chamber 108 is omitted.
[0034]
　As described above, the first ink cartridge 100a has a substantially rectangular parallelepiped shape, and has an ink chamber 108 (FIG. 8) six wall portions 101 to 106 surrounding a for accommodating the ink. The first wall portion 101 (FIG. 5) constitutes a bottom surface of the first ink cartridge 100a. The bottom surface is a surface facing in the opposite direction of the arrow Z when attached to the printing apparatus 10. In the center of the first wall portion 101, ink supply port 110 communicating with the ink chamber 108 is provided. The ink supply port 110, when the first ink cartridge 100a is mounted to the holder unit 200 is connected to the ink receiving portion of the holder portion 200 (described later).
[0035]
　The second wall portion 102 (FIG. 4) is opposed to the first wall portion 101, constitute a top surface of the first ink cartridge 100a. The upper surface and is a surface facing in the direction of the arrow Z when attached to the printing apparatus 10. The second wall portion 102 is constituted by a separable lid 102c (FIG. 8) from the body of the first ink cartridge 100a.
[0036]
　The second wall portion 102, the center of the end portion adjacent to the fourth wall portion 104 has an extension portion 113 extending extends in the direction of arrow Y-. The term "extended" as used herein, means that extends continuously without break. Extending portion 113 constitutes a part of the primary engagement portion 120. The second wall portion 102 includes a through hole 115 for filling the ink into the ink chamber 108, an air flow passage 116 for introducing the outside air into the ink chamber 108, film-like seal for sealing them from above It has a member 117, (Fig. 8).
[0037]
　The third wall portion 103 (FIG. 6) intersects the first wall portion 101 and the second wall portion 102. The third wall portion 103 constitutes a rear surface of the first ink cartridge 100a, arranged such that the first ink cartridges 100a faces the rear of the printing apparatus 10 (opposite the direction of arrow Y) when mounted on the holder portion 200 It is. At the lower end of the third wall portion 103, a plurality of protrusions 114 protruding in the direction along the arrow Y is provided. Each of the plurality of protrusions 114 are arranged at both ends in the direction of arrow X-. The plurality of protrusions 114 engage are inserted into the fitting hole of the holder portion 200 (described later) when the first ink cartridge 100a is attached to the holder portion 200.
[0038]
　The fourth wall portion 104 has a first wall portion 101 intersects the second wall portion 102 faces the third wall portion 103 (FIGS. 4-8). The fourth wall portion 104, the front constitute the first ink cartridges 100a, when the first ink cartridge 100a is attached to the holder portion 200 in a direction facing the front of the printing apparatus 10 (direction of arrow Y-), and the user to confronting. The fourth wall portion 104, the main engaging portion 120 that engages is provided for the lever portion of the holder portion 200 (described later). As used herein, "engaged" means that mutually relate to a predetermined site such movement direction is restricted. Primary engagement portion 120 is provided substantially at the center in the direction of arrow X at a position close to the upper end portion of the fourth wall portion 104.
[0039]
　Primary engagement portion 120 is formed as a tongue-shaped overhanging portion which extends forwardly while slightly descending from the second wall portion 102. The forward end of the primary engagement portion 120, cutout portions 122 are locally recessed portion in the center is provided, which is separated into two separated by a recess space of the notch portion 122. That is, the forward end of the primary engagement portion 120, in order in the direction of arrow X, a first overhanging portion 121 is a first portion, a cutout portion 122, and the second overhanging portion 123 which is the second part, but It has an array configuration. Each first overhanging portion 121 and the second overhanging portion 123, a first contact portion corresponds to the second contact portion, when engaged with the lever portion of the holder portion 200, the upper surface of the holder portion 200 to surface contact with the lever portion.
[0040]
　Each first visor portion 121 on the lower surface of the second overhanging portion 123, a first side wall portions 125 projecting so as to droop in parallel downward and the side wall portions 126 are provided. Each first side wall portion 125 and the second side wall portion 126, in mounting a first ink cartridge 100a into the holder portion 200, a first convex portion for rotating by pushing the lever portion of the holder portion 200 and the second convex to function as a part (which will be described in detail later). Further, a first side wall portion 125 and the second side wall portion 126, also functions as a protection unit of the circuit board 130 as described below.
[0041]
　Below the main engaging portion 120 of the fourth wall portion 104, the circuit board 130 for exchanging electrical signals between the printer 10 is arranged (FIG. 5). The circuit board 130 are slightly to face downward fixed, for example, the fourth wall portion 104 has an inclined angle of 10 ° ~ 45 ° with respect to the Z-direction its surface.
[0042]
　The circuit board 130 includes a terminal portion 131, a storage device 132, (FIG. 8). Terminal portion 131 is provided on the surface of the circuit board 130 has a plurality of terminals are arranged in a predetermined arrangement direction. When the first ink cartridge 100a is attached to the holder portion 200, the terminals of the terminal portion 131 contacts the corresponding one of the terminals of the plurality of terminals provided on the holder unit 200 (described later) electrically conducting on. For more information on array configuration of a plurality of terminals of the terminal portion 131 of the circuit board 130 will be described later. Storage device 132, for example, constituted by a rewrite non-volatile memory such as a flash ROM. Storage device 132, such as color and remaining amount of ink contained in the first ink cartridges 100 a, information about the ink are nonvolatile manner.
[0043]
　Printing apparatus 10, some of the terminals of the terminal portion 131 of the circuit board 130 corresponds to electrically conductive contact with one of the terminals (described later) of the plurality of terminals provided in the holder portion 200, respectively it allows the first ink cartridge 100a detects that are mounted. Further, the printing apparatus 10 acquires the information relating to the ink from the storage device 132 of the circuit board 130.
[0044]
　In the present embodiment, the circuit board 130 is disposed at a position sandwiched between the first side wall portion 125 of the primary engagement portion 120 and the second side wall portion 126 (FIG. 5, FIG. 7). A first side wall portion 125 and the second side wall portion 126, and protrudes forwardly on both sides of the surface of the circuit board 130. In this manner, by a first side wall portion 125 from both sides of the circuit board 130 and the second side wall portions 126 are protruded, the user is prevented from resulting in touching accidentally terminal of the circuit board 130, the terminal portion 131 terminal is protected.
[0045]
　The fifth wall portion 105 and the sixth wall portion 106, a first wall portion 101, a second wall portion 102, and the third wall portion 103, opposite to each other while intersecting the a fourth wall portion 104, are (FIGS. 4 to 7). The fifth wall portion 105 and the sixth wall portion 106, constitute a side of the first ink cartridge 100a. The fifth wall portion 105 on the surface of the sixth wall portion 106, the rib 141, 142, 143 are provided extending in the direction of arrow Z. The first rib 141 is provided at the rear end portion, the second rib 142 is provided at a position in the longitudinal direction of the middle, the third rib 143 is provided at the forward end.
[0046]
　Each rib 141, 142 and 143 function as the reinforcing portion of the sidewall surface of the first ink cartridge 100a. Further, when the first ink cartridge 100a is attached to the holder 200, also functions as a guide portion for defining the moving direction of the first ink cartridge 100a, the positioning for fixing the position of the first ink cartridge 100a also functions as a part (which will be described in detail later).
[0047]
　Figure 9 is a schematic view showing an arrangement of a plurality of terminals 151-159 in the circuit board 130. 9, is shown the contact portion CP of the terminals 151-159 by broken lines. Each of the plurality of terminals 151-159 has a contact portion CP. Each contact portions CP of the terminals 151-159 is a portion for electrically conductive contact with one of the corresponding pin provided on the holder portion 200 (described later). Is divided into two rows of upper and lower at the contact portion CP is the circuit board 130 of the plurality of terminals 151-159 are arranged in parallel to the arrangement direction in the direction of arrow X-. The contact portion CP of the first and second terminals 151 and 152 are disposed at both ends of the upper row, respectively. The contact portion CP of the third and fourth terminals 153 and 154 are arranged in this order in the direction of the arrow X between the respective contact portions CP of the first and second terminals 151 and 152. A fifth contact portion CP of the sixth terminal 155 and 156 are disposed at both ends of the lower column, respectively. The seventh and eighth contact portion CP of the ninth terminals 157,158,159, between the respective contact portions CP of the fifth and sixth terminals 155 and 156, are arranged in this order in the direction of arrow X there.
[0048]
　The first and the holder portion of the second terminal 151 and 152 corresponds to the second detection terminal having a first detection terminal and a second contact portion having a first contact portion, respectively, the printing apparatus 10 is a first ink cartridge 100a used to detect mounting for 200. The first and second terminals 151 and 152, the first ink cartridge 100a is configured to produce a predetermined voltage change when in contact with the corresponding terminals of the holder portion 200 is properly mounted to the holder unit 200 there. Specifically, the first and and second terminals 151 and 152 are shorted together, based on the voltage first ink cartridge 100a is applied to the first terminal 151 when mounted on the holder portion 200 the voltage of the second terminal 152 is configured so as to change on.
[0049]
　In the circuit board 130 of the present embodiment, since it is arranged at both ends number of small array direction of the contact portion CP of the contact portion CP is adjacent terminals of the first and second terminals 151 and 152, the other terminal occurrence of short circuit between the contact portion CP is suppressed. Further, the contact portion CP of the first and second terminals 151 and 152 because they are spaced apart in the direction of arrow X, the first ink cartridge 100a is attached in a state inclined in the direction of arrow X it is possible to suppress the state you are from being detected as the correct mounting state. Thus, according to the circuit board 130 of the present embodiment, the detection accuracy of the mounting state of the first ink cartridge 100a for the holder unit 200 is increased.
[0050]
　The third terminal 153 is a ground terminal to which the contact portion CP is grounded when in contact with the corresponding terminals of the holder portion 200, corresponding to the low potential to a low potential terminal that can be supplied to the storage device 132. The fourth terminal 154 is a power supply terminal to which a high potential is applied when the contact portion CP contacts the corresponding terminal of the holder portion 200, a high potential to a high potential terminal that can be supplied to the storage device 132 Equivalent to.
[0051]
　The fifth and sixth terminals 155 and 156, like the first and second terminals 151 and 152, the printing apparatus 10 is used to detect the mounting of the first ink cartridge 100a for the holder unit 200. Terminal 157 of the seventh, a reset terminal for supplying a reset signal from the printing apparatus 10 in the storage device 132. Terminal 158 of the eighth, a clock terminal for supplying a clock signal from the printing apparatus 10 in the storage device 132. Terminal 159 of the ninth, a data terminal for exchanging data signals between the memory device 132 and the printing apparatus 10. In the present embodiment, the printing apparatus 10 transmits and receives data to and from the storage device 132 by serial transfer through the ninth terminal 159 based on the clock signal supplied through the terminal 158 of the eighth.
[0052]
Second ink cartridges Configuration
　Configuration of the details of the second ink cartridge 100b is explained to FIGS. 10 to 13 as a reference view. 10 is a top perspective view of a second ink cartridge 100b. In Figure 10, for convenience, it is shown the ink chambers 108a ~ 108c, which is formed inside the second ink cartridge 100b in broken lines. 11 is a bottom perspective view of the second ink cartridge 100b. 12 is a side view of the second ink cartridge 100b. 13 is a front view of the second ink cartridge 100b. In Figure 10 to 13, the components common to the components of the first ink cartridges 100a described in FIGS. 4-8 are denoted by the same reference numerals.
[0053]
　As described above, the second ink cartridge 100b has the appearance of a substantially rectangular parallelepiped shape, having six walls 101 to 106 corresponding to the walls 101-106 of first ink cartridge 100a there. Inside the second ink cartridge 100b is partitioned into three ink chambers 108a ~ 108c for housing the three color inks for each color.
[0054]
　The first ink chamber 108a is formed in the front region facing the fourth wall portion 104. Second and third ink chambers 108b, respectively 108c, the rear side region than the first ink chamber 108a, which is formed by bisecting the direction of arrow X-. The second ink chamber 108b is formed on the side facing the fifth wall portion 105, the third ink chamber 108c is formed on the side facing the sixth wall portion 106.
[0055]
　The first wall portion 101 (FIG. 11), three ink supply ports 110 a ~ 110c corresponding to the respective ink chambers 108a ~ 108c are provided. First ink supply ports 110a has its center are formed substantially coincident position with the center in the direction of arrow X of the fourth wall portion has a main engaging portion 120 provided in the 104. Second and third ink supply port 110 b, respectively 110c, the second and third ink chambers 108b, provided at the center of 108c.
[0056]
　Second and third ink supply port 110 b, the second and the third ink chamber 108b between 110c, a position corresponding to the boundary position of 108c, a groove portion 118 extending linearly in the direction of the arrow Y are formed ing. Groove 118, the second sub-wall portion of the holder portion 200 when the second ink cartridge 100b is attached to the holder portion 200 (described later) serves as an engaged portion engaged.
[0057]
　The second wall portion 102 (FIG. 10) is substantially the same configuration as the second wall portion 102 of the first ink cartridge 100a, except differs from the forming position of the point where the width in the direction of arrow X are different extending portion 113 It has. Extending portion 113 is formed at a position closer to the opposite direction of the arrow X from the center of the end portion adjacent to the fourth wall portion 104. The third wall portion 103 (FIG. 11, FIG. 12), except that the width in the direction of arrow X are different has substantially the same configuration as the third wall portion 103 of the first ink cartridge 100a.
[0058]
　The fourth wall portion 104 (FIG. 10, FIG. 11), except that is different form the position of the primary engagement portion 120 has substantially the same configuration as the fourth wall portion 104 of the first ink cartridge 100a . Primary engagement portion 120 is formed on the closer in the direction of the position opposite to the direction of the center from the arrow X of the end portion adjacent to the second wall portion 102. Thereby, the first and second ink cartridges 100a, 100b is when mounted on the holder portion 200, it is adjacently arranged in a position where each of the main engaging portion 120 are close (Fig. 3). The fifth wall portion 105 (FIG. 10, FIG. 11) and the sixth wall portion 106 (FIG. 12) each have substantially the same configuration as the fifth wall portion 105 of the first ink cartridge 100a and the sixth wall portion 106 ing.
[0059]
Configuration of the holder]
　explaining a schematic structure of the holder unit 200 as a reference diagram to FIGS. 14 to 16. 14 is a top perspective view when viewed holder portion 200 from above the front side. 15 is a top perspective view when viewed holder portion 200 from the rear side. FIG. 16 is a bottom perspective view of the holder portion 200. Holder unit 200, as described above, is configured as a box having a substantially rectangular parallelepiped shape with upwardly open. Holder unit 200 includes a first and second ink cartridges 100 a, 5 of 5 one wall 201-205 surrounding the cartridge housing chamber 210 100b is accommodated.
[0060]
　Bottom wall portion 201 constitutes a bottom surface of the cartridge accommodating chamber 210. Each front wall portion 202 and a back wall portion 203 extends substantially vertically upward from an end portion of the front and rear end portions of the bottom wall portion 201, constitute a front and rear of the cartridge housing chamber 210 . Each of the first side wall portion 204 and a second side wall portion 205 extends substantially vertically upward from the left end and right end of the bottom wall portion 201, constitute a left side and a right side of the cartridge accommodating chamber 210 ing.
[0061]
　Bottom wall portion 201 (FIG. 14, FIG. 15), the respective ink cartridges 100 a, the ink receiving portions 211-214 which are connected to the ink supply ports 110,100a ~ 100c and 100b are provided. On the outer periphery of each ink receiving portions 211-214, it suppresses the outside air intrusion for the path of the ink, the sealing portion 215 for suppressing the leakage to the outside of the ink.
[0062]
　The bottom wall portion 201, first and second ink cartridges 100 a, the biasing mechanism 217 for biasing 100b the upward respectively are provided. In this embodiment, biasing mechanism 217 is constituted by a helical spring. The biasing mechanism 217 is disposed at a position adjacent to the lever portion 230. Thereby, the first and second ink cartridges 100 a, the engaging force between the main engaging portion 120 and a lever portion 230 which mutually engage when 100b is mounted is increased, a first for the holder unit 200 second ink cartridge 100a, the mounting of the 100b is increased. Further, since the first and second ink cartridges 100a, 100b are urged upward when removing the first and second ink cartridges 100a, 100b from the holder portion 200, the operation of the removal operation It is enhanced.
[0063]
　The bottom wall 201 is parallel to the first side wall portion 204 and a second side wall portion 205, a low height first sub-wall portion 221 and the second sub-wall portion 224 is provided. The first sub-wall portion 221 is provided on the first side wall portion 204 and located adjacent to the second side wall portion 205, first and second ink cartridges 100 a, the position corresponding to 100b boundary position, It is. The second sub-wall portion 224, in a region where the second ink cartridge 100b is attached, the second and third ink chambers 108b, are provided at positions corresponding to the boundary position 108c.
[0064]
　The first sub-wall portion 221, the inclined portion 225 height towards the rearward end portion of the rear side becomes gradually lower are formed. In addition, the first sub-wall portion 221, the cutout portion 226 in the middle in the direction of arrow Y of the cartridge accommodating chamber 210 is formed. Each inclined portion 225 and the notched portion 226 when the first and second ink cartridges 100a, 100b is attached to the holder portion 200, the guide portion for guiding the first and second ink cartridges 100 a, the movement of 100b to function as (details of which will be described later).
[0065]
　The second sub-wall portion 224, the end portion of the rear side, a similar inclined portion 225 and the first sub-wall portion 221 is formed. When the second ink cartridge 100b is attached to the holder portion 200 is also inclined portion 225 serves as a guide portion for guiding the movement of the second ink cartridge 100b. A Also, the second sub-wall portion 224 engages the second ink cartridge first wall portion 101 groove portion is provided in 118 of 100b (FIG. 11), a function of fixing the second ink cartridge 100b .
[0066]
　The front wall portion 202 (FIG. 15), the lever portion 230 is provided. By the lever portion 230 to the front wall portion 202 is provided, the first and second ink cartridges 100 a, the user upon 100b attachment and detachment of it is possible to easily access the lever portion 230. Below the lever portion 230, the first and second ink cartridges 100a, 100b apparatus-side terminal section 250 that is in contact with the terminal portion 131 of the circuit board 130 is arranged. For more information on the configuration of the lever unit 230, and the apparatus terminal unit 250 will be described later.
[0067]
　At the lower end of the wall of the cartridge accommodating chamber 210 side of the back wall portion 203 (FIG. 14), a plurality of fitting holes 227 are arranged in the arrow X direction. When the first and second ink cartridges 100a, 100b is mounted, the fitting hole 227, a plurality of which are provided at the lower end of the third wall portion 103 of the ink cartridges 100a, 100b projecting portion 114 ( 5, FIG. 11) is engaged is inserted.
[0068]
　17, as a reference diagram to FIG. 18, illustrating the configuration of the lever portion 230 and a device-side terminal portion 250 of the holder portion 200. Figure 17 is a top perspective view showing the vicinity of the lever portion 230 and the device-side terminal section 250 of the condition being attached to the front wall portion 202 of the holder portion 200. Figure 18 is a side view of the lever portion 230. Figure 17, respectively, is shown by the chain line rotation axis RX is a point of the lever unit 230 in FIG. 18.
[0069]
　Lever 230, first and second ink cartridges 100 a, the main engaging portion 120 of 100b functions as the engaged portion to be engaged. Lever unit 230 includes a two legs 231 are extended in the direction of the arrow Z-, a bridge portion 232 that is cross-linked to the upper end of the two legs 231, a. The lower end of each leg 231 is convex portion 235 projecting outwardly, respectively, in the direction of arrow X are provided.
[0070]
　Lever 230, by fitting into a recess the convex portions 235 are provided in the front wall portion 202 (not illustrated), rotatably move in the longitudinal direction of the central axis of each convex section 235 as a rotation axis RX It is mounted such. In the holder 200, the lever 230, the biasing mechanism (not shown) while being urged rearwardly by, is engaged so as to rest at a predetermined rotation angle.
[0071]
　The bridge portion 232 of the lever portion 230 has a flat plate portion 236 (FIG. 18) which extends from the rear toward the front while being connected to the leg portion 231. The flat plate portion 236, corresponds to the engaged portion. The first and second ink cartridges 100 a, when 100b is mounted to the holder unit 200, the lower surface of the flat plate portion 236, the eaves of the ink cartridges 100a, 100b of the main engaging portion 120 (FIG. 5, FIG. 11) to contact the upper surface and the surface of the parts 121 and 123. As described later, the end face 237 of the rear side of the flat plate portion 236, first and second ink cartridges 100 a, when 100b mounting the first side wall portion 125 and the second side wall portions which primary engagement portion 120 has 126 in contact with each.
[0072]
　Device-side terminal section 250 (Fig. 17) has a plate shape, the first and second ink cartridges 100a to the surface of the rear side, 100 b of the terminal portion 131 of the respective terminals 151-159 (FIG. 9) a corresponding plurality of terminals 251 are arranged. Each terminal 251 may protrude in the thickness direction of the apparatus-side terminal section 250. In addition, each terminal 251, the device-side terminal portion 250 inside of the biasing mechanism (not shown) is biased in the protruding direction by. Device-side terminal section 250, the front wall portion 202 of the holder portion 200, in a state having an inclination angle corresponding to the first and second ink cartridges 100a, 100b circuit board 130, independently of the lever portion 230 It has been fixed.
[0073]
[Mounting mechanism of the ink cartridge with respect to the holder section]
　19, FIG. 20 is a schematic diagram illustrating in a time series mounting process of the first ink cartridge 100a for the holder unit 200. 19, the (a) ~ (e) column of FIG. 20, state is stepwise indicated when the first ink cartridge 100a is attached to the holder unit 200. Incidentally, FIG. 19, in FIG. 20, for convenience, the illustration of the first side wall portion 204 of the holder portion 200 is omitted. Further, in FIG. 19, it is appropriately shown arrow CP indicating the position where the holder portion 200 and the first ink cartridge 100a is in contact. Incidentally, the mounting process of the second ink cartridge 100b against the holder portion 200 is substantially the same as the first ink cartridge 100 a, and an illustration and description thereof will be omitted.
[0074]
　The ((a) column of FIG. 19) a first stage, a first ink cartridge 100a, the third wall portion 103 side comes close to the holder portion 200 in an inclined state becomes lower. Then, the upper end portion of the third wall portion 103, together with the contacts and the upper end portion of the rear wall portion 203 of the holder portion 200, the rear end portion of the fifth wall portion 105 and the sixth wall portion 106 of the first rib 141 the lower end is brought into contact with the upper end of the first sub-wall portion 221.
[0075]
　The ((b) column of FIG. 19) a second step, as a fulcrum contact points between the upper end portion of the third wall portion 103 of the upper end portion and the first ink cartridges 100a of the rear wall portion 203 of the holder portion 200, the 1 of the ink cartridge 100a is rotated and moved downward (arrow RD). At this time, the lower end of the first rib 141 begins to move while rubbing the upper surface of the inclined portion 225 of the first sub-wall portion 221, the lower end of the second rib 142 at the upper end of the notch 226 of the first sub-wall portion 221 in contact with. In the present specification, the term "rubbing" means that relatively moves in the direction of friction occurs in contact with other objects.
[0076]
　The ((c) column of FIG. 20) third stage, the main engaging portion 120 of the first ink cartridge 100a is in contact with the lever portion 230 of the holder portion 200. More specifically, the end face 127 of the front side of the first side wall portion 125 and the second side wall portion 126 of the primary engagement portions 120 are in contact with the end surface 237 and the surface of the flat plate portion 236 of the bridge portion 232 of the lever unit 230. Further, the plurality of protrusions 114 provided on the lower end of the third wall portion 103 of the first cartridge 100a is inserted into the corresponding fitting hole 227 of the holder portion 200. After this, the first of the cartridge 100a is rotated and moved as a fulcrum point of contact with the protrusion 114 and the fitting hole 227.
[0077]
　The ((d-) column of FIG. 20) a fourth step, by rotational movement of the first ink cartridge 100a is continued, primary engagement portion 120 is moved downward. Lever 230 moves forward in the direction away from the first side wall portion 125 and the second side wall portion 126 and the main engaging portion 120 is pushed into the primary engagement portion 120 (arrow SD). In this specification, when referred to as "away moves in a direction", not only when moving from the object to be actually separated, the said object while retaining the distance between the object including the case where it is moved in the opposite direction. A first side wall portion 125 of the primary engagement portions 120 end face 127 of the second side wall portion 126 corresponding to the first pressing surface and the second pressing surface, respectively. Thus, in the first ink cartridge 100a of the embodiment, since the lever portion 230 is rotated and moved by a main engaging portion 120, can be omitted rotational movement operation of the lever portion 230 by the user's fingertip.
[0078]
　In the fourth step, a plurality of terminals of the terminal 151-159 apparatus-side terminal section 250 of each holder 200 of the contact portion CP (FIG. 9) at the terminal portion 131 of the circuit board 130 of the first ink cartridge 100a corresponding contact with one of the 251. With the downward movement of the first ink cartridge 100a, the surface of the contact portion CP respective terminals 151-159 of the first ink cartridge 100a is in the corresponding terminal 251 of the holder portion 200 by respective contact portions CP sliding It bowed to. The "rubbing" means that moves relative to the object so that the friction is caused. This rubbing, because the deposits such as dirt on the surface of the contact portion CP of the terminal is removed, the electrical contact resistance between the terminals is increased.
[0079]
　In ((e) column of FIG. 20) Fifth step, the rotational movement of the first ink cartridge 100a is completed, the first wall portion 101 is supported by the bottom wall portion 201 of the holder portion 200. At this time, the lower end of the second rib 142, the position is fixed by reaching to the bottom of the notch 226 of the first sub-wall portion 221. A plurality of protrusions 114 provided on the lower end of the third wall portion 103 of the first ink cartridge 100a is a state of being inserted into the corresponding fitting hole 227 of the holder portion 200, a first ink cartridge 100a to function as an engaging portion for engaging the holder portion 200.
[0080]
　In addition, in the fifth step, by primary engagement portion 120 is moved to the lowermost position, the bridge portion 232 of the first side wall portion 125 and the second side wall portion 126 and the lever portion 230 of the primary engagement portion 120 engagement between is released. Therefore, the lever portion 230 returns to the initial position of the rear side by a biasing mechanism of its lower end (arrow RVD), the bridge portion 232 is moved to the upper side of each overhanging portion 121 and 123 of the main engaging portion 120. Thus, upper surfaces of the overhang 121 and 123 are in contact the lower surface and the surface of the flat plate portion 236 of the lever 230 is engaged and a primary engagement portion 120 and the lever portion 230. Through the above steps, the first ink cartridge 100a is attached to the holder portion 200.
[0081]
　Figure 21 is a schematic view for explaining the relationship between the connectivity engagement with the circuit board 130 with the primary engagement portion 120 and the lever portion 230. 21 shows a state where the primary engagement portion 120 and the lever portion 230 is engaged with each other, the arrangement position of the circuit board 130 in this state is illustrated schematically. Further, in FIG. 21 shows a schematic outer peripheral contour of the fourth wall portion 104 of the first ink cartridge 100a is shown by a dashed line. In the following description of the subject of the first ink cartridge 100a with Figure 21, also applies to the second ink cartridge 100b.
[0082]
　The main engaging portion 120 of the present embodiment, the distance WE of both outer end portions in the direction of arrow X of the sites at which the two visor portion 121 and 123 that are engaged with the lever portion 230, both ends of the circuit board 130 wider than the interval WT in there first with the direction of the arrow X of the contact portion CP of the second terminal 151 and 152. The first and the interval WT in the direction of arrow X of the contact portion CP of the second terminal 151 and 152, refers to the distance between the center lines of the respective contact portions CP. Thus, the main engaging portion 120 of the present embodiment, the width of the portion engaged with the engaged portion is sufficiently secured, engagement polymerizable is enhanced relative to the holder unit 200. Therefore, it is also enhanced connectivity of each terminal 151 to 156 of the circuit board 130.
[0083]
　In particular, the circuit board 130 is disposed on the lower side of the eaves portions 121 and 123 of the main engaging portion 120, the circuit board 130, the device-side terminal portion by the engagement between primary engagement portion 120 and the lever portion 230 It has a arrangement that held down towards the 250. Therefore, likely to be ensured a high connectivity to the apparatus terminal 250.
[0084]
　In addition, in the present embodiment, the short direction of the distance from the fifth wall portion 105 of the first to fifth wall portion 105 than the distance to the contact portions CP of the terminals 151 to the outer end of the first overhang 121 Trip distance from the sixth wall portion 106 from the second of the sixth wall portion 106 than the distance to the contact portions CP of the terminals 152 to the outer end of the second overhanging portion 123 is short. Therefore, the circuit board 130, by the engagement between the primary engagement portion 120 and the lever 230, will form across the width direction (direction of arrow X) are held down towards the device-side terminal section 250. Therefore, the circuit board 130 to the apparatus-side terminal section 250, is prevented from resulting in contact inclined in the direction of arrow X, higher connectivity is ensured.
[0085]
　In the present embodiment, notch part 122 is provided between the respective overhanging portions 121 and 123 of the primary engagement portion 120, the bridge portion 232 of the primary engagement portion 120 is the lever portion 230 at the center in the direction of arrow X and not in contact. Thereby, will abut against the bridge portion 232 of the lever 230 at a site other than the both ends of the primary engagement portions 120, primary engagement portion 120 is prevented from is inclined in the direction of arrow X-. Therefore, it the circuit board 130 comes into contact inclined to the apparatus terminal 250 are further suppressed.
[0086]
　In the present embodiment, with respect to the holder unit 200 first and second ink cartridges 100 a, in a state where 100b is attached, the center in the direction of arrow X of the primary engagement portion 120 of the arrow X of the lever portion 230 It is located in substantially the same position as the center in the direction. Also, when the fourth wall portion 104 viewed from the front, the arrangement direction of a portion overhanging portion 121 and 123 of the primary engagement portion 120 is engaged with the lever portion 230, the first in the circuit board 130 of the second the arrangement direction of the contact portions CP of the terminals 151 and 152 are identical. This arrangement, generation of the force of bias applied to the contact portion CP of the first and second terminals 151 and 152 by the engagement between the primary engagement portion 120 and the lever portion 230 is suppressed.
[0087]
　Figure 22 is a schematic view for explaining the engagement mechanism to the main engaging portion 120 by the lever portion 230. Figure 22 shows a state in which the lever portion 230 of the main engaging portion 120 and the holder portion 200 of the first ink cartridge 100a are engaged with each other is shown schematically by a side view. In the following description of the subject of the first ink cartridge 100a using 22 also apply to the second ink cartridge 100b.
[0088]
　In the printing apparatus 10 of the present embodiment is provided at a position where the projecting portion 235 serving as the center of rotational movement of the lever portion 230 is closer to the lower end of the first ink cartridge 100a, the main engagement of the first ink cartridge 100a It is positioned below the engagement part 120 and the circuit board 130. Thus, the printing apparatus 10 of the present embodiment is configured to radius of rotational movement of the lever portion 230 becomes large as possible within the upper end from the lower end range CA of the first ink cartridge 100a.
[0089]
　Thus, the external force required to rotate moving the lever portion 230 is reduced (the principle of the lever). Therefore, when mounting the first ink cartridge 100 a, a first side wall 125 and second side wall portions 126 of the primary engagement portion 120 is an external force is reduced that is required when pushing the lever portion 230. Further, the user can reduce the force to be applied to the bridge portion 232 of the lever 230 during the removal of the first ink cartridge 100a. Therefore, the operability upon attachment and detachment of the first ink cartridge 100a is enhanced.
[0090]
　In addition, since the force that the lever portion 230 is applied from the biasing mechanism in the vicinity of the rotating shaft RX is to be increased in the engagement part, and miniaturization of the biasing mechanism, the primary engagement part 120 it is possible to improve the engagement compatibility between the lever portion 230. In addition, since the bridge portion 232 of the lever portion 230 is positioned near the upper end of the first ink cartridge 100a, the user upon removal of the first ink cartridge 100a to the bridging portion 232 of the lever 230 it can be easily accessed. Therefore, high operability is ensured.
[0091]
　In the printing apparatus 10 of the present embodiment, the area occupied by the areas EA occupied by the engaging mechanism is composed of a primary engagement portion 120 and the lever portion 230, the electrical connection mechanism of the circuit board 130 device-side terminal section 250 It is substantially overlapped in TA and height direction (direction of the arrow Z). More specifically, the area EA in which the engagement mechanism can occupy, area TA where electrical connection mechanism occupied are included. Thus, the printing apparatus 10 of the present embodiment, the first ink cartridge 100a and the engaging mechanism and electrical connection mechanism between the holder portion 200 is disposed are aggregated, high in the printer 10 space efficiency is ensured.
[0092]
　Meanwhile, in order to obtain the effect based on the principle of leverage as described above in the lever 230, in order to ensure a rotation radius of the lever portion 230, reducing the range of the area EA in which the engagement mechanism in the height direction occupies It is not easy. Therefore, when configuring by separating the above two areas EA, the TA in the height direction, it will be the range occupied by the engaging mechanism and the electrical connection mechanism is increased, resulting in reduced space efficiency there is a possibility. Incidentally, the "two regions EA, when configuring by separating the TA in the height direction", two areas EA, while having a site where TA overlap one another, including when it is separated in the height direction . Thus, the printing apparatus 10 of this embodiment, along with the operability is enhanced when wearability and detachment of the first ink cartridge 100 a, and space efficiency is enhanced in the apparatus.
[0093]
　Figure 23 is a schematic view for explaining the relationship between the connection of the engaged state and the ink supply opening 110 between the primary engagement portion 120 and the lever portion 230. In the upper part of FIG. 23 includes a main engaging portion 120 and the circuit board 130 when the fourth wall portion 104 arrow Y in plan view in the opposite direction is shown. The lower part of FIG. 23, a schematic view when viewed from above the first wall portion 101 in the direction of arrow Z is shown to correspond to the view of the upper stage. Ink following description that the supply port 110 as the target of the first ink cartridge 100a with FIG. 23 also applies to the first ink supply ports 110a of the second ink cartridge 100b.
[0094]
　In the first ink cartridge 100 a, a distance Da from the center OC of the ink supply port 110 of the plan view in the direction of arrow Z to the contact portion CP of the first terminal 151, Omogakari from the center OC of the ink supply port 110 shorter than the distance Db to the end of the fifth wall portion 105 side of the engaging portion 120. Similarly, from the center OC of the ink supply port 110 distance Dc to the contact portion CP of the second terminal 152, to the end of the sixth wall portion 106 side of the main engaging portion 120 from the center OC of the ink supply port 110 shorter than the distance Dd.
[0095]
　Thus, in the first ink cartridge 100a of the embodiment, the distance of the main engaging portion 120 from the center OC of the ink supply port 110 to the end of the portion engaged with the lever portion 230 of the holder portion 200 They are sufficiently separated. Therefore, the force acting on the first ink cartridge 100a by the engagement between the primary engagement portion 120 and the lever 230, the principle of the lever is increased sufficiently in the ink supply port 110. Therefore, the connection of the ink supply port 110 is increased.
[0096]
　In particular, the first ink cartridge 100a of the embodiment, as described above, the holder portion 200 by rotational movement of the fulcrum point of contact with the rear wall portion 203 of the upper portion and the holder portion 200 of the third wall portion 103 It is attached to the (19, 20). In this time of mounting, the external force applied to the first ink cartridge 100a when moving the fourth wall portion 104 downward, the principle of the lever, the direction of the force of pressing the ink supply port 110 to the ink receiving portion 211 It is increased as. Therefore, the connection of the ink supply port 110, is further enhanced.
[0097]
　In addition, in the first ink cartridge 100a of the embodiment, the center OC of the ink supply port 110, in the direction of arrow X, and the contact portion CP of the contact portion CP and a second terminal 152 of the first terminal 151 is located between the eaves portion 121 and 123 and between Omogakari if section 120 of the. Therefore, by the engagement between the primary engagement portion 120 and the lever portion 230, in a state where both of the connection of the first and second terminals 151 and 152 is secured, with respect to the ink receiving portion 211 the ink supply port 110 connection is also ensured. During mounting of the first ink cartridge 100a, positional variation of the ink supply port 110 due to the inclination with respect to the arrow X direction of the first ink cartridge 100a is reduced, connectivity is enhanced with respect to the ink receiving portion 211 of the ink supply port 110 It is.
[0098]
　As described above, the first and second ink cartridges 100a of the present embodiment, according to the 100 b, by having a primary engagement portion 120, the mounting property is enhanced with respect to the holder unit 200 of the printing apparatus 10 ing. Further, the first and second ink cartridges 100 a, operability upon attachment and detachment with respect to the holder portion 200 of 100b is enhanced. In addition, the first and second ink cartridges 100a in the printer 10, it is possible to enhance the space efficiency of the mechanism for the 100b mounting the.
[0099]
B. Second Embodiment:
　FIG. 24, the first to the second embodiment of the present invention and the second ink cartridge 100 aA, a schematic diagram for explaining the configuration of 100ba. Figure 24, the first and second ink cartridges 100 aA, the front view of the main engaging portion 120A provided in the 100bA is shown schematically. The first and second ink cartridges 100aA of the second embodiment, 100ba, except configuration of the primary engagement portions 120A are different, the first and second ink cartridges 100a of the first embodiment, 100 b substantially the same It has a configuration. The first and second ink cartridges 100a of the second embodiment, 100 b, the carriage 27 of the same holder portion 200 printing apparatus 10 via a (FIGS. 14 to 16) as described in the first embodiment (FIG. 2 ) it is detachably attached to.
[0100]
　The first and second ink cartridges 100 aA, the main engaging portion 120A which 100bA is provided with the second embodiment, has a single eaves portion 124 which extends continuously in the direction of arrow X there. Each ends of the upper surface of the overhanging portion 124, two protrusions 124t which is provided projecting upward. Primary engagement portion 120A is in contact with the lower surface of the bridge portion 232 of the lever 230 by the two protrusions 124t. By "contacting" herein is meant that the objects come into contact with each other so that pressure generated between them. The "contact" includes contact between the contact and the plane and the curved surface of the plane together. In addition to direct contact of the object with each other, also include indirect contact of interposing any medium in the middle of things together. Each convex portion 124t may be formed into a hemispherical shape, it may be formed as a rib having a substantially semicircular cross section and a substantially square cross-section.
[0101]
　Interval in the direction of arrow X of the two protrusions 124t is wider than the distance between the first and second terminals 151 and 152 of the circuit board 130. Each first circuit board 130 and the contact portion CP of the second terminal 151 and 152, in the direction of arrow X, is located between the two convex portions 124t. Even main engaging portion 120A of the second embodiment, similarly to the main engaging portion 120 of the first embodiment, it is possible to improve the connectivity of the circuit board 130 with respect to the apparatus-side terminal section 250 of the holder portion 200 . Further, the first and second ink cartridges 100 a, it is possible to enhance the wearability for the holder portion 200 of 100b. Thus, the first and second ink cartridges 100aA of the second embodiment, even 100ba, exhibits a first of the first embodiment second ink cartridges 100 a, the same effects as 100b.
[0102]
C. Third Embodiment:
　FIG. 25 is a schematic diagram showing a side of the ink cartridge 100B of a third embodiment of the present invention. Ink cartridge 100B of the third embodiment, except that the ink supply port 110 is provided on the third wall portion 103 instead of the first wall portion 101 is substantially the first ink cartridge 100a of the first embodiment It has the same configuration. Ink cartridge 100B of the third embodiment, the holder section 200 forming position of the ink receiving portion 211 is changed to the rear wall portion 203 the carriage 27 of the printer 10 via the (FIGS. 14 to 16) (Fig. 2) It is attached to. Even ink cartridge 100B of the third embodiment, since the Omogakari engagement part 120 and the circuit board 130 to the fourth wall portion 104 is provided as in the first ink cartridges 100a of the first embodiment, printing wearability with respect to the apparatus 10 is enhanced. Thus, even in the ink cartridge 100B of the third embodiment provides a first of the first embodiment second ink cartridges 100 a, the same effects as 100b.
[0103]
D. Fourth Embodiment:
　FIG. 26 is a schematic diagram showing a configuration of an ink cartridge 100C of the fourth embodiment of the present invention. The components common to components described in the first embodiment in FIG. 26 are denoted by the same reference numerals. Ink cartridge 100C of the fourth embodiment is removably attached holder described in the first embodiment 200 to the carriage 27 of the printer 10 via the (FIGS. 14 to 16) (Figure 2). Ink cartridge 100C of the fourth embodiment has the ink storage portion 300, an adapter unit 310, a. Ink container 300 is a liquid container having an ink chamber for containing ink therein. On the lower surface of the ink storage portion 300, the ink discharge port 301 to be connected to the ink supply port 110 of the adapter 310 is provided.
[0104]
　The adapter unit 310 is a outer container housed configured to be able to ink containing portion 300 from above the opening 312. The adapter unit 310, similarly to the first ink cartridge first wall portion 101 and the third wall portion 103 of the 100a and the fourth wall portion 104 and the fifth wall portion 105 of the first embodiment each of the sixth wall portion 106 and a wall portion having a Do configuration. The first ink cartridges 100a similar to the ink supply port 110 of the first embodiment is provided on the first wall portion 101 of the bottom surface of the adapter unit 310. The fourth wall portion 104 similar to the main engaging portion 120 and the circuit board 130 as described in the first embodiment are arranged.
[0105]
　Ink cartridge 100C of the fourth embodiment, by the ink accommodating portion 300 is attached to the holder portion 200 through an adapter unit 310, it is possible to supply ink to the printing apparatus 10. Even ink cartridge 100C of the fourth embodiment, since the main engaging portion 120 corresponding to the lever portion 230 of the holder portion 200 is provided in the adapter unit 310, mounted with respect to the printing apparatus 10 is enhanced . Thus, even in the ink cartridge 100C of the fourth embodiment provides the first of the first embodiment second ink cartridges 100 a, the same effects as 100b.
[0106]
E. Fifth Embodiment:
　FIG. 27 is a schematic diagram showing the configuration of the liquid supply unit 330 according to a fifth embodiment of the present invention. The components common to components described in the first embodiment in FIG. 27 are denoted by the same reference numerals. Liquid supply unit 330 of the fifth embodiment, the printing apparatus 10 (FIG. 1, FIG. 2) described in the first embodiment detachably mounted to supply ink to the carriage 27 of the printer 10. Liquid supply unit 330 of the fifth embodiment includes an adapter portion 310, an ink supply tube 331, an ink containing portion 332, a.
[0107]
　The adapter unit 310 is the same as the adapter 310 described in the fourth embodiment, the fourth wall portion 104 of the front is provided with Omogakari engagement part 120 and the circuit board 130, the first wall portion 101 of the bottom surface the ink supply port 110 is provided. Ink container 332 is a liquid container having an ink chamber for containing ink therein. An ink chamber in the ink containing portion 332 is connected to the ink supply port 110 of the adapter unit 310 via the ink supply tube 331. Be a liquid supply unit 330 of the fifth embodiment, the primary engagement portion 120, mounted with respect to the printing apparatus 10 is enhanced. Thus, even in the liquid supply unit 330 of the fifth embodiment provides the first of the first embodiment second ink cartridges 100 a, the same effects as 100b.
[0108]
F. Modification:
F1. Modification 1:
　first and second ink cartridges 100a in the first embodiment, the circuit board 130 of the 100 b, each of the contact portions CP of the plurality of terminals 151-159 are divided into two rows of upper and lower are arranged in parallel to the arrangement direction in the direction of arrow X-. In contrast, all of the contact portions CP of the terminals in the circuit board 130 151-159 may not be arranged in a predetermined arrangement direction. In the circuit board 130, at least the contact portion CP of the first and second terminals 151 and 152 need only be arranged in one predetermined array direction of the contact portion CP of the terminals 151-159. In this case, the predetermined arrangement direction, may not be parallel to the direction of arrow X, may be a direction inclined with respect to the direction of the arrow X-. In the first embodiment, each of the terminals 151-159 has the sequence structure similar arrangement structure of each of the contact portions CP. In contrast, the terminals 151-159 may not have a sequence configuration similar arrangement structure of each of the contact portions CP. For example, whereas between those respective contact portions CP is adjacent and has a sequence configuration that is linearly arranged, the terminals 151-159 are arranged with each other that adjacent offset vertically it may have a sequence configuration are. Each of the contact portions CP at substantially the center position of the terminals 151-159 in the first embodiment are provided. In contrast, each of the contact portions CP of the terminals 151-159 may be provided at different positions, such as a position near the position or corner closer to each side end portion in each of the terminals 151-159. The terminals 151-159 is not limited to a substantially rectangular shape, and may have various shapes.
[0109]
F2. Modification 2:
　In the first embodiment, in a state where the first and second ink cartridges 100a, 100b is attached to the holder portion 200, the center in the direction of arrow X of the primary engagement portion 120 Lever It disposed substantially in the same position as the center in the direction of arrow X of the part 230. In contrast, the center in the direction of arrow X of the primary engagement portion 120 may be located at a position offset from the center in the direction of arrow X of the lever portion 230. In the first embodiment described above, the first and second ink cartridges 100a against the holder portion 200, in a state where 100b is mounted, when viewed in the direction of the arrow Z-, the primary engagement portion 120 whole is positioned below the bridge portion 232 of the lever unit 230. In contrast, when viewed in the direction of the arrow Z-, some or all of the primary engagement portion 120 may be located at a position deviated from the lower side of the bridge portion 232 of the lever unit 230. Primary engagement portion 120, if it has first and wide enough width than the distance between the first and second terminals 151 and 152 in the arrangement direction of the second terminal 151 and 152, first against the holder portion 200 1 and the second of the cartridge 100a, the mounting of the 100b is increased.
[0110]
F3. Modification 3:
　In the first embodiment, primary engagement portion 120 is in contact at two visor portion 121 and 123 to the flat portion 236 of the bridge portion 232 of the lever unit 230. In the second embodiment, primary engagement portion 120A includes a flat plate portion 236 of the bridge portion 232 of the lever unit 230 in the two protrusions 124t are in contact. The main engaging portion of the liquid supply unit is not limited to the configuration of the primary engagement portions 120, 120A, may have other configurations. For example, the main engaging portion 120 of the first embodiment, to the notch portion 122 may be omitted, in the main engaging portion 120A of the second embodiment, further a plurality of protrusions 124t is disposed on the eaves portion 124 it may be. Primary engagement portion 120,120A is, both ends of the portion in contact with the engaged portion, the contact portion CP of the first and second terminals 151 and 152 in the arrangement direction of the first and second terminals 151 and 152 may have a wider than the gap width.
[0111]
F4. Modification 4:
　In the first embodiment, the first and second ink cartridges 100a, 100b is configured as an ink container having a substantially rectangular parallelepiped shape, and has six walls 101-106. In contrast, the first and second ink cartridges 100a, 100b may not have a substantially rectangular parallelepiped shape, it may not have all of the six walls 101-106. The first and second ink cartridges 100a, 100b, for example, when viewed in the direction of arrow X (when viewed laterally), may be configured as a hexahedron having a generally trapezoidal shape, and a side view it may be configured as a substantially circular plate body having a substantially elliptical shape when. The first and second ink cartridges 100 a, the walls 101-106 which constitute the outer shape of the 100b may not have a flat surface and a smooth surface may have irregularities. Further, it may not extend in a substantially flat, there may be a cut or tear. Each wall section 101 to 106 may be bent in a substantially curved shape. In addition, the walls 101-106 may have a flexible, bag-like member which ink is accommodated in a frame which is constituted by a frame may be a configuration that is held.
[0112]
F5. Modification 5:
　In the first embodiment, a front view of the fourth wall portion 104 (FIG. 7, FIG. 21) in the arrangement direction of the eaves portion 121 and 123 of the primary engagement portion 120, first the circuit board 130 and it is consistent with the array direction of the contact portion CP of the second terminal 151 and 152. In contrast, the arrangement direction of the eaves portion 121 and 123 of the primary engagement portion 120, even if not coincide with the first to the arrangement direction of the contact portion CP of the second terminal 151 and 152 in the circuit board 130 good.
[0113]
F6. Modification 6:
　In the first embodiment, the user is provided to the positive against the fourth wall portion 104 when primary engagement portion 120 and the circuit board 130 is mounted on the printing apparatus 10. In contrast, primary engagement portion 120 and the circuit board 130 may be provided at a site other than the fourth wall portion 104. Primary engagement portion 120 and the circuit board 130 may be provided in the third wall portion 103, for example.
[0114]
F7. Modification 7:
　In the first embodiment, the first and second ink cartridges 100a, 100b in the printing apparatus 10 via a holder 200 having the lever portion 230 of the engaged portion with respect to primary engagement portion 120 It is mounted. In contrast, the first and second ink cartridges 100a, 100b may be attached to the printing apparatus 10 through the holder portion having engaged portions of the structure different from that of the lever portion 230. For example, the first and second ink cartridges 100 a, the main engaging portion 120 of the 100b may be engaged with the engaged portion which does not have a rotation mechanism, provided on the inner wall surface of the holder portion arrows X of may be engaged with the stepped surface extending in a direction.
[0115]
F8. Modification 8:
　In the first embodiment, the first and second terminals 151 and 152, first and second ink cartridges 100a against the holder portion 200, are used to detect the mounting state of the 100b. In contrast, the first and second terminals 151 and 152, first and second ink cartridges 100 a, may be used for purposes other than detection of the mounting state of the 100b. For example, the first and second terminals 151 and 152 may be used as a power supply terminal and a ground terminal, may be used to communicate data signals. Further, in the above-described circuit board 130 of the first embodiment, the first terminal 153-159 other than the second terminal 151 and 152 may be omitted. Also in this case, the first and second terminals 151 and 152, first and second ink cartridges 100 a, may be used for purposes other than detection of the mounting state of the 100b.
[0116]
F9. Modification 9:
　In the first embodiment, the first and second ink cartridges 100a, 100b, relative to the holder unit 200, the locus of the rotational movement of the fulcrum upper portion of the third wall portion 103 It is mounted (19, 20). In contrast, the first and second ink cartridges 100a, 100b may not be configured to the upper end portion of the third wall portion 103 to be mounted with locus of rotational movement of the fulcrum. The first and second ink cartridges 100a, 100b may be attached to the holder portion 200 by a linear trajectory from the upper holder portion 200.
[0117]
F10. Modification 10:
　In the first embodiment, the first and second ink cartridges 100 a, when wearing a 100 b, the contact first side wall 125 and second side wall portions 126 of the primary engagement portion 120 on the lever portion 230 and, the lever portion 230 is moved forward ((c) column of FIG. 20). In contrast, the first side wall 125 and second side wall portions 126 of the primary engagement portion 120, first and second ink cartridges 100 a, when 100b mounting of, is configured not to contact the lever portion 230 and it may be. The first side wall 125 and second side wall portions 126 may be provided only to protect the terminal portion 131 of the circuit board 130. The first side wall 125 and second side wall portions 126 of the primary engagement portion 120, either one, or both may be omitted.
[0118]
F11. Modification 11:
　In the first embodiment, the main engaging portion extends to the rear side of the extending portion 113 is the main engaging portion 120 extending from the lid body constituting the second wall portion 102 120 and it forms a part of. In contrast, extended portion 113 may further be configured to overhang 121 and 123 of the main engaging portion 120 extends forwardly.
[0119]
F12. Modification 12:
　In the first embodiment, the first and second ink cartridges 100a, 100b is biased upward by a biasing mechanism 217 of the holder portion 200 when mounted in the holder portion 200. In contrast, the urging mechanism 217 of the holder portion 200 may be omitted, the first and second ink cartridges 100 a, even 100b is not biased upwardly when mounted on the holder portion 200 good.
[0120]
F13. Modification 13:
　In the first embodiment, the lever portion 230 of the holder 200 is biased by a biasing mechanism. In contrast, the lever 230 may not be energized, the biasing mechanism of the lever unit 230 may be omitted. The first and second ink cartridges 100a in this case, the lever portion 230 by operation of the user's fingertip may be rotationally moved at the time of 100b mounting of.
[0121]
F14. Modification 14:
　In the first embodiment, the first and second ink cartridges 100a, 100b is attached to the printing apparatus 10. In contrast, the first and second ink cartridges 100a to the printing apparatus 10, a single cartridge coalesce 100b may be mounted. The printer 10, an ink cartridge having a single ink chamber, such as the first ink cartridge 100a may be multiple attached. Further, the printer 10, an ink cartridge having a plurality of ink chambers, such as the second ink cartridge 100b may be plural mounted.
[0122]
F15. Modification 15:
　In each of the above embodiments and variations, as a liquid supply unit of the present invention, the first and second ink cartridges 100a to be mounted to the printing apparatus 10 comprising a liquid ejection mechanism for ejecting ink, such as 100b supply unit of the ink are described. In contrast, the liquid supply unit of the present invention may be configured as a unit other than the supply unit of the ink. The liquid supply unit of the invention, for example, may be attached to the high pressure washer for cleaning by spraying a liquid such as water to be cleaned and be constructed as a supply unit for water supply water.
[0123]
F16. Modification 16:
　first and second terminals 151 and 152 as described in the first embodiment, has the same function and the fifth and sixth terminals 155, 156. Accordingly, the first and second terminals 151 and 152 in each of the above embodiments and modifications, the first and second ink cartridges 100 a, and other components in 100b and the holder portion 200, the description of the relationship it is also possible to interpret by replacing the first and second terminals 151 and 152 to the fifth and sixth terminals 155, 156. That is, it is possible to fifth and sixth terminals 155 and 156 to interpret each read as corresponding to the second detection terminal having a first detection terminal and a second contact portion having a first contact portion. Even with such a substitution with any of the structures, it is possible to achieve the same effect as that described in the first embodiment.
[0124]
　The present invention, embodiments and examples described above, the present invention is not limited to modification, it may be implemented in various configurations without departing from the scope and spirit thereof. For example, embodiments corresponding to the technical features in each embodiment described in the Summary of the column of the invention, examples, technical features in the modified example, in order to solve some or all of the problems described above, or , in order to achieve some or all of the effects described above, as appropriate, it can be carried out and replacing, the combination. In addition, if the technical feature has not been described as essential to herein, as appropriate, it is possible that you want to delete.
[0125]
　The present application, the entire disclosure of which is incorporated by reference, was filed on December 18, 2013, Japanese Patent Application (Japanese Patent Application No. 2013-260964), Japanese patent application filed on December 26, 2013 ( Japanese Patent application No. 2013-270007), filed on December 27, 2013 the Japanese Patent application (Japanese Patent application No. 2013-272477), filed on January 30, 2014 the Japanese Patent application (Japanese Patent application No. 2014-15767) , filed on February 3, 2014 Japanese Patent application (Japanese Patent application No. 2014-18365), filed on February 19, 2014 the Japanese Patent application (Japanese Patent application No. 2014-29769), 2014 February 21 Japanese patent application filed on the date (Japanese Patent application No. 2014-31192), Japanese patent application filed on February 26, 2014 (Japanese Patent application No. 2014-34847), Japan, which was filed on February 28, 2014 country patent application (Japanese Patent application No. 2014-37928), filed on February 28, 2014 the Japanese Patent application (Japanese Patent application No. 2014-37929), Japanese patent application filed on March 7, 2014 (No. 2014-45198), Japanese patent application filed on March 20, 2014 (Japanese Patent application No. 2014-57360), Japanese patent application filed on March 25, 2014 (Japanese Patent application No. 2014-61295), 2014 Japanese patent application which was filed on March 25, year (Japanese Patent application No. 2014-61296), on June 9, filed on March 25, 2014 the Japanese Patent application (Japanese Patent application No. 2014-61297), and 2014 claims priority based on the filed Japanese Patent application (Japanese Patent application No. 2014-118344).
Description of the code
[0126]
10 ... printing apparatus
11 ... housing
12 ... paper supply ports
13 ... above ka baー
14 ... paper discharge port
16 ... operating portion
20 ... main body portion
21 ... imperial system unit
22 ... conveying unit
23 ... printing section
25 ... transported as have raー
27 ... ki ya riッji
28 ... gaイドRitz Hikaru
100a, 100b, 100aA, 100bA, 100B, 100C ... イnn ku gradesーSuites riッji
101 to 106 ... wall portion
102c ... lid
108,108a ~ 108c ...イnn ku chamber
110,110a ~ 110c ...イnn ku supply port
113 ... extended in section
114 ... protrusion
115 ... through hole
116 ... empty Genki flow path
groove 117 ...シHikaru member
118 ... groove
120,120A ... main engaging portion
121 ... first shelter section
122 ... cut owe portion
123 ... second shelter section
125 ... the first side wall portion
126 ... the second side wall section
127 ... end surface
130 ... circuit board
131 ... terminal portion
132 ... memory means
151 to 159 ... terminal
200 ...ホHikaru the interーportions
201 to 205 ... wall
210 ... gradesーSuites riッji accommodating chamber
211 to 214 ...イnn ku by the unit
215 ...シHikaru section
217 ... pay potential mechanism
221 ... the first one wall section
224 ... the first two wall portions
225 ... inclined portion
226 ... cut owe portion
227 ... fitting hole
230 ... Ritz- baーsection
231 ... leg
232 ... bridging section
235 ... protrusions
236 ... flat portion
237 ... end surface
250 ... device-side terminal portion
300 ...イnn ku accommodating section
301 ...イnn ku discharge port
310 ...アinter pu center have section
312 ... the opening
330 ...イnn ku supply yu niッSuites
331 ...イnn ku supply pipe
332 ...イnn ku accommodating chamber
CP ... contacts
The scope of the claims
[Claim 1]
　An electrode portion, and the engaged portion, a liquid supply unit attachable to a liquid ejecting apparatus having a,
　a plurality of contact portions which are arranged in one array direction so as to be electrically connected to the electrode portion ,
　and engageable with the engaging portion to the engaged portion such that said plurality of contact portions to restrict the movement away from the liquid jetting apparatus
　comprising a,
　plurality of contact portions are at both ends in the arrangement direction wherein the first contact portion located and a second contact portion,
　the engaging portion has a width greater than the distance between the second contact portion and the first contact portion in the array direction, the liquid supply unit.
[Claim 2]
　The liquid supply unit according to claim 1,
　wherein the engaging portion has a first abutting portion that can abut on the engaged portion and the second contact portion,
　said in the arrangement direction first 1 abutting section and the second distance between the contact portion is wider than a distance between the second contact portion and the first contact portion in the array direction, the liquid supply unit.
[Claim 3]
　A liquid supply unit according to claim 2,
　in the engaging portion, wherein the first said contact portion and second contact portion are arranged with a space in the array direction, the liquid supply unit.
[Claim 4]
　The liquid supply unit as claimed in any one of claims 1 to 3, further
　a first detection terminal and second detection terminal for the liquid jetting device detects the mounting of the liquid supply unit provided,
　the first detection terminal includes a first contact portion,
　said second detection terminal includes a second contact portion, the liquid supply unit.
[Claim 5]
　The liquid supply unit as claimed in claim 4,
　a storage device,
　includes a third contact portion that can be electrically connected to the liquid ejecting apparatus, in the array direction and said first detection terminal and said second detection terminal located between the storage device the data terminal capable of supplying data to,
　the liquid jetting apparatus comprises a fourth contact portion that can be electrically connected to the said the first detecting terminal in the arrangement direction a second located between the detection terminals, wherein the high-potential terminal capable of supplying a high potential to the storage device,
　and a fifth contact part capable electrically connected to the liquid ejecting apparatus, the first detection in the array direction located between the terminal second detection terminal, and a low potential terminal that can supply a low potential to said storage device
　comprises a liquid supply unit.
[6.]
　The liquid supply unit as claimed in any one of claims 1 to 5,
　a first wall,
　a second wall portion facing the first wall portion,
　said first wall portion and the second wall a third wall portion intersecting to the part,
　and intersecting the first wall portion and the second wall portion, and a fourth wall portion facing the third wall portion,
provided with a,
　and the engaging portion, with said first contact portion, the second contact portion, is positioned in the fourth wall portion,
　the engagement portion, the to-be engaged from the second wall portion toward the first wall portion engaging portion abuts,
　when viewed in plan the liquid supply unit in a direction toward the third wall portion from said fourth wall portion, and the second contact portion and the first contact portion, said engaging portion disposed between the first wall portion, the liquid supply unit.
[7.]
　The liquid supply unit according to claim 6,
　wherein the engagement portion, in a direction from said third wall to said fourth wall portion includes an extension portion extending from said second wall portion , liquid supply unit.
[8.]
　The liquid supply unit according to claim 6 or claim 7,
　and a fifth wall portion intersecting the said first wall portion and the second wall portion and the third wall portion and the fourth wall portion,
　crossing the first wall portion and the second wall portion and the third wall portion and the fourth wall portion, and a sixth wall portion that faces the fifth wall portion
　comprises a,
　the fourth wall portion when viewed in plan the liquid supply unit in a direction toward the third wall portion from,
　than the distance from the fifth wall portion to the first contact portion, the distance from the fifth wall portion to the engagement portion shorter,
　than the distance from the sixth wall portion to the second contact portion, the distance from the sixth wall portion to the engaging portion is short, the liquid supply unit.
[9.]
　The liquid supply unit according to claim 8,
　wherein the engagement portion in a direction toward the sixth wall portion from the fifth wall portion, a first portion, and the notch portion, a second portion, the order a,
　the engaging portion can be contact between the first portion and the second portion relative to said liquid ejecting apparatus, the liquid supply unit.
[10.]
　The liquid supply unit according to claim 8 or claim 9,
　wherein the engagement portion includes a first protrusion protruding in a direction toward the first wall portion from said second wall portion,
　said first first convex portion, the liquid supply unit in the course of mounting the liquid ejecting apparatus includes the pressable first pressing surface of the engaged portion in a direction away from the engaging portion of the liquid ejecting apparatus,
　the engaging portion is in the process of mounting the liquid supply unit to the liquid ejecting apparatus, the engaged portion in a direction away from the engaging portion by the first pressing surface presses the engaged portion after moving to the when the engaged portion is moved toward the engaging portion, wherein are configured to be engaged with the engaged portion, the liquid supply unit.
[11.]
　The liquid supply unit according to claim 10,
　wherein the engaging unit further comprises a second protrusion protruding in a direction toward the first wall portion from said second wall portion,
　the second convex parts, the liquid supply unit in the course of mounting the liquid ejecting apparatus includes the pressable second pressing surface of the engaged portion in a direction away from the engaging portion of the liquid ejecting apparatus,
　the engagement If unit after at least one of said second pressing surface and the first pressing surface has moved in a direction away said engaged portion from the engaging portion by pushing the engaged portion, wherein when the engaged portion is moved toward the engaging portion, said being configured to be engaged with the engaged portion,
　the liquid from the fourth wall portion in a direction toward the third wall portion when the supply unit in a plan view, wherein the first contact portion and second contact portion is located between the second convex portion and the first convex portion, the liquid supply unit.
[12.]
　The liquid supply unit according to any one of claims 11 claims 6,
　wherein the first wall portion has a liquid supply port capable of supplying the liquid to the liquid jetting apparatus,
　wherein the first wall portion from the plan view of the liquid supply unit in a direction toward the second wall portion,
　the distance from the center of said liquid supply port to said engaging portion, from the center of said liquid supply port to said first contact portion longer than the distance, the liquid supply unit.
[13.]
　The liquid supply unit according to claim 8,
　wherein the first wall portion has a liquid supply port capable of supplying the liquid to the liquid jetting apparatus,
　a direction toward the second wall portion from said first wall portion the liquid supply unit in a plan view, the distance from the center of said liquid supply port to said engaging portion is longer than the distance to the first contact portion from the center of the liquid feed port,
　the fifth wall in the direction from unit to the sixth wall portion, a center of said liquid supply opening is positioned between the second contact portion and the first contact portion, the liquid supply unit.
[14.]
　The liquid supply unit according to any one of claims 13 claims 6,
　and the third wall portion and the liquid ejecting apparatus is configured to be mounted by rotating the portions in contact with the fulcrum there, the liquid supply unit.