Claims:I/We Claim:
1. A paddy cutting apparatus (100), the apparatus (100) comprising:
a base (102) adapted to provide a support to components of the apparatus (100);
a pair of handles (104a-104b) attached to a top end of the base (102) of the apparatus (100), wherein each of the pair of handles (104a-104b) is held by a user to move the apparatus (100);
wheels (108a-108c) attached at a bottom end of the base (102);
a circular plate (120) affixed onto the base (102) of the apparatus (100), and is adapted to rotate at a first pre-defined speed by using a first motor (116), wherein a rotation of the circular plate (120) enables an angular rotation of a rod (122) affixed to the circular plate (120) by using a quick return mechanism to perform a reciprocating motion; and
a cutting blade (126) attached below at a first end of the rod (122), wherein the cutting blade (126) is rotated in a clockwise direction by using a second motor (124) to cut paddy crops.
2. The apparatus (100) as claimed in claim 1, wherein the wheels (108a-108c) are nylon wheels.
3. The apparatus (100) as claimed in claim 1, comprising a battery (112) disposed onto the base (102) of the apparatus (100), to supply a power of a pre-defined voltage to the first motor (116) and the second motor (124).
4. The apparatus (100) as claimed in claim 1, wherein the first motor (116) and the second motor (124) are Direct Current (DC) motors.
5. The apparatus (100) as claimed in claim 1, wherein a front wheel (108c) is configured to enable a movement of the apparatus (100) in a forward direction.
6. The apparatus (100) as claimed in claim 1, wherein the first pre-defined speed is 3000 rotations per minute (rpm).
7. A paddy cutting apparatus (100), the apparatus (100) comprising:
a base (102) adapted to provide a support to components of the apparatus (100);
a pair of handles (104a-104b) attached to a top end of the base (102) of the apparatus (100), wherein each of the pair of handles (104a-104b) is held by a user to move the apparatus (100);
wheels (108a-108c) attached at a bottom end of the base (102), wherein a front wheel (108c) is configured to enable a movement of the apparatus (100) in a forward direction;
a circular plate (120) affixed onto the base (102) of the apparatus (100), and is adapted to rotate at a first pre-defined speed by using a first motor (116), wherein a rotation of the circular plate (120) enables an angular rotation of a rod (122) affixed to the circular plate (120) by using a quick return mechanism to perform a reciprocating motion; and
a cutting blade (126) attached below at a first end of the rod (122), wherein the cutting blade (126) is rotated in a clockwise direction by using a second motor (124) to cut paddy crops.
8. The apparatus (100) as claimed in claim 7, wherein the wheels (108a-108c) are nylon wheels.
9. The apparatus (100) as claimed in claim 7, comprising a battery (112) disposed onto the base (102) of the apparatus (100), to supply a power of a pre-defined voltage to the first motor (116) and the second motor (124).
10. The apparatus (100) as claimed in claim 7, wherein the first motor (116) and the second motor (124) are Direct Current (DC) motors.

Date: 10th March 2022
Place: Noida
Nainsi Rastogi
Patent Agent (IN/PA-2372)
Agent for the Applicant
, Description:BACKGROUND
Field of Invention
[001] Embodiments of the present invention generally relate to an agricultural apparatus and particularly to a paddy cutting apparatus.
Description of Related Art
[002] Agriculture plays a vital role in Indian economy. Almost 70% population of India is engaged in the agriculture for an employment. Paddy is a primary and a major crop cultivated in the India. A large scale of farmers is involved in harvesting of the paddy that involves various activities such as, cutting, stacking, handling, threshing, cleaning and hauling. Traditionally, a paddy cutting has been done manually which requires a lot of man power. However, a high demand labor during peak periods adversely affects timeliness of operations, thereby reducing a crop yield. Moreover, the paddy cutting requires a lot of time by using hands. Further, skilled farmers are required to cut the paddy crops properly which in turn increases a labor cost.
[003] Further, various tools and machines such as, a curved saw, a rice crop harvester, a paddy cutter, and so forth have been developed to cut the paddy crops. However, the farmers are not satisfied with such tools and machines as the machines require a high power to operate. Also, the farmers are facing health issues like back pain due to heavy weight of the machines and can cause injuries during operation. Moreover, the existing machines are not affordable by every farmer as it has high investment and maintenance cost.
[004] There is thus a need for an improved and advanced paddy cutting apparatus that can cut the paddy crops in a more efficient manner.
SUMMARY
[005] Embodiments in accordance with the present invention provide a paddy cutting apparatus. The apparatus comprising: a base adapted to provide a support to components of the apparatus. The apparatus further comprising: a pair of handles attached to a top end of the base of the apparatus. Each of the pair of handles is held by a user to move the apparatus. The apparatus further comprising: wheels attached at a bottom end of the base. The apparatus further comprising: a circular plate affixed onto the base of the apparatus, and is adapted to rotate at a first pre-defined speed by using a first motor, wherein a rotation of the circular plate enables an angular rotation of a rod affixed to the circular plate by using a quick return mechanism to perform a reciprocating motion. The apparatus further comprising: a cutting blade attached below at a first end of the rod, wherein the cutting blade is rotated in a clockwise direction by using a second motor to cut paddy crops.
[006] Embodiments in accordance with the present invention further provide a paddy cutting apparatus. The apparatus comprising: a base adapted to provide a support to components of the apparatus. The apparatus further comprising: a pair of handles attached to a top end of the base of the apparatus. Each of the pair of handles is held by a user to move the apparatus. The apparatus further comprising: wheels attached at a bottom end of the base, wherein a front wheel of the wheels is configured to enable a movement of the apparatus in a forward direction. The apparatus further comprising: a circular plate affixed onto the base of the apparatus, and is adapted to rotate at a first pre-defined speed by using a first motor, wherein a rotation of the circular plate enables an angular rotation of a rod affixed to the circular plate by using a quick return mechanism to perform a reciprocating motion. The apparatus further comprising: a cutting blade attached below at a first end of the rod, wherein the cutting blade is rotated in a clockwise direction by using a second motor to cut paddy crops.
[007] Embodiments of the present invention may provide a number of advantages depending on its particular configuration. First, embodiments of the present application may provide a paddy cutting apparatus that may enable farmers to perform paddy cutting operations with less manual effort.
[008] Next, embodiments of the present application may provide a paddy cutting apparatus that is operated by a battery and affordable by every farmer.
[009] Next, embodiments of the present application may provide a paddy cutting apparatus that requires less investment cost and zero maintenance and operational cost.
[0010] Next, embodiments of the present application may provide a paddy cutting apparatus that is suitable for small scale farmers.
[0011] Next, embodiments of the present application may provide a paddy cutting apparatus that enables a farmer to operate things by standing at a back of the apparatus to avoid injuries.
[0012] These and other advantages will be apparent from the present application of the embodiments described herein.
[0013] The preceding is a simplified summary to provide an understanding of some embodiments of the present invention. This summary is neither an extensive nor exhaustive overview of the present invention and its various embodiments. The summary presents selected concepts of the embodiments of the present invention in a simplified form as an introduction to the more detailed description presented below. As will be appreciated, other embodiments of the present invention are possible utilizing, alone or in combination, one or more of the features set forth above or described in detail below.
BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The above and still further features and advantages of embodiments of the present invention will become apparent upon consideration of the following detailed description of embodiments thereof, especially when taken in conjunction with the accompanying drawings, and wherein:
[0015] FIG. 1 illustrates a schematic representation of a paddy cutting apparatus, according to an embodiment of the present invention; and
[0016] FIG. 2 depicts a flowchart of a method of operating the paddy cutting apparatus, according to an embodiment of the present invention.
[0017] The headings used herein are for organizational purposes only and are not meant to be used to limit the scope of the description or the claims. As used throughout this application, the word "may" is used in a permissive sense (i.e., meaning having the potential to), rather than the mandatory sense (i.e., meaning must). Similarly, the words “include”, “including”, and “includes” mean including but not limited to. To facilitate understanding, like reference numerals have been used, where possible, to designate like elements common to the figures. Optional portions of the figures may be illustrated using dashed or dotted lines, unless the context of usage indicates otherwise.
DETAILED DESCRIPTION
[0018] The following description includes the preferred best mode of one embodiment of the present invention. It will be clear from this description of the invention that the invention is not limited to these illustrated embodiments but that the invention also includes a variety of modifications and embodiments thereto. Therefore, the present description should be seen as illustrative and not limiting. While the invention is susceptible to various modifications and alternative constructions, it should be understood, that there is no intention to limit the invention to the specific form disclosed, but, on the contrary, the invention is to cover all modifications, alternative constructions, and equivalents falling within the spirit and scope of the invention as defined in the claims.
[0019] "In any embodiment described herein, the open-ended terms "comprising", "comprises”, and the like (which are synonymous with "including", "having” and "characterized by") may be replaced by the respective partially closed phrases "consisting essentially of", “consists essentially of", and the like or the respective closed phrases "consisting of", "consists of”, the like."
[0020] As used herein, the singular forms “a”, “an”, and “the” designate both the singular and the plural, unless expressly stated to designate the singular only.
[0021] FIG. 1 illustrates a schematic representation of a paddy cutting apparatus 100 (hereinafter referred to as the apparatus 100), according to an embodiment of the present invention. According to an embodiment of the present invention, the apparatus 100 may be a low-cost apparatus that may be designed to cut paddy crops. Further, in an embodiment of the present invention, the apparatus 100 may also be designed to reduce dependencies of farmers on labors for cutting the paddy crops. In an embodiment of the present invention, the apparatus 100 may also be designed to reduce manual work while reaping at low cost to enable the farmers to easily handle and afford the apparatus 100.
[0022] According to an embodiment of the present invention, the apparatus 100 may comprise a base 102 to provide a rigid support to components of the apparatus 100. The components may be, but not limited to, a pair of handles 104a-104b (hereinafter referred to as the handles 104), a handle grip 106, wheels 108a-108c, a wheel shaft 110, a battery 112, a switch board 114, a first motor 116, copper wires 118, a circular plate 120, a rod 122, a second motor 124, and a cutting blade 126.
[0023] In an embodiment of the present invention, the base 102 of the apparatus 100 may be made up of a material such as, but not limited to, a mild steel, an aluminum, an iron, and alike. In a preferred embodiment of the present invention, the base 102 may be made up of a wooden material. Embodiments of the present invention are intended to include or otherwise cover any type of the material of the base 102 including known, related art, and/or later developed technologies.
[0024] Further, in an embodiment of the present invention, the handles 104 may be removably attached to the base 102 of the apparatus 100. In another embodiment of the present invention, the handles 104 may be fixedly attached to the base 102 of the apparatus 100. Further, in an embodiment of the present invention, the handles 104 may be designed to be held by a user to move the apparatus 100. According to embodiments of the present invention, the user may be, but not limited to, a farmer, a land owner, a technician, and so forth. Embodiments of the present invention are intended to include or otherwise cover any type of the user for moving the apparatus 100. The handles 104 may be made up of a material such as, but not limited to, the aluminium, a hardened plastic, the wood, and alike. In a preferred embodiment of the present invention, the handles 104 may be made up of a steel material. Embodiments of the present invention are intended to include or otherwise cover any type of the material of the handles 104, including known, related art, and/or later developed technologies. Further, the handles 104 may be structured in a shape such as, but not limited to, U-shaped handles, C-shaped handles, Y-shaped handles, and alike. In a preferred embodiment of the present invention, the handles 104 may be structured in a rectangular shape. Embodiments of the present invention are intended to include or otherwise cover any shape of the handles 104, including known, related art, and/or later developed technologies.
[0025] In an embodiment of the present invention, the handle grip 106 may be attached to a top end of the corresponding handles 104. According to an embodiment of the present invention, the handle grip 106 of the corresponding handles 104 may be gripped by the user to move the apparatus 100. The handle grip 106 may be made up of a material such as, but not limited to, the aluminum, the hardened plastic, the wood, and alike. In a preferred embodiment of the present invention, the handle grip 106 may be made up of the steel material. Embodiments of the present invention are intended to include or otherwise cover any type of the material of the handle grip 106, including known, related art, and/or later developed technologies.
[0026] Further, in an embodiment of the present invention, the wheels 108a-108c may be fixedly attached at a bottom end of the base 102. In another embodiment of the present invention, the wheels 108a-108c may be removably attached at the bottom end of the base 102. In an embodiment of the present invention, the wheels 108a-108c may start rotating to generate a power when the user moves the apparatus 100 using the handles 104. The wheels 108a-108c may be, but not limited to, chrome wheels, forged wheels, and so forth. In a preferred embodiment of the present invention, the wheels 108a-108c may be nylon wheels. Embodiments of the present invention are intended to include or otherwise cover any type of the wheels 108a-108c, including known, related art, and/or later developed technologies.
[0027] In an exemplary embodiment of the present invention, rear wheels 108a-108b may be fixedly attached at ends of a wheel shaft 110. In another exemplary embodiment of the present invention, the rear wheels 108a-108b may be removably attached at the ends of the wheel shaft 110. In an embodiment of the present invention, the wheel shaft 110 may be connected to the base 102 through joints. The joints may be, but not limited to, a Constant Velocity (CV) joint, a cross and a roller joint, a pin joint, and so forth. Embodiments of the present invention are intended to include or otherwise cover any type of the joints, including known, related art, and/or later developed technologies. Further, in an exemplary embodiment of the present invention, a front wheel 108c may be a caster wheel that may enable a movement of the apparatus 100 in a forward direction.
[0028] Further, in an embodiment of the present invention, the battery 112 may be disposed onto the base 102 of the apparatus 100. The battery 112 may be configured to supply a power of a pre-defined voltage to the components such as, the first motor 116 and the second motor 124 of the apparatus 100. In an embodiment of the present invention, the battery 112 may be capable to supply the power to the components, when a power of the battery 112 is switched on by the user through the switch board 114. In a preferred embodiment of the present invention, the battery 112 may be a rechargeable battery. Embodiments of the present invention are intended to include or otherwise cover any type of the battery 112, including known, related art, and/or later developed technologies.
[0029] In an embodiment of the present invention, the switch board 114 may be used by the user to switch on or switch off the battery 112. The switch board 114 may comprise switches such as, but not limited to, a toggle switch, a touch switch, and alike that may be pressed by the user to switch on the power of the battery 112. Embodiments of the present invention are intended to include or otherwise cover any type of the switches including known, related art, and/or later developed technologies.
[0030] In an embodiment of the present invention, the first motor 116 may be connected to the battery 112 through the copper wires 118, to receive an electrical energy. The first motor 116 may be configured to convert the electrical energy received from the battery 112 into mechanical energy, in an embodiment of the present invention. The first motor 116 may be operated to enable a rotation of the circular plate 120 of the apparatus 100. The first motor 116 may be an electric motor such as, but not limited to, an Alternate Current (AC) brushless motor, and so forth. In a preferred embodiment of the present invention, the first motor 116 may be a Direct Current (DC) motor. Embodiments of the present invention are intended to include or otherwise cover any type of the first motor 116, including known, related art, and/or later developed technologies.
[0031] In an embodiment of the present invention, a counter Electromotive Force (EMF) of the first motor 116 may be proportional to a product of a total flux strength and an armature speed of the apparatus 100. The counter Electromotive force (EMF) of the first motor 116 may be calculated by using equation (1):
Eb = kb Φ n ------------- (1)
where Eb refers to the counter EMF, kb is a constant, Φ is the total flux and n is the armature speed.
[0032] Further, a voltage balance equation for the first motor 116 may be a below mentioned equation (2):
Vm = Eb + RmIa -------- (2)
where V is a motor input voltage, Rm is a motor resistance and Ia is an armature current.
[0033] Further, in an embodiment of the present invention, the circular plate 120 may be affixed onto the base 102 of the apparatus 100 through a fastening means. The fastening means may be, but not limited to, nuts, studs, screws, and so forth. Embodiments of the present invention are intended to include or otherwise cover any type of the fastening means, including known, related art, and/or later developed technologies.
[0034] In an embodiment of the present invention, the circular plate 120 may be rotated at a first pre-defined speed by using the first motor 116. In a preferred embodiment of the present invention, the first pre-defined speed may be 3000 rotations per minute (rpm). In an embodiment of the present invention, the circular plate 120 may be made up of a material such as, but not limited to, the aluminium, the plastic, and so forth. In a preferred embodiment of the present invention, the circular plate 120 may be made up of the steel material. Embodiments of the present invention are intended to include or otherwise cover any type of the material of the circular plate 120, including known, related art, and/or later developed technologies.
[0035] In an embodiment of the present invention, a rotation of the circular plate 120 may enable an angular rotation of the rod 122 affixed to the circular plate 120 in multiple directions by a quick return mechanism. In such embodiment of the present invention, the circular plate 120 may enable the angular rotation of the rod 122 at a second pre-defined speed to perform a reciprocating motion. In a preferred embodiment of the present invention, the second pre-defined speed may be in a range of 1000 rotations per minute (rpm) to 3000 rotations per minute (rpm).
[0036] In an embodiment of the present invention, the rod 122 may be made up of any material such as, but not limited to, the steel material, a metal material, and so forth. In a preferred embodiment of the present invention, the rod 122 may be made of the aluminium material. Embodiments of the present invention are intended to include or otherwise cover any material of the rod 122, including known, related art, and/or later developed technologies.
[0037] Further, in an embodiment of the present invention, the second motor 124 may also be connected to the battery 112 through the copper wires 118, to receive the electrical energy. The second motor 124 may be configured to convert the electrical energy received from the battery 112 into the mechanical energy, in an embodiment of the present invention. The second motor 124 may be operated to enable a rotation of the cutting blade 126 of the apparatus 100. The second motor 124 may be an electric motor such as, but not limited to, an Alternate Current (AC) brushless motor, and so forth. In a preferred embodiment of the present invention, the second motor 124 may be a Direct Current (DC) motor. Embodiments of the present invention are intended to include or otherwise cover any type of the second motor 124, including known, related art, and/or later developed technologies. In an embodiment of the present invention, an armature speed of the second motor 124 may be calculated by using a below mentioned equation (3):
n = Eb/kb Φ ----- (3)
where n is the armature speed, Eb refers to the counter EMF, kb is a constant, and Φ is the total flux.
[0038] Further, a motor input voltage of the second motor 124 may be calculated by using a below mentioned equation (4):
Vm = Eb + RmIa -------- (4)
where V is the motor input voltage, Rm is a motor resistance and Ia is an armature current.
[0039] Further, a speed equation (kn) of the second motor 124 may be a below mentioned equation (5):
kn = 1/kb ---- (5)
[0040] The cutting blade 126 may be fixedly attached below at a first end of the rod 122, in an embodiment of the present invention. In another embodiment of the present invention, the cutting blade 126 may be removably attached below at the first end of the rod 122. In an embodiment of the present invention, the cutting blade 126 may be rotated at a higher speed that may be sufficient to cut the paddy crops easily. In an embodiment of the present invention, the cutting blade 126 may be rotated in a clockwise direction by using the second motor 124 to cut the paddy crops. The cutting blade 126 may be of any type such as, but not limited to, a hole saw blade, a ring saw blade, and so forth. In a preferred embodiment of the present invention, the cutting blade 126 may be a circular saw blade. Embodiments of the present invention are intended to include or otherwise cover any type of the cutting blade 126, including known, related art, and/or later developed technologies.
[0041] Further, in an embodiment of the present invention, the apparatus 100 may comprise a shield (not shown) configured to collect the paddy crops cut by using the cutting blade 126 in a pre-defined pattern.
[0042] FIG. 2 depicts a flowchart of a method 200 of operating the apparatus 100, according to an embodiment of the present invention.
[0043] At step 202, the apparatus 100 may be held by the user through the handles 104 to move the apparatus 100 in the forward direction to generate the rotary motion in the wheels 108a-108c of the apparatus 100.
[0044] At step 204, the apparatus 100 may enable the user to switch on the power of the battery 112 through the switch board 114.
[0045] At step 206, the apparatus 100 may supply the electrical energy from the battery 112 to the first motor 116 to enable the angular rotation of the rod 122 to perform the reciprocating motion.
[0046] At step 208, the apparatus 100 may supply the electrical energy from the battery 112 to the second motor 124 to enable the rotation of the cutting blade 126 to cut the paddy crops.
[0047] While the invention has been described in connection with what is presently considered to be the most practical and various embodiments, it is to be understood that the invention is not to be limited to the disclosed embodiments, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
[0048] This written description uses examples to disclose the invention, including the best mode, and also to enable any person skilled in the art to practice the invention, including making and using any devices or systems and performing any incorporated methods. The patentable scope the invention is defined in the claims, and may include other examples that occur to those skilled in the art. Such other examples are intended to be within the scope of the claims if they have structural elements that do not differ from the literal language of the claims, or if they include equivalent structural elements within substantial differences from the literal languages of the claims.