Description:TECHNICAL FIELD
[0001]
The present subject matter relates generally to a brake assembly, more particularly relates to the brake assembly for a vehicle.
BACKGROUND
[0002] Typically, in a motor vehicle, a braking system is provided. The braking system is provided to cut-off vehicle speed, further rider safety also dependent on 5 the types of braking system provided onto the motor vehicles. Generally, in the motor vehicles two types of systems can be provided for the braking such as one system for front wheel (s) and one for rear wheel (s). In two wheeled vehicles, one brake actuator is provided onto a handlebar of the two wheeled vehicle and other at the bottom portion near a rider footrest which is attached with a frame of the two 10 wheeled vehicles.
[0003]
In the two wheeled vehicles, a lever mechanism is provided for actuation of braking force. The lever mechanism is connected to a master cylinder which is also fitted onto the handlebar of the two wheeled vehicles. The master cylinder further has a single open-coiled compression spring for brake return, due to this the 15 rider force to the lever tends to increase perpetually hence lever has a limited flux to actuate at ineffective stroke or free-play.
[0004]
Due to this problem of poor efficiency of transmission in brake system may occur with less (brake force, brake torque or deceleration). Further, there are chances of brakes becoming sluggish or causing delay in brake response. This 20 problem also increases rider’s fatigue during frequent brake application.
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[0005]
OEMs and manufacturers always have a big challenge to address all the issues by reducing the stiffness of brake return spring as it will end up with other problems as other side effects due to insufficient brake return load or poor brake returnability. Such side effects can be lack of response or poor delay in brake release, very difficult to recover wheel from lock-up or skidding - Road safety 5 issues, unnecessary drag on vehicle / wheel for cruise or acceleration, poor fuel-economy, brake liner/disc or drum poor life due to excess wear or scoring.
[0006]
Therefore, there is an essential requirement for a solution that addresses the above-mentioned problems with a current brake assembly.
SUMMARY 10
[0007]
Aspects of the present invention pertain to a brake assembly, the brake assembly may have a lever, the lever may be configured to connect via a connecting assembly with a master cylinder assembly. In embodiment, the connecting assembly may be configured to have a plurality of components. In an embodiment connecting assembly may be configured to maintain a zero stiffness of self-15 returnability of the lever.
[0008]
Another aspect of the present invention, the plurality of components may have a connecting member. The connecting member may be configured to connect a mounting portion of the lever with a mounting portion of the master cylinder assembly via one or more attachment means. A structural member, the structural 20 member may be configured to accommodate the connecting member.
[0009]
Another aspect of the present invention is that the connecting member may have a pushing member, a head member. In an embodiment, the pushing member
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and the head member may be configured to have a valley portion between each
other. In an embodiment, the valley portion and the head member may be configured to have one or more hollow portion.
[00010]
Another aspect of the present invention, the structural member may have a first portion, a second portion and a third portion. The third portion may be 5 configured to connect the first portion to the second portion. In an embodiment, the first portion and the second portion may be configured to have one or more apertures.
[00011]
Another aspect of the present invention, the one or more apertures of the structural member may be configured to have a first set of apertures and a second 10 set of apertures.
[00012]
Another aspect of the present invention, the first set of apertures and the second set of apertures may be configured to accommodate at least one pin. In an embodiment the at least one pin may have a first pin and a second pin.
[00013]
Another aspect of the present invention, the first pin may be configured to 15 accommodate a first end of a first actuator.
[00014]
Another aspect of the present invention, the master cylinder assembly may be configured to have a hole. The hole may be configured to accommodate a third pin.
[00015]
Another aspect of the present invention, the third pin may be configured 20 to have a hollow portion. The hollow portion may be configured to accommodate a clip.
5
[00016]
Another aspect of the present invention, the third pin may be configured to hold a second end of the first actuator.
BRIEF DESCRIPTION OF THE DRAWINGS
[00017]
The accompanying drawings, which are incorporated in and constitute a 5 part of this disclosure, illustrate exemplary embodiments and, together with the description, serve to explain the disclosed principles. The detailed description of the present subject matter is described with reference to the accompanying figures. Same numbers are used throughout the drawings to reference features and components. 10
[00018]
Fig. 1 illustrates a front view of a brake assembly, in an accordance with an embodiment of the present invention.
[00019]
Fig. 2 illustrates a cut section view of the brake assembly, in an accordance with an embodiment of the present invention.
[00020]
Fig. 3 illustrates a cut section view of a connecting assembly and a lever, 15 in an accordance with an embodiment of the present invention.
[00021]
Fig. 4 illustrates a cut section view of the brake assembly, in an accordance with an embodiment of the present invention.
[00022]
Fig. 5 illustrates an exploded view of the brake assembly having the connecting assembly, in an accordance with an embodiment of the present 20 invention.
[00023]
Fig. 6 illustrates a perspective view of a structural member, in an accordance with an embodiment of the present invention.
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[00024]
Fig. 7 illustrates a perspective view of a connecting member, in an accordance with an embodiment of the present invention.
DETAILED DESCRIPTION
[00025]
Exemplary embodiments are described with reference to the 5 accompanying drawings. Wherever convenient, the same reference numbers are used throughout the drawings to refer to the same or like parts. While examples and features of disclosed principles are described herein, modifications, adaptations, and other implementations are possible without departing from the spirit and scope of the disclosed embodiments. It is intended that the following 10 detailed description be considered as exemplary only, with the true scope and spirit is indicated by the following claims.
[00026]
The embodiments of the present invention will now be described in detail with reference to a wheel along with the accompanying drawings. However, the present invention is not limited to the present embodiments. The present subject 15 matter is further described with reference to accompanying figures. It should be noted that the description and figures merely illustrate principles of the present subject matter. Various arrangements may be devised that, although not explicitly described or shown herein, encompass the principles of the present subject matter. Moreover, all statements herein reciting principles, aspects, and examples of the 20 present subject matter, as well as specific examples thereof, are intended to encompass equivalents thereof.
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[00027]
It is an object of the present invention to provide at least one actuator that is arranged to enable the actuator to return biased.
[00028]
Another object of the present invention is to provide at least one actuator which is always on return biased with constant force or zero stiffness.
[00029]
Referring to figure 1, a brake assembly 100 is provided. the brake 5 assembly 100 is having a lever 102. The lever 102 is provided to actuate braking in a vehicle. In an embodiment, the vehicles can be a two- wheeled, three- wheeled, four wheeled or multi- wheeled. In the present embodiment, the vehicle is a two- wheeled vehicle. Further, the lever 102 is a hand lever for the two wheeled vehicle but not limited to the hand lever. A user tends to insert an input force on the lever 10 102 to actuate the braking. The brake assembly 100 has a master cylinder assembly 110. The master cylinder assembly 110 is connected to the lever 102 via a connecting assembly 222 (now shown in figure 1). The master cylinder assembly 110 and the lever 102 are connected onto a handlebar (not shown) of the two wheeled vehicle. Further, a changer 104 is provided in the brake assembly 100. 15 The changer 104 is provided to change a lever operating position as per the user’s physical parameters. The brake assembly 100 is provided with a cover member 108. The cover member 108 is provided to cover the connecting assembly 222, further the cover member 108 can be a part of the master cylinder assembly 110. In a working example, the lever 102 is pressed/ actuated by the user, which further 20 activates the connecting assembly 222 and then the master cylinder assembly 110 is activated to complete the braking of the vehicle.
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[00030]
Referring to Figure 2 and figure 5, a cut-section view and an exploded view of the brake assembly 100 is provided. The master cylinder assembly 110 is configured to have a second actuator 210. The second actuator 210 is configured to return the lever 102 to a normal resting portion. In an embodiment, the second actuator 210 can be a motor, an elastic member and a like. Further, a piston 107 is 5 provided to the master cylinder assembly 110, the piston 107 is configured to provide a braking force by oil flow inside the master cylinder assembly 110. Further, the connecting assembly 222 is configured to have a plurality of components (106, 202, 214, 218, 212, 206, 204, 216, 208). The plurality of components (106, 202, 214, 218, 212, 206, 204, 216, 208) is configured to have a 10 connecting member 106, a structural member 202, a first actuator 206, one or more attachment means 212, 218, at least one pin 204, 214, 208, a clip 216. In an embodiment of the present invention, the plurality of components (106, 202, 214, 218, 212, 206, 204, 216, 208) is configured to detachably connect the lever 102 via a mounting portion 224 of the lever 102 to the master cylinder 110 via a mounting 15 provision of the master cylinder 110.
[00031]
Referring to figure 3 and figure 4 in conjunction with figure 5, the brake master assembly 100 is provided with the assembly of the connecting assembly 222 with the lever 102 and the master cylinder 110. The connecting member 106 is provided with a plurality of portions 106a, 106b, 106e (shown in figure 7). The 20 plurality of portions 106a, 106b, 106e is having a pushing member 106a, a head member 106e and a valley member 106b. In an embodiment, the pushing member 106a, the head member 106e and the valley member 106e are configured to
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integrate with each other to form the pushing
member 106. Furthermore, the head portion 106e is configured to have one or more hollow portions 106d, 106c, in embodiment the one or more hollow portions 106d, 106c is configured to have a first hollow portion 106d and a second hollow portion 106c. Further, the first hollow portion 106d and the second hollow portion 106c is provided along the 5 height of an each of the plurality of members 106a, 106b, 106e. In an embodiment, the head portion 106e is connected to the master cylinder assembly 110. Further, the pushing member 106a is provided to actuate the piston 107 of the master cylinder 110. In an embodiment, the valley portion 106b is configured to accommodate the structural member 202. 10
[00032]
The structural member 202 (shown in figure 6) is accommodated onto the valley member 106b of the connecting member 106. The structural member 202 is configured to have a first portion 202d, a second portion 202c and a third portion 202e. The first portion 202d, the second portion 202c and the third portion 202e are configured to integrate each other to form the structural member 202. In an 15 embodiment, the first portion 202d of the structural member 202 and the third portion 202e of the structural member 202 have a U- shape, but not limited to U- shaped. Further, the first portion 202d of the structural member 202 and the third portion 202e of the structural member 202 is configured to have one or more apertures 202a, 202b, 202f, 202g. The one or more apertures 202a, 202b, 202f, 20 202g is configured to have a first set of apertures 202a, 202b provided onto the first portion 202d and a second set of apertures 202g, 202f is provided onto the third portion 202e. in an embodiment, the first portion 202d and the third portion 202e
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are configured to be placed parallel to each other
. Further, the second portion 202c is configured to become a bridge between the first portion 202d and the third portion 202e. Further, the first set of apertures 202a, 202g is configured to accommodate a first pin 204 and the second set of apertures 202b, 202f is configured to accommodate a second pin 214. Furthermore, the second set of 5 apertures 202b, 202f is configured to place at the mounting portion 106c of the valley member 106b of the connecting member 106. The first pin 214 is accommodated to the second set of apertures 202b, 202f and the mounting portion 106c of the valley member 106b. Further, the second pin 204 is configured to accommodate in the first set of apertures 202a, 202g. Further, the one or more 10 attachment means 212, 218 is configured to accommodate at the first mounting portion 106d of the connecting member 106 to connect the lever 102 with the master cylinder assembly 110.
[00033]
In figure 3 and figure 4 the first pin 204 is configured to accommodate a first end 206a of a first actuator 206. In an embodiment, the first actuator 206 can 15 be an elastic member, a torsion spring, a motor, and the like. Further, a third pin 208 is provided in the brake assembly 100. The third pin 208 is configured to accommodate in a hole 110a inside the master cylinder assembly 110. In an embodiment of the present invention, the third pin 208 is configured to have a hollow portion 208a. The hollow portion 208a of the third pin 208 is configured to 20 accommodate a clip 216. The clip 216 is configured to provide the rigid support to the third pin 208 to maintain the balanced position of the first actuator 206. Furthermore, the third pin 208 is configured to accommodate a second end 206b
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of the first actuator 206.
In a working example, the first pin 204 and the third pin 208 is configured to accommodate the first actuator 206 to provide a compensator for the second actuator 210 and substantially compensates any change in load of the second actuator 210 to maintain constant force or zero stiffness of self- returnability, both the first actuator 206 and the second actuator 210 are 5 compensator to each other to substantially balance any change in their loads by each other. Further, the first actuator 206 and the second actuator 210 operably connected to the lever 102 to articulate in angular direction with respect to the direction of its load to substantially compensate any change in load of the any of the first actuator 206 and the second actuator 210 acting on the lever 102 during an 10 entire range of operation. Furthermore, the first actuator 206 and the second actuator 210 is configured to expand by its both ends until the first actuator 206 and the second actuator 210 influence the lever 102 to return and contracted by its both ends until it influences the lever 102 to move forward.
[00034]
The claimed invention provides a tangible and specific implementation 15 involving a plurality of components, a master cylinder assembly and a lever. These components work together in a tangible manner to enable the operation of controlling the braking system of the vehicle.
[00035]
The present invention provides the brake assembly by which the load which is provided by the user at the time of actuation of brake will be reduced to 20 almost nil. Further, the constant force will be applied by the user from the start of braking till the end. This also provides the benefit of using of lesser amount of energy by the user to increase the braking in the vehicle. Further, the performance
12
of braking and durability of the vehicle will increase, the assembly provides the
benefit of increasing comfort for the user as well.
[00036]
The terms “an embodiment”, “embodiment”, “embodiments”, “the embodiment”, “the embodiments”, “one or more embodiments”, “some embodiments”, and “one embodiment” mean “one or more (but not all) 5 embodiments of the invention(s)” unless expressly specified otherwise. The terms “including”, “comprising”, “having” and variations thereof mean “including but not limited to”, unless expressly specified otherwise. The terms “a”, “an” and “the” mean “one or more”, unless expressly specified otherwise.
[00037]
Finally, the language used in the specification has been principally 10 selected for readability and instructional purposes, and it may not have been selected to delineate or circumscribe the inventive subject matter and is therefore intended that the scope of the invention be limited not by this detailed description, but rather by any claims that issue on an application based here on. Accordingly, the embodiments of the present invention are intended to be illustrative, but not 15 limiting, of the scope of the invention, which is set forth in the following claims.
[00038]
While various aspects and embodiments have been disclosed herein, other aspects and embodiments will be apparent to those skilled in the art. The various aspects and embodiments disclosed herein are for purposes of illustration and are not intended to be limiting, with the true scope as indicated by the following claims. 20
[00039]
A person with ordinary skills in the art will appreciate that the assembly, have been illustrated and explained to serve as examples and should not be considered limiting in any manner. It will be further appreciated that the variants
13
of the above disclosed system elements, modules, and other features and functions,
or alternatives thereof, may be combined to create other different systems or applications.
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10
15
20
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REFERENCE NUMERIALS
100- Brake assembly
102- Lever
104- Changer
106- Connecting member 5
106a- Pushing member
106b- Valley member
106e- Head member
106e, 106c- mounting portion
107- Piston 10
108- Cover member
110- Master cylinder assembly
110a- Hole
202- Structural member
202a, 202g- First set of apertures 15
202b, 202f- second set of apertures
202d- First portion
15
202c- Second portion
202e- Third portion
204- First pin
206- First actuator
208- Third pin 5
208a- Hollow portion
210- Second actuator
212- One or more attachment means
214- First pin
216- Clip 10
222- Connecting assembly
220, 224- Mounting portions , Claims:We claim:
1.
A brake assembly (100), the brake assembly (100) comprising:
a lever (102), the lever (102) being configured to connect via a connecting assembly (222) with a master cylinder assembly (110);
wherein, 5
the connecting assembly (222) being configured to have a plurality of components (106, 202, 214, 218, 212, 206, 204, 216, 208),
wherein,
the connecting assembly (222) being 10 configured to maintain a zero stiffness of self-returnability of the lever (102).
2.
The brake assembly (100) as claimed in claim 1, wherein the plurality of components (106, 202, 214, 212, 218, 206, 204, 216, 208) comprising:
a connecting member (106), the connecting member (106) being 15 configured to connect a mounting portion (224) of the lever (102) with a mounting portion (220) of the master cylinder assembly (110) via one or more attachment means (212, 218);
a structural member (202), the structural member (202) being configured to accommodate on the connecting member (106). 20
3.
The brake assembly (100) as claimed in claim 2, wherein the connecting member (106) comprising:
17
a pushing member (106a);
a head member (106e);
wherein,
the pushing member (106a) and the head member (106e) being configured to have a valley portion (106b) 5 between each other.
wherein,
the valley portion (106b) and the head member (106e) being configured to have one or more hollow portion (106c, 106d). 10
4.
The brake assembly (100) as claimed in claim 2, wherein the structural member (202) comprising:
a first portion (202d);
a second portion (202c); and
a third portion (202e); the third portion (202e) being configured to 15 connect the first portion (202d) to the second portion (202c);
wherein,
the first portion (202d) and the second portion (202c) being configured to have one or more aperture (202a, 202g, 202b, 202f).
5.
The brake assembly (100) as claimed in claim 4, wherein the one or more 20 apertures (202a, 202g, 202b, 202f) of the structural member (202) being
18
configured to have a first set of apertures (202a, 202
b) and a second set of apertures (202g, 202f).
6.
The brake assembly (100) as claimed in claim 5, wherein the first set ofapertures (202a, 202b) and the second set of apertures (202g, 202f) beingconfigured to accommodate at least one pin (204, 214), wherein the at least5 one pin (204, 214) comprising a first pin (204) and a second pin (214).
7.
The brake assembly (100) as claimed in claim 6, wherein the first pin (204)being configured to accommodate a first end (206a) of a first actuator (206).
8.
The brake assembly (100) as claimed in claimed in claim 1, where themaster cylinder assembly (110) being configured to have a hole (110a), the10 hole (110a) being configured to accommodate a third pin (208).
9.
The brake assembly (100) as claimed in claim 8, wherein the third pin (208)being configured to have a hollow portion (208a), the hollow portion (208a)being configured to accommodate a clip (216).
10.
The brake assembly (100) as claimed in claim 8, wherein the third pin (208)15 being configured to hold a second end (206b) of the first actuator (206).