Claims:WE CLAIM:
1. A parking brake assembly (100), said assembly (100) mounted on a frame above the chassis of a motor vehicle, said assembly (100) comprising:
• a ratchet bracket (70) fixedly mounted on said frame (not specifically shown), having a first set of teeth (70a) arcuately provided on an operative outer edge of said ratchet bracket (70);
• a pawl bracket (60) fitted on said ratchet bracket (70), provided with a mounting hole (60e) at the lower end of said pawl bracket (60);
• a brake cable (82) to be pivotally attached to the mounting hole (60e), configured to selectively enable the engagement and disengagement of the parking brake;
• a pawl (5) pivotally mounted to a pawl pivot (80c) provided on said pawl bracket (60);
• a parking brake lever (50) operatively attached to the ratchet bracket (70) so as to pivotally movable towards the operative fore and aft of the vehicle when operated;
• a pivot pin (80a) provided in said pivot (80) for pivotally mounting said pawl bracket (60) and said lever (50) to said ratchet bracket (70);
• a gripping handle (20) positioned in said prong (50g), configured to slide in the first oval slot (50d);
• a push rod (50b) provided within said lever (50), wherein a first end of said push rod (50h) is attached to said gripping handle (20) and a second end (50i) of said push rod (50b) abuts one end of the pawl (5); and
• a sliding pin (30) having a through hole, configured to receive said push rod (50b) therein proximity to the second end (50i);
said brake lever (50) configured to be angularly displaced from a first operative position in which the parking brakes are disengaged to a second operative position where said pawl bracket (60) with attached said brake lever is angularly displaced to engage the parking brakes and a third operative position where the parking brakes are engaged but said brake lever (50) is angularly displaced to align with the surface of the driver seat.
2. The parking brake assembly (100) as claimed in claim 1, wherein said pawl bracket (60) defined by a hand fan shaped element having a body section (60a) and a handle section (60b), integrally built to form said pawl bracket (60), said body section (60a) pivotally mounted to a pivot (80) provided on said ratchet bracket (70), said pawl bracket (60) having a recess (60d) and a second set of teeth (60c) arcuately provided on the operative outer edge of said body section (60a),
3. The parking brake assembly (100) as claimed in claim 1, wherein said parking brake lever (50) defined by a ‘T’ shaped body having a flange and a web, integrally built to form said parking brake lever (50), said flange shaped as a prong (50g) and said web is formed by two side plates (50a) joined together, said brake lever (50)
4. The parking brake assembly (100) as claimed in claim 1, wherein said parking brake lever (50) provided with a first oval slot (50d) configured in the prong (50g) and a second oval slot (50e) configured in said web oppositely to said flange of said brake lever (50).
5. The parking brake assembly (100) as claimed in claim 1, wherein an upper end (35a) and a lower end (35b) is configured on said brake lever (50), said upper end (35a) operatively positioned higher than said lower end (35b), said lower end (35b) pivotally mounted on to the pivot (80) provided on the ratchet bracket (70).
6. The parking brake assembly (100) as claimed in claim 1, wherein said sliding pin (30) slides in said second oval slot (50e) provided on said brake lever (50).
7. The parking brake assembly (100) as claimed in claim 1, wherein the second end (50i) of said push rod (50b) configured to angularly displace the pawl (5) around said pawl pivot (80c);
8. The parking brake assembly (100) as claimed in claim 1, said pawl (5) configured to engage with the first set of teeth (70a) of said ratchet bracket (70) under the restoring force of a torsion spring (65), said spring-loaded pawl (5) slides over the first set of teeth (70a) causing tension in the brake cable (82), said torsion spring (65) is positioned on said pawl bracket (60)
9. The parking brake assembly (100) as claimed in claim 1, wherein a return spring (40) provided and attached to said push rod (50b), said spring (40) configured to provide a restoring force to selectively bias said sliding pin (30) into an engagement position with said recess (60d) and the second set of teeth (60c) provided on said pawl bracket (60).
10. The parking brake assembly (100) as claimed in claim 1, wherein said torsion spring (65) is configured to deform and allow said pawl (5) to mesh over the first set of teeth (70a), thus provides a restoring force to bias said pawl (5) into engagement position with the first set of teeth (70a) of said ratchet bracket (70).
11. The parking brake assembly (100) as claimed in claim 1, wherein said sliding pin (30) moves with the motion of said push rod (50b) and configured to slide within said recess (60d), thus enabling the engagement of said brake lever (50) with said pawl bracket (60).
12. The parking brake assembly (100) as claimed in claim 1, wherein said brake lever (50) and said pawl bracket (60) are coaxially mounted to the pivot (80) configured on said ratchet bracket (70).
13. The parking brake assembly (100) as claimed in claim 1, wherein said brake lever (50) and said pawl bracket (60) are angularly displaced relative to said ratchet bracket (70).
14. The parking brake assembly (100) as claimed in claim 1, wherein the second set of teeth (60c) of said pawl bracket (60) configured to engage the sliding pin (30) when said brake lever (50) swivels selectively from the second operative position to the third operative position and from the second operative position to the first operative position, thus restrict the motion of said brake lever (50) to remain at the resting platform (90).
15. The parking brake assembly (100) as claimed in claim 1, wherein said gripping handle (20) slides in a rearward direction, thus pushes said push rod (50b) to disengage said pawl (5) from the first set of teeth (70a), and enabling the unlock of said parking brake.

Dated this 11th Day of JANUARY, 2022

MOHAN RAJKUMAR DEWAN, IN/PA-25
OF R. K. DEWAN & CO.
APPLICANT’S PATENT ATTORNEY. , Description:FIELD
The present disclosure relates to a braking assembly for a vehicle. More particularly it relates to a parking brake assembly of the vehicle.
DEFINITIONS
As used in the present disclosure, the following terms are generally intended to have the meaning as set forth below, except to the extent that the context in which they are used indicates otherwise.
LOCKED STATE: The term "locked state" hereinafter refers to a state of a vehicle in which the parking brake of the vehicle is in applied or in engaged condition and the vehicle position remains stationary or unchanged.
FIRST OPERATIVE POSITION: The term “first operative position" hereinafter refers to a state of a hand brake lever in which the brake lever lies resting on a horizontal platform along the chassis of the vehicle and the parking brakes remains in disengaged condition.
SECOND OPERATIVE POSITION: The term "second operative position" hereinafter refers to a state when the hand brake lever lies at some angle with respect to the horizontal plane. The angle can be taken as an extreme most position of the hand brake lever, which the hand brake lever can rotate for the engagement of the parking brakes of the vehicle.
THIRD OPERATIVE POSITION: The term "third operative position" hereinafter refers to a state of a hand brake lever in which the parking brake remains in an engagement condition, whereas the brake lever rotates from the upright position to rest on the horizontal platform along the chassis of the vehicle.
HAND FAN: The term "hand fan" hereinafter refers to a structure or an element resembling a hand fan having a handle and a body to swing, which is being operated manually.
BACKGROUND
The background information herein below relates to the present disclosure but is not necessarily prior art.
As people’s life quality increases gradually, people’s requirements in vehicle’s performances also increases. These performances not only includes traditional performances such as dynamic, economy and safety performance, but also includes many other performance elements, such as interior dashboard fashion, and cabin space utilization. When comes to a braking system, a parking brake system is an essential component to keep vehicle stationary for a longer period. But the use of conventional parking brake system limiting the ergonomics of the cabin space.
Generally in most of the vehicle, the hand brake is located at vehicle console between the seats of a driver and co-driver. In the conventional parking brake, if one need to operate the hand brake while in parking, the hand brake lever abnormally protrudes out from the level of seat in the open space of a cabin area of the vehicle. And thereby, results in reduction of the free space availability for the driver or the co-driver in the cabin areas, especially when the driver or co-driver takes rest inside the cabin area while loading or unloading the goods on the vehicle. Also, due to the abnormally protruding of the hand brake lever in the cabin areas, it produces discomfort for the driver as well as co-passengers while sleeping or taking rest.
Further, the abnormal protruding of the hand brake lever creates obstacle for the driver as well as the co-driver while moving from one side to another inside the cabin area.
Therefore, there exists a need for a collapsible type parking braking system in a vehicle, which obviates the aforementioned drawbacks.
OBJECTS
Some of the objects of the present disclosure, which at least one embodiment herein satisfies, are as follows:
An object of the present disclosure is to provide a parking brake assembly.
Another object of the present disclosure is to provide a parking brake assembly which offers compact arrangement.
Yet another object of the present disclosure is to provide a parking brake assembly which is convenient to operate.
Still another object of the present disclosure is to provide a parking brake assembly which promotes proper space availability inside a vehicle cabin.
Yet another object of the present disclosure is to provide a parking brake assembly which provides comfort to a driver or co-passenger while resting inside the vehicle cabin.
Other objects and advantages of the present disclosure will be more apparent from the following description, which is not intended to limit the scope of the present disclosure.
SUMMARY
The present disclosure envisages a parking brake assembly. The parking brake assembly is mounted on a frame above the chassis of a motor vehicle. The assembly comprising a ratchet bracket, a pawl bracket, a brake lever, a gripping handle, and a push rod. The ratchet bracket is fixedly mounted on the frame. The ratchet bracket is having a first set of teeth arcuately provided on an operative outer edge. The pawl bracket defined by a hand fan shaped element pawl bracket, having a body section and a handle section, integrally built to form the pawl bracket. The body section is pivotally mounted to a pivot provided on the ratchet bracket. The body section is having a recess and a second set of teeth arcuately provided on the operative outer edge of the body section. A mounting hole is provided on a lower end of the handle to attach a brake cable. The brake cable is pivotally attached to the mounting hole, configured to selectively enable the engagement and disengagement of the parking brake of the vehicle.
A pawl is pivotally mounted to a pawl pivot provided on the pawl bracket. The pawl is configured to engage with the first set of teeth, provide on the ratchet bracket under the restoring force of a torsion spring wherein the torsion spring is positioned on the pawl bracket. The spring-loaded pawl slides over the first set of teeth causing the tension in the brake cable.
Further, the parking brake lever is defined by a ‘T’ shaped geometry having a flange and a web, integrally built to form the parking brake lever. The flange is shaped as a prong having two arms and the web is formed by joining two side plates spaced apart. The brake lever is having an upper end and a lower end. The upper end is positioned higher than the lower end. The brake lever is operatively attached to the ratchet bracket so as to pivotally movable towards the operatively fore and aft of the vehicle when operated. A first oval slot is configured in the prong of the upper end and a second oval slot is configured in the web, oppositely to the flange of the upper end.
A pivot pin is provided in the pivot. The pivot pin pivotally mounts the pawl bracket and the brake lever to the ratchet bracket. The brake lever and the pawl bracket are angularly displaced relative to the ratchet bracket. The gripping handle is positioned in the prong, configured to slide in the first oval slot along the length of the brake lever.
The push rod is provided within the brake lever. A first end of the push rod is attached to the gripping handle and a second end of the push rod abuts at one end of the pawl, configured to angularly displace the pawl around the pawl pivot. A sliding pin is provided, having a through hole, configured to receive the push rod therein proximity to the second end. The sliding pin moves with the motion of the push rod and configured to engage within the recess. Thereby, it enables the engagement of the brake lever with the pawl bracket.
Further, the brake lever is configured to be angularly displaced from a first operative position in which the parking brakes are disengaged to a second operative position where the pawl bracket with attached brake lever is angularly displaced to engage the parking brakes and a third operative position where the parking brakes are engaged but the brake lever is angularly displaced to align with the surface of the driver or cabin seats. The sliding pin slides in the second oval slot provided on the brake lever.
A return spring is provided and attached to the push rod to restrain the position of the link rod. The spring is configured to provide a restoring force to selectively bias the sliding pin into an engagement position with the recess and the second set of teeth provided on the outer edge of the pawl bracket.
Further, the torsion spring is configured to deform and allow the pawl to mesh over the first set of teeth. Thereby, it provides a restoring force to bias the pawl into engagement position with the first set of teeth of the ratchet bracket.
In a preferred embodiment, the brake lever and the pawl bracket are coaxially mounted to the pivot of the ratchet bracket.
The second set of teeth is configured to engage the sliding pin when the brake lever swivels selectively from the second operative position to the third operative position and from the second operative position to the first operative position. Thereby, it restricts the motion of the brake lever to remain at the resting platform.
Advantageously, the lowering of the brake lever to the third operative position during locked and engaged state of the parking brake provides comparatively more free space availability inside the vehicle cabin. Also, it provides comfort to the driver as well as the co-driver while resting inside the vehicle cabin when the vehicle is parked.
Further, the gripping handle move in rearward direction thereby pushes the push rod to disengage the pawl from the first set of teeth, and thus it enables the unlocking of the parking brake.
BRIEF DESCRIPTION OF THE ACCOMPANYING DRAWING
The parking brake assembly of the present disclosure will now be described with the help of the accompanying drawing, in which:
Figures 1 shows a schematic view of a hand operated parking brake assembly in a first operative position as per an embodiment of the present disclosure;
Figure 2 shows a schematic view of a hand operated parking brake system in a first operative position or at unlocked state of the parking brake as per an embodiment of the present disclosure;
Figure 3 shows a sectional schematic view of an engagement of a pawl with an outer edge of a ratchet bracket in a second operative position or at locked state of of the parking brake;
Figure 4 shows a position of the brake lever of the parking brake assembly in a second operative position or at locked state as per an embodiment of the present disclosure;
Figure 5 shows a position of the brake lever of the parking brake assembly in a third operative position while the parking brake of the vehicle is maintained at locked or engaged state as per an embodiment of the present disclosure;
Figure 6 shows the schematic view of a ratchet bracket of the parking brake assembly as per an embodiment of the present disclosure.
Figure 7 shows schematic view of a parking brake lever of the parking brake assembly as per an embodiment of the present disclosure;
Figure 8a and Figure 8b shows the schematic view of a pawl bracket and the pawl of the parking brake assembly as per an embodiment of the present disclosure; and
LIST OF REFERENCE NUMERALS
100 - Parking brake assembly
5 - Pawl
20 - Gripping handle
30 - Sliding pin
35a - Upper end of parking brake lever
35b - Lower end of parking brake lever
40 - Return spring
50 - Parking Brake lever
50a - Side plate of Brake lever
50b - Push rod
50c - Lock pin
50d - First oval slot
50e - Second oval slot
50f - Hook to attach spring
50g - Prong
50h - First end of push rod
50i - Second end of push rod
60 - Pawl bracket
60a - Body section of pawl bracket
60b - Handle section of pawl bracket
60c - Second set of teeth on pawl bracket
60d - Recess
60e - Mounting hole
65 - Torsion spring
70 - Ratchet bracket
70a - First set of teeth
80 - Pivot
80a - Pivot pin
80b - Hole to mount torsion spring
80c - Pawl pivot
82 - Brake cable
90 - Resting platform

DETAILED DESCRIPTION
Embodiments, of the present disclosure, will now be described with reference to the accompanying drawing.
Embodiments are provided so as to thoroughly and fully convey the scope of the present disclosure to the person skilled in the art. Numerous details are set forth, relating to specific components, and methods, to provide a complete understanding of embodiments of the present disclosure. It will be apparent to the person skilled in the art that the details provided in the embodiments should not be construed to limit the scope of the present disclosure. In some embodiments, well-known processes, well-known apparatus structures, and well-known techniques are not described in detail.
The terminology used, in the present disclosure, is only for the purpose of explaining a particular embodiment and such terminology shall not be considered to limit the scope of the present disclosure. As used in the present disclosure, the forms “a”, “an”, and “the” may be intended to include the plural forms as well, unless the context clearly suggests otherwise. The terms “comprises”, “comprising”, “including”, and “having”, are open ended transitional phrases and therefore specify the presence of stated features, integers, steps, operations, elements, modules, units and/or components, but do not forbid the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. The particular order of steps disclosed in the method and process of the present disclosure is not to be construed as necessarily requiring their performance as described or illustrated. It is also to be understood that additional or alternative steps may be employed.
When an element is referred to as being “mounted on”, “engaged to”, “connected to”, or “coupled to” another element, it may be directly on, engaged, connected or coupled to the other element. As used herein, the term “and/or” includes any and all combinations of one or more of the associated listed elements.
The terms first, second, third, etc., should not be construed to limit the scope of the present disclosure as the aforementioned terms may be only used to distinguish one element, component, region or section from another component, region, or section. Terms such as first, second, third etc., when used herein do not imply a specific sequence or order unless clearly suggested by the present disclosure.
Terms such as “inner”, “outer”, “beneath”, “below”, “lower”, “above”, “upper”, and the like, may be used in the present disclosure to describe relationships between different elements as depicted from the figures.
Generally, In most of the commercial vehicle, the hand brake lever or the parking brake lever is located at the vehicle console between the seats of a driver and co-driver. In the conventional parking brake, if one needs to operate the hand brake while in parking, the hand brake lever abnormally protrudes out from the normal level of seat in the open space of a cabin area of the vehicle. Thereby, it results in reduction of the free space availability for the driver or the co-driver in the cabin areas, especially when the driver or the co-driver takes rest inside the cabin areas during loading or unloading the goods on the vehicle. Also, due to the abnormally protruding of the hand brake lever in the cabin areas, it produces discomfort for the driver as well as co-passengers while sleeping or taking rest.
Further, the abnormal protruding of the hand brake lever creates obstacle for the driver as well as the co-driver while moving or crossing from one side to another inside the cabin areas.
The present disclosure envisages a parking brake assembly 100 mounted on a frame (not specifically shown) above the chassis of a motor vehicle as shown in Figure 1. An embodiment of the present invention will now be described with reference to the Figure 1 and Figure 2. The parking brake assembly 100 comprising a ratchet bracket 70 fixedly mounted on the frame. The ratchet bracket 70 is having a first set of teeth 70a arcuately provided on an operative outer edge. The schematic view of the ratchet bracket 70 is shown in Figure 6.
A pawl bracket 60 is provided attached to a pivot 80 of the ratchet bracket 70. The pawl bracket 60 is defined by a hand fan shaped element pawl bracket, characterized by a body section 60a and a handle section 60b, integrally built to form the geometry of the pawl bracket 60. Precisely, the body section 60a is pivotally mounted to the pivot 80 provided on the ratchet bracket 70. The body section 60a is having a recess 60d and a second set of teeth 60c arcuately provided on the operative outer edge of the body section 60b. A mounting hole 60e is provided on an lower end of the handle section 60b, configured to attach a brake cable 82. The brake cable 82 is pivotally attached to the mounting hole 60e, configured to selectively enable the engagement and disengagement of the parking brake of the vehicle. The schematic view of the pawl bracket 60 is shown in Figure 8A and the pawl bracket 60 attached with the brake cable 82 are shown in Figure 2 and Figure 4.
A pawl 5 is pivotally mounted to a pawl pivot 80c provided on the pawl bracket 60 as shown in figure 3 and figure 8B. One end of the pawl 5 is provided with a pair of teeth. The pawl 5 end having the teeth is configured to engage with the first set of teeth 70a, provide on the ratchet bracket 70 under the restoring force of a torsion spring 65 wherein the torsion spring 65 is positioned on the pawl bracket 60. The spring-loaded pawl 5 slides and move over the periphery of the first set of teeth 70a and form a positive lock, causing the tension in the brake cable 82 while parking brake is at locked or engaged state.
Further, a parking brake lever 50 is provided to actuate or selectively activate and deactivate the parking brake of the vehicle. The brake lever 50 is operatively attached to the ratchet bracket 70 so as to pivotally movable towards the operatively fore and aft of the vehicle when operated. The brake lever 50 is defined by a ‘T’ shaped geometry having a flange and a web, integrally built to form the parking brake lever 50. The flange is shaped as a prong 50g having two arms and the web is formed by joining two side plates 50a spaced apart. The brake lever 50 is having an upper end 35a and a lower end 35b, wherein the upper end 35a is positioned higher than the lower end 35b. A first oval slot 50d is configured in the prong 50g of the upper end 35a and a second oval slot 50e is configured in the web, oppositely to the flange of the upper end 35a. The schematic views of the parking brake lever 50 are shown in Figure 7A and Figure 7B.
A pivot pin 80a is provided in the pivot 80. The pivot pin 80a is configured to pivotally mount the pawl bracket 60 and the brake lever 50 to the ratchet bracket 70. The brake lever 50 and the pawl bracket 60 are angularly displaced relative to the ratchet bracket 70. A gripping handle 20 is positioned at the two arms of the prong 50g, configured to slide forward and rearward in the first oval slot 50d along the length of the brake lever 50.
Further, a push rod 50b is provided within the parking brake lever 50 as shown in figure 7A. A first end 50h of the push rod is attached to the gripping handle 20 and a second end 50i of the push rod abut at one end of the pawl 5, configured to angularly displace the pawl 5 around the pawl pivot 80c. A sliding pin 30 is provided, having a through hole, configured to receive the push rod 50b therein. The motion of the sliding pin 30 is restricted near to the proximity of the second end 50i by means of a lock pin 50c, attached to the push rod 50b. The sliding pin 30 moves with the motion of the push rod 50b and configured to engage within the recess 60d. Thereby, it enables the engagement of the brake lever 50 with the pawl bracket 60.
A return spring 40 is provided and attached to the push rod 50b to restrain the position of the push rod 50b. The return spring 40 is configured to provide a restoring force to selectively bias the sliding pin 30 into an engagement position with the recess 60d and the second set of teeth 60c provided on the outer edge of the pawl bracket 60.
In an embodiment, the brake lever 50 is configured to swivel from a first operative position to a second operative position or an upright position around the pivot 80. The first operative position is defined when the brake lever 50 lies in a horizontal plane parallel to the base of the vehicle as shown in figure 2, whereas the second operative position or the upright position is when the brake lever 50 is inclined at an acute angle with respect to the horizontal plane and the parking brakes are in engaged condition or at locked state as shown in figure 4.
The swivel of the brake lever 50 from the first operative position to the second operative position or the upright position leads to a lateral movement of the mounting hole 60e provided at the lower end of the pawl bracket 60. Therefore, when the brake lever 50 swivels, it selectively stretch and relax the brake cable 82 attached to the pawl bracket 60. Thus, the parking brake 50 selectively achieves the locked state or engaged state and the unlocked state or disengaged state while parking of the vehicle.
In an embodiment, the lifting of the brake lever 50 with engaged pawl bracket 60 from the first operative position to the second operative position, rotates the pawl 5 around the periphery of the first set of teeth 70a provided on the ratchet bracket 70, as shown in Figure 3 and Figure 4. The angular displacement of the pawl 5 is bias by the torsion spring 65. The torsion spring 65 is configured to deform and allow the pawl 5 to mesh over the first set of teeth 70a and thus provides a restoring force to bias the pawl 5 into engagement position with the first set of teeth 70a. Thereby, the pawl 5 makes a positive locking with the first set of teeth 70a under the restoring force of the torsion spring 65 and thereby, the parking brake gets activate and achieve a locked state or engaged state.
Further, the lowering of the brake lever 50 from the second operative position to a third operative position, wherein the third operative position is a state of a hand brake lever in which the parking brake remains in an engagement condition, whereas the brake lever rotates from the upright position to rest on the horizontal platform along the chassis of the vehicle is achieved by sliding the gripping handle 20 in the first oval slot 50d in an operative forward direction, as shown in Figure 5. The forward movement of the gripping handle 20 results in disengagement of the sliding pin 30 from the recess 60d of the pawl bracket 60 which in-turn disengages the brake lever 50 from the pawl bracket 60. Thus, the brake lever 50 swivels freely around the pivot 80 from the second operative position to the third operative position to rest on a resting platform 90, without the attachment of the pawl bracket 60.
Thereby, the proposed configuration enable the upper surface of the parking brake lever to remain in-line and parallel with the surface of the seats of the driver and the co-driver with no protruding part above the seat surface. It also helpsthe driver or the co-driver to lay down the mattress over the seats while the vehicle remains parked in the locked state or engaged state, compared to the conventional parking brake lever where the lever protrudes out in the open space above the surface of the seats during locked state and produces discomfort to the driver.
Advantageously, the lowering of the brake lever 50 to the third operative position during the engaged position of the parking brake provides comparatively more free space availability inside the vehicle cabin. Also, it provide comforts to the driver as well as the co-driver while resting inside the cabin, since no protruding component above the level of the seat surface. In a preferred embodiment, the sliding pin 30 slides in the second oval slot 50e provided with the brake lever 50.
Further, the second set of teeth 60c is configured to engage the sliding pin 30 during the swiveling of the brake lever 50 from the second operative position to the third operative position. Thereby, it restricts the motion of the brake lever 50 to remain at the third operative position while the parking brake is maintained at the locked or at the engaged state.
In another embodiment, to unlock or disengage the parking brake of the vehicle, the gripping handle 20 slide rearward or inward in the first oval slot 50d. The push rod 50b is attached with the gripping handle 20 pushes one end of the pawl 5 to angularly displace the pawl 5 around the pawl pivot 80c, so as to disengage the pawl 5 from the periphery of the first set of teeth 70a. Thus, it enables the swiveling of the brake lever 50 with the attached pawl bracket 60 from the upright position or the second operative position to the first operative position, to thereby, the parking brake achieve the unlock or disengaged state and the parking brake gets de-activated.
In a preferred embodiment, the brake lever 50 and the pawl bracket 60 are coaxially mounted on the pivot 80 of the ratchet bracket 70.
The foregoing description of the embodiments has been provided for purposes of illustration and not intended to limit the scope of the present disclosure. Individual components of a particular embodiment are generally not limited to that particular embodiment, but, are interchangeable. Such variations are not to be regarded as a departure from the present disclosure, and all such modifications are considered to be within the scope of the present disclosure.
TECHNICAL ADVANCES AND ECONOMICAL SIGNIFICANCE
The present disclosure described herein above has several technical advantages including, but not limited to, the realization of provide a parking brake assembly, that:
o enable the upper surface of the parking brake lever to remains parallel and in-line with the seats of the driver or co-driver with no protruding part above the level of the seat surface;
o enables the driver or the co-driver to lay down the mattress over the seats inside the cabin areas;
o provides comforts to the driver as well as the co-driver, since no protruding component above the seat surface;
o offers comparatively more free space availability inside the cabin areas;
o is convenient to operate; and
o provides a compact assembly.
The foregoing description of the specific embodiments so fully reveals the general nature of the embodiments herein that others can, by applying current knowledge, readily modify and/or adapt for various applications such specific embodiments without departing from the generic concept, and, therefore, such adaptations and modifications should and are intended to be comprehended within the meaning and range of equivalents of the disclosed embodiments. It is to be understood that the phraseology or terminology employed herein is for the purpose of description and not of limitation. Therefore, while the embodiments herein have been described in terms of preferred embodiments, those skilled in the art will recognize that the embodiments herein can be practiced with modification within the spirit and scope of the embodiments as described herein.
Throughout this specification the word “comprise”, or variations such as “comprises” or “comprising”, will be understood to imply the inclusion of a stated element, integer or step, or group of elements, integers or steps, but not the exclusion of any other element, integer or step, or group of elements, integers or steps.
Any discussion of documents, acts, materials, devices, articles or the like that has been included in this specification is solely for the purpose of providing a context for the disclosure. It is not to be taken as an admission that any or all of these matters form a part of the prior art base or were common general knowledge in the field relevant to the disclosure as it existed anywhere before the priority date of this application.
While considerable emphasis has been placed herein on the components and component parts of the preferred embodiments, it will be appreciated that many embodiments can be made and that many changes can be made in the preferred embodiments without departing from the principles of the disclosure. These and other changes in the preferred embodiment as well as other embodiments of the disclosure will be apparent to those skilled in the art from the disclosure herein, whereby it is to be distinctly understood that the foregoing descriptive matter is to be interpreted merely as illustrative of the disclosure and not as a limitation.