Description:
PARKING BRAKE ASSEMBLY FOR VEHICLE

TECHNICAL FIELD
[0001] The present disclosure pertains to the automotive industry, specifically focusing on the design and integration of a parking brake assembly for two-wheeled vehicles.
BACKGROUND
[0002] Parking brakes, historically seen as an integral feature in automobiles, are pivotal in ensuring the stability of a stationary vehicle, especially when parked on inclined terrains. Their primary function is to prevent inadvertent movement of a vehicle, providing peace of mind to the rider. However, their application in two-wheelers, such as motorcycles and scooters, has been largely limited, primarily due to inherent design and stability concerns of these vehicles.
[0003] Two-wheelers, by nature, are vehicles that rely on momentum and balance for stability while in motion. In a stationary state, the wheelers require additional support to remain upright. The support is typically provided by auxiliary components like side stands or center stands. The fundamental architecture of two-wheelers, where the weight is distributed across two linearly aligned points of contact, ensures that they do not typically roll back or forward on level grounds. However, the structural design does not inherently prevent the possibility of the two-wheeler from rolling back on inclined surfaces or toppling due to external influences, such as a push or gust of wind. The danger of such unintended movements poses a real safety concern, especially in areas with hilly terrains or crowded parking spots.
[0004] To address these challenges, there have been attempts to introduce parking brakes into two-wheelers. In these systems, the service brakes, which are crucial for stopping the vehicle during regular operations, are engaged in a locked position, providing the resistance needed to prevent the vehicle from rolling.
[0005] However, such approaches have not gained widespread acceptance for multiple reasons. One of the primary concerns with utilizing the service brakes as parking brakes is the potential impact on the reliability of the braking system. The service brake system in any vehicle is of paramount importance, responsible for ensuring safety during rides. Any constant engagement or additional strain on the system, especially when the vehicle is not in use, could result in faster wear and tear. Over time, the wear and tear could compromise the efficiency and reliability of the brakes, potentially leading to hazardous situations when the vehicle is in motion.
[0006] Furthermore, the constant engagement and disengagement process of these makeshift parking brakes is manual. The manual operation introduces another layer of complexity for the rider. To be efficient, a parking brake needs to be instinctive and seamlessly integrated into the operation of the vehicle. Requiring the rider to remember to engage and disengage a parking mechanism every time they park or start their journey can lead to inconsistencies in usage, especially in emergency or hurried situations.
[0007] Additionally, limited availability of physical space within two-wheelers makes the integration of additional components a design challenge. There is also the need to ensure that the introduction of a parking brake doesn't interfere with the natural ergonomics and operation of the vehicle.
[0008] In light of these challenges, there has been a pressing need for a solution, one that addresses the stability concerns of two-wheelers in a parked state, without compromising the integrity and reliability of their primary brake systems. An ideal solution would not only ensure the safety of parked vehicles but also offer a user-friendly interface, negating the need for manual intervention and offering a more streamlined and intuitive rider experience.
SUMMARY
[0009] The aim of the present disclosure is to provide a parking brake assembly for a vehicle to ensure the stability of the vehicle, especially when parked on inclined terrains. The aim of the disclosure is achieved by a parking brake assembly for the vehicle, wherein the parking brake assembly prevents inadvertent movement of the vehicle in a parked state.
[0010] In an embodiment, a parking brake assembly for a vehicle, comprising: a pinion associated with a gearbox assembly; a toothed sector gear transforms between: an engagement mode to engage the toothed sector gear with the pinion to disable movement of the vehicle; and a disengagement mode to disengage the toothed sector gear with the pinion to enable movement of the vehicle; an actuator assembly; and a side stand transforms between: an engage position to activate the actuator assembly to transform the toothed sector gear into the engagement mode; and an un-engage position to de-activate the activated actuator assembly to transform the toothed sector gear into the disengagement mode.
[0011] In an embodiment, the actuator assembly comprises a compression spring, wherein the compression spring changes from an uncompressed state to a compressed state to transform the toothed sector gear into the engagement mode in the side stand engage position, and wherein the compression spring transforms from the compressed state to an un-compressed state to transform the toothed sector gear into the disengagement mode in the side stand un-engage position.
[0012] In an embodiment, the actuator assembly comprises: a proximity sensor to detect a current position of the side stand; and a solenoid to transform the toothed sector gear into the engagement mode, if the detected current position is the engage position; and the disengagement mode, if the detected current position is the un-engage position.
[0013] In an embodiment, the actuator assembly comprises: a guide rod; and a steel cable connected to the side stand, such that when the side stand is in the engage position, the steel cable is pulled to transform the toothed sector gear into the engagement mode through the guide rod, and wherein the side stand in the un-engage position, the steel cable is relaxed from a pulled state to transform the toothed sector gear into the disengagement mode through the guide rod.
[0014] In an embodiment, the actuator assembly comprises: a primary gear coupled to the side stand such that when the side stand is transformed from the engaged position to the un-engaged position, the primary gear rotates in a primary direction, and when the side stand is transformed from the un-engaged position to the engaged position, the primary gear rotates in a secondary direction; a rack linearly actuated by the rotation of the primary gear; and a secondary gear interfacing with the rack, wherein the secondary gear transforms the toothed sector gear into the disengagement mode upon rotation of the primary gear in the primary direction, and wherein the secondary gear transforms the toothed sector gear into the engagement mode upon rotation of the primary gear in the secondary direction.
[0015] In another embodiment, the side stand is associated with a CAM shaped profile at an end, which interacts with a mounting bracket.
[0016] In yet another embodiment, the pinion is a driving gear of a gearbox enclosed within a housing of a swingarm assembly.
[0017] In another embodiment, the side stand is assembled with a frame of the vehicle through a chassis mount plate.
[0018] In an embodiment, the side stand is assembled with the chassis mount plate through a guide comprising a guide bush and a guide bush bracket.

BRIEF DESCRIPTION OF THE DRAWINGS
[0019] The summary above, as well as the following detailed description of illustrative embodiments, is better understood when read in conjunction with the appended drawings. For the purpose of illustrating the present disclosure, exemplary constructions of the disclosure are shown in the drawings. However, the present disclosure is not limited to specific methods and instrumentalities disclosed herein.
[0020] Embodiments of the present disclosure will now be described, by way of example only, with reference to the following diagrams.
[0021] FIG. 1 illustrates a parking brake assembly 100 for a vehicle, in accordance with an embodiment of the present disclosure;
[0022] FIG. 2, spanning from FIG. 2A to FIG. 2B, illustrate the transformation of the toothed sector gear in relation to the dynamic positioning of the side stand, in accordance with embodiments of the present disclosure, in accordance with embodiments of the present disclosure;
[0023] FIG. 3, detailed actuator assembly is portrayed, in accordance with embodiments of the present disclosure; and
[0024] FIG. 4 provides a visual representation of how the parking brake assembly integrates with the chassis of a two-wheeler, in accordance with embodiments of the present disclosure.

DETAILED DESCRIPTION OF EMBODIMENTS
[0025] The following detailed description illustrates embodiments of the present disclosure and ways in which they can be implemented. Although some modes of carrying out the present disclosure have been disclosed, those skilled in the art would recognize that other embodiments for carrying out or practicing the present disclosure are also possible.
[0026] FIG. 1 illustrates a parking brake assembly 100 for a vehicle, in accordance with an embodiment of the present disclosure. The parking brake assembly 100 provides a secure locking mechanism for the vehicle when stationary, especially on inclined terrains. The parking brake assembly 100 integrates a pinion 102 that is coupled with a gearbox assembly. The parking brake assembly 100 comprises a toothed sector gear 104, which is capable of alternating between two modes: an engagement mode and a disengagement mode.
[0027] In an embodiment, the pinion 102, typically made of a wear-resistant material, is positioned in association with the gearbox assembly, ensuring smooth transmission of mechanical force. The teeth of the pinion 102 can interlock with the toothed sector gear 104, enabling transformation between engagement mode and disengagement mode. When engaged, the toothed sector gear 104 engages with the pinion 102' to restrict the movement of the vehicle, thus acting as an effective parking brake. Conversely, during disengagement, the pinion 102 ensures unobstructed motion, facilitating the regular movement of the vehicle.
[0028] In an embodiment, the gearbox assembly of the power transmission system of the vehicle is designed to modulate the torque and speed of the engine before reaching the wheels. The gearbox assembly includes a series of gears, which can be manually or automatically shifted, allowing the vehicle to operate efficiently across a wide range of speeds and load conditions. The combination of gears within the gearbox assembly interact smoothly, ensuring the conversion of the high-speed rotational output of the engine into a slower, more powerful rotation suitable for the wheels. Furthermore, the gearbox assembly is encased in a housing, protecting the gears and associated components from external contaminants, and ensuring lubrication retention.
[0029] In an embodiment, the toothed sector gear 104 can provide mechanical advantages. The toothed sector gear 104, typically semi-circular or arc-shaped, features a series of teeth along the outer curved edge, which meshes with the teeth of the pinion 102 or another gear. The aforesaid design allows the toothed sector gear 104 to rotate about a limited degree, enabling precise control over rotational movement. When integrated into the parking brake assembly 100, the engagement or disengagement of the toothed sector gear 104 with the pinion 102 determines the active or inactive state of the brake. The construction of the toothed sector gear 104 ensures durability and consistent performance, while the tooth design improves meshing, minimizing wear and enhancing the lifespan of both the toothed sector gear 104 and the interacting components.
[0030] In the engagement mode, the toothed sector gear 104 establishes a secure connection with the pinion 102 through meshing of respective teeth. Such interaction locks the pinion 102 in place, preventing the pinion 102 from rotating and effectively halting any potential movement of the vehicle. On slopes or uneven surfaces, vehicles are susceptible to involuntary movements due to the gravitational forces acting upon them. Additionally, external influences, such as strong winds or inadvertent nudges, can also push the vehicle out of the stationary position. By leveraging the engagement between the toothed sector gear 104 and the pinion 102, the parking brake assembly 100 ensures that the vehicle remains steadfast and stable, eliminating the risks of unintended shifts.
[0031] In the disengagement mode, the toothed sector gear 104 retracts or shifts its position to achieve a separation from the pinion 102. Such separation ensures that the pinion 102 is no longer constrained and can rotate without any restrictions. By allowing the pinion 102 to move without obstruction, the vehicle regains its capability of rendering seamless motion, essential for initiating movement from a halted state. Such a feature is imperative for the rider, as it ensures a smooth transition from a stationary phase to a mobile one without any hitches or abruptness. Also, when the parking brake is not required, the toothed sector gear 104 doesn't hinder the natural movement of the vehicle, providing the rider with an optimized driving experience. By facilitating easy transitions between the stationary and motion states of the vehicle, the disengagement mode of the toothed sector gear 104 enhances operational efficiency, responsiveness, and overall user experience, ensuring that the motion of the vehicle is always synchronized with the intent of the rider.
[0032] In an embodiment, the parking brake assembly 100 integrates an actuator assembly 106 that provides a controlled mechanism to dictate the positioning of the toothed sector gear 104. The actuator assembly 106 is crucial for transitioning the toothed sector gear 104 between the engagement mode, where the toothed sector gear 104 meshes with the pinion 102, and the disengagement mode, wherein the toothed sector gear 104 distances itself from the pinion 102. The function of the actuator assembly 106 can exert a controlled force onto the toothed sector gear 104. Such controlled force facilitates meshing of the toothed sector gear 104 with or detaching from the pinion 102, thus ensuring that the parking brake assembly 100 operates smoothly and efficiently, aligning perfectly with the intentions of the rider.
[0033] In a further embodiment, the parking brake assembly 100 includes a side stand 108, which can communicate directly with the actuator assembly 106. When the rider positions the side stand 108 to the "engage" stance, the side stand 108 automatically instigates the operations of the actuator assembly 106. As a consequence of the side stand 108 movement from un-engage position to engage position, the actuator assembly 106 ensures that the toothed sector gear 104 adopts the engagement mode which effectively results in immobilizing the vehicle.
[0034] In an embodiment, retraction of the side stand 108 to the "un-engage" position enables motion of the vehicle. When the rider retracts the side stand 108 from the “engaged” stance, it results in the de-activation of the actuator assembly 106. Such inaction of the actuator assembly 106 prompts a shift in the orientation of the toothed sector gear 104 into the disengagement mode. Thereby, the pinion 102 is freed from the previously restricted state, enabling the pinion 102 to rotate without any impedance. Such an action readies the vehicle for the intended movement, ensuring that there are no hindrances to the vehicle’s mobility.
[0035] To exemplify a use case scenario, consider a motorcyclist parking a motorcycle on a steep hill. Traditionally, there is a tangible risk of the motorcycle rolling back due to the incline. However, with the parking brake assembly 100, when the motorcyclist deploys the side stand 108 to the "engage" position, the toothed sector gear 104 automatically meshes with the pinion 102 due to the activation of actuator assembly 106. The activity locks the gearbox of the motorcycle and prevents any unintentional backward movement. When the motorcyclist wishes to depart, the motorcyclist shifts the side stand 108 to the "un-engage" position. This action disengages the toothed sector gear 104 from the pinion 102, allowing the motorcycle to move freely. The entire mechanism aims to offer an intuitive and seamless experience to the user, merging safety with convenience.
[0036] In an embodiment, the actuator assembly 106 may incorporate a compression spring. When the side stand 108 is maneuvered into the "engage" position, the compression spring adopts a compressed state. Such compressed state instigates the toothed sector gear 104 to move into the engagement mode, ensuring the vehicle remains stationary. The compression spring may be associated with a guide rod, which can transfer the force of the compressed spring to the toothed sector gear 104, wherein the toothed sector gear 104 moves or rotates towards the pinion 102 to enable meshing of the toothed sector gear 104 with the pinion 102 to disable movement of the vehicle. In contrast, the moment side stand 108 shifts to the "un-engage" position, the compression spring undergoes a transformation, transitioning from the compressed state to an un-compressed state. The transformation of spring into decompression state may cause release of the pressure exerted by the guide rod on the sector gear, wherein the toothed sector gear 104 towards the pinion 102 to enable meshing of toothed sector gear 104 to disable

movement of the vehicle. Such a change in the state of spring propels the toothed sector gear 104 into the disengagement mode, prepping the vehicle for motion.
[0037] In an embodiment, the actuator assembly 106 may comprise a proximity sensor and a solenoid to enhance the functionality of the parking brake assembly 100. The solenoid is an electromagnetic device that transforms electrical energy into mechanical energy. The solenoid is associated with toothed sector gear 104, and configured to enable transformation of toothed sector gear 104 into either an engagement mode or a disengagement mode based on the signal received from proximity sensor, which may be configured to discern the precise position (whether in engaged or un-engaged position) of the side stand 108 at any given time. As the proximity sensor detects the position of the side stand 108, the proximity sensor relays the information to the solenoid, which reacts accordingly. If the position of the side stand 108 is detected as "engage", the solenoid orchestrates the interaction between the components, directing the toothed sector gear 104 to assume the engagement mode, effectively immobilizing the vehicle. On the contrary, if the "un-engage" position is detected, the solenoid swiftly maneuvers the toothed sector gear 104 into the disengagement mode, signaling the readiness of the vehicle for motion. Such sync between the proximity sensor and solenoid ensures a seamless and reliable transition between the engagement and disengagement of parking brake assembly 100. In an example, the proximity sensor can be a hall sensor, capable of detecting the presence of side stand 108 without any physical contact of side stand 108. The hall sensor is a transducer that varies its output voltage in response to a magnetic field. In an exemplary embodiment, a hall sensor can be installed near the pivot point of the side stand 108 to determine position of side stand 108. Further, a magnet can be attached to the side stand 108 such that side stand 108 moves in proximity to the hall sensor, when the side stand 108 moves between engage and un-engage modes. When the side stand 108 is retracted in engage position, the magnet moves closer to the hall sensor, which triggers signal (due to increased magnetic field) to solenoid, which enables transformation of the toothed sector gear 104 into engagement mode to cease movement of vehicle. Similarly, upon transformation of side stand 108 from engage position to un-engage position, the magnet moves away from the hall sensor, which triggers signal (due to decreased magnetic field) to solenoid, which enables transformation of the toothed sector 104 gear into disengagement mode to enable movement of vehicle.
[0038] In an embodiment, the actuator assembly 106 may include a guide rod and a steel cable that intertwines with the side stand 108, ensuring optimized functionality. When the side stand 108 is maneuvered into the "engage" position, the steel cable is subjected to a strain that draws it tight. The tension, channeled through the placed guide rod, prompts the toothed sector gear 104 to shift into the engagement mode. When the side stand 108 transitions to the "un-engage" position, the previously tensed steel cable experiences a release in strain, and accordingly it loosens. The relaxation in tension, orchestrated through the guide rod, nudges the toothed sector gear 104 into the disengagement mode, allowing the vehicle for smooth movement. Such combination of the guide rod and steel cable offers an effective mechanism, ensuring the reliability and precision of the parking brake assembly 100.
[0039] In an embodiment, the actuator assembly 106 may showcase an integration of mechanical components, consisting of a primary gear directly coupled to the side stand 108, a precisely designed rack, and a secondary gear. As the side stand 108 pivots between the engaged and un-engaged stances, the side stand 108 instigates distinct rotational movements in the primary gear. The rotations, in their specificity, are adeptly translated into linear actuations of the rack. The rack, comprising grooves and ridges, then interacts with the secondary gear. Such interaction, dictated by the rotation direction of primary gear, either propels or retracts the toothed sector gear 104. Consequently, the toothed sector gear 104 seamlessly transitions into the respective engagement or disengagement modes.
[0040] In an embodiment, the side stand 108 may be designed with a CAM profile at one of the terminal ends. Such CAM profile, characterized by the asymmetrical shape, interfaces with a mounting bracket when the side stand 108 is deployed or retracted. Such interaction ensures precise and consistent engagement or disengagement actions, enhancing the efficacy of the parking brake assembly 100. The integration of the CAM profile with the mounting bracket amplifies the stability of the side stand 108, offering an added layer of security and reducing chances of accidental disengagement. Through such combination of the CAM profile and mounting bracket, the overall reliability and efficiency of the parking mechanism of the vehicle is significantly elevated.
[0041] In an embodiment, the pinion 102 may operate as the primary driving gear situated within a designed gearbox. To ensure longevity and protection from external adversities, the gearbox, with the pinion 102 inside, gets placed within the housing of a swingarm assembly. Such placement shields the inner workings of the gearbox from potential contaminants, damage, or wear due to environmental factors.
[0042] In an embodiment, the parking brake assembly 100 may integrate the side stand 108 directly onto the main frame of the vehicle through chassis mount plate, ensuring the firm positioning and alignment of the side stand 108. The direct attachment to the main frame of the vehicle allows stability, minimizes potential misalignment or wear over time. By securing the side stand 108 to the frame in such manner, the structural integrity of the parking brake assembly 100 and the operational efficiency are enhanced.
[0043] In an embodiment, the secure integration of the side stand 108 to the chassis mount plate may be achieved through the use of a guide, designed from a combination of a guide bush and a guide bush bracket. Such structure stabilizes the movement of the side stand 108, promoting consistent alignment and minimizing wear and tear. The guide bush, tailored to fit the dimensions of the side stand 108, facilitates the unhindered sliding movement, while the guide bush bracket provides the necessary anchoring, ensuring the side stand 108 remains steadfast. Together, the guide bush and the guide bush bracket maintain synchronization between the motion of side stand 108 and the engagement or disengagement of the parking brake assembly 100.
[0044] FIG. 2, spanning from FIG. 2A to FIG. 2B, illustrates the transformation of the toothed sector gear 104 in relation to the dynamic positioning of the side stand 108, in accordance with embodiments of the present disclosure. As presented in FIG. 2A to FIG. 2B, the side stand 108 exhibits a transformative capability, shifting between two positions. In FIG. 2A, when the side stand 108 is in the un-engage position, the process results in the deactivation of the (previously activated) actuator assembly 106, directing the toothed sector gear 104 to assume the disengagement mode, liberating the vehicle for motion. Transitioning to FIG. 2B, the side stand 108, when positioned in the engage position, prompts the activation of the actuator assembly 106. Such activation, in turn, commands the toothed sector gear 104 to move into the engagement mode, ensuring the vehicle remains immobilized. The illustrative sequence in FIG. 2 signifies the interdependent relationship between the positioning of the side stand 108 and the operational mode of the toothed sector gear 104 within the parking brake assembly 100.
[0045] In FIG. 3, detailed actuator assembly 106 is portrayed, in accordance with embodiments of the present disclosure. As delineated in FIG. 3, the proximity sensor discerns the current stance of the side stand 108 with precision. The detected position then serves as an input to the subsequent component, the solenoid. The solenoid, upon receiving the input, governs the transformation of the toothed sector gear 104. If the proximity sensor identifies the position of side stand 108 as "engage," the solenoid drives the toothed sector gear 104 into engagement mode, locking the vehicle in place. Conversely, when the proximity sensor reads the "un-engage" position, the solenoid facilitates the transition of the toothed sector gear 104 to the disengagement mode.
[0046] FIG. 4 provides a visual representation of how the parking brake assembly 100 integrates with the chassis of a two-wheeler, in accordance with embodiments of the present disclosure. The positioning of parking brake assembly 100 and connection to the gearbox assembly are evident. The gearbox assembly incorporates the functions of the parking brake assembly 100. When engaged, the parking brake assembly 100 ensures the vehicle remains stationary, particularly beneficial in challenging terrains or gradients, adding an extra layer of safety and control. Conversely, the disengagement allows the two-wheeler to move freely, showcasing the relationship between the parking brake assembly 100 and the gearbox assembly in regulating the movement of the vehicle.

CLAIMS
What is claimed is:

1. A parking brake assembly for a vehicle, comprising:
a pinion associated with a gearbox assembly;
a toothed sector gear transforms between:
an engagement mode to engage the toothed sector gear with the pinion to disable movement of the vehicle; and
a disengagement mode to disengage the toothed sector gear with the pinion to enable movement of the vehicle;
an actuator assembly; and
a side stand transforms between:
an engage position to activate the actuator assembly to transform the toothed sector gear into the engagement mode; and
an un-engage position to de-activate the activated actuator assembly to transform the toothed sector gear into the disengagement mode.
2. The parking brake assembly as claimed in claim 1, wherein the actuator assembly comprises a compression spring, wherein the compression spring changes from an uncompressed state to a compressed state to transform the toothed sector gear into the engagement mode in the side stand engage position, and wherein the compression spring transforms from the compressed state to an uncompressed state to transform the toothed sector gear into the disengagement mode in the side stand un-engage position.
3. The parking brake assembly as claimed in claim 1, wherein the actuator assembly comprises:
a proximity sensor to detect a current position of the side stand; and
a solenoid to transform the toothed sector gear into:
the engagement mode, if the detected current position is the engage position; and
the disengagement mode, if the detected current position is the un-engage position.
4. The parking brake assembly as recited in claim 1, wherein the actuator assembly comprises:
a guide rod; and
a steel cable connected to the side stand, such that when the side stand is in the engage position, the steel cable is pulled to transform the toothed sector gear into the engagement mode through the guide rod, and wherein the side stand in the un-engage position, the steel cable is relaxed from a pulled state to transform the toothed sector gear into the disengagement mode through the guide rod.
5. The parking brake assembly as claimed in claim 1, wherein the actuator assembly comprises:
a primary gear coupled to the side stand such that when the side stand is transformed from the engaged position to the un-engaged position, the primary gear rotates in a primary direction, and when the side stand is transformed from the un-engaged position to the engaged position, the primary gear rotates in a secondary direction;
a rack linearly actuated by the rotation of the primary gear; and
a secondary gear interfacing with the rack, wherein the secondary gear transforms the toothed sector gear into the disengagement mode upon rotation of the primary gear in the primary direction, and wherein the secondary gear transforms the toothed sector gear into the engagement mode upon rotation of the primary gear in the secondary direction.
6. The parking brake assembly as claimed in claim 1, wherein the side stand is associated with a CAM shaped profile at an end, which interacts with a mounting bracket.
7. The parking brake assembly as claimed in claim 1, wherein the pinion is a driving gear of a gearbox enclosed within a housing of a swingarm assembly.
8. The parking brake assembly as claimed in claim 1, wherein the side stand is assembled with a frame of the vehicle through a chassis mount plate.
9. The parking brake assembly as claimed in claim 1, wherein the side stand is assembled with the chassis mount plate through a guide comprising a guide bush and a guide bush bracket.

ABSTRACT
The present disclosure relates to a parking brake assembly for vehicles. The brake assembly includes an actuator assembly and a pinion linked with a gearbox assembly and a toothed sector gear capable of shifting between two modes. In the engagement mode, the toothed sector gear meshes with the pinion, immobilizing the vehicle. In the disengagement mode, the toothed sector gear separates from the pinion, allowing the movement of the vehicle. The actuator assembly is activated when the side stand is positioned in the engage stance, thereby, prompting the toothed sector gear into engagement mode. Conversely, when the side stand is shifted to the un-engage stance, the side stand de-activates the actuator, transitioning the gear into disengagement mode.
Fig. 1 , Claims:CLAIMS
What is claimed is:

1. A parking brake assembly for a vehicle, comprising:
a pinion associated with a gearbox assembly;
a toothed sector gear transforms between:
an engagement mode to engage the toothed sector gear with the pinion to disable movement of the vehicle; and
a disengagement mode to disengage the toothed sector gear with the pinion to enable movement of the vehicle;
an actuator assembly; and
a side stand transforms between:
an engage position to activate the actuator assembly to transform the toothed sector gear into the engagement mode; and
an un-engage position to de-activate the activated actuator assembly to transform the toothed sector gear into the disengagement mode.
2. The parking brake assembly as claimed in claim 1, wherein the actuator assembly comprises a compression spring, wherein the compression spring changes from an uncompressed state to a compressed state to transform the toothed sector gear into the engagement mode in the side stand engage position, and wherein the compression spring transforms from the compressed state to an uncompressed state to transform the toothed sector gear into the disengagement mode in the side stand un-engage position.
3. The parking brake assembly as claimed in claim 1, wherein the actuator assembly comprises:
a proximity sensor to detect a current position of the side stand; and
a solenoid to transform the toothed sector gear into:
the engagement mode, if the detected current position is the engage position; and
the disengagement mode, if the detected current position is the un-engage position.
4. The parking brake assembly as recited in claim 1, wherein the actuator assembly comprises:
a guide rod; and
a steel cable connected to the side stand, such that when the side stand is in the engage position, the steel cable is pulled to transform the toothed sector gear into the engagement mode through the guide rod, and wherein the side stand in the un-engage position, the steel cable is relaxed from a pulled state to transform the toothed sector gear into the disengagement mode through the guide rod.
5. The parking brake assembly as claimed in claim 1, wherein the actuator assembly comprises:
a primary gear coupled to the side stand such that when the side stand is transformed from the engaged position to the un-engaged position, the primary gear rotates in a primary direction, and when the side stand is transformed from the un-engaged position to the engaged position, the primary gear rotates in a secondary direction;
a rack linearly actuated by the rotation of the primary gear; and
a secondary gear interfacing with the rack, wherein the secondary gear transforms the toothed sector gear into the disengagement mode upon rotation of the primary gear in the primary direction, and wherein the secondary gear transforms the toothed sector gear into the engagement mode upon rotation of the primary gear in the secondary direction.
6. The parking brake assembly as claimed in claim 1, wherein the side stand is associated with a CAM shaped profile at an end, which interacts with a mounting bracket.
7. The parking brake assembly as claimed in claim 1, wherein the pinion is a driving gear of a gearbox enclosed within a housing of a swingarm assembly.
8. The parking brake assembly as claimed in claim 1, wherein the side stand is assembled with a frame of the vehicle through a chassis mount plate.
9. The parking brake assembly as claimed in claim 1, wherein the side stand is assembled with the chassis mount plate through a guide comprising a guide bush and a guide bush bracket.