Description:TECHNICAL FIELD
[0001] The present disclosure relates to the field of vehicle handling equipment. More particularly, the present disclosure relates to a manually operated vehicle dolly configured for manoeuvring stationary vehicles and a method thereof.

BACKGROUND
[0002] Background description includes information that may be useful in understanding the present disclosure. It is not an admission that any of the information provided herein is prior art or relevant to the presently claimed disclosure, or that any publication specifically or implicitly referenced is prior art.
[0003] Emergency vehicle movement is often required in situations where vehicles are immobilized due to mechanical failure, accidents, or parking violations. Existing vehicle dollies often face several limitations that hinder their effectiveness in emergency situations. Many of these solutions rely on bulky, motorized equipment, which can be expensive, difficult to transport, and require complex setup. This makes them impractical for quick, on-the-spot use, especially in confined spaces or remote locations. Manual dollies, while more portable, often have restricted lifting capacities, limiting their use with heavier vehicles. They can also lack the versatility needed to accommodate different vehicle sizes and wheel types, requiring multiple tools or adjustments. Additionally, the design of many manual dollies may not ensure smooth manoeuvrability, leading to difficulty in positioning vehicles, particularly in tight or uneven spaces. The ergonomics of existing dollies may cause operator fatigue during prolonged use, reducing efficiency. Furthermore, many conventional models are prone to wear and tear, with components that may not be corrosion-resistant, shortening their lifespan in harsh environmental conditions.
[0004] To address these limitations, the present invention provides a vehicle dolly that overcomes the shortcomings of the prior art.
 
OBJECTS OF THE PRESENT DISCLOSURE
[0005] Some of the objects of the present disclosure, which at least one embodiment herein satisfies are as listed herein below.
[0006] It is a primary object of the present disclosure to provide a manually operated vehicle dolly capable of lifting and moving stationary vehicles with minimal physical effort without the need for bulky or motorized equipment.
[0007] It is an object of the present disclosure to provide a manually operated vehicle dolly that incorporates a three-wheel mobility framework with a 360-degree rotating front caster wheel, enabling precise directional control and smooth manoeuvrability in tight or confined spaces.
[0008] It is yet another object of the present disclosure to provide a manually operated vehicle dolly that integrates a lever-assisted lifting mechanism that minimizes physical effort for the operator, allowing for easy lifting of heavy vehicles with a mechanical advantage.
[0009] It is yet another object of the present disclosure to provide a manually operated vehicle dolly that incorporates a self-adjusting inclination mechanism in the rear wheels that automatically tilt during the lifting phase to prevent slippage and improve load-bearing capacity.
[0010] It is still another object of the present disclosure to provide a manually operated vehicle dolly that is constructed with corrosion-resistant materials and robust components, capable of withstanding repeated use and harsh environmental conditions.

SUMMARY
[0011] This section is provided to introduce certain objects and aspects of the present disclosure in a simplified form that are further described below in the detailed description. This summary is not intended to identify the key features or the scope of the claimed subject matter.
[0012] The present disclosure relates to the field of vehicle handling equipment. More particularly, the present disclosure relates to a manually operated vehicle dolly configured for manoeuvring stationary vehicles and a method thereof.
[0013] In an aspect of the present disclosure a manually operated vehicle dolly configured for manoeuvring stationary vehicles is disclosed. The vehicle dolly includes an adjustable frame. The adjustable frame includes a plurality of alignment slots along a length of the adjustable frame to fit car tyres of varying diameters, and a nut-and-bolt locking arrangement for securing the adjustable frame in a fixed position after adjustment, ensuring firm engagement with a vehicle wheel. The vehicle dolly further includes a three-wheel mobility framework. The three-wheel mobility framework includes a front caster wheel, centrally positioned and configured to rotate by 360 degrees to provide precise directional control and manoeuvrability in confined spaces. The three-wheel mobility framework further includes two rear fixed wheels mounted on a reinforced axle for load-bearing support. The vehicle dolly further includes a lever-assisted lifting framework. The lever-assisted lifting framework includes a detachable lever configured to provide a mechanical advantage, enabling lifting of the car tyre and a replaceable coupling assembly connecting the lever to the rear wheels, configured to accommodate different lever designs and optimize force application. The vehicle dolly further includes an ergonomic handle with a rearward-inclined grip extending from a rear axle frame, allowing for pushing, pulling, or manoeuvring of the adjustable frame.
[0014] In an embodiment, the adjustable frame is reinforced with vertical and horizontal support bars configured to support vehicle loads.
[0015] In an embodiment, the adjustable frame is made from mild steel coated with a corrosion-resistant layer, providing strength and durability while maintaining a lightweight profile.
[0016] In an embodiment, the three-wheel mobility framework comprises a reinforced horizontal frame connecting the front caster wheel to the rear axle frame and a load platform to provide a stable surface for supporting heavy loads.
[0017] In an embodiment, the three-wheel mobility framework comprises a brake assembly on at least one of the rear wheels to prevent unintended movement during lifting and positioning.
[0018] In an embodiment, the rear wheels comprise a nylon construction to ensure wear resistance and enable smooth movement even under heavy loads.
[0019] In an embodiment, the rear wheels are configured with a self-adjusting inclination mechanism to enable automatic inclination of the rear wheels during a lifting phase to enhance stability and prevent slippage.
[0020] In an embodiment, the rear wheels replaceable coupling assembly comprises a quick-release mechanism that allows the lever to be easily detached for transport or replacement.
[0021] In an aspect of the present disclosure a method of manoeuvring a stationary vehicle using a vehicle dolly is disclosed. The method begins with adjusting a length of the adjustable frame to fit a tyre diameter of the vehicle. The method proceeds with clamping the adjustable frame onto the tyre of the vehicle using the nut-and-bolt locking arrangement. The method proceeds further with attaching the lever to the replaceable coupling assembly. The method proceeds further with exerting force on the lever to lift the tyre of the vehicle off the ground. The method ends with pivoting the front caster wheel and the two rear wheels to move the vehicle.

BRIEF DESCRIPTION OF DRAWINGS
[0022] The accompanying drawings are included to provide a further understanding of the present disclosure and are incorporated in, and constitute a part of this specification. The drawings illustrate exemplary embodiments of the present disclosure, and together with the description, serve to explain the principles of the present disclosure.
[0023] In the FIGures, similar components, and/or features may have the same reference label. Further, various components of the same type may be distinguished by following the reference label with a second label that distinguishes among the similar components. If only the first reference label is used in the specification, the description applies to any one of the similar components having the same first reference label irrespective of the second reference label.
[0024] FIG. 1 illustrates an exemplary representation of a side view of the proposed manually operated vehicle dolly, in accordance with an embodiment of the present disclosure.
[0025] FIG. 2 illustrates an exemplary representation of a top view of the proposed manually operated vehicle dolly, in accordance with an embodiment of the present disclosure.
[0026] FIG. 3 illustrates an exemplary representation of the proposed manually operated vehicle dolly with a tire to be lifted in an initial position, in accordance with an embodiment of the present disclosure.
[0027] FIG. 4 illustrates an exemplary representation of the proposed manually operated vehicle dolly with a tire to be lifted in a final position, in accordance with an embodiment of the present disclosure.
[0028] FIG. 5 illustrates an exemplary representation of a side view of the proposed manually operated vehicle dolly in an initial position, in accordance with an embodiment of the present disclosure.
[0029] FIG. 6 illustrates an exemplary representation of a front view of the proposed manually operated vehicle dolly in an initial position, in accordance with an embodiment of the present disclosure.
[0030] FIG. 7 illustrates an exemplary representation of a field test of the proposed manually operated vehicle dolly in an initial position, in accordance with an embodiment of the present disclosure.
[0031] FIG. 8 illustrates an exemplary representation of a field test of the proposed manually operated vehicle dolly in a final position, in accordance with an embodiment of the present disclosure.
[0032] FIG. 9 illustrates an exemplary flowchart representation of the proposed method of manoeuvring a stationary vehicle using a vehicle dolly, in accordance with an embodiment of the present disclosure.

DETAILED DESCRIPTION
[0033] The following is a detailed description of embodiments of the disclosure depicted in the accompanying drawings. The embodiments are in such detail as to communicate the disclosure. However, the amount of detail offered is not intended to limit the anticipated variations of embodiments. On the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit, and scope of the present disclosure as defined by the appended claims.
[0034] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the present invention. It will be apparent to one skilled in the art that embodiments of the present invention may be practiced without some of these specific details.
[0035] FIG. 1 illustrates an exemplary representation of a side view of the proposed manually operated vehicle dolly, in accordance with an embodiment of the present disclosure.
[0036] Illustrated in FIG. 1 is a representation a side view of a vehicle dolly 100.
[0037] In an embodiment, the vehicle dolly 100 is provided with a handle 102. The handle 102 is ergonomically configured for easy pushing, pulling, or manoeuvring of the vehicle dolly 100. The handle 102 extends from a rear axle frame of the vehicle dolly 100 at an angle suitable for user comfort. The handle 102 of the vehicle dolly 100 is ergonomically configured to provide ease of use and comfort for the operator. The handle 102 extends from the rear axle frame at an inclined angle, allowing for a natural grip while pushing, pulling, or manoeuvring the vehicle dolly 100. The handle 102 is covered with a non-slip material, ensuring a secure hold even during extended use or under challenging conditions. Further, the configuration of the handle 102 reduces operator fatigue by promoting a more efficient transfer of force, making it easier to move heavy vehicles. The handle 102 is also made adjustable to accommodate different user preferences, providing customizable comfort and control during operation.
[0038] In an embodiment, the vehicle dolly 100 is provided with a front caster wheel 104-2 and two rear wheels 104-4 with a brake assembly on at least one of the rear wheels 104-4 to prevent unintended movement during lifting and positioning. The front caster wheel 104-2 is positioned centrally at a front of the vehicle dolly 100. Further, the front caster wheel 104-2 allows multi-directional movement and rotation for enhanced manoeuvrability. The front caster wheel 104-2 has a diameter of approximately 12.50 units. The two rear wheels 104-4, mounted on a fixed axle, provide the primary support for the vehicle dolly 100. The two rear wheels 104-4, with a diameter of approximately 15 units, ensure stability during operation. The front caster wheel 104-2 is configured to provide precise directional control and enhanced manoeuvrability in tight spaces or uneven terrain. The front caster wheel 104-2 may be configured with a ball-bearing mechanism for smooth rotation and reduced friction, making it easy to manoeuvre the vehicle dolly 100. The two rear wheels 104-4 are mounted on the fixed axle, ensuring stability and load-bearing support during operation. Made of high-strength nylon, the two rear wheels 104-4 offer durability and wear resistance even under heavy loads. A self-adjusting inclination mechanism for the rear wheels 104-4 automatically tilts the rear wheels 104-4 during the lifting phase, preventing slippage. This configuration ensures a smooth transition between lifting and moving stationary vehicles, enhancing safety and efficiency.
[0039] In an embodiment, the vehicle dolly 100 is provided with a central frame 106 and a load platform 108. The central frame 106 connects the front caster wheel 104-2 to a rear axle assembly of the vehicle dolly 100. The load platform 108 provides a stable surface for supporting vehicles or heavy loads. The central frame 106 plays a crucial role in connecting the front caster wheel 104-2 to the rear axle assembly, ensuring the structural integrity and balance of the vehicle dolly 100. The central frame 106 serves as the backbone of the vehicle dolly 100, providing a stable framework that supports both the lifting and mobility systems. The load platform 108, integrated into the central frame 106, offers a stable surface for securely supporting the vehicle or heavy loads during lifting and transport. Designed to evenly distribute the weight, the load platform 108 ensures that the vehicle dolly 100 remains balanced and stable while moving vehicles. The robust construction of the load platform 108 allows the vehicle dolly 100 to handle significant weight without compromising on safety or efficiency. Together, the central frame 106 and the load platform 108 provide the foundation needed for reliable and safe vehicle handling.
[0040] In an embodiment, the vehicle dolly 100 is provided with a lever-assisted framework that includes a detachable lever 110 at a pivot point. The lever 110 is configured to facilitate emergency movement of stationary vehicles. Further, the lever 110 is configured to minimize the physical effort required to lift a vehicle wheel off the ground. The lever 110 is connected to the rear wheels 104-4 through a replaceable coupling mechanism, which allows the operator to apply force efficiently. The length of the lever 110 may be optimized to provide maximum mechanical advantage while maintaining portability. The lever 110 is engineered to accommodate levers of varying designs, making the vehicle dolly 100 adaptable to different user preferences.
[0041] FIG. 2 illustrates an exemplary representation of a top view of the proposed manually operated vehicle dolly, in accordance with an embodiment of the present disclosure.
[0042] Illustrated in FIG. 2 is a representation 200 of a top view of the vehicle dolly 100. The vehicle dolly 100 has a width of 38 units, encompassing the rear wheels 104-4. The vertical height of the vehicle dolly 100 is 27 units, accommodating the handle 102 and the load platform 108. Centrally aligned at the front, the front caster wheel 104-2 provides rotational flexibility. The rear wheels 104-4 are symmetrically placed for balance and support. The axle assembly is reinforced to handle substantial weight loads. The central frame 106 of the vehicle dolly 100 is reinforced with vertical and horizontal support bars, ensuring robust performance. The vertical bar, that has a thickness of 3 units, connects the handle 102 and the load platform 108 to the base.
[0043] In an embodiment, the vehicle dolly 100 is provided with an adjustable frame 202 which is configured as a sliding frame with an adjustable length. The adjustable frame 202 is equipped with a plurality of alignment slots and a nut-and-bolt locking arrangement to securely fit vehicle tyres of varying diameters. The adjustable frame 202 is fabricated from mild steel, which provides the necessary strength and ductility to withstand repeated adjustments while ensuring that the vehicle dolly 100 can handle heavy loads during operation.
[0044] In an embodiment, the adjustable frame 202 in conjunction with the rear axle frame 204 enable seamless lifting and manoeuvring of stationary vehicles by the vehicle dolly 100. The handle 102 is attached to the rear axle frame 204, allowing the operator to apply force for pushing, pulling, or lifting the dolly. The adjustable frame 202 extends from the rear axle frame 204, offering a customizable platform to accommodate vehicle wheels of different sizes. The adjustable frame 202 and the rear axle frame 204 create a unified structure that ensures stability, ease of use, and efficient vehicle wheel lifting during operation.
[0045] FIG. 3 illustrates an exemplary representation of the proposed manually operated vehicle dolly with a tire to be lifted in an initial position, in accordance with an embodiment of the present disclosure.
[0046] Illustrated in FIG. 3 is a representation 300 of the vehicle dolly 100 with the front caster wheel 104-2 and the rear wheels 104-4 in the initial position. In the initial setup of the vehicle dolly 100, the central frame 106 is properly aligned with a tyre of a stationary vehicle before engagement, ensuring accurate positioning for lifting. The vehicle dolly 100 is provided with the adjustable frame 202 that is in an unlocked state, allowing it to be extended or retracted to fit the specific tyre diameter. This setup ensures that the vehicle dolly 100 can securely grip the tyre once the nut-and-bolt locking arrangement 302 of the vehicle dolly is engaged. The rear fixed wheels 104-4 are positioned on either side for balanced support, while the front caster wheel 104-2 remains aligned for smooth manoeuvrability. The alignment of the adjustable frame 202 with the tyre ensures that the lifting process will be stable and controlled. At this stage, no lever-assisted framework is yet engaged, and the vehicle dolly 100 remains in a neutral configuration. The load platform 108 and a vertical frame provide additional structural support, preparing the vehicle dolly 100 for the lifting phase. This setup demonstrates how the vehicle dolly 100 is configured to interface seamlessly with the vehicle tyre before operation. Proper alignment in this phase is critical for effective lifting and safe manoeuvring. Once the adjustable frame 202 is locked and secured, the operator can proceed with the lever-assisted framework.
[0047] In an embodiment, the adjustable frame 202 of the vehicle dolly 100 is configured to accommodate various vehicle wheel sizes, ensuring versatility and ease of use. The adjustable frame 202 may consist of two parallel frame sections that are configured to extend and retract, allowing the vehicle dolly 100 to securely fit different wheel diameters. The nut-and-bolt locking arrangement 302 ensures that once adjusted, the adjustable frame 202 remains firmly in place, preventing any unintended movement during operation. There is further provided the plurality of alignment slots along the adjustable frame 202 to enable precise positioning, allowing for a secure grip on the vehicle tire. This adjustability enhances the adaptability of the vehicle dolly 100, making the adjustable frame 202 suitable for use with a wide range of vehicles. By providing a stable and customizable fit, the adjustable frame 202 ensures safe and efficient lifting and transport of immobilized vehicles.
[0048] FIG. 4 illustrates an exemplary representation of the proposed manually operated vehicle dolly with a tyre to be lifted in a final position, in accordance with an embodiment of the present disclosure.
[0049] Illustrated in FIG. 4 is a representation 400 of the vehicle dolly 100 in the final position of operation. In the final position, the adjustable frame 202 is securely locked along the length of the tyre of the vehicle being lifted, ensuring a firm grip on the vehicle tyre. The nut-and-bolt locking arrangement 302 prevents any unintended movement, maintaining stability during lifting. The vehicle dolly 100 is provided with the lever 110 that is fully engaged in a replaceable coupling assembly allowing the operator to apply force efficiently to lift the vehicle tire off the ground. The replaceable coupling assembly includes a quick-release mechanism that allows the lever 110 to be easily detached for transport or replacement. As the lever 110 is operated, the self-adjusting rear wheels 104-4 of the vehicle dolly 100 tilt slightly to enhance balance and prevent slippage. The front caster wheel 104-2 remains free to rotate, enabling precise manoeuvrability of the lifted load. The raised position of the vehicle tyre highlights the ability of the vehicle dolly 100 to effectively lift and secure the tyre. The structural integrity of the adjustable frame 202 and the load platform 108 ensures that the tyre remains elevated without shifting. This configuration enables smooth transport, even in confined spaces or on uneven surfaces. The lever-assisted lifting framework of the vehicle dolly 100 minimizes physical effort, making it accessible for a single operator. The final position showcases the efficiency, stability, and reliability of the vehicle dolly 100 in emergency vehicle handling.
[0050] FIG. 5 illustrates an exemplary representation of a side view of the proposed manually operated vehicle dolly in an assembled position, in accordance with an embodiment of the present disclosure.
[0051] Illustrated in FIG. 5 is a representation 500 of a side view of the vehicle dolly 100 in an assembled position. The vehicle dolly 100 is provided with the inclined handle 102, the adjustable frame 202, and the strategically positioned front caster wheel 104-2 and the fixed rear wheels 104-4, ensuring optimal functionality and stability. The inclined handle 102 provides an ergonomic grip, allowing the operator to push, pull, and manoeuvre the vehicle dolly 100 with minimal effort. The adjustable frame 202 securely holds tyres of various diameters, enhancing versatility and adaptability. The front caster wheel 104-2 at the front enables 360-degree rotation, allowing for precise directional control, especially in tight spaces. The fixed rear wheels 104-4, mounted on the reinforced axle, provide load-bearing support and stability during lifting and movement. The alignment of these components ensures even weight distribution, preventing tipping or imbalance. The self-adjusting inclination mechanism in the rear wheels 104-4 enhances safety by preventing slippage during lifting. The structural integrity of the vehicle dolly 100 allows the vehicle dolly 100 to withstand heavy loads without deformation. This ergonomic design ensures that a single operator can efficiently lift and transport immobilized vehicles. The well-aligned components contribute to the ease of use, durability, and effectiveness of the vehicle dolly 100 in emergency vehicle handling.
[0052] In an embodiment, the vehicle dolly 100 is fully configured for lifting and manoeuvring stationary vehicles, with all components securely engaged, in the assembled position. The adjustable frame 202 is extended and locked using the nut-and-bolt locking arrangement 302, ensuring a firm grip on the vehicle tyre. The plurality of alignment slots 502 along the adjustable frame 202 allow precise positioning to accommodate different tyre sizes. The rear axle frame 204 supports the structure, with the two fixed rear wheels 104-4 providing stability, while the centrally positioned swivel caster wheel 104-2 enhances manoeuvrability. The lever 110 is engaged with the coupling mechanism, allowing smooth and controlled lifting through mechanical advantage. The handle 102 extends rearward, providing an ergonomic grip for pushing or pulling the vehicle dolly 100. The reinforced load-bearing structure ensures durability under heavy loads. The self-adjusting inclination mechanism helps balance the vehicle dolly 100 as the tyre is lifted.
[0053] FIG. 6 illustrates an exemplary representation of a front view of the proposed manually operated vehicle dolly in an initial position, in accordance with an embodiment of the present disclosure.
[0054] Illustrated in FIG. 6 is a representation 600 of a front view of the vehicle dolly 100. The configuration of the vehicle dolly 100 ensures balanced support and manoeuvrability by strategically positioning the fixed rear wheels 104-4 on either side and the front caster wheel 104-2 at the front. The rear wheels 104-4, mounted on the reinforced axle, provide load-bearing stability, while the front caster wheel 104-2 enables 360-degree rotation, allowing for precise directional control in tight spaces. This combination ensures that the vehicle dolly 100 can lift and transport a vehicle tire smoothly and securely.
[0055] In an embodiment, the vehicle dolly is provided with the vertical frame, which connects the handle 102 and the load platform 108, and provides structural support, maintaining the rigidity of the vehicle dolly 100 during lifting operations. The load platform 108, integrated into the central frame 106, offers a stable base for securing the vehicle wheel, preventing unwanted movement. The lever 110 provides mechanical advantage, reducing manual effort while ensuring controlled lifting, which minimizes structural stress and enhances the durability and efficiency of the vehicle dolly under heavy loads. The self-adjusting inclination mechanism of the rear wheels 104-4 further enhances stability, ensuring a safe lifting process. The ergonomic structure of the vehicle dolly 100 reduces operator fatigue, enabling smooth and effortless manoeuvrability. The positioning and alignment of these components contribute to the reliability and effectiveness of the vehicle dolly in emergency vehicle handling.
[0056] FIG. 7 illustrates an exemplary representation of a field test of the proposed manually operated vehicle dolly in an initial position, in accordance with an embodiment of the present disclosure.
[0057] Illustrated in FIG. 7 is a representation 700 of a field test view of the vehicle dolly 100 in the initial position. Field testing was conducted on a Ford Fiesta vehicle to evaluate the performance, durability, and functionality of the vehicle dolly 100. During the testing, the adjustable frame 202 was first attached to the car tyre, and the length of the adjustable frame 202 was adjusted to align with the dimensions of the tyre. Once properly aligned, the adjustable frame 202 with its sliding mechanism was locked securely along the length of the tyre to ensure a firm and stable connection.
[0058] FIG. 8 illustrates an exemplary representation of a field test of the proposed manually operated vehicle dolly in a final position, in accordance with an embodiment of the present disclosure.
[0059] Illustrated in FIG. 8 is a representation 800 of a field test view of the vehicle dolly 100 in the final position. After the adjustable frame 202 was positioned and locked, the lever 110 was inserted into the replaceable coupling assembly. The operator then pulled the lever 110 to lift the tyre off the ground. This process was carried out smoothly, demonstrating the ease of use and ergonomic configuration of the vehicle dolly 100. Throughout the test, it was observed that the vehicle dolly 100 successfully withstood the weight of the car without any signs of bending, deformation, or structural failure. The sliding mechanism of the adjustable frame 202 and the nut-and-bolt locking arrangement 302 functioned reliably, maintaining the stability of the vehicle dolly 100 throughout the lifting operation.
[0060] FIG. 9 illustrates an exemplary flowchart representation of the proposed method of manoeuvring a stationary vehicle using a vehicle dolly, in accordance with an embodiment of the present disclosure.
[0061] Illustrated in FIG. 9 is a flowchart representation of the method 900 of manoeuvring a stationary vehicle using the vehicle dolly 100. The method 900 begins with adjusting 902 a length of the adjustable frame 202 to fit a tyre diameter of the vehicle. The method 900 proceeds with clamping 904 the adjustable frame 202 onto the tyre of the vehicle using the nut-and-bolt locking arrangement 302. The method 900 proceeds further with attaching 906 the lever 110 to the replaceable coupling assembly. The method 900 proceeds further with exerting 908 force on the lever 110 to lift the tyre of the vehicle off the ground. The method 900 ends with pivoting 910 the front caster wheel 104-2 and the two rear wheels 104-4 to move the vehicle.
[0062] In an embodiment, the vehicle dolly 100 is a manually operated lifting and manoeuvring tool configured for efficient vehicle movement, featuring the central frame 106, the adjustable frame 202, and the vertical frame. The central frame 106 is the main structural framework that connects the front caster wheel 104-2 to the rear axle frame 204, forming the backbone of the vehicle dolly 100. The central frame 106 ensures structural integrity, supporting the adjustable frame 202, the vertical frame, and the load platform 108. The central frame 106 helps distribute weight evenly across the vehicle dolly 100, maintaining balance and stability when lifting and moving a vehicle.
[0063] In an embodiment, the adjustable frame 202 consists of at least two parallel sliding sections designed to extend and retract, allowing the vehicle dolly 100 to accommodate different vehicle wheel sizes. The adjustable frame 202 includes the nut-and-bolt locking arrangement 302 and the plurality of alignment slots 502 to securely hold the tyre of the stationary vehicle. The adjustable frame 202 plays a critical role in the lifting and securing of the vehicle tyre during operation. The vertical frame is a support structure that connects the handle 102, the load platform 108, and the base of the vehicle dolly 100, ensuring rigidity and stability. The vertical frame helps maintain the upright positioning of the handle 102, improving operator control. Unlike the adjustable frame 202, which adapts to different wheel sizes, and the central frame 106, which forms the main structural base, the vertical frame ensures proper alignment and operator ergonomics.
[0064] In an embodiment, the three-wheel mobility assembly of the vehicle dolly 100 includes the 360-degree rotating front caster wheel 104-2 for precise manoeuvrability and the two fixed rear wheels 104-4, mounted on the reinforced axle, providing load-bearing support and automatic inclination during lifting.
[0065] In an embodiment, the lever-assisted framework features the detachable lever 110 connected via the replaceable coupling assembly, allowing a single operator to efficiently lift a stationary vehicle wheel with minimal effort. The ergonomic handle 102, extending from the rear axle frame 204, is designed with a non-slip grip and an inclined angle for comfortable operation and controlled manoeuvring. The load platform 108, integrated into the central frame 106, ensures even weight distribution and prevents structural deformation under heavy loads.
[0066] In an embodiment, the vehicle dolly 100 has a corrosion-resistant mild steel construction that enhances durability, making the vehicle dolly 100 suitable for various environmental conditions. This compact yet robust design ensures smooth operation, stability, and adaptability, making the vehicle dolly 100 ideal for emergency vehicle handling, roadside assistance, and workshop applications.
[0067] In an embodiment, to use the vehicle dolly 100 for lifting a stationary vehicle, the operator first positions the vehicle dolly 100 in front of the vehicle wheel, ensuring that the adjustable frame 202 is aligned with the tyre. The adjustable frame 202 is then extended or retracted to fit the diameter of the vehicle tyre, and the nut-and-bolt locking arrangement 302 is secured to hold the vehicle tyre in place. Once the adjustable frame 202 is locked, the rear fixed wheels 104-4 are positioned on either side of the vehicle wheel to provide stability. The detachable lever 110 is then inserted into the replaceable coupling assembly, ensuring a secure connection for the lifting process. The operator applies downward force on the lever 110, using mechanical advantage to gradually lift the vehicle wheel off the ground. As the lifting motion progresses, the rear wheels 104-4 of the vehicle dolly 100 automatically incline to enhance stability and prevent slippage. The front caster wheel 104-2 remains free to rotate, allowing for controlled manoeuvrability once the wheel is raised. When the wheel reaches the desired height, the vehicle dolly 100 holds the vehicle securely in place, ensuring safe transport. The operator can then push or pull the vehicle dolly 100 using the ergonomically designed handle 102, guiding the vehicle smoothly across the surface. The reinforced load platform 108 distributes weight evenly, preventing structural deformation and ensuring a stable lift. Once the vehicle is moved to the intended location, the operator slowly releases the lever 110 to lower the tyre back to the ground in a controlled manner. The nut-and-bolt locking arrangement 302 is then disengaged, allowing the adjustable frame 202 to be loosened for removal from the wheel. The vehicle dolly 100 is carefully withdrawn from the stationary vehicle, ensuring that all components remain intact. This method allows a single operator to lift and move an immobilized vehicle with minimal effort. The process is efficient, safe, and ideal for emergency vehicle handling or workshop applications.
[0068] A use case of the vehicle dolly 100 is described herein. In a roadside emergency situation, a car has broken down in a tight parking space, obstructing traffic and requiring immediate relocation. A mechanic arrives with the vehicle dolly 100 and positions the vehicle dolly 100 in front of one of the tyres of the car to begin the lifting process. The adjustable frame 202 is extended to match the tyre diameter and locked securely using the nut-and-bolt locking arrangement 302 to ensure a firm grip. With the vehicle dolly 100 properly aligned, the operator inserts the detachable lever 110 into the replaceable coupling assembly and applies force to lift the tyre off the ground. As the car begins to rise, the rear wheels 104-4 of the vehicle dolly 100 tilt automatically, preventing slippage and improving stability during the lift. The front caster wheel 104-2 allows smooth directional movement, ensuring the vehicle dolly 100 remains manoeuvrable even in confined spaces. Once the tyre is raised to the required height, the operator grips the ergonomic handle 102 and carefully pushes the car to a safer location. The reinforced load platform 108 evenly distributes the weight, preventing stress on any single component and ensuring a balanced transport. The mechanic navigates the car effortlessly around obstacles using the rotating front caster wheel 104-2 for precise directional control. Upon reaching the new parking spot, the operator slowly lowers the car by releasing the lever 110, allowing the tyre to settle back onto the ground. The nut-and-bolt locking arrangement 302 is disengaged, and the adjustable frame 202 is loosened for easy removal. The vehicle dolly 100 is then withdrawn from the car, leaving the car securely parked in the desired location. The entire process is completed by a single operator without requiring excessive force, making the vehicle dolly 100 an efficient and practical solution for emergency vehicle movement.
[0069] While the foregoing describes various embodiments of the invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof. The scope of the invention is determined by the claims that follow. The invention is not limited to the described embodiments, versions, or examples, which are comprised to enable a person having ordinary skill in the art to make and use the invention when combined with information and knowledge available to the person having ordinary skill in the art.

ADVANTAGES OF THE INVENTION
[0070] The lever-assisted lifting mechanism of the vehicle dolly 100 provides a mechanical advantage, allowing a single operator to lift and move a stationary vehicle with minimal physical effort. The 360-degree rotating front caster wheel enables precise directional control, making it easy to navigate in tight spaces.
[0071] The adjustable sliding frame of the vehicle dolly 100 accommodates various vehicle wheel sizes, ensuring compatibility with a wide range of vehicles. The nut-and-bolt locking mechanism secures the wheel in place, making the vehicle dolly 100 adaptable for different use cases, including roadside emergencies and workshop applications.
[0072] The rear wheels of the vehicle dolly 100 are equipped with a self-adjusting inclination mechanism that automatically tilts during lifting to prevent slippage and ensure stability. The reinforced load platform evenly distributes weight, preventing frame deformation and maintaining a balanced lift.
[0073] Constructed from high-strength mild steel with a corrosion-resistant coating, the vehicle dolly 100 is designed for long-term use in various environmental conditions. The high-strength nylon rear wheels provide wear resistance and durability under heavy loads. 
, Claims:1. A vehicle dolly (100) for manoeuvring stationary vehicles, the vehicle dolly (100) comprising:
an adjustable frame (202) comprising:
a plurality of alignment slots (502) along a length of the adjustable frame (202) to fit a car tyre of varying diameters, and
a nut-and-bolt locking arrangement (302) for securing the adjustable frame (202) in a fixed position after adjustment, ensuring firm engagement with the car tyre,
a three-wheel mobility framework comprising:
a front caster wheel (104-2), centrally positioned and configured to rotate by 360 degrees to provide precise directional control and manoeuvrability in confined spaces, and
two rear fixed wheels (104-4) mounted on a reinforced axle for load-bearing support,
a lever-assisted lifting framework comprising:
a detachable lever (110) configured to provide a mechanical advantage, enabling lifting of the car tyre, and
a replaceable coupling assembly connecting the lever (110) to the rear wheels (104-4), configured to accommodate different lever designs and optimize force application,
an ergonomic handle (102) comprising:
a rearward-inclined grip extending from a rear axle frame (204), allowing for pushing, pulling, or manoeuvring of the adjustable frame (202).

2. The vehicle dolly (100) as claimed in claim 1, wherein the adjustable frame (202) is reinforced with vertical and horizontal support bars configured to support vehicle loads.
3. The vehicle dolly (100) as claimed in claim 1, wherein the adjustable frame (202) is made from mild steel coated with a corrosion-resistant layer, providing strength and durability while maintaining a lightweight profile.

4. The vehicle dolly (100) as claimed in claim 1, wherein the three-wheel mobility framework comprises a reinforced horizontal frame connecting the front caster wheel (104-2) to the rear axle frame (204) and a load platform (108) to provide a stable surface for supporting heavy loads.

5. The vehicle dolly (100) as claimed in claim 1, wherein the three-wheel mobility framework comprises a brake assembly on at least one of the rear wheels (104-4) to prevent unintended movement during lifting and positioning.

6. The vehicle dolly (100) as claimed in claim 1, wherein the rear wheels (104-4) comprise a nylon construction to ensure wear resistance and enable smooth movement even under heavy loads.

7. The vehicle dolly (100) as claimed in claim 1, wherein the rear wheels (104-4) are configured with a self-adjusting inclination mechanism to enable automatic inclination of the rear wheels during a lifting phase to enhance stability and prevent slippage.

8. The vehicle dolly (100) as claimed in claim 1, wherein the replaceable coupling assembly comprises a quick-release mechanism that allows the lever (110) to be easily detached for transport or replacement.

9. A method (900) of manoeuvring a stationary vehicle using a vehicle dolly (100), the method (100) comprising steps of:
adjusting (902) a length of an adjustable frame (202) to fit a tyre diameter of the vehicle;
clamping (904) the adjustable frame (202) onto a tyre of the vehicle using a nut-and-bolt locking arrangement (302);
attaching (906) a lever (110) to a replaceable coupling assembly;
exerting (908) force on the lever (110) to lift the tyre of the vehicle off the ground; and
pivoting (910) a front caster wheel (104-2) and two rear wheels (104-2) to move the vehicle.