1. A foldable wheelchair, comprising: a frame structure with interconnected horizontal and vertical members; a pair of main wheels pivotally connected to said frame structure; a pair of secondary wheels attached to said frame structure; a seat and backrest configured to fold with the frame structure; and a hinge mechanism integrated with said frame structure, allowing the wheelchair to transition between an unfolded operational state and a folded compact state.

2. The foldable wheelchair of claim 1, wherein the hinge mechanism further comprises: locking features to securely retain the wheelchair in its unfolded operational state; and a quick-release button facilitating the transition to the folded compact state.

3. The foldable wheelchair of claim 1, further comprising: telescopic armrests configured to adjust in length and retract during the folding process; footrests that are detachable and have storage positions on the wheelchair in its folded state; and a cushioning system integrated with the seat and backrest for enhanced user comfort.

4. The foldable wheelchair of claim 1, wherein the frame structure is constructed from lightweight, durable material selected from a group consisting of aluminium, titanium, and carbon fibre composites.

5. The foldable wheelchair of claim 1, further comprising: a handle mechanism on the frame structure, facilitating carrying when the wheelchair is in its folded compact state; a storage compartment integrated into the backrest for personal items; and brake controls accessible from both the seated position and the rear of the wheelchair for caregiver operation.

6. A method for transitioning a wheelchair between operational and compact states, the method comprising: activating the hinge mechanism on the wheelchair frame; collapsing the seat and backrest in coordination with the hinge mechanism; retracting telescopic armrests if present; and securing the wheelchair in its folded compact state using locking features.

7. The method of claim 6, further comprising: detaching footrests from their operational position; storing said footrests onto designated storage positions on the wheelchair in its folded state; and engaging brake controls to prevent unintended movement during the transition process.

8. The method of claim 6, wherein activating the hinge mechanism further involves: pressing a quick-release button to disengage locking features; and applying gentle pressure to initiate the folding process.

9. The method of claim 6, further comprising: utilizing the handle mechanism to transport the wheelchair in its folded compact state; accessing personal items from a storage compartment integrated into the backrest; and adjusting the length of telescopic armrests prior to retraction for optimal user comfort.

10. The method of claim 6, further comprising: conducting a safety check to ensure all components are securely locked before transitioning the wheelchair to its operational state; and positioning the footrests in their operational state, ensuring they are securely attached before use. FOLDABLE WHEELCHAIR Abstract The disclosed invention presents a novel foldable wheelchair, reimagining mobility solutions. The wheelchair is defined by a robust frame structure comprising interconnected horizontal and vertical members, ensuring structural integrity. A pair of main wheels pivotally attached to the frame structure empowers versatile movement, while a pair of secondary wheels further enhances stability. The wheelchair features a seamlessly integrated seat and backrest designed to fold harmoniously with the frame structure. At the heart of its functionality is an ingenious hinge mechanism integrated with the frame structure, enabling effortless transitioning between an unfolded operational state and a compact folded state. This foldable wheelchair stands as a breakthrough innovation, fusing practicality, efficiency, and space-saving design to redefine mobility and convenience for users. , Claims:Claims :

1. A foldable wheelchair, comprising: a frame structure with interconnected horizontal and vertical members; a pair of main wheels pivotally connected to said frame structure; a pair of secondary wheels attached to said frame structure; a seat and backrest configured to fold with the frame structure; and a hinge mechanism integrated with said frame structure, allowing the wheelchair to transition between an unfolded operational state and a folded compact state.

2. The foldable wheelchair of claim 1, wherein the hinge mechanism further comprises: locking features to securely retain the wheelchair in its unfolded operational state; and a quick-release button facilitating the transition to the folded compact state.

3. The foldable wheelchair of claim 1, further comprising: telescopic armrests configured to adjust in length and retract during the folding process; footrests that are detachable and have storage positions on the wheelchair in its folded state; and a cushioning system integrated with the seat and backrest for enhanced user comfort.

4. The foldable wheelchair of claim 1, wherein the frame structure is constructed from lightweight, durable material selected from a group consisting of aluminium, titanium, and carbon fibre composites.

5. The foldable wheelchair of claim 1, further comprising: a handle mechanism on the frame structure, facilitating carrying when the wheelchair is in its folded compact state; a storage compartment integrated into the backrest for personal items; and brake controls accessible from both the seated position and the rear of the wheelchair for caregiver operation.

6. A method for transitioning a wheelchair between operational and compact states, the method comprising: activating the hinge mechanism on the wheelchair frame; collapsing the seat and backrest in coordination with the hinge mechanism; retracting telescopic armrests if present; and securing the wheelchair in its folded compact state using locking features.

7. The method of claim 6, further comprising: detaching footrests from their operational position; storing said footrests onto designated storage positions on the wheelchair in its folded state; and engaging brake controls to prevent unintended movement during the transition process.

8. The method of claim 6, wherein activating the hinge mechanism further involves: pressing a quick-release button to disengage locking features; and applying gentle pressure to initiate the folding process.

9. The method of claim 6, further comprising: utilizing the handle mechanism to transport the wheelchair in its folded compact state; accessing personal items from a storage compartment integrated into the backrest; and adjusting the length of telescopic armrests prior to retraction for optimal user comfort.

10. The method of claim 6, further comprising: conducting a safety check to ensure all components are securely locked before transitioning the wheelchair to its operational state; and positioning the footrests in their operational state, ensuring they are securely attached before use.

Description:FOLDABLE WHEELCHAIR
Field of the Invention
[0001] The present invention broadly pertains to medical assistive devices designed to enhance mobility for individuals with physical limitations or disabilities. Specifically, the invention relates to a foldable wheelchair characterized by its unique structural design and mechanisms that allow for quick and efficient folding and unfolding. This innovative wheelchair emphasizes compactness when folded, ease of transport, and user-friendly operation, ensuring that users can seamlessly transition between mobility and storage. The design aims to offer individuals greater independence and flexibility in various environments, from daily activities to travel scenarios.
Background
[0002] The background description includes information that may be useful in understanding the present invention. It is not an admission that any of the information provided herein is prior art or relevant to the presently claimed invention, or that any publication specifically or implicitly referenced is prior art.
[0003] Wheelchairs play a crucial role in providing mobility and independence to individuals with mobility impairments. While traditional wheelchairs are effective, the need for increased portability, convenience, and storage efficiency has driven the development of foldable wheelchairs. Foldable wheelchairs offer the advantage of compactness, making them suitable for travel, transportation, and storage in constrained spaces. These innovative designs combine functionality with convenience, catering to the diverse needs of wheelchair users.
[0004] Traditional rigid frame wheelchairs were among the earliest designs. While they provided stability and durability, they were not easily foldable, making transportation and storage challenging. These wheelchairs often required disassembly or bulky add-ons to be more compact, which limited their practicality.
[0005] One of the early advancements in foldable wheelchair design was the introduction of collapsible cross-frame wheelchairs. These wheelchairs featured an X-shaped frame that allowed them to fold into a more compact form. They were relatively easy to fold and unfold, but their designs were still bulky compared to more modern foldable wheelchairs.
[0006] A-frame foldable wheelchairs took the concept of collapsible frames further by using an A-shaped frame design. These wheelchairs could fold into a narrower profile, making them more suitable for storage in tight spaces and transportation in vehicles. However, they still had limitations in terms of overall portability and ease of use.
[0007] The evolution of foldable wheelchairs saw the development of various folding mechanisms to simplify the folding process. Some designs incorporated single-action folding mechanisms that allowed users to quickly fold and unfold the wheelchair without requiring complex maneuvers.
[0008] Ultralight foldable wheelchairs emerged as a response to the demand for lightweight and easily portable options. These wheelchairs are constructed using lightweight materials such as aluminum or carbon fiber, reducing overall weight while maintaining structural integrity. The combination of foldability and reduced weight enhances their usability and portability.
[0009] Another approach to foldable wheelchairs involves designs with detachable components. These wheelchairs allow users to disassemble specific parts, such as the wheels or seat, to create a more compact form for storage or transport. While not traditional "folding" mechanisms, these designs offer flexibility in managing space constraints.
[00010] Modern foldable wheelchair designs prioritize not only portability but also ergonomic features for enhanced user comfort. These designs incorporate adjustable backrests, armrests, and footrests to accommodate individual preferences and promote proper seating posture.
[00011] Recent innovations have extended to powered foldable wheelchairs, providing mobility assistance without sacrificing the convenience of foldability. These motorized wheelchairs can be folded or unfolded at the touch of a button, offering users a high degree of independence and ease of use.
[00012] Emerging designs incorporate smart folding systems that utilize sensors and automation to aid in the folding and unfolding process. These systems enhance user experience by minimizing manual effort and ensuring proper folding alignment.
[00013] In summary, the evolution of foldable wheelchairs has been driven by the need for enhanced portability, convenience, and user-centric design. From collapsible cross-frame wheelchairs to ultralight and powered foldable designs, these innovations have transformed the wheelchair landscape, offering users greater flexibility in navigating their environments and promoting active lifestyles.
[00014] All references, including publications, patent applications, and patents, cited herein are hereby incorporated by reference to the same extent as if each reference were individually and specifically indicated to be incorporated by reference and were set forth in its entirety herein.
[00015] It also shall be noted that as used herein and in the appended claims, the singular forms “a”, “an”, and “the” include plural referents unless the context clearly dictates otherwise. This invention can be achieved by means of hardware including several different elements or by means of a suitably programmed computer. In the unit claims that list several means, several ones among these means can be specifically embodied in the same hardware item. The use of such words as first, second, third does not represent any order, which can be simply explained as names.
Summary
[00016] The following presents a simplified summary of various aspects of this disclosure in order to provide a basic understanding of such aspects. This summary is not an extensive overview of all contemplated aspects, and is intended to neither identify key or critical elements nor delineate the scope of such aspects. Its purpose is to present some concepts of this disclosure in a simplified form as a prelude to the more detailed description that is presented later.
[00017] The following paragraphs provide additional support for the claims of the subject application.
[00018] The present invention broadly pertains to medical assistive devices designed to enhance mobility for individuals with physical limitations or disabilities. Specifically, the invention relates to a foldable wheelchair characterized by its unique structural design and mechanisms that allow for quick and efficient folding and unfolding. This innovative wheelchair emphasizes compactness when folded, ease of transport, and user-friendly operation, ensuring that users can seamlessly transition between mobility and storage. The design aims to offer individuals greater independence and flexibility in various environments, from daily activities to travel scenarios.
[00019] Described herein a foldable wheelchair which introduces a groundbreaking solution in mobility aid design by combining functionality, convenience, and versatility. With a meticulously engineered frame structure and thoughtful features, this wheelchair transforms the user's experience.
[00020] At its core, the wheelchair boasts an innovative frame structure that interconnects horizontal and vertical members. This framework provides a robust foundation for the wheelchair's functionality. The main wheels, pivotally connected to the frame, enable smooth movement, while secondary wheels add stability and balance.
[00021] A key feature is the ability of the wheelchair to seamlessly transition between an unfolded operational state and a folded compact state. This transformation is facilitated by an integrated hinge mechanism that ensures easy and efficient folding. To retain the wheelchair in its unfolded operational state, locking features are incorporated. For quick folding, a convenient quick-release button streamlines the process.
[00022] The wheelchair's design extends to user comfort and customization. Telescopic armrests offer adjustable lengths and retract during folding, optimizing the folding process. Detachable footrests conveniently find storage positions when the wheelchair is in its folded state. A cushioning system integrated with the seat and backrest enhances user comfort throughout their journey.
[00023] Constructed from lightweight yet durable materials such as aluminum, titanium, or carbon fiber composites, the frame structure ensures both stability and portability. This balance between strength and weight enables users to easily maneuver the wheelchair without sacrificing structural integrity.
[00024] In addition to its core features, the wheelchair offers a range of thoughtful additions. A handle mechanism facilitates carrying when the wheelchair is in its compact state, ensuring easy transport and storage. A storage compartment integrated into the backrest allows users to conveniently carry personal items. Brake controls, accessible from both the seated position and the rear of the wheelchair, empower caregivers to navigate and control the wheelchair effectively.
[00025] In summary, the foldable wheelchair redefines mobility aids by introducing a well-designed, versatile, and user-centric solution. Its innovative frame structure, seamless folding mechanism, customizable features, and thoughtful additions combine to enhance the user's experience and accessibility. This wheelchair not only empowers individuals with enhanced mobility but also simplifies transportation and storage, making it an exceptional choice for those seeking a modern and efficient mobility solution.
[00026] The method for seamlessly transitioning a wheelchair between its operational and compact states introduces a streamlined process that enhances mobility and convenience for users. This method combines intuitive steps with thoughtful features to ensure a smooth experience.
[00027] The process begins by activating the hinge mechanism integrated into the wheelchair frame. This pivotal step initiates the transition by preparing the wheelchair for folding. As part of the process, the seat and backrest are collapsed in coordination with the hinge mechanism. This synchronized movement optimizes the folding process and minimizes effort.
[00028] If equipped, telescopic armrests are then retracted, contributing to the compactness of the folded wheelchair. The method emphasizes user comfort by allowing armrest length adjustments before retraction, catering to individual preferences.
[00029] To secure the wheelchair in its folded compact state, locking features are engaged. These features guarantee the stability and safety of the folded wheelchair, preventing accidental unfolding during transportation and storage.
[00030] The method also considers user convenience during the folding process. Detaching footrests from their operational position and storing them in designated storage positions on the folded wheelchair is incorporated for efficiency. This feature, along with engaging brake controls to prevent unintended movement, ensures a controlled and secure transition.
[00031] Activating the hinge mechanism is further simplified by a quick-release button, which disengages locking features with a single press. Gentle pressure is applied to initiate the folding process, streamlining the operation.
[00032] To enhance portability, the wheelchair is equipped with a handle mechanism for easy transportation in its compact state. Additionally, a storage compartment integrated into the backrest offers quick access to personal items, eliminating the need for external storage solutions.
[00033] Safety measures are integrated into the method to ensure a secure transition. A comprehensive safety check verifies that all components are securely locked before transitioning the wheelchair to its operational state. Footrests are positioned in their operational state, ensuring they are securely attached for use.
[00034] In summary, the method for transitioning a wheelchair between operational and compact states offers an efficient, user-friendly process that optimizes mobility and convenience. By combining steps such as activating the hinge mechanism, collapsing the seat and backrest, retracting armrests, and securing locking features, the method ensures a seamless transition. The incorporation of user-centric features such as quick-release buttons, footrest detachment, brake controls, and a handle mechanism adds to the overall ease of use. Safety checks and secure component positioning underscore the method's commitment to user well-being and accessibility.
Brief Description of the Drawings
[00035] The features and advantages of the present disclosure would be more clearly understood from the following description taken in conjunction with the accompanying drawings in which:
[00036] FIG. 1 represents an architectural overview of a foldable wheelchair, according to some embodiments of the present disclosure.
[00037] FIG. 2 shows an exemplary detailed schematic flow diagram of a method for transitioning a wheelchair between operational and compact states, according to some embodiments of the present disclosure.
Detailed Description
[00038] In the following detailed description of the invention, reference is made to the accompanying drawings that form a part hereof, and in which is shown, by way of illustration, specific embodiments in which the invention may be practiced. In the drawings, like numerals describe substantially similar components throughout the several views. These embodiments are described in sufficient detail to claim those skilled in the art to practice the invention. Other embodiments may be utilized and structural, logical, and electrical changes may be made without departing from the scope of the present invention. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the present invention is defined only by the appended claims and equivalents thereof.
[00039] The use of the terms “a” and “an” and “the” and “at least one” and similar referents in the context of describing the invention (especially in the context of the following claims) are to be construed to cover both the singular and the plural, unless otherwise indicated herein or clearly contradicted by context. The use of the term “at least one” followed by a list of one or more items (for example, “at least one of A and B”) is to be construed to mean one item selected from the listed items (A or B) or any combination of two or more of the listed items (A and B), unless otherwise indicated herein or clearly contradicted by context. The terms “comprising,” “having,” “including,” and “containing” are to be construed as open-ended terms (i.e., meaning “including, but not limited to,”) unless otherwise noted. Recitation of ranges of values herein are merely intended to serve as a shorthand method of referring individually to each separate value falling within the range, unless otherwise indicated herein, and each separate value is incorporated into the specification as if it were individually recited herein. All methods described herein can be performed in any suitable order unless otherwise indicated herein or otherwise clearly contradicted by context. The use of any and all examples, or exemplary language (e.g., “such as”) provided herein, is intended merely to better illuminate the invention and does not pose a limitation on the scope of the invention unless otherwise claimed. No language

in the specification should be construed as indicating any non-claimed element as essential to the practice of the invention.
[00040] Pursuant to the "Detailed Description" section herein, whenever an element is explicitly associated with a specific numeral for the first time, such association shall be deemed consistent and applicable throughout the entirety of the "Detailed Description" section, unless otherwise expressly stated or contradicted by the context.
[00041] The present invention broadly pertains to medical assistive devices designed to enhance mobility for individuals with physical limitations or disabilities. Specifically, the invention relates to a foldable wheelchair characterized by its unique structural design and mechanisms that allow for quick and efficient folding and unfolding. This innovative wheelchair emphasizes compactness when folded, ease of transport, and user-friendly operation, ensuring that users can seamlessly transition between mobility and storage. The design aims to offer individuals greater independence and flexibility in various environments, from daily activities to travel scenarios.
[00042] Pursuant to the "Detailed Description" section herein, whenever an element is explicitly associated with a specific numeral for the first time, such association shall be deemed consistent and applicable throughout the entirety of the "Detailed Description" section, unless otherwise expressly stated or contradicted by the context.
[00043] Modern wheelchair design has evolved to address the diverse needs of users while prioritizing mobility, convenience, and comfort. The description explores the design and features of an innovative foldable wheelchair 100, showcasing how its components, mechanisms, and additional functionalities contribute to an optimal user experience.
[00044] According to a pictorial portrayal in FIG. 1, illustrating an architectural setup of the cutting-edge foldable wheelchair 100, designed to provide enhanced mobility and convenience for users. The wheelchair's components, including the frame structure 102, a pair of main wheels 104 pivotally connected to said frame structure, a pair of secondary wheels 106 attached to said frame structure, a seat and backrest 108 configured to fold with the frame structure, and a hinge mechanism 110 integrated with said frame structure, allowing the wheelchair to transition between an unfolded operational state and a folded compact state.
[00045] Additional features such as locking systems, telescopic armrests, detachable footrests, and user comfort enhancements, are meticulously explored. The material composition of the frame and the integration of practical elements like handle mechanisms, storage compartments, and accessible brake controls contribute to a holistic and user-centric design. Through a series of real-world examples, this comprehensive disclosure demonstrates the functional and ergonomic advantages of this innovative foldable wheelchair.
[00046] In yet another embodiment, the foldable wheelchair's foundation is its frame structure, carefully crafted with interconnected horizontal and vertical members. This frame provides structural integrity and support while allowing the wheelchair to be easily folded and unfolded. A pair of main wheels and secondary wheels are pivotally attached to the frame structure. The main wheels facilitate propulsion and steering, while the secondary wheels aid stability.
[00047] A pivotal element of this design is the hinge mechanism, which allows the wheelchair to transition seamlessly between an unfolded operational state and a compact folded state. This mechanism includes locking features that securely retain the wheelchair in its unfolded operational state, preventing unintended folding. To transition to the folded state, a quick-release button is incorporated, enabling users to effortlessly fold the wheelchair for storage or transport.
[00048] To enhance user comfort and accommodate different body sizes, the foldable wheelchair features telescopic armrests that can be adjusted in length. During the folding process, these armrests retract, contributing to the compactness of the folded wheelchair. The wheelchair also incorporates detachable footrests that can be stored conveniently on the wheelchair in its folded state, minimizing the need for separate storage.
[00049] In yet another embodiment, the comfort of the user is of paramount importance. Therefore, a cushioning system is integrated into the seat and backrest of the wheelchair. This cushioning enhances user comfort during extended periods of use and reduces discomfort caused by prolonged seating. The frame structure of the foldable wheelchair is constructed from lightweight yet durable materials such as aluminum, titanium, and carbon fiber composites. This material choice ensures the wheelchair's sturdiness while keeping its weight manageable, making it easier for users to maneuver and transport the wheelchair.
[00050] In yet another embodiment, the handle mechanism is thoughtfully integrated into the frame structure, facilitating easy carrying when the wheelchair is in its folded compact state. This handle adds to the overall convenience of transporting the wheelchair. The wheelchair also includes a storage compartment integrated into the backrest, providing a secure space for users to keep personal items. To ensure caregiver operation, brake controls are accessible from both the seated position and the rear of the wheelchair, offering flexibility and safety. For instance, consider a scenario where a foldable wheelchair user commutes in a crowded urban setting. The compact fold of the wheelchair enables easy navigation through crowded spaces, and the lightweight design makes it manageable to carry when needed. The cushioning system ensures comfort during extended periods of use.
[00051] During travel, the foldable wheelchair's quick-release button allows seamless transition between operational and folded states, aiding efficient check-ins and storage on vehicles. Detachable footrests and telescopic armrests contribute to the compactness, while the integrated handle simplifies transportation. For caregivers, the accessible brake controls from both the rear and seated positions offer greater control and safety. The storage compartment in the backrest conveniently stores essential items, reducing the need for additional bags.
[00052] The design and features of the foldable wheelchair 100 showcased in this article epitomize innovation in mobility and convenience. Through meticulous attention to components, mechanisms, materials, and additional functionalities, this foldable wheelchair offers a holistic solution that empowers users to navigate their environments with ease and comfort. The real-world examples illustrate how this design addresses various user needs and scenarios, solidifying its potential to enhance mobility, convenience, and overall quality of life.
[00053] This disclosure presents embodiments illustrating a revolutionary method 200 for seamlessly transitioning a wheelchair between operational and compact states. Figuratively depicted in FIG. 2, representing a flow diagram of the method 200 encompasses steps of (at step 202) activating the hinge mechanism, (at step 204) collapsing the seat and backrest, (at step 206) retracting telescopic armrests, and (at step 208) securing the wheelchair using locking features. The embodiments delve into the specifics of footrest detachment, engagement of brake controls, quick-release button utilization, handle mechanism operation, storage compartment access, telescopic armrest adjustment, safety checks, and proper footrest positioning. Through real-world examples, this comprehensive article demonstrates the innovative and ergonomic advantages of this novel method.
[00054] Wheelchair mobility is a cornerstone of independence for many individuals with mobility challenges. This disclosure unveils embodiments detailing a method that seamlessly transitions a wheelchair between its operational and compact states, ensuring convenience, efficiency, and user-friendliness. The method 200 commences by activating the hinge mechanism situated on the wheelchair frame. This mechanism is designed to facilitate effortless folding. Upon activation, the seat and backrest are coordinated to collapse gracefully, aligning with the wheelchair's compact state.
[00055] If the wheelchair incorporates telescopic armrests, they are retracted to further enhance the compactness of the folded state. Subsequently, the method involves securing the wheelchair in its folded compact state using locking features. These features ensure that the wheelchair remains stable and securely folded during transport or storage.
[00056] This embodiment enhances user convenience by encompassing the detachment of footrests from their operational positions. These footrests are then stored on designated storage positions on the wheelchair in its folded state. This minimizes the need for separate footrest storage and streamlines the transition process. Prior to initiating the transition, brake controls are engaged to prevent unintended movement during the process. Safety is paramount, and to ensure a secure transition, a safety check is conducted to confirm that all components are securely locked. This guarantees that the wheelchair is properly positioned in its compact state, ready for transport or storage.
[00057] In yet another embodiment, the method 200 incorporates a quick-release button as part of the hinge mechanism activation process. Pressing this button disengages locking features, facilitating a smooth folding process. Furthermore, a handle mechanism is integrated into the wheelchair frame. This mechanism allows users to carry the wheelchair conveniently when it is in its folded compact state. To enhance user convenience, the method integrates a storage compartment into the backrest. Users can access personal items stored within this compartment. Additionally, if the wheelchair includes telescopic armrests, users can adjust the armrest length for optimal comfort before initiating retraction.
[00058] As the wheelchair transitions back to its operational state, proper positioning of the footrests is imperative. The method 200 entails positioning the footrests in their operational state, ensuring they are securely attached before use. This step guarantees user safety and comfort during operation. For instance, consider a user of the foldable wheelchair needing to board public transportation. The method's seamless transition allows the user to fold the wheelchair effortlessly, secure it using locking features, and engage brake controls. The compact folded state is convenient to maneuver in crowded areas and to stow on transportation vehicles.
[00059] In a home environment, the method's ergonomic design aids in transitioning the wheelchair from its operational state to a compact form. The quick-release button simplifies the folding process, while the handle mechanism makes it easy to carry and store the folded wheelchair. Detaching and storing footrests adds to the compactness of the folded state, facilitating efficient storage.
[00060] For caregivers or healthcare professionals assisting wheelchair users, the method's safety checks and secure locking features ensure that the wheelchair is ready for use. Additionally, the storage compartment provides a convenient space for users to access personal items, eliminating the need for separate storage bags.
[00061] The embodiments presented in this article exemplify a method 200 that transforms wheelchair mobility. Through meticulous attention to components, mechanisms, safety, and convenience, this method streamlines the transition between operational and compact states. The real-world examples illustrate how this method addresses diverse user needs and scenarios, reinforcing its potential to revolutionize the wheelchair experience.
[00062] Example embodiments herein have been described above with reference to block diagrams and flowchart illustrations of methods and apparatuses. It will be understood that each block of the block diagrams and flowchart illustrations, and combinations of blocks in the block diagrams and flowchart illustrations, respectively, can be implemented by various means including hardware, software, firmware, and a combination thereof. For example, in one embodiment, each block of the block diagrams and flowchart illustrations, and combinations of blocks in the block diagrams and flowchart illustrations can be implemented by computer program instructions. These computer program instructions may be loaded onto a general purpose computer, special purpose computer, or other programmable data processing apparatus to produce a machine, such that the instructions which execute on the computer or other programmable data processing apparatus create means for implementing the functions specified in the flowchart block or blocks.
[00063] Throughout the present disclosure, the term ‘Artificial intelligence (AI)’ as used herein relates to any mechanism or computationally intelligent system that combines knowledge, techniques, and methodologies for controlling a bot or other element within a computing environment. Furthermore, the artificial intelligence (AI) is configured to apply knowledge and that can adapt it-self and learn to do better in changing environments. Additionally, employing any computationally intelligent technique, the artificial intelligence (AI) is operable to adapt to unknown or changing environment for better performance. The artificial intelligence (AI) includes fuzzy logic engines, decision-making engines, preset targeting accuracy levels, and/or programmatically intelligent software.
[00064] Throughout the present disclosure, the term ‘processing means’ or ‘microprocessor’ or ‘processor’ or ‘processors’ includes, but is not limited to, a general purpose processor (such as, for example, a complex instruction set computing (CISC) microprocessor, a reduced instruction set computing (RISC) microprocessor, a very long instruction word (VLIW) microprocessor, a microprocessor implementing other types of instruction sets, or a microprocessor implementing a combination of types of instruction sets) or a specialized processor (such as, for example, an application specific integrated circuit (ASIC), a field programmable gate array (FPGA), a digital signal processor (DSP), or a network processor).
[00065] The term “non-transitory storage device” or “storage” or “memory,” as used herein relates to a random access memory, read only memory and variants thereof, in which a computer can store data or software for any duration.
[00066] Operations in accordance with a variety of aspects of the disclosure is described above would not have to be performed in the precise order described. Rather, various steps can be handled in reverse order or simultaneously or not at all.
[00067] While several implementations have been described and illustrated herein, a variety of other means and/or structures for performing the function and/or obtaining the results and/or one or more of the advantages described herein may be utilized, and each of such variations and/or modifications is deemed to be within the scope of the implementations described herein. More generally, all parameters, dimensions, materials, and configurations described herein are meant to be exemplary and that the actual parameters, dimensions, materials, and/or configurations will depend upon the specific application or applications for which the teachings is/are used. Those skilled in the art will recognize, or be able to ascertain using no more than routine experimentation, many equivalents to the specific implementations described herein. It is, therefore, to be understood that the foregoing implementations are presented by way of example only and that, within the scope of the appended claims and equivalents thereto, implementations may be practiced otherwise than as specifically described and claimed. Implementations of the present disclosure are directed to each individual feature, system, article, material, kit, and/or method described herein. In addition, any combination of two or more such features, systems, articles, materials, kits, and/or methods, if such features, systems, articles, materials, kits, and/or methods are not mutually inconsistent, is included within the scope of the present disclosure.

Claims
I/We Claim:
1. A foldable wheelchair, comprising: a frame structure with interconnected horizontal and vertical members; a pair of main wheels pivotally connected to said frame structure; a pair of secondary wheels attached to said frame structure; a seat and backrest configured to fold with the frame structure; and a hinge mechanism integrated with said frame structure, allowing the wheelchair to transition between an unfolded operational state and a folded compact state.
2. The foldable wheelchair of claim 1, wherein the hinge mechanism further comprises: locking features to securely retain the wheelchair in its unfolded operational state; and a quick-release button facilitating the transition to the folded compact state.
3. The foldable wheelchair of claim 1, further comprising: telescopic armrests configured to adjust in length and retract during the folding process; footrests that are detachable and have storage positions on the wheelchair in its folded state; and a cushioning system integrated with the seat and backrest for enhanced user comfort.
4. The foldable wheelchair of claim 1, wherein the frame structure is constructed from lightweight, durable material selected from a group consisting of aluminium, titanium, and carbon fibre composites.
5. The foldable wheelchair of claim 1, further comprising: a handle mechanism on the frame structure, facilitating carrying when the wheelchair is in its folded compact state; a storage compartment integrated into the backrest for personal items; and brake controls accessible from both the seated position and the rear of the wheelchair for caregiver operation.
6. A method for transitioning a wheelchair between operational and compact states, the method comprising: activating the hinge mechanism on the wheelchair frame; collapsing the seat and backrest in coordination with the hinge mechanism; retracting telescopic armrests if present; and securing the wheelchair in its folded compact state using locking features.
7. The method of claim 6, further comprising: detaching footrests from their operational position; storing said footrests onto designated storage positions on the wheelchair in its folded state; and engaging brake controls to prevent unintended movement during the transition process.
8. The method of claim 6, wherein activating the hinge mechanism further involves: pressing a quick-release button to disengage locking features; and applying gentle pressure to initiate the folding process.
9. The method of claim 6, further comprising: utilizing the handle mechanism to transport the wheelchair in its folded compact state; accessing personal items from a storage compartment integrated into the backrest; and adjusting the length of telescopic armrests prior to retraction for optimal user comfort.
10. The method of claim 6, further comprising: conducting a safety check to ensure all components are securely locked before transitioning the wheelchair to its operational state; and positioning the footrests in their operational state, ensuring they are securely attached before use.

FOLDABLE WHEELCHAIR
Abstract
The disclosed invention presents a novel foldable wheelchair, reimagining mobility solutions. The wheelchair is defined by a robust frame structure comprising interconnected horizontal and vertical members, ensuring structural integrity. A pair of main wheels pivotally attached to the frame structure empowers versatile movement, while a pair of secondary wheels further enhances stability. The wheelchair features a seamlessly integrated seat and backrest designed to fold harmoniously with the frame structure. At the heart of its functionality is an ingenious hinge mechanism integrated with the frame structure, enabling effortless transitioning between an unfolded operational state and a compact folded state. This foldable wheelchair stands as a breakthrough innovation, fusing practicality, efficiency, and space-saving design to redefine mobility and convenience for users. , Claims:Claims
I/We Claim:
1. A foldable wheelchair, comprising: a frame structure with interconnected horizontal and vertical members; a pair of main wheels pivotally connected to said frame structure; a pair of secondary wheels attached to said frame structure; a seat and backrest configured to fold with the frame structure; and a hinge mechanism integrated with said frame structure, allowing the wheelchair to transition between an unfolded operational state and a folded compact state.
2. The foldable wheelchair of claim 1, wherein the hinge mechanism further comprises: locking features to securely retain the wheelchair in its unfolded operational state; and a quick-release button facilitating the transition to the folded compact state.
3. The foldable wheelchair of claim 1, further comprising: telescopic armrests configured to adjust in length and retract during the folding process; footrests that are detachable and have storage positions on the wheelchair in its folded state; and a cushioning system integrated with the seat and backrest for enhanced user comfort.
4. The foldable wheelchair of claim 1, wherein the frame structure is constructed from lightweight, durable material selected from a group consisting of aluminium, titanium, and carbon fibre composites.
5. The foldable wheelchair of claim 1, further comprising: a handle mechanism on the frame structure, facilitating carrying when the wheelchair is in its folded compact state; a storage compartment integrated into the backrest for personal items; and brake controls accessible from both the seated position and the rear of the wheelchair for caregiver operation.
6. A method for transitioning a wheelchair between operational and compact states, the method comprising: activating the hinge mechanism on the wheelchair frame; collapsing the seat and backrest in coordination with the hinge mechanism; retracting telescopic armrests if present; and securing the wheelchair in its folded compact state using locking features.
7. The method of claim 6, further comprising: detaching footrests from their operational position; storing said footrests onto designated storage positions on the wheelchair in its folded state; and engaging brake controls to prevent unintended movement during the transition process.
8. The method of claim 6, wherein activating the hinge mechanism further involves: pressing a quick-release button to disengage locking features; and applying gentle pressure to initiate the folding process.
9. The method of claim 6, further comprising: utilizing the handle mechanism to transport the wheelchair in its folded compact state; accessing personal items from a storage compartment integrated into the backrest; and adjusting the length of telescopic armrests prior to retraction for optimal user comfort.
10. The method of claim 6, further comprising: conducting a safety check to ensure all components are securely locked before transitioning the wheelchair to its operational state; and positioning the footrests in their operational state, ensuring they are securely attached before use.