Next-Generation Wheelchair System

Publication ID: 24-11857472_0005_PTD
Published: October 28, 2025
Category:Future Evolutions & Paradigm Shifts

Legal Citation

pr1or.art Inc., “Next-Generation Wheelchair System,” Published Technical Disclosure No. 24-11857472_0005_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857472_0005_PTD
This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,857,472.

Summary of the Inventive Concept

The next-generation wheelchair system integrates advanced technologies to enhance user comfort, stability, and accessibility, revolutionizing the wheelchair industry.

Background and Problem Solved

The original patent's wheelchair design, while functional, has limitations in terms of user comfort, stability, and adaptability to changing terrain conditions. The next-generation wheelchair system addresses these limitations by incorporating self-balancing seats, adaptive wheel configurations, AI-powered ergonomic adjustment, and predictive maintenance.

Detailed Description of the Inventive Concept

The next-generation wheelchair system comprises a self-balancing seat that adjusts its inclination angle in real-time to optimize user comfort and stability. The adaptive wheel configuration adjusts to changing terrain conditions, ensuring optimal stability and comfort. The modular, interchangeable wheel assembly enables seamless integration with various vehicle types. The AI-powered ergonomic adjustment integrated into the seat back provides real-time comfort optimization. The predictive maintenance system, comprising a sensor array, data analytics module, and notification system, ensures proactive issue detection and resolution. The integrated augmented reality display provides users with real-time navigation assistance, accessibility information, and health monitoring data.

Novelty and Inventive Step

The next-generation wheelchair system's integration of advanced technologies, such as self-balancing seats, adaptive wheel configurations, AI-powered ergonomic adjustment, predictive maintenance, and augmented reality displays, provides a novel and non-obvious solution to the limitations of the original patent's design.

Alternative Embodiments and Variations

Alternative embodiments of the next-generation wheelchair system could include variations in wheel assembly design, AI-powered ergonomic adjustment algorithms, and augmented reality display interfaces. Additionally, the system could be adapted for use in various vehicle types, such as buses, trains, or airplanes.

Potential Commercial Applications and Market

The next-generation wheelchair system has significant commercial potential in the healthcare, transportation, and accessibility industries, providing a paradigm shift in wheelchair design and functionality.

CPC Classifications

SectionClassGroup
A A61 A61G5/1067
A A61 A61G3/02
A A61 A61G3/0808

Field of Art

Mobility Assistive Devices, specifically wheelchair design and vehicle integration technologies, requiring expertise in mechanical engineering, ergonomics, and adaptive mobility systems

Person of Ordinary Skill (PHOSITA) Profile

A mechanical engineer with 5-7 years experience in assistive mobility design, familiar with wheelchair biomechanics, vehicle accessibility standards, and adaptive technologies for users with mobility limitations

Obviousness Rationale

A PHOSITA would recognize that the PTD's advanced wheelchair features represent predictable technological extensions of the source patent's foundational wheelchair design. The incremental improvements in seat balancing, adaptive wheel configurations, and vehicle integration are logical progressions using known engineering techniques. The integration of sensor technologies and AI-driven adjustments represents a natural evolution of mobility assistive device design.

Obvious Combinations & Variations

Source Patent Element
Wheelchair with adjustable seat back and vehicle body structure engagement mechanism
PTD Variation
Self-balancing seat with real-time inclination adjustment and AI-powered ergonomic optimization
Obviousness Reasoning
A PHOSITA would recognize that automated seat adjustment is a predictable improvement over manual adjustment, utilizing standard control systems and sensor feedback loops
Source Patent Element
Wheelchair with push-along handle for vehicle integration
PTD Variation
Modular, interchangeable wheel assembly with vehicle type adaptation capabilities
Obviousness Reasoning
Adapting wheel configurations for different vehicle types represents a standard design optimization approach using known mechanical engineering principles
Source Patent Element
Wheelchair designed for user mobility and vehicle transportation
PTD Variation
Integrated augmented reality display providing navigation and health monitoring
Obviousness Reasoning
Incorporating digital interfaces and sensor-based information systems is a predictable technological enhancement for mobility assistive devices
Source Patent Element
Wheelchair with body frame and wheel support structure
PTD Variation
Adaptive wheel configuration that dynamically adjusts to terrain conditions
Obviousness Reasoning
Dynamic terrain adaptation represents a logical extension of existing wheelchair suspension and mobility technologies using standard sensor and actuator systems
Source Patent Element
Wheelchair designed for user support and transportation
PTD Variation
Predictive maintenance system with sensor array and data analytics module
Obviousness Reasoning
Implementing proactive maintenance monitoring is a standard engineering approach for complex mobility devices, utilizing well-established diagnostic technologies
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857472 and the comprehensive technical disclosure herein, a person of ordinary skill in the art would find the claimed wheelchair system variations obvious and non-patentable. The incremental technological improvements represent predictable extensions of existing wheelchair design principles, combining known techniques in adaptive mobility, sensor integration, and user interface technologies to achieve foreseeable results.

Original Patent Information

Patent NumberUS 11,857,472
TitleWheelchair
Assignee(s)MAZDA MOTOR CORPORATION