Specialized Wheelchair Systems for Unique Operational Environments
Legal Citation
Summary of the Inventive Concept
The present disclosure relates to wheelchair systems adapted for specific, narrow markets or unique operational environments, such as high-security needs, disaster relief, extreme weather conditions, areas with limited accessibility, and high winds.
Background and Problem Solved
The original wheelchair patent provides a general design for a wheelchair, but it lacks specific features and adaptations for unique operational environments. The present inventive concept addresses this limitation by introducing specialized wheelchair systems that cater to the distinct needs of various niche markets.
Detailed Description of the Inventive Concept
The inventive concept comprises a range of wheelchair systems, each tailored to a specific operational environment. For high-security environments, the system includes a secure locking mechanism to prevent unauthorized detachment. For disaster relief, the system involves a method for securing the wheelchair in a vehicle. For extreme weather conditions, the system features a waterproof seat and corrosion-resistant body frame. For areas with limited accessibility, the system includes a retractable extension to facilitate access in narrow spaces. For high winds, the system incorporates a wind-resistant anchor.
Novelty and Inventive Step
The new claims introduce novel features and adaptations that are not obvious from the original patent. The inventive step lies in the specific combinations of components and mechanisms that address the unique challenges of each operational environment.
Alternative Embodiments and Variations
Alternative embodiments may include wheelchairs with adjustable seats for varying user needs, wheelchairs with integrated communication systems for emergency situations, or wheelchairs with modular components for easy customization and maintenance.
Potential Commercial Applications and Market
The inventive concept has significant commercial potential in various industries, including healthcare, emergency services, and accessibility solutions. The target markets include hospitals, rehabilitation centers, disaster relief organizations, and individuals with specific mobility needs.
CPC Classifications
| Section | Class | Group |
|---|---|---|
| A | A61 | A61G5/1067 |
| A | A61 | A61G3/02 |
| A | A61 | A61G3/0808 |
Section 103 Obviousness Analysis (PHOSITA)
Field of Art
Mobility Assistive Devices, specifically wheelchair design and vehicle integration systems, requiring expertise in mechanical engineering, ergonomics, and adaptive transportation technologies
Person of Ordinary Skill (PHOSITA) Profile
A mechanical engineer with 3-5 years experience in assistive device design, familiar with wheelchair adaptation techniques, vehicle integration standards, and user-specific mobility solutions
Obviousness Rationale
A PHOSITA would recognize that the PTD's variations represent predictable extensions of the source patent's core wheelchair-vehicle interface design. The disclosed environment-specific modifications represent standard engineering problem-solving techniques applied to wheelchair systems. Each variation addresses a known limitation in wheelchair functionality through straightforward mechanical adaptations that would be within the ordinary skill of a practitioner in mobility device engineering.
Obvious Combinations & Variations
Original Patent Information
| Patent Number | US 11,857,472 |
|---|---|
| Title | Wheelchair |
| Assignee(s) | MAZDA MOTOR CORPORATION |