Suspension Technology for Enhanced Stability and Performance
Legal Citation
Summary of the Inventive Concept
This inventive concept leverages the core technology of wheelchair suspension to develop novel solutions for diverse industries, including shipping, offshore oil rigs, fitness, autonomous farming, and seismic isolation.
Background and Problem Solved
The original patent addressed the limitations of traditional wheelchairs in traversing obstacles and providing independence for users. However, the core suspension technology has broader applicability, particularly in industries where shock absorption, vibration reduction, and stability are crucial.
Detailed Description of the Inventive Concept
The new claims introduce innovative applications of suspension technology, including: (1) stabilizing cargo in shipping containers, (2) reducing fatigue in offshore oil rig workers, (3) creating a modular exercise system for fitness centers, (4) developing an autonomous farming system, and (5) protecting critical infrastructure from earthquake damage. Each application leverages the suspension technology to absorb shocks, reduce vibrations, and enhance stability, thereby improving performance and safety.
Novelty and Inventive Step
The inventive step lies in recognizing the potential of suspension technology beyond wheelchairs and applying it to novel industries and use cases, where the benefits of shock absorption and vibration reduction are critical. The new claims introduce non-obvious solutions that depart from the original patent's scope.
Alternative Embodiments and Variations
Alternative embodiments may include variations in suspension design, material selection, and component integration. For example, the suspension system could be adapted for use in aerospace, heavy machinery, or construction equipment, further expanding the technology's reach.
Potential Commercial Applications and Market
This inventive concept has significant commercial potential across multiple industries, including shipping, oil and gas, fitness, agriculture, and construction. The market demand for enhanced stability and performance solutions is substantial, and the suspension technology's adaptability ensures broad appeal and opportunities for growth.
CPC Classifications
| Section | Class | Group |
|---|---|---|
| A | A61 | A61G5/10 |
| A | A61 | A61G5/04 |
| A | A61 | A61G5/042 |
| A | A61 | A61G5/043 |
| A | A61 | A61G5/06 |
| A | A61 | A61G5/1078 |
| A | A61 | A61G5/1089 |
| B | B60 | B60G2300/24 |
| Y | Y10 | Y10S180/907 |
Section 103 Obviousness Analysis (PHOSITA)
Field of Art
Mobility assistive technology, mechanical suspension systems, and adaptive transportation engineering, with expertise in wheelchair design, shock absorption mechanisms, and adaptive mechanical interfaces
Person of Ordinary Skill (PHOSITA) Profile
A mechanical engineer with 5-7 years experience in assistive technology, biomechanical design, and suspension systems, possessing advanced knowledge of material science, mechanical coupling techniques, and adaptive engineering principles
Obviousness Rationale
A PHOSITA would recognize that the fundamental suspension technology disclosed in the source patent represents a generalizable mechanical solution for shock absorption and stability that can be readily adapted across multiple technical domains. The core principles of vibration dampening, load distribution, and mechanical coupling are universally applicable beyond wheelchair design. The PTD demonstrates predictable extensions of the source patent's core suspension technology by applying identical engineering principles to different contextual environments.
Obvious Combinations & Variations
Original Patent Information
| Patent Number | US 11,857,470 |
|---|---|
| Title | Wheelchair suspension |
| Assignee(s) | INVACARE CORPORATION |