Manual wheelchair drive system
US7556274B2 · kind B2 · utility
3Cited by
10References
1Claims
0Family size
Inventor
Key dates
| Filing date | May 15, 2006 |
| Grant date | Jul 7, 2009 |
| Priority date | — |
| Expiry date | Sep 8, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62M1/24
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A system for providing a wheelchair user access to forward, neutral and reverse movement while maintaining a continuous grip, silent operation, and allowing for small rotational movements of the wheelchair wheel to be easily made. The system includes a one-way bearing which is attached to a wheelchair wheel such that the center of the one-way bearing is coaxial with the wheelchair wheel axle, a drive axle mounted through the center of said one-way bearing, and a drive rod.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.