Wheelchairs and wheeled vehicles devices
US8905420B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Jan 30, 2007 |
| Grant date | Dec 9, 2014 |
| Priority date | — |
| Expiry date | Apr 10, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/7026
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A wheelchair comprising: three or more ground-engaging wheels; and a user seat, the user seat forming a structural member or monocoque on which the ground-engaging wheels are supported; wherein at least one of the wheels is connected to the seat by a support member, the length of the support member being adjustable during use. Also provided is a wheelchair or other wheeled vehicle, wherein at least one ground-engaging wheel is connected to a pivotable hub, and the said wheel is adjustable. Also provided is a wheelchair, wherein a ground-engaging wheel on each side of the wheelchair is provided with a brake. Also provided is a wheelchair or other wheeled vehicle in which one or more ground-engaging wheels are provided with ratchet means. A coupling arrangement for releasably joining two structural members is also provided. Also provided is a wheelchair including a rear castor with a detent mechanism.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.