Detachable electric drive unit for a wheelchair
US9358163B1 · kind B1 · utility
Inventor
Key dates
| Filing date | Aug 25, 2015 |
| Grant date | Jun 7, 2016 |
| Priority date | — |
| Expiry date | Aug 25, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61G5/045
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A detachable electric drive unit for a wheelchair is provided. The detachable electric drive unit includes a housing having an interior volume and two guide rails disposed on opposing sides of the housing. Each guide rail includes a channel to receive a wheelchair wheel and has at least two wheels attached to opposing ends of each guide rail. A roller assembly is disposed within the channels of each guide rail. An electric motor is coupled to the roller assembly in each guide rail. The electric motor drives the roller assembly imparting rotational motion to the wheelchair wheels supported within each channel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.