Electrically driven wheelchair
US6050356A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 12, 1997 |
| Grant date | Apr 18, 2000 |
| Priority date | — |
| Expiry date | Sep 12, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S297/04
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A wheelchair includes an upper structure A and lower structure B which can be freely assembled and separated. Upper structure A includes a seat, back rest, seat rail, cross member, cross member and a subframe. Electrical equipment including a control unit and battery, etc., is housed inside a housing mounted on the bottom part of seat. A motor is supported under the cross member. The lower structure includes the left and right pair portions of a main frame, front wheels, drive wheels and hand rims. Upper structure A can be separated and removed from lower structure B by folding down the back rest and removing the upper structure A. The output axis is removed from the axle stay by moving the motor towards the center of the wheelchair body. A housing cover is fitted to the rear face of a base plate provided on a seat of the wheelchair. A freely opened and closed lid is provided for the opening provided on the front portion. A guide plate is provided on the front of the housing formed by the base plate and the housing cover. A control unit is fitted to the rear. When the lid is opened and battery is inserted from the front into housing cover and guided and supported by the guide plate…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.