Raising wheel chair
US7007963B2 · kind B2 · utility
6Cited by
21References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 19, 2004 |
| Grant date | Mar 7, 2006 |
| Priority date | — |
| Expiry date | Mar 19, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61G2203/74
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A raising wheel chair includes a raising frame with a lever parallelogram to maintain a backrest upright both in sitting and standing position of the user. A lever provides a movement of the backrest in such a way that no movement between the backrest and the body of the user takes place when a change from sitting to standing or lying takes place.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.