Foldable wheel chair
US4045051A · kind A · utility
22Cited by
4References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 29, 1976 |
| Grant date | Aug 30, 1977 |
| Priority date | — |
| Expiry date | Mar 29, 1996 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61G5/0833
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A foldable wheel chair wherein diagonal braces which are transversely foldable are coupled by universal joints to front and rear portions between two longitudinally foldable opposite side frames to prevent slidable motion. Caster wheels and drive wheels are mounted on the side frames thereby folding the wheel chair in longitudinal and transversal directions to render it compact.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.