Combination folding stair and platform wheelchair lift
US5425615A · kind A · utility
47Cited by
14References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 30, 1994 |
| Grant date | Jun 20, 1995 |
| Priority date | — |
| Expiry date | Sep 30, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S414/134
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A combination folding stair and platform wheelchair lift which translates from one configuration to the other depending upon the purpose to be served utilizing a series of panels which form a flat platform or alternatively steps and risers and which reciprocate horizontally on a pair of side rails and which are raised and lowered vertically in a pair of side column frames by a pair of hydraulically driven endless chains.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.