Nestable wheelchair
US6315306A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 19, 2000 |
| Grant date | Nov 13, 2001 |
| Priority date | — |
| Expiry date | May 19, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61G2203/76
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A nestable wheelchair of the type in which a seat portion of one chair can be slid underneath the seat portion of a next adjacent chair, for nesting, and having side frames supporting the seat, the side frames being further apart at the rear and closer together at the front of the chair, and, a rear support frame extending upwardly and downwardly behind the side frame, the rear support frame having a handle at the upper end for pushing the chair, lower bracing frames extending from forward extensions of the side frames to the rear support frame, with their forward width spacing being less than their rearward width spacing, forward wheels mounted on the forward ends of said lower bracing frames, and rearward wheels mounted on rearward portions of the lower bracing frames, longitudinal bars extending parallel to the lower bracing frames at a predetermined height, permitting forward portions of a rearward chair to be inserted beneath the bar of a nest adjacent forward chair, and providing a lifting action so as to lift the rear wheels of the forward chair off the floor surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.