Adjustable seat back assembly for a wheelchair
US5997021A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 6, 1997 |
| Grant date | Dec 7, 1999 |
| Priority date | — |
| Expiry date | Oct 6, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61G5/128
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An adjustable seat back assembly for a wheelchair of the type having a frame with an upwardly extending rear frame portion and an adjustable angle seat support which includes a pivotable front end and a rear end which is secured to said rear frame portion at any of a plurality of different positions. A seat back support is mounted to pivot on the seat support from adjacent its rear end. A link connects the seat support to a slider on the rear frame portion to maintain the position of the slider relative to the seat back support pivot as the seat angle is adjusted. A releasable seat back angle adjuster secures the seat back support to the slider at any of a plurality of positions. When the seat back angle adjuster is released, the seat back support may be folded down towards said seat support.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.