Back rest
US5884971A · kind A · utility
Inventors
Key dates
| Filing date | Dec 17, 1997 |
| Grant date | Mar 23, 1999 |
| Priority date | — |
| Expiry date | Dec 17, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/32122
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A releasably mounted back rest is provided including a cushion and a pair of vertical stanchions coupled at top ends thereof to the rear surface of the cushion extended downwardly a predetermined distance. Also included is a joint assembly comprising a pair of lower members hingably coupled to the stanchions. By this structure, the stanchions and lower members of the joint assembly are adapted to pivot between a first orientation wherein the same are linearly aligned and a second orientation wherein the same are situated perpendicular with respect to each other. Lastly, a clamp is situated at bottom ends of the lower members for releasably coupling with a seat.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.