Clamshell backrest components
US6305750A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 12, 1999 |
| Grant date | Oct 23, 2001 |
| Priority date | — |
| Expiry date | May 12, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C7/425
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A backrest for a chair comprising two parts constructed and arranged to interlock around chair back supports. Each part is preferably molded, and has a rib structure which provides positioning means for assembly on the supports. A hook and hook receiver arrangement provide a locking means for firm attachment of the parts to the supports. Decorative cushions can be applied to the parts before or after locking them to the supports. The invention is not limited to folding chairs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.