Sofa bed with friction stop
US4780918A · kind A · utility
9Cited by
4References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 7, 1987 |
| Grant date | Nov 1, 1988 |
| Priority date | — |
| Expiry date | May 7, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C17/225
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A sofa bed having a friction damper on the main angle of the bed frame, which prevents the front tube and front legs of the frame from rapidly swinging forward as the frame is opened to prevent injury to the operator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.