Convertible sofa-bed
US5271109A · kind A · utility
20Cited by
7References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 14, 1992 |
| Grant date | Dec 21, 1993 |
| Priority date | — |
| Expiry date | Sep 14, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C17/1756
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A convertible sofa-bed which includes a support frame. A seat support is slidably connected to the support frame by a roller and a back support which is pivotally connected to the seat support. The back support includes a hook part which provides for positive connection of the back and seat supports to assure smooth transitional shifting.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.