Raised frame support for sofa-sleeper
US5903939A · kind A · utility
2Cited by
19References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 13, 1998 |
| Grant date | May 18, 1999 |
| Priority date | — |
| Expiry date | Feb 13, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C17/225
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A sofa sleeper foldable sofa bed assembly having pivotally interconnected head, body, intermediate and foot frame sections each including a pair of opposed side rails. The frame sections are extendable to form a bed and foldable to form a sofa seat. The frame is supported laterally by at least one generally U-shaped cross brace which is biased in an upwardly raised position by at least one resilient member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.