Anti-tilt sofa sleeper mechanism
US4800598A · kind A · utility
6Cited by
5References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 1, 1987 |
| Grant date | Jan 31, 1989 |
| Priority date | — |
| Expiry date | Dec 1, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C17/225
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A foldable sofa sleeper mechanism having pivotally interconnected head, body, intermediate, and foot sections movable between a folded position in which the mechanism is contained within a storage enclosure of a sofa frame, and an extended unfolded position in which the bed frame extends in a planar attitude away from the sofa frame, and tilt prevention means for preventing the head end of the unfolded sofa sleeper mechanism from tilting downwardly when an excessive weight is placed thereon, which tilt prevention means includes at least one flexible, non-stretchable cable fixedly connected to two locations on the mechanism.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.