Convertible sofa-bed
US5231710A · kind A · utility
15Cited by
9References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 20, 1992 |
| Grant date | Aug 3, 1993 |
| Priority date | — |
| Expiry date | Jul 20, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C17/13
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A convertible sofa-bed which includes a bed support frame which is shiftable with respect to the sofa frame to convert the sofa-bed between sofa and bed positions. The bed support frame is attached to one of the arm supports and is extended into a bed position by pulling on the sofa arm. The sofa-bed may also include a unique two-piece bed support frame connected by an over-center pivot linkage which locks the bed support frame into the bed position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.