Support structure for sofa beds, with pull-out, raisable auxiliary bed
US5038422A · kind A · utility
8Cited by
7References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 8, 1989 |
| Grant date | Aug 13, 1991 |
| Priority date | — |
| Expiry date | Sep 8, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C17/32
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
Support structure for sofa beds, with pull-out, raisable auxiliary bed, which comprises an upper frame carrying support means for a mattress and connected, by means of rods linked as a parallelogram, to two lower bars transverse to the larger dimension of the frame, blocking means being present for the raised position and balancing means for the weight of the frame, the sofa bed being equipped with a seat-back adjustable in position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.