Universal couch
US4694517A · kind A · utility
Inventor
Key dates
| Filing date | Feb 4, 1987 |
| Grant date | Sep 22, 1987 |
| Priority date | — |
| Expiry date | Feb 4, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C17/16
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An improved universal couch characterized by comprising two sets of bed-frame, three sets of base-frame, two positioning rods and supporting rods, two connecting frames and couch-surfaces, wherein three sets of base-frame consist of two separated elements and a cover plate respectively, and the connecting frame is used to connect two couch frames, so that by means of the above elements, the couch frames can be put into the looped sheaths sewed up at the both sides of the couch-surface material, and then they can be assembled respectively with three sets of baseframe to become a completed universal couch, since the positioning rod and the supporting rod, which are pivoted at the frame of the rear couch frame, can be used to raise and support the rear couch surface, and to adjust its angle of elevation in order to have the function of an improved universal couch. Besides, it is very quick and convenient to assemble and disassemble the whose set of couch so that this couch can be used to its best functional limit, and it can also provide the user with the enjoyment of sitting and lying at his leisure time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.