Folding mechanism for a futon sofa sleeper
US7383596B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 19, 2006 |
| Grant date | Jun 10, 2008 |
| Priority date | — |
| Expiry date | Sep 19, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C27/081
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
This invention is directed to a futon sofa sleeper having a sofa frame, a folding mechanism and a mattress assembly. The a sofa frame has a back with a cavity and a pair of opposed arms. The folding mechanism folds into and out of the sofa frame and is extendable from a first position to a second position. The folding mechanism includes a frame with a rear section rotatably coupled with the sofa frame, a middle section pivotally coupled with the rear section, and a front section pivotally coupled with the middle section. The mattress assembly is supported on the folding mechanism and contains a shell and an inner support received within the shell. The inner support including an innerspring construction and an air bladder, wherein in the first position, the rear and middle sections of the folding mechanism are located within the cavity and the front section is used as a seating surface and wherein in the second position, the rear, middle, and front sections are used as a sleeping surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.