Adjustable upholstered cushion
US5520438A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 22, 1994 |
| Grant date | May 28, 1996 |
| Priority date | — |
| Expiry date | Sep 22, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60N2002/2204
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An extendable and collapsible upholstered seat cushion is manufactured from a unitary piece of foam. The upholstery material is integrally molded with the foam cushion. Channels are molded into the foam perpendicular to the length of the seat to allow for compression of the overall length of the seat cushion. Further, channels may be molded into the foam in a direction parallel to the length of the seat cushion to allow for compression of the seat cushion in the lateral direction as well. The channels have angular recesses near the surface of the cushion to provide a home for compression hinges created by connective foam and cloth disposed between segments of the cushion. A telescoping support frame is provided to assist in the compression and extending of the seat cushion. This support frame may be telescoped manually or with assistance by power.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.