Bed frame
US5673445A · kind A · utility
Inventor
Key dates
| Filing date | Nov 7, 1994 |
| Grant date | Oct 7, 1997 |
| Priority date | — |
| Expiry date | Nov 7, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C21/006
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An improved bed frame including a rectangular frame supported in a substantially horizontal disposition by a plurality of leaf springs connected thereto and by a axle rotably connected to the leaf springs and supported by two inflatable and elastic envelopes mounted at each end of the axle. A plurality of coil springs are attached to the rectangular frame laterally of the axle to provide additional elastic support of the rectangular frame at the periphery thereof. A plurality of rigid stop members are connected to the rectangular frame laterally of the axle to limit the downward movement of the rectangular frame. An inclined platform is connected to the rectangular frame for supporting a mattress and box spring ensemble.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.