Spring edge for furniture decks
US3998371A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 31, 1976 |
| Grant date | Dec 21, 1976 |
| Priority date | — |
| Expiry date | Mar 31, 1996 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C7/287
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A spring edge for a furniture deck, the deck consisting of a wire fabric deck sheet resiliently supported over a rigid frame, the spring edge consisting of a series of vertically V-shaped spring elements distributed along the forward edge of the frame opening forwardly, with their apices being connected to the deck, each element consisting of a single strand of spring wire configurated to present a horizontally transverse top reach, downwardly and rearwardly inclined legs extending from each end of the top reach to the apex, horizontally transverse torsion legs extending from the lower end of each inclined leg, the torsion legs defining the apex of the element and being secured to the deck, and a forwardly extending bottom leg extending from the opposite ends of the torsion legs and being secured at their forward ends to the frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.