Spring module
US4729550A · kind A · utility
6Cited by
1References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 2, 1986 |
| Grant date | Mar 8, 1988 |
| Priority date | — |
| Expiry date | Jun 2, 2006 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C23/0438
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A bent wire spring module wherein there are upper and lower attaching elements for attachment, respectively, to a grid frame and base frame and vertically-disposed, spaced, parallel legs connecting the upper and lower attaching elements, each leg comprising an arcuate length of wire embodying diverging legs and upper and lower straight lengths of wire integrally connected at one end to the ends of the legs of the arcuate length of wire and at their opposite ends to the upper and lower attaching elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.