Bent wire spring module
US4838528A · kind A · utility
7Cited by
2References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 4, 1988 |
| Grant date | Jun 13, 1989 |
| Priority date | — |
| Expiry date | Apr 4, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C23/02
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A spring module for disposition between a supporting frame and a grid frame to yieldably support the latter relative to the supporting frame, comprising spaced, parallel top and bottom attaching elements and spaced supports disposed between and attached to the top and bottom attaching elements embodying vertically-disposed and inclined lengths of wire disposed symmetrically about the vertical axis of the module.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.