Bent wire spring module
US4736933A · kind A · utility
5Cited by
7References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 25, 1987 |
| Grant date | Apr 12, 1988 |
| Priority date | — |
| Expiry date | Mar 25, 2007 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16F1/02
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A spring module for use in a spring assembly embodying a base frame and a grid frame comprising upper and lower attaching elements for connecting the module to the base frame and grid frame and a plurality of lower and upper symmetrically-disposed, yieldable legs connecting the lower and upper attaching elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.