Spring module
US4778157A · kind A · utility
10Cited by
5References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 25, 1987 |
| Grant date | Oct 18, 1988 |
| Priority date | — |
| Expiry date | Jun 25, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C23/02
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A spring module for disposition between a base frame and a grid frame of a spring assembly embodying upper and lower attaching elements for attachment to, respectively, the grid frame and the base frame and spaced, parallel, vertically-disposed, yieldable legs, each leg embodying a vertically-disposed loop of wire and upwardly and downwardly, oppositely-inclined, V-shaped lengths of wire extending from the loop to, respectively, the upper and lower attaching elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.