Spring construction
US4037829A · kind A · utility
11Cited by
3References
8Claims
0Family size
Inventors
Key dates
| Filing date | Mar 5, 1976 |
| Grant date | Jul 26, 1977 |
| Priority date | — |
| Expiry date | Mar 5, 1996 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C31/06
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A rail anchor and attachment assembly for securing the end of a sinuous spring band to a curved frame rail in a furniture frame. The anchor is a pin fabricated from heavy gauge wire. It comprises a vertical anchor leg seated against the back surface of a frame rail and depending from a horizontal attachment leg. An attachment hook on the free end of the attachment leg receives a spring band, a helical connector spring or some other form of band connector, to form an attachment assembly joining the band to the rail.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.