Tubular border frame for inner spring assemblies
US4173047A · kind A · utility
1Cited by
5References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 8, 1978 |
| Grant date | Nov 6, 1979 |
| Priority date | — |
| Expiry date | May 8, 1998 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C27/066
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A tubular border frame for inner spring assemblies is disclosed. The border frame includes an opening defined by a pair of inwardly directed lips adapted to receive and secure the coil springs. Straight and corner connectors are provided for joining the sections of the frame to form a complete border surrounding the springs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.