Back construction
US8469454B2 · kind B2 · utility
24Cited by
115References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 11, 2011 |
| Grant date | Jun 25, 2013 |
| Priority date | — |
| Expiry date | Apr 11, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49954
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A seating structure includes a central spine and an upper back structure having a pair of arms extending upwardly and outwardly from the central spine. The upper back structure is pivotally connected to the central spine about a first horizontal axis. A back support structure is pivotally connected to the spine about a second horizontal axis and is pivotally connected to the ends of each of the arms about a third horizontal axis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.