Chair with a linkage assembly
US6966604B2 · kind B2 · utility
159Cited by
241References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 5, 2004 |
| Grant date | Nov 22, 2005 |
| Priority date | — |
| Expiry date | Feb 5, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/3024
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A chair includes a control housing, a seat and a back support including an upwardly extending upright portion and a link portion extending forwardly from a lower portion of the upright portion. The link portion is pivotally connected to the control housing about a first pivot axis. The seat is connected to the link portion and is pivotable relative thereto. A linkage is coupled to the seat and is pivotally connected to the control housing at a second pivot axis positioned rearwardly and downwardly from the first pivot axis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.