Chair
US7490902B2 · kind B2 · utility
13Cited by
14References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 7, 2005 |
| Grant date | Feb 17, 2009 |
| Priority date | — |
| Expiry date | Nov 21, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C1/03272
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A chair (1), in particular a swivel office chair, is provided with a bottom chair part (2) having a column (3), a seat support (4) held on the bottom chair part (2), a seat (6) connected pivotably to the support, and a backrest support (5) holding a backrest (7) and connected pivotably to the seat support (4). The movement of the seat (6) is coupled with the movement of the backrest support (5) by a synchronizing mechanism having at least one spring (10) and coupling elements. The synchronizing mechanism is arranged essentially within the column (3).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.