Chair
US8544957B2 · kind B2 · utility
16Cited by
5References
19Claims
0Family size
Inventor
Key dates
| Filing date | Oct 7, 2010 |
| Grant date | Oct 1, 2013 |
| Priority date | — |
| Expiry date | Dec 3, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C7/462
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A chair includes a supporting structure, a seat moveably mounted on the supporting structure and moveable with respect to the supporting structure in a vertical direction, and a backrest including a first frame pivotally connected to the seat and a second frame separate from and pivotally mounted on the first frame to connect to the seat. Further, a first control device is mounted and concealed between the first and second frames in order to prevent the user from inadvertently colliding with it. The first control device is adjusted for various relative pivotal positions of the first and second frames.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.