Chairback with side torsional movement
US5951109A · kind A · utility
105Cited by
39References
38Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 30, 1997 |
| Grant date | Sep 14, 1999 |
| Priority date | — |
| Expiry date | Apr 30, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C1/03274
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An office-type chair which includes a seat assembly and back assembly that are pivotally supported on a chair base or pedestal to support a user thereon. To increase the comfort of the user, the seat assembly is tiltable forwardly and rearwardly by way of a tilt control mechanism while the back assembly thereof is tiltable laterally from side to side, i.e. in the leftward and rightward directions by way of a back torsion mechanism.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.