Chair having novel tilt control mechanism
US6932431B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 13, 2003 |
| Grant date | Aug 23, 2005 |
| Priority date | — |
| Expiry date | Jun 13, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C1/024
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A chair having a chair seat and a chair back includes a means for controlling the tilt of the chair back relative to the chair seat, the tilt means comprising a control body mounted beneath the chair seat and a pivot body pivotably mounted beneath the control body. A spring is operatively disposed between the control body and the pivot body. The control means comprises means for limiting the range of angular motion of the pivot body. Further, the locations of the control body, the pivot body, and the rod about which the pivot body pivots are each optimized to reduce the shear force that is applied to the user's back when the user exerts a force against the chair back.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.