Apparatus and process for determining lumbar configuration in a chair
US7318286B1 · kind B1 · utility
4Cited by
18References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 9, 2006 |
| Grant date | Jan 15, 2008 |
| Priority date | — |
| Expiry date | Jun 21, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C7/462
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An office chair is provided having a back assembly which is configured to provide supplemental support to the back of a chair occupant in addition to the support provided by the primary support surface of the chair back. The chair back includes a lumbar support unit having a lumbar support pad wherein asymmetric support is provided to the left and right halves of the lumbar pad. As such, the asymmetric support loads are independently adjustable to more comfortably support a chair occupant. A testing apparatus and method are used to optimize the support pressure characteristics of the lumbar pad.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.