Chair back with lumbar and pelvic supports
US7484802B2 · kind B2 · utility
60Cited by
83References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 24, 2008 |
| Grant date | Feb 3, 2009 |
| Priority date | — |
| Expiry date | Mar 24, 2028 |
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. The chair back also includes a pelvic support pad which is disposed vertically adjacent to the lumbar support.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.