Chair back with lumbar and pelvic supports
US7347495B2 · kind B2 · utility
122Cited by
81References
37Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 10, 2006 |
| Grant date | Mar 25, 2008 |
| Priority date | — |
| Expiry date | Nov 10, 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. 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.