Chair with adjustable lumbar support
US6981743B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 10, 2004 |
| Grant date | Jan 3, 2006 |
| Priority date | — |
| Expiry date | Jun 10, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C7/462
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A chair or other seating unit comprises a seat, a backrest, and an adjustable lumbar support, the adjustable lumbar support comprising a lumbar pad and a position adjustment means. The position adjustment means comprises a vertical adjustment means for mounting the lumbar support pad to the back rest, a substantially stationary support means that receives the vertical adjustment means, and a tension adjustment means, that releases the tension between the vertical adjustment means and the substantially stationary support means to allow the lumbar support to be positioned, and that increases the tension to hold the lumbar support means in a preferred selected position. The stationary support means is fixedly secured to the backrest.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.