Chair
US9155393B2 · kind B2 · utility
40Cited by
6References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 2, 2012 |
| Grant date | Oct 13, 2015 |
| Priority date | — |
| Expiry date | Nov 2, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C7/462
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A lumbar support on a chair comprises a lumbar support body in which a vertical width gradually becomes smaller from right and left ends to the middle; four mounting portions spaced apart from each other vertically on the lumbar support body and moving vertically along a guide on each of the pair of side frame rods and an operating member connected to each of the mounting portions on the lower edge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.