Height adjustment device in fixture, and armrest device for chair provided with height adjustment device
US9603451B2 · kind B2 · utility
18Cited by
10References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 2, 2013 |
| Grant date | Mar 28, 2017 |
| Priority date | — |
| Expiry date | May 27, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C7/54
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An armrest device for a chair includes a lower support rod that rises at a side of a chair seat and has a tubular upper end portion; and an upper support cylinder that has an armrest provided in an upper end thereof, is externally fitted to the lower support rod so as to be slidable in an up-down direction, and has a plurality of engaging portions therein. The armrest is made height-adjustable with respect to the lower support rod by disposing the locking member and a biasing member at an upper end portion of the lower support rod and providing the rotating rod inside the lower support rod.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.