Vertically adjustable armrest assembly for a chair
US5908221A · kind A · utility
30Cited by
8References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 8, 1998 |
| Grant date | Jun 1, 1999 |
| Priority date | — |
| Expiry date | Jun 8, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C1/03
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A vertically adjustable armrest assembly for a chair having a hydraulic actuator that allows the upper arm of the chair to be raised to a multiple of positions by engaging the hydraulic actuator with a lever located on the underside of the upper arm. The upper arm may also rotate about a horizontal axis allowing the user to orient the upper arm to the most comfortable position for keyboarding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.