Chair arm assembly
US9427085B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 18, 2015 |
| Grant date | Aug 30, 2016 |
| Priority date | — |
| Expiry date | Feb 18, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49947
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A chair assembly includes a four-bar linkage assembly including a first linkage member, a second linkage member, a third linkage member and a fourth linkage member each pivotably coupled to one another such that the four-bar linkage assembly includes an upper end that is adjustable between raised and lowered positions, and an arm rest assembly adapted to support the arm of a seated user thereon and supported the upper end of the four-bar linkage assembly, wherein a lower end of the four-bar linkage assembly is pivotably supported from an arm support structure for pivotable movement, such that the upper end of the four-bar linkage assembly is moveable between a first position and second position located laterally outward from the first position and wherein the arm support structure is fixed with respect to the seat support structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.