Chair back with adjustable lumbar support
US9826841B2 · kind B2 · utility
5Cited by
8References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 24, 2015 |
| Grant date | Nov 28, 2017 |
| Priority date | — |
| Expiry date | May 12, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60N2/66
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An adjustable lumbar support mechanism for adjusting a position of a lumbar support in a seating unit is provided. The mechanism includes a pair of spaced apart swing links that are pivotally coupled on an upper end to the back frame of the seating unit. The lower free end of each swing link is coupled to a lumbar support. An actuating mechanism is coupled on an upper end to the back frame, and on a lower end is pivotally coupled to the lumbar support. Extending the shaft of the actuating mechanism extends the lumbar support providing additional support to someone sitting in the seating unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.