Seat back structure of vehicle seat
US7758114B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 15, 2008 |
| Grant date | Jul 20, 2010 |
| Priority date | — |
| Expiry date | Jul 15, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60N2/838
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
In a seat back with movable headrest, a pressure receiving element is movably provided, which includes pressure receiving regions for receiving loads applied from lumber and dorsal parts of seat occupant. The pressure receiving element is movably connected with a crank member which is movably provided between two lateral frame members of seat back frame. Further, that pressure receiving element is connected with a support shaft extended between a par of rotating links rotatably arranged on the respective afore-said two lateral frame members. A biasing element is provided to normally bias the headrest to a home position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.