Lumbar support device for vehicle seat
US11014477B2 · kind B2 · utility
0Cited by
20References
15Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Sep 26, 2019 |
| Grant date | May 25, 2021 |
| Priority date | — |
| Expiry date | Sep 26, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60N2/933
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A lumbar support apparatus for a vehicle seat, may include a support frame; a hinge plate mounted on a middle portion of the support frame; an upper end plate mounted on an upper end portion of the support frame; a lower end plate mounted on a lower end portion of the support frame; and a rotary supporting shaft having both side end portions fixed to a seatback frame, and having an anti-rotation bending end portion supported by the rear surface of the hinge plate, wherein the rotary supporting shaft is inserted into a hinge holder formed on the rear surface of the hinge plate for rotating the hinge plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.