Headrest device
US5765918A · kind A · utility
7Cited by
13References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 13, 1996 |
| Grant date | Jun 16, 1998 |
| Priority date | — |
| Expiry date | Aug 13, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60N2/847
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A headrest device includes a stay fixed to a seat back, a headrest body supported on the stay so as to be able to rotate around the stay, and a resistance adding member for increasing the resistance to the rotation of the headrest body relative to the stay, the member includes a plurality of projections provided on the stay, and a plurality of concave portions provided on the headrest body so as to be able to be elastically deformed whereby each of the projections is in frictional engagement with each of the concave portions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.