Headrest for a vehicle seat

Details Headrest for a vehicle seat Headrest for a vehicle seat

1998-09-08

2000-06-27

Brown, Peter R.

Chairs and seats

Crash seat

Force-absorbing means incorporated into headrest area

297408, B60R 21055

Patent

active

060797762

ABSTRACT:
A vehicle seat has a supporting bow which can be fixed on the seat side and has a head cushion which is arranged on the end of the supporting bow away from the seat and which can be adjusted in its inclination as desired by the seat user. For securing the inclination adjustment of the head cushion in the event of a crash, an air-filled, volume-variable hollow body is supported between the supporting bow and a cushion support held on the supporting bow by way of a swivel bearing. The hollow body is provided with a throttle opening which counters a shock-type air discharge with an extremely high flow resistance and an air passage of a low flow rate with only a small flow resistance.

REFERENCES:
patent: 3680912 (1972-08-01), Matsuura
patent: 4720146 (1988-01-01), Mawbey et al.
patent: 4844544 (1989-07-01), Ochiai
patent: 4861107 (1989-08-01), Vidwans et al.
patent: 5468045 (1995-11-01), Weber
patent: 5683141 (1997-11-01), Wakamatsu et al.
patent: 5700057 (1997-12-01), De Filippo
Search Report, Europe, Dec. 21, 1998.

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