Crash-active headrest

Details Crash-active headrest Crash-active headrest

2007-03-27

2007-03-27

Dunn, David R. (Department: 3636)

Chairs and seats

Crash seat

Force-absorbing means incorporated into headrest area

C297S408000

Reexamination Certificate

active

11287578

ABSTRACT:
In a headrest (201) for a vehicle seat, having a support (205), at least one upper and lower linkage (211, 215) hinged to the support (205), which are pivotable around horizontal axles (207, 217), an impact element (213) hinged to the linkages (211, 215), which forms at least one four-bar linkage (219) with the linkages (211, 215) and the support (205), and an energy storage, the energy storage driving the four-bar linkage (219) in the event of a crash, so that the impact element (213) is driven out forwardly from an initial position into a crash position that is locked rearward by a crash lock, a drive (271) is provided by way of which, in normal use, the headrest (201) can be brought from its initial position to at least one other comfort position.

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