| 摘要 |
In a headrest ( 1 ) for a vehicle seat, having a carrier ( 5 ), at least one upper and lower linkage ( 11, 15 ) linked to the carrier ( 5 ), which can be pivoted around horizontal axles ( 7, 17 ), a impact element ( 13 ) linked to the linkages ( 11, 15 ) which forms at least one four-bar linkage ( 19 ) with the linkages ( 11, 15 ) and the carrier ( 5 ), and an energy storage device ( 25 ), the energy storage device ( 25 ) driving the four-bar linkage ( 19 ) in the event of a crash, so that the impact element ( 13 ) comes out forward from an original position into a crash position that is locked against a backward movement by a crash lock, the upper linkage ( 11 ) and the lower linkage ( 15 ) are unparallel with respect to one another.
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