| 摘要 |
The invention relates to a head rest for a vehicle seat in which, in the event of an accident, at least one first section of the head rest that is oriented towards the head of the seat occupant can be displaced, due to the effect of a relative displacement of a second section of the head rest that is arranged essentially between the first section and the third section, from a working position into a safety position and a comfort position of the head of the seat occupant in the direction of displacement. A blocking device for blocking or minimising displacement of a first section of the head rest counter to the direction of displacement is provided. Said blocking device is asymmetrical in relation to a central plane of the head rest, said central plane extending essentially in a vertical or parallel manner in relation to the direction of displacement in the built-in position of the head rest and can be actuated by means an actuation element that is arranged symmetrically in relation to the central plane.
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