Patent ID: 8979202
Filing Date: 2015-03-17
Classification: B60N

Abstract:
1. A crash-active headrest of a motor vehicle seat having a head part which is at least partially displaceable in the direction of the head of a seat occupant for comfort and/or safety purposes; wherein the crash-active headrest comprises on its side facing the seat occupant: wherein the head part may be locked in a position by a lever which can transfer from a locked position into an unlocked position and from the unlocked position to the locked position, wherein the crash-active headrest includes a push element which transfers the lever from the locked position into the unlocked position and from the unlocked position to the locked position; wherein the lever has a slotted guide and the push element includes a projection which is guided in the slotted guide; wherein the mode of operation of the push element changes as a result of altering the position, in one position acting in a locking manner, and in a second position acting in an unlocking manner; wherein a rotational position of the rotary disk is ensured by the lever as the lever is configured to engage positively or non-positively between teeth arranged on the rotary disk to prevent the rotary disk from rotating further, at least in one rotation direction, wherein the lever is configured to be moved outside the teeth by means of the push element to be unlocked.