Patent ID: 8814227
Filing Date: 2014-08-26
Classification: B60N,Y10T

Abstract:
1. A collision-responsive latch for securing a head contact part of a vehicular headrest to a support, the latch comprising: guides between the head-contact part and the support for movement of the head-contact part relative to the support between a rest position and an advanced position; a lever pivotal on the support about a lever axis between a retaining position and a freeing position and provided with a first arm connectable to the head-contact part and offset from the lever axis with a latch formation; a link offset from the lever axis, connected with the first arm, and including at least one contact region, the contact region being operatively engaged with the head-contact part in the retaining position to prevent shifting of the head-contact part from the rest position into the advanced position; an actuator on the support having a part directly engageable with the latch formation and displaceable relative to the support and to the lever in the event of a collision from a blocking position directly engaging the latch formation and preventing pivoting of the lever about the lever axis in at least one direction out of the retaining position toward the freeing position into an unblocking position disengaged from the latch formation and permitting pivoting of the lever about the lever axis in the one direction out of the retaining position toward the freeing position; and spring means for urging the head-contact part from the rest position into the advanced position and for thereby pressing the head-contact part against the contact region with a force pulling the link and applying torque to the lever in the one direction and for thereby directly engaging the latch formation with the actuator part in the blocking position, movement of the actuator part into the unblocking position thereby disengaging the actuator part from the latch formation and freeing the lever to pivot into the freeing position so the head-contact part can move into the advanced position.