Patent ID: 6607242
Filing Date: 2003-08-19
Classification: B60N

Abstract:
A vehicle seat and headrest assembly, comprising:a seat back; a headrest moveably supported with respect to the seat back on a pair of curved guide tubes, said guide tubes movable along a plurality of guide elements, wherein the headrest is movable between a retracted position closely adjacent to the seat back, and an extended position extending away from the seat back and forwardly toward the head of a seated occupant; and wherein the headrest has a deployment mechanism biasing the headrest in an upward direction for deploying the headrest from the retracted position to the extended position, and includes a locking device for selectively locking at least one of the guide tubes in order to allow the headrest to move in a desired vertical position, said locking device being disengageable in the event of a vehicle impact to allow rapid movement of the headrest to the extended position.