US Patent 7631932 Horizontally adjustable motor-vehicle headrest

A vehicle headrest has a vehicle-mounted support, a cushion, and guides mounting the headrest cushion on the support for displacement forward from a rear position in a vehicle travel direction and rearward opposite thereto to a front position. A lever pivoted in the cushion has an arm engaging rearward on the support. An actuator connected to the lever can pivot the lever and displace the cushion forward into the front position. The arm has an outer end bearing on but not coupled to the support.