Patent ID: 8814265
Filing Date: 2014-08-26
Classification: B60N

Abstract:
1. A headrest for a vehicle seat comprising: a first section that is oriented toward a head of a seat occupant, a second section, and a third section configured to couple to a backrest of the vehicle seat, wherein the second section is arranged substantially between the first section and the third section, the first section is movable relative to the third section in a displacement direction toward the head of the seat occupant; wherein the second section comprises a comfort section and a safety section positioned proximate to the comfort section, and the comfort section comprises a second engagement surface configured to contact a first engagement surface of the first section, a fourth engagement surface configured to contact a third engagement surface of the third section, or a combination thereof; wherein the comfort section is configured to rotate in a first rotational direction about a rotational axis substantially parallel to the displacement direction to drive the first section to move in the displacement direction through a comfort range of motion via contact between the first and second engagement surfaces, via contact between the third and fourth engagement surfaces, or a combination thereof, without rotation of the safety section, and the comfort range of motion of the first section extends from a minimum comfort position proximate to the third section to a maximum comfort position remote from the third section; and wherein the safety section comprises a stop configured to engage the comfort section, a drive device is configured to drive the safety section to rotate in the first rotational direction in the event of an accident, rotation of the safety section about the rotational axis in the first rotational direction is configured to drive the comfort section to rotate about the rotational axis in the first rotational direction via contact between the stop and the comfort section to facilitate movement of the first section to a safety position.