Patent ID: 7677658

Claim:
An automotive headrest, comprising: a stay rod having vertical parts secured to a seat, and a horizontal part coupling the vertical parts to each other; a horizontal guide frame secured to the horizontal pan of the stay rod; a ratchet slider movably mounted to the horizontal guide frame; a ratchet pawl, pivotably mounted to the horizontal guide frame, for locking or releasing the ratchet slider; a tension spring returning the displaced ratchet slider to an original position thereof; and a ratchet spring providing tensile force to the ratchet pawl, wherein the horizontal guide frame comprises: a base part secured to the horizontal part of the stay rod; a pair of guide parts extending vertically from the base part; and a mounting part extending upwards from either of the guide parts, and at least one guide groove is provided on an inner surface of each of the guide parts, wherein the ratchet slider further comprises a plurality of teeth, which the ratchet pawl is selectively engages with or disengages from.