Patent ID: 7044556

Claim:
An automotive seat assembly comprising: a seatback assembly including an upper seatback surface; a guide stem positioned within said seatback assembly; a head restraint post positioned within said guide stem, said head restraint post including a head restraint mount end and a seatback insertion end; a head restraint element mounted to said head restraint mount end; a roller guide mounted in proximity to said upper seatback surface, said roller guide comprising: a bezel element; a primary roller housing mounted to said bezel element; a center cylindrical path through said primary roller housing and said bezel element, said head restraint post passing through said center cylindrical path and into said guide stem; and a primary roller element rotatably mounted within said primary roller housing, said primary roller element movably biased into communication with said head restraint post by way of a roller bias such that said head restraint post is restrained from motion absent a vertical adjustment force.