Patent ID: 7137668
Filing Date: 2006-11-21
Classification: B60N

Abstract:
1. An automotive seat assembly comprising; a seat cushion, a seat back having top and bottom portions, a seat frame for supporting said seat cushion and said seat back, a head restraint mounted to said seat frame by posts and capable of being moved between a deployed position and a retracted position, each of said posts has a plurality of notches, said head restraint comprising: a control mechanism disposed within said head restraint for moving the head restraint between the deployed position and the retracted position, said control mechanism comprising a housing, a shaft pivotally mounted on said housing and biased to engage said posts, said shaft having a generally circular cross section with a flat surface and positioned to engage said notches of each of said posts preventing movement of said head restraint and said shaft becomes spaced from said posts upon rotation thereof to disengage said notches enabling movement of said head restraint, and a biasing device disposed between said posts and said housing for continuously biasing said head restraint towards the deployed position.