Patent ID: 7152928
Filing Date: 2006-12-26
Classification: B60N

Abstract:
1. A head restraint assembly for a vehicle seat assembly, said head restraint assembly comprising: a post adapted to operatively engage a vehicle seat and provide vertical movement relative thereto, said post including a control leg, a slave leg and a contoured cross member disposed therebetween, each of said legs having a terminal end and an offset disposed between said terminal end and said contoured cross member, said control leg having a plurality of aligned notches disposed between said terminal end and said offset and in spaced relation relative to each other to define a predetermined number of vertical adjustment positions, said notches adapted to operatively engage a portion of the vehicle seat to facilitate free movement between the vertical adjustment positions in a direction away from the seat back and releasable locking movement between the vertical adjustment positions in a direction toward the seat back; a bun operatively attached to said post such that said offsets advance a portion of said bun and a portion of said post toward a seat occupant to reduce head displacement during a rear end vehicular collision; wherein said slave leg includes a plurality of aligned detents in spaced relation to each other to provide lateral support of said bun at each of the vertical adjustment positions and a plurality of bridges disposed between said detents, said bridges are adapted to join said detents and provide efficient movement therebetween during vertical adjustment by said control leg.