Patent ID: 7735929
Filing Date: 2010-06-15
Classification: B60N

Abstract:
1. A head restraint assembly for a vehicle seat assembly, the head restraint assembly comprising: a post adapted to engage a vehicle seat; a bun moveably attached to the post; a locking spring attached to the bun, the locking spring having an open configuration and a closed configuration, the open configuration allowing movement of the post relative to the bun and the closed configuration inhibiting movement of the post relative to the bun wherein the locking spring has one or more windings that contact the post with a first force sufficient to impede movement of the bun relative to the post when the locking spring is in the closed configuration, the bun position being adjustable to any value between a first position and a second position; and an actuator that is operable by a user to place the locking spring in the open configuration, wherein the actuator comprises a rack and pinion, the pinion being moveable by the rack and in communication with the locking spring.