Patent ID: 8641149

Claim:
A ratcheting pivot mechanism for coupling a head rest portion of a vehicle head restraint assembly to a post portion of a vehicle head restraint assembly, the ratcheting pivot mechanism comprising: a first pivot arm having a fixed ratchet member, and defining a reset window; a second pivot arm pivotably connected to the first pivot arm; a movable ratchet member pivotably connected to the second pivot arm and configured to selectively engage the fixed ratchet member, the movable ratchet member including a reset pin; and a spring disposed between the second pivot arm and the movable ratchet member, the spring configured to apply an engaging force to the movable ratchet member when the movable ratchet member is in an engaged position, and the spring configured to apply a disengaging force to the movable ratchet member when the movable ratchet member is in a disengaged position; and wherein interaction between the reset window and the reset pin urges the movable ratchet member to move between the engaged position and the disengaged position.