Patent ID: 7044544

Claim:
A vehicle seat assembly comprising: a seatback frame; an upper armature moveably supported by said seatback frame, said upper armature including a head restraint and a first impact body, said upper armature operable to move in response to a predetermined force applied to said first impact body to thereby move said head restraint toward the occupant; and a lower armature including at least one transfer rod operatively connected to said upper armature and operable to move toward said upper armature in response to a predetermined force applied to said lower armature and act on said upper armature to move said head restraint toward the occupant; and at least one ramp operatively connected to said transfer rod, said ramp including at least one cam surface extending generally toward said upper armature, said transfer rod supported on said cam surface such that said transfer rod moves on said cam surface toward said upper armature in response to a predetermined force applied to said lower armature.