A vehicle seat assembly includes a seat bottom and a seat back connected
to the seat bottom. A reclining mechanism is configured to adjustably
position the seat back. A head restraint assembly includes a head
restraint and one or more supports receiving the head restraint extending
through one or more slots in an upper frame member of the seat back
frame. A head restraint adjustment mechanism cooperates with the seat
back to position the head restraint adjacent an occupant's head. The head
restraint adjustment mechanism includes a guide rotatably mounted to the
seat back frame receiving the one or more head restraint supports, a cam
rotatably mounted to the seat back frame and a linkage having a first end
connected to the guide and a second end adjustably connected to the cam.