Patent ID: 6279994
Filing Date: 2001-08-28
Classification: B60N,F16F

Abstract:
A spring unit for use with a linear seat-back recliner mechanism, the linear seat-back recliner mechanism enabling pivotal rotation of a seat back relative to a seat cushion, the seat back including a seat-back frame, the linear seatback recliner mechanism including an elongated recliner rod adapted for pivotal retention with the seat back, the spring unit being adapted for placement about the elongated recliner rod, the recliner rod being pivotally retained relative to the seat-back frame and extending through an actuator mechanism, the spring unit being adapted for positioning between the actuator mechanism and the seat-back frame, the spring unit including a compression spring adapted to be disposed about the recliner rod, the compression spring having a first and a second position relative to the seat-back frame, the compression spring including a plurality of first coils having a first spring diameter and a plurality of second coils having a second spring diameter, the second coils being sandwiched between the first coils, the spring unit comprising one compression spring having larger diameter coils sandwiched between smaller diameter coils, one end of the compression spring with the reduced diameter coils enabling abutment against one end of the recliner rod that is secured to the seat-back.