Patent ID: 6863234
Filing Date: 2005-03-08
Classification: B60R

Abstract:
1. A seat belt retractor comprising: a reel for winding the webbing; a locking mechanism connected to the reel by a torsion bar; wherein the locking mechanism is configured to be prevented from rotating in order to prevent the webbing from withdrawing from the reel; wherein one end of the torsion bar is press fitted into a hole in the reel and the other end of the torsion bar is press fitted into a hole in the locking mechanism; wherein a rib to prevent backlash is positioned in the hole in at least one of the reel and the locking mechanism at a location not subjected to the majority of the force applied between the at least one of the reel and the locking mechanism and the torsion bar when rotation of the locking mechanism is prevented; and wherein the rib includes an arc-shaped cross section.