Patent ID: 6722698
Filing Date: 2004-04-20
Classification: B60R,B60T

Abstract:
A seat belt retractor system for providing a predetermined seat belt loading on a seat occupant after the seat belt is initially extended and locked in a buckle, said seat belt retractor system comprising a reel having said seat belt wound thereabout, said reel having an input shaft about which said reel rotates when said seat belt is retracted and when said seat belt is extended, an electric motor having an output shaft, said input shaft of said reel having a first sprocket wheel mounted thereon and said output shaft of said electric motor having a second sprocket wheel mounted thereon, an endless chain entrained about and interconnecting said first sprocket wheel with said second sprocket wheel, and a control device for providing a signal to said electric motor when said seat belt is locked in said buckle for energizing said electric motor and causing said input shaft to be drivingly rotated in one direction for providing said predetermined seat belt loading on said seat occupant.