Patent ID: 6149093
Filing Date: 2000-11-21
Classification: B60R

Abstract:
A tension reducer for relieving the drawing force of a retractor for an automobile safety belt comprising:a clutch including a pair of coil spring receptacles for respectively containing first and second coil springs operatively connected for enabling the elastic forces of said first and second coil springs to be changed directly into a rotation force when pulling out or retracting a webbing;a lever for stopping the rotation of the clutch when the webbing is not drawn out further;a cover for enabling the clutch to be rotatably mounted therein and the lever to be properly positioned therein; and,a base for enabling the clutch and the lever to be fixed therein with the cover;wherein the clutch comprises a holder including said two coil spring receptacles respectively formed on both sides of a middle wall, said first and second coil springs mounted in the receptacles, respectively, in which first and second hooking grooves each is formed in inner surfaces of the first and second receptacles to retain outer ends of the first and second coil springs, a bush shaft including a hooking groove formed on an outer surface thereof to allow the other end of the second coil spring to be retained therein, and a stay shaft including a hooking groove formed on an outer surface thereof to allow the other end of the first coil spring to be retained therein;wherein the bush shaft comprises a circular disk including a shoulder on one side surface inserted into a hole of the base and a projector on the other side surface rotatably supported in a groove of a boss formed on the inner surface of the cover.