Shoulder belt positional adjustment device for a seatbelt

Claim 1

A shoulder belt positional adjustment device for a seatbelt, comprising: a guide rail having a shape corresponding to a center pillar of a vehicle and bolt holes at upper and lower ends, said guide rail being adapted to be fixed to the center pillar by means of bolts passing through the bolt holes, said guide rail having guide elements at opposite sides thereof, said guide elements extending between the upper and lower ends thereof, an anchor support block including a slider for slidably engaging the guide rail, said slider having a substantially U-shaped transverse section and grip portions at opposite sides thereof for slidably gripping the guide elements thereat, and a nut element engaging the slider to allow the slider to move along the guide rail, a belt anchor adapted to loosely receive a shoulder belt and being supported by the slider, a screw shaft extending along and substantially parallel to a longitudinal direction of the guide rail and threaded with the nut element of the anchor support block, said screw shaft, when rotated, allowing the anchor support block to move along the guide rail, and a resilient member disposed among the nut element, the slider and the guide rail to resiliently contact among them to dampen vibration arising from the nut element and the slider, said resilient member including a body and extensions, said body having a substantially U-shaped section and including a pair of opposite side plates and a connecting plate extending between the side plates, said extensions extending outwardly from the side plates.