Noise suppression cover for belt webbing retractor

Details Noise suppression cover for belt webbing retractor Noise suppression cover for belt webbing retractor

1998-11-04

2000-07-04

Jillions, John M.

Winding, tensioning, or guiding

Reeling device

With spring motor

181290, B60R 2234

Patent

active

06082655&

ABSTRACT:
A vehicle occupant restraint apparatus (10) comprises a length of seat belt webbing (16) extensible about a vehicle occupant and a mechanism (80) associated with the length of seat belt webbing. The mechanism (80) includes at least one movable component (82, 84) and a one-piece cover member (90) defining a chamber (88) in which the at least one movable component is located. The cover member (90) encloses the at least one movable component (82, 84) and damps audible noise generated by vibration of the at least one movable component. The one-piece cover member (90) comprises at least two layers (92, 94) of dissimilar polymeric material bonded together. The layer includes a base layer (92) and an outer layer (94). One of the layers (92, 94) is made of an impact resistant material and the other of the layers (92, 94) of a noise absorbing material bonded to the one layer.

REFERENCES:
patent: 5209421 (1993-05-01), Fujiwara et al.
patent: 5443224 (1995-08-01), Patterson et al.
patent: 5504282 (1996-04-01), Pizzirusso et al.
patent: 5854452 (1998-12-01), Campbell et al.

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