Seat belt pretensioner

Details Seat belt pretensioner Seat belt pretensioner

1999-07-08

2000-12-05

Walsh, Donald P.

Winding, tensioning, or guiding

Reeling device

With spring motor

280806, 60632, B65H 7548

Patent

active

061555126

ABSTRACT:
A pretensioner for tightening a seat belt has a piston-like drive member arranged in a guide tube. A drive means produces a propellant gas that drives the drive member. A movement transmitting system connects the drive member to the seat belt. A discharge system with a release or rupture element opens a discharge orifice in the drive member during a return movement of the drive member.

REFERENCES:
patent: 4023427 (1998-12-01), Beier
patent: 5358275 (1994-10-01), Fohl
patent: 5397095 (1995-03-01), Behr
patent: 5553890 (1996-09-01), Buhr et al.
patent: 5641131 (1997-06-01), Scmid et al.
patent: 5671949 (1997-09-01), Bauer et al.
patent: 5772246 (1998-06-01), Gordon
patent: 5785634 (1999-03-01), Wohlenberg et al.
patent: 5842344 (1998-12-01), Scmid
patent: 6089492 (2000-07-01), Nagata et al.

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