Gas generator for tighteners on safety-belt retractors

Details Gas generator for tighteners on safety-belt retractors Gas generator for tighteners on safety-belt retractors

1987-07-30

1988-12-06

Bertsch, Richard A.

Land vehicles

Wheeled

Attachment

227 9, 60632, 297476, B60R 2236

Patent

active

047891858

ABSTRACT:
A gas generator for a tightener in a safety-belt retractor comprises a cylindrical housing secured at one of its ends to a transition member between the housing of the retractor and a piston/cylinder drive of the tightener. At its other end the housing has a radial collar. The housing accommodates a propellant charge with a detonator. A hollow sleeve is inserted into the housing and has an outer diameter adapted to the inner diameter of the housing and an inner diameter adapted to a cylindrical capsule housing. The capsule housing has a bottom enclosing the propellant charge and is connected to a cylindrical base member which is inserted into the housing. The base member has a radial face bearing on the radial collar of the housing. The sleeve has a radially inwardly directed collar on the inner surface of which the bottom of the capsule housing bears.

REFERENCES:
patent: 4385775 (1983-05-01), Shimogawa et al.
patent: 4458921 (1984-07-01), Chiba et al.
patent: 4541504 (1985-09-01), Lassche

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