Linear drive for a belt pretensioner

Details Linear drive for a belt pretensioner Linear drive for a belt pretensioner

1993-04-27

1995-04-04

Tyson, Karin L.

Land vehicles

Wheeled

Attachment

297480, B60R 2246

Patent

active

054030374

ABSTRACT:
The linear drive for a belt pretensioner in a vehicle safety belt system excels by its elongated slim configuration and is thus suitable for incorporating in the longitudinal direction of the vehicle. The gas generator (20) is provided with an impact fuse which interacts with a spring-loaded striker (32). The striker (32) is maintained in its rest position by locking means (48). By means of a slidable sensor inertial body (26) in a housing (12) the lock can be cancelled to release the striker (32). The housing which also accommodates the gas generator (20) is located in the elongation of the cylinder (10) to which it is rigidly connected. Sensor inertial body (26) and striker (32) are movable in parallel to the axis of the cylinder, thus achieving the slim configuration.

REFERENCES:
patent: 3638501 (1972-02-01), Prachar
patent: 4441738 (1984-04-01), Tsuge et al.
patent: 5129680 (1992-07-01), Mori
patent: 5143403 (1992-09-01), Fohl
patent: 5149134 (1992-09-01), Fohl
European Search Report EP 93 10 7295.

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