Control mechanism for pretensioners in a safety belt system or f

Details Control mechanism for pretensioners in a safety belt system or f Control mechanism for pretensioners in a safety belt system or f

1991-04-16

1993-02-23

Bollinger, David H.

Land vehicles

Wheeled

Attachment

280734, B60R 2236

Patent

active

051883937

ABSTRACT:
For triggering of a pretensioner or a gas-bag restraining system in vehicles a vehicle-sensitive inertia mass pivotally mounted in a housing is provided. A strike piece pivotally mounted in the housing and spring-loaded in the direction of a firing pin bears via a roller on a cam face of the inertia mass. The configuration of the cam face, the path of movement of the roller on a pivot movement of the spring-loaded strike piece and the direction of movement of the inertia mass are adapted to each other in such a manner that the triggering criteria of an electronic trigger circuit integrating the deceleration values above a predetermined threshold with respect to time are simulated.

REFERENCES:
patent: 4538774 (1985-09-01), Kawaguchi et al.
patent: 4932722 (1990-06-01), Motozawa
patent: 5039127 (1991-08-01), Fohl

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