Sensor for seat belt pretensioner

Details Sensor for seat belt pretensioner Sensor for seat belt pretensioner

1991-07-02

1992-11-24

Hill, Mitchell J.

Land vehicles

Wheeled

Attachment

180282, 242107, 200 6145R, 297480, B60R 2236, B65H 7548

Patent

active

051657180

ABSTRACT:
In a sensor for releasing the preload of a pretensioner spring in a seat belt pretensioner, a displacement-aiding spring is provided to apply a spring force in the direction of the displacement of an inertial body by an inertia force. When acceleration is detected, the force of the displacement-aiding spring and the inertia force of the inertial body combine to release the preload of the pretensioner spring.

REFERENCES:
patent: 3628384 (1971-12-01), Jones
patent: 4427216 (1984-01-01), Kato et al.
patent: 4927172 (1990-05-01), Motozawa

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