Venting device of air bag system

Details Venting device of air bag system Venting device of air bag system

1997-12-03

2000-01-25

Dickson, Paul N.

Land vehicles

Wheeled

Attachment

280735, B60R 2128

Patent

active

060170565

ABSTRACT:
An air bag system having an air bag, an impact sensor, and a calculator, including vent holes formed at a joint of the air bag and an inflator to communicate with the air bag; and vent hole opening control means for regulating the opening of the respective vent holes. The vent hole opening control means has a rotor with a plurality of slots formed along a circumference to overlap the vent holes, and a gear extending to the outside; a stepping motor engaging with the gear of the rotor to drive the rotor by stages; bearings provided to the inflator coupling disc to support the free rotation of the rotor; and a compression ring for making the bearings contact the rotor.

REFERENCES:
patent: 5184845 (1993-02-01), Omura
patent: 5709405 (1998-01-01), Saderholm et al.
patent: 5743558 (1998-04-01), Seymour

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