Airbag restraint system for motor vehicle
First Claim
1. An airbag restraint system for a motor vehicle, comprising:
- first and second airbags;
first inflating means for inflating said first airbag;
second inflating means for inflating said second airbag;
third inflating means for inflating said second airbag;
first driving means for driving said first inflating means, said first driving means being operated upon when supplied with electric current;
second driving means for driving said second inflating means, said second driving means being operated upon when supplied with electric current;
third driving means for driving said third inflating means;
means for operating said first and second driving means when a deceleration exceeding a predetermined level is applied to the vehicle;
retardation means for operating said third driving means upon lapse of a predetermined time after a timing at which said first and second driving means are operated; and
interrupting means for interrupting supply of electric current to said first and second driving means after said first and second inflating means starts to be driven.
1 Assignment
0 Petitions
Accused Products
Abstract
An airbag restraint system for an automotive vehicle has a first airbag disposed in its folded state in a steering wheel padding and a second airbag disposed in its folded state in a glove box. The first airbag is adapted to be fully inflated upon ignition of a first inflator. The second airbag is adapted to be inflated to some extent upon ignition of a second inflator, and fully inflated upon ignition of a third inflator. The first and second inflators are simultaneously ignited respectively under activations of first and second squibs. Immediately after starting of the ignition of the first and second inflators, an electronic power supply to the first and second squibs is stopped respectively upon breakage of first and second breakable conductor members through which an electric power is suppliable to the first and second squibs. The breakable conductor members are adapted to be broken respectively when the first and second airbags inflate. The third squib is late activated to ignite the third inflator after stopping of the electric power supply to the first and second squibs.
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Citations
7 Claims
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1. An airbag restraint system for a motor vehicle, comprising:
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first and second airbags; first inflating means for inflating said first airbag; second inflating means for inflating said second airbag; third inflating means for inflating said second airbag; first driving means for driving said first inflating means, said first driving means being operated upon when supplied with electric current; second driving means for driving said second inflating means, said second driving means being operated upon when supplied with electric current; third driving means for driving said third inflating means; means for operating said first and second driving means when a deceleration exceeding a predetermined level is applied to the vehicle; retardation means for operating said third driving means upon lapse of a predetermined time after a timing at which said first and second driving means are operated; and interrupting means for interrupting supply of electric current to said first and second driving means after said first and second inflating means starts to be driven. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification