Vehicle airbag system
First Claim
1. A vehicle airbag system comprising:
- an inflator supplying an airbag gas to an airbag cushion;
an airbag housing coupled with the inflator and having at least one housing vent hole discharging part of the airbag gas;
a tether connected to the airbag cushion at a first end thereof and fixed to the airbag housing at a second end thereof;
a retainer mounted in the airbag housing and guiding a movement of the tether; and
a restrictor coupled to the second end of the tether and blocking the housing vent hole when pulled by the tether;
wherein the retainer includes at least one retainer vent hole opposite the housing vent hole, and a pair of guide holes formed in a row in a pulling direction of the tether and supporting the tether.
1 Assignment
0 Petitions
Accused Products
Abstract
A vehicle airbag system may include an inflator supplying a gas to an airbag cushion, an airbag housing coupled with the inflator and having a housing vent hole to discharge a part of the gas supplied from the inflator, a retainer mounted in the airbag housing and coupled to the inflator, wherein the airbag cushion covers an opening of the retainer to supply the gas in the airbag cushion, the retainer including a guide hole and a retainer vent hole, and a tether connected to the airbag cushion at a first end portion thereof and fixed to the airbag housing at a second end portion thereof by passing through the guide hole of the retainer, wherein the tether includes a communication portion at the second portion thereof to form a hole therein so as to selectively permit an gas commutation between the airbag cushion and the outside through the retainer vent hole, the housing vent hole, and the hole of the communication portion.
20 Citations
10 Claims
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1. A vehicle airbag system comprising:
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an inflator supplying an airbag gas to an airbag cushion; an airbag housing coupled with the inflator and having at least one housing vent hole discharging part of the airbag gas; a tether connected to the airbag cushion at a first end thereof and fixed to the airbag housing at a second end thereof; a retainer mounted in the airbag housing and guiding a movement of the tether; and a restrictor coupled to the second end of the tether and blocking the housing vent hole when pulled by the tether; wherein the retainer includes at least one retainer vent hole opposite the housing vent hole, and a pair of guide holes formed in a row in a pulling direction of the tether and supporting the tether. - View Dependent Claims (2, 3, 4, 5)
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6. A vehicle airbag system comprising:
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an inflator supplying a gas to an airbag cushion; an airbag housing coupled with the inflator and having a housing vent hole to discharge a part of the gas supplied from the inflator; a retainer mounted in the airbag housing and coupled to the inflator, wherein the airbag cushion covers an opening of the retainer to supply the gas in the airbag cushion, the retainer including a guide hole and a retainer vent hole; and a tether connected to the airbag cushion at a first end portion thereof and fixed to the airbag housing at a second end portion thereof by passing through the guide hole of the retainer, wherein the tether includes a communication portion at the second portion thereof to form a hole therein so as to selectively permit gas commutation between the airbag cushion and the outside through the retainer vent hole, the housing vent hole, and the hole of the communication portion. - View Dependent Claims (7, 8, 9, 10)
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Specification