Airbag device
First Claim
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1. An airbag device comprising:
- an inflator;
an airbag communicating with the inflator for undergoing inflation by a gas generated from the inflator; and
a holding member for holding the airbag in a state as folded and contained therein, and pressing down the outer circumferential side of the airbag, to thereby restrain inflation and expansion of the airbag in the direction of the side thereof in a state in which, the gas generated from the inflator causes at least the initial expansion of the airbag,wherein a gas rectification member for rectifying and guiding the gas generated from the inflator up to the vicinity of a part of the airbag, inflating in the initial expansion thereof, is provided substantially at the central part of the airbag;
wherein the holding member has an opening facing to the part of the airbag that will be inflated in the initial expansion thereof, and the opening remains intact as the airbag inflates and expands through the opening.
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Abstract
There is provided an airbag device being excellent in performance of protection of an occupant wherein a folded airbag (10) undergoes sequential and orderly expansion starting from a region where the expansion ought to be started. It is characterized in that a gas rectification member (12′) for rectifying and guiding a gas generated from an inflator (30) up to the vicinity of a part of the airbag (10), inflating in the initial expansion thereof, is provided substantially at the central part of the airbag (10).
22 Citations
9 Claims
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1. An airbag device comprising:
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an inflator; an airbag communicating with the inflator for undergoing inflation by a gas generated from the inflator; and a holding member for holding the airbag in a state as folded and contained therein, and pressing down the outer circumferential side of the airbag, to thereby restrain inflation and expansion of the airbag in the direction of the side thereof in a state in which, the gas generated from the inflator causes at least the initial expansion of the airbag, wherein a gas rectification member for rectifying and guiding the gas generated from the inflator up to the vicinity of a part of the airbag, inflating in the initial expansion thereof, is provided substantially at the central part of the airbag; wherein the holding member has an opening facing to the part of the airbag that will be inflated in the initial expansion thereof, and the opening remains intact as the airbag inflates and expands through the opening. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification