| 摘要 |
An object is to prevent an airbag from bursting out toward an occupant and to inflate and deploy the airbag in a stable manner. An inner bag (30A) inflates with gas supplied from an inflator (3). An outer bag (20) inflates with the gas supplied through a flow port in the inner bag (30A). A restriction member (40A) restricts the movement of a front surface of the outer bag (20) in the occupant direction. An opening (41) in the restriction member (40A) is engaged with the outer circumference of the inflated inner bag (30A) and moves in the occupant direction along the outer circumference of the inner bag (30A) in accordance with the inflation of the outer bag (20). The restriction member (40A) moves the front surface of the outer bag (20) in accordance with the movement of the opening (41).
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