| 摘要 |
An airbag apparatus for a vehicle has a case with an opening that is blocked by a cover that can be burst open, an airbag folded up within the case, and an inflator that ejects gas via a gas guide port into the airbag. Gas ejected from the inflator inflates the airbag inside the case, so as to burst the cover, enabling the airbag to deploy within the vehicle passenger compartment. The airbag branches at the gas guide port into a small-capacity sub-expansion part and a large-capacity main expansion part, the sub-expansion part being disposed on a front window panel side positioned at the front of the passenger compartment, and the main expansion part being positioned toward a passenger in the passenger compartment.
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