| 主权项 |
1. A curtain airbag apparatus comprising:
an inflator which generates gas; a curtain airbag which is inflated when the gas flows into the curtain airbag; and an auxiliary airbag which is coupled to the curtain airbag, and protrudes into the interior of a vehicle while being inflated when the gas flowing into the curtain airbag flows into the auxiliary airbag, wherein a vent hole through which gas is discharged is formed in the curtain airbag, and the auxiliary airbag is coupled to the curtain airbag while shielding the vent hole, and inflated when gas discharged through the vent hole flows into the auxiliary airbag, wherein a gas inlet portion to which the inflator is coupled is formed in the curtain airbag, and the vent hole is formed further forward than the gas inlet portion, and wherein at least one non-expandable portion, which is not inflated, is formed in the curtain airbag in a section in a front and rear direction from a portion where the vent hole is formed to a portion where the gas inlet portion is formed, an upper end of the at least one non-expandable portion is disposed to be lower than the gas inlet portion, the number of vent holes is more than one, and at least one vent hole is disposed to be higher than the upper end of the at least one non-expandable portion. |
