| 摘要 |
An airbag of a vehicle is provided to prevent the inside pressure of the airbag from being abruptly dropped. An airbag of a vehicle(10) includes an airbag vent hole(12) and a vent hole opening and closing unit(20). The airbag vent hole is installed to discharge the gas inside the airbag when inflating the airbag. The vent hole opening and closing unit is installed at the airbag vent hole to inflate and shrink the airbag vent hole by the inside pressure of the airbag. |
