| 摘要 |
In a head portion protecting air bag apparatus in which an air bag ( 11 ) housed along a roof side rail ( 21 ) is inflated and deployed in a curtain-like shape along a vehicle compartment side wall by a gas supplied from an inflator ( 14 ) so as to protect a head portion of an occupant, the air bag ( 11 ) is provided with a front seat inflating portion ( 11 c), a rear seat inflating portion ( 11 d), and a gas passage ( 11 b) communicated with inflating chambers of both of these inflating portions ( 11 c , 11 d), a gas supply port ( 11 a) for supplying the gas supplied from the inflator ( 14 ) downward is provided corresponding to the gas passage ( 11 b), and an auxiliary inflating chamber ( 11 e 1 ) is provided corresponding to the gas supply port ( 11 a). |
