In order to provide an externally-developed airbag device in which side bag members are expanded along A pillars in expanding the airbag and in which even after the airbag has been fully expanded, the frontal view at the front side of the airbag from a dri...

This present invention provides variable deployment performance by controlling the quantity and fluid flow path of the inflator gas into or out of an air bag module (10) according to the present invention. The air bag module (10) includes a slide ring mech...