Patent ID: 6206409
Filing Date: 2001-03-27
Classification: B60R

Abstract:
An air bag system comprising:an air bag having a center portion, a peripheral portion and an opening through which gas is supplied;a container for containing the air bag folded in a predetermined polygonal shape to position the opening at a bottom side of the air bag, the center portion being positioned in a central region of the polygonal shape and a part of the peripheral portion of the air bag being positioned at a corner of the polygonal shape;an expansion restraining member disposed around the folded air bag, the expansion restraining member comprisinga main portion passing through the center of the polygonal shape,forked portions formed at the corner of the polygonal shape so that the part of the peripheral portion may be inserted between and be held by the forked portions, anda first slit portion formed on the main portion dividing the main portion into two,wherein when the folded air bag is deployed, an expansion of the peripheral portion at the corner is delayed compared to an expansion of the center portion due to the expansion restraining member being fractured at the first slit portion to make the center portion free but temporarily holding the peripheral portion.