Patent ID: 7832761
Filing Date: 2010-11-16
Classification: B60R,Y10T

Abstract:
1. A method of assembling an airbag device wherein an airbag is formed of front and back base fabrics, an inflator attachment opening is provided at a center of the back base fabric, a tubular tether belt is provided extending from a central position of the front base fabric to an inside of the bag, and the airbag is attached to an airbag cover, comprising, in the following order, the steps of: securing a peripheral edge of the inflator attachment opening of the airbag, extending the airbag integrally connected to a tip of the tubular tether belt and a rear end of the tubular tether belt to its full length; pulling back the tubular tether belt in extended state, thereby folding back the airbag around the tubular tether belt; folding the tubular tether belt and the airbag while being pulled back; and fixedly attaching the tip of the folded tubular tether belt to a central part of the back side of the airbag cover for containing the airbag therein, wherein the airbag is provided with a cushion ring having an opening at a central part thereof inserted within a peripheral edge of the inflator attachment opening of the airbag, further comprising the step of; securing the cushion ring before extending the airbag integrally connected to the tip and the rear end of the tubular tether belt to its full length.