Patent ID: 8770619

Claim:
A head protecting airbag device comprising an airbag (i) in which plural expansive support portions are arranged from a front portion to a rear portion of a vehicle so as to communicate with each other, (ii) which is fixed to and held by a portion of a vehicle body in a folded state so as to extend along a top edge of a side wall of the vehicle and (iii) which develops like a curtain parallel with an inner surface of the side wall of the vehicle while the expansive support portions are expanded by a gas that is introduced from an inflator which operates when a collision is detected or predicted, wherein an airbag support belt is connected to a portion, in close proximity to a top edge of the airbag and close to an attachment position of the inflator, of the airbag, and when the inflator is attached to the airbag in the folded state, the airbag support belt is wound in one or more turns around the inflator in a circumferential direction of the inflator and a tip portion of the wound airbag support belt is fixed to the inflator to thereby cause the inflator to support a part of the folded airbag.