Patent ID: 8414014
Filing Date: 2013-04-09
Classification: B60R

Abstract:
1. A curtain airbag device for a vehicle, comprising: a curtain airbag configured to be attached to a vehicle between a head lining side edge and a vehicle body along the head lining side edge, an inflator that introduces high-pressure gas to the curtain airbag to inflate the airbag, wherein, when the curtain airbag is inflated, the airbag applies pressure to the head lining side edge and causes the head lining side edge to separate from a pillar garnish upper end section, the airbag being is deployed from a downward opening, formed between the head lining side edge and the pillar garnish upper end section, and toward the interior side of a vehicle cabin, wherein the curtain airbag has a sub-chamber formed therein that is folded together with the curtain airbag, the sub-chamber being disposed adjacently thereto, the sub-chamber being deployed and inflated on the vehicle exterior side of the curtain airbag by the high-pressure gas introduced from the inflator; wherein the sub-chamber has a communication path formed therein that connects the sub-chamber to the curtain airbag; wherein the curtain airbag is provided with a tab cloth strip for supporting and fixing the curtain airbag, the tab cloth strip having an attachment section formed thereon that attaches the tab cloth strip to the vehicle body and an annular binding section that binds together the curtain airbag and the sub-chamber, and wherein the binding section has a tearing section formed therein that tears when the curtain airbag is deployed and inflated, the binding section also having an anchoring section joining the tab cloth strip to the curtain airbag.