Patent ID: 9487180
Filing Date: 2016-11-08
CPC Classification: B60R

Claim Text:
1. A vehicular curtain airbag apparatus having a vehicular curtain airbag that is deployed and inflated along a side surface portion of a vehicle interior from an upper side to a lower side of the side surface portion, the vehicular curtain airbag apparatus comprising: a main chamber formed in the curtain airbag and having a front end enabled to be deployed and inflated downward at a position near a front pillar of the vehicle; an additional chamber being enabled to be deployed and inflated, formed in the curtain airbag and positioned further toward a vehicle front side than the front end of the main chamber, and separated from the main chamber by a partition portion set between the front pillar and an inflation area of a driver seat airbag or a passenger seat airbag; and a communication portion formed in the partition portion so as to penetrate the partition portion thereby allowing the main chamber and the additional chamber to communicate with each other, wherein the additional chamber is folded back near the partition portion toward the vehicle interior and toward a rear of the vehicle so as to overlap the main chamber, and parts of a resultant overlapping portion corresponding to upper portions of the main chamber and the additional chamber or vicinities of these parts are coupled together to form a chamber coupling portion, wherein the vehicular curtain airbag apparatus comprises a bridge member defining the chamber coupling portion and having an appropriate length provided between the additional chamber and the main chamber folded back so as to face each other, to bridge the additional chamber and the main chamber by a desired distance, and the additional chamber is deployed and inflated in a predetermined area in front of the inflation area of the driver seat airbag or the passenger seat airbag in the vehicle.