Patent ID: 7758068

Claim:
A curtain airbag device, comprising: a gas generator; and a curtain airbag configured to be deployed downward along an inner side surface of a vehicle cabin, wherein the curtain airbag comprises a front portion configured to be fixed to at least two sections of a pillar of a vehicle such that the front portion is disposed along a direction in which the pillar extends, wherein the at least two sections comprise a first section disposed closer towards a top end of the pillar, and a second section disposed lower than the first section, wherein a virtual equilateral triangle having a line connecting the first and second sections as a first side of the equilateral triangle is formed in the front portion of the curtain airbag, wherein the first side of the equilateral triangle is substantially parallel to one edge of the curtain airbag, and a second side of the equilateral triangle is substantially parallel to another edge of the curtain airbag, wherein a region surrounded by the sides of the equilateral triangle includes a portion of an inflatable chamber that is configured to be inflated by receiving gas from the gas generator, and wherein the portion of the inflatable chamber extends forward in a direction substantially perpendicular to the line connecting the first and second sections.