Patent ID: 9487179
Filing Date: 2016-11-08
CPC Classification: B60R

Claim Text:
1. A curtain airbag which is configured to be deployed downward along a side surface of an interior of a vehicle, the curtain airbag comprising: a curtain airbag main body that is inflated by gas from an inflator; and a tie panel that is arranged on an opposite-interior surface of a tie panel arranging portion and that is connected to an upper portion and a lower portion of the curtain airbag main body by an upper connection unit and a lower connection unit respectively, the tie panel arranging portion being a middle part of the curtain airbag main body in a front and rear direction of the vehicle, wherein the curtain airbag main body includes: wherein the coupling portion includes: wherein a length of the tie panel from the upper connection unit to the lower connection unit is shorter than a length of the curtain airbag main body from the upper connection unit to the lower connection unit, wherein the inner coupling portion includes radial coupling portions which are provided to extend in three or more multi radial directions from a center portion of the tie panel arranging portion or a vicinity of the center portion, wherein a plurality of inflation chambers are delimited in the tie panel arranging portion by the radial coupling portions, and wherein a communication portion is provided between at least two radial coupling portions and is provided on the center portion of the tie panel arranging portion or the vicinity of the center portion to communicate at least two inflation chambers with each other.