Patent ID: 8235418

Claim:
An airbag system for a vehicle, comprising: an inflatable rear curtain airbag configured to deploy adjacent a rear window positioned between rear pillars in the vehicle, wherein the rear curtain airbag includes an inflatable central region positioned between the rear pillars and first and second inflatable pillar lobes, wherein each of the first and second pillar lobes are positioned adjacent one of the rear pillars; an uninflatable sail panel attached to the rear curtain airbag, the sail panel being coupled at one end to a side roof rail above a side window and at an opposite end to one of the first and second pillar lobes, wherein the uninflatable sail panel covers at least a portion of the side window; a housing for the rear curtain airbag; and an inflator configured to provide inflation gas for inflating the rear curtain airbag, wherein the housing, rear curtain airbag, and inflator are mounted to a roof of the vehicle, wherein the rear curtain airbag is configured to bend along a substantially vertically extending first bend line dividing the central region from the first pillar lobe, and wherein the rear curtain airbag is configured to bend along a substantially vertically extending second bend line dividing the central region from the second pillar lobe, and wherein the first and second bend lines each include a zero depth tether.