VEHICLE CURTAIN AIRBAG DEVICE

摘要

A vehicle curtain airbag device has a curtain airbag. The curtain airbag is configured such that: a front end side is Z-folded toward a vehicle width direction inner side, the curtain airbag is further folded top-to-bottom, and, in the stowed state, a front end portion at the Z-folded region is covered by a rear end portion of a front pillar garnish; a corner portion at a front end side and an upper end side of the front side sub chamber is formed in a circular arc shape; and in a mid-deployment state, a front end side and an upper end side of the Z-folded region are covered, the corner portion overlaps a vehicle width direction outer side of the rear end portion, and a rear end of the corner portion is positioned further to a vehicle rear side than a rear end of the front pillar garnish.

主权项

1. A vehicle curtain airbag device, comprising:
a curtain airbag including a front side sub chamber at a front side of a front side main chamber, the curtain airbag inflates and deploys along a vehicle cabin side section on being supplied with gas from an inflator, wherein a front end side at which the front side sub chamber is provided is Z-folded toward a vehicle width direction inner side, the curtain airbag is further folded top-to-bottom and stowed in an upper end portion of the vehicle cabin side section, and, in the stowed state, a front end portion at the Z-folded region is covered from the vehicle width direction inner side by a rear end portion of a front pillar garnish; wherein a corner portion at a front end side and an upper end side of the front side sub chamber is formed in a circular arc shape that is convex toward a front side and an upper side of the front side sub chamber; and wherein in a mid-deployment state of the curtain airbag in which the top-to-bottom folding is unfolded and the Z-fold is not unfolded, a front end side and an upper end side of the Z-folded region are covered from the vehicle width direction inner side by the rear end portion of the front pillar garnish, the corner portion overlaps a vehicle width direction outer side of the rear end portion of the front pillar garnish, and a rear end of the corner portion is positioned further to a vehicle rear side than a rear end of the front pillar garnish.