Vehicle curtain airbag device
First Claim
1. A vehicle curtain airbag device comprising:
- an inflator that is activated to discharge a gas at both a time of a side impact and a time of a frontal impact, the frontal impact including at least a small overlap impact and an oblique impact;
a curtain airbag which, when the gas from the inflator is supplied thereto, becomes inflated and deployed in a shape of a curtain in a vehicle downward direction from a vehicle width direction outer end portion of a vehicle ceiling;
the curtain airbag comprising a rear seat side impact chamber configured to be disposed on a vehicle width direction outer side of a head of an occupant who is seated in a rear seat and wearing a three-point seat belt device;
the curtain airbag comprising a front chamber disposed on a vehicle front side of the rear seat side impact chamber with a non-inflating portion being interposed in between, and a thickness of the front chamber, measured inward in the vehicle width direction from the non-inflating portion, in a completely deployed state of the curtain airbag, is thinner than a thickness of the rear seat side impact chamber measured inward in the vehicle width direction from the non-inflating portion; and
a protective cloth that is configured separately from the curtain airbag, is anchored to at least an upper edge side of the curtain airbag, is disposed ranging from a vehicle width direction inner surface of a front portion of the rear seat side impact chamber to a vehicle width direction inner surface of a rear portion of the front chamber, in the completely deployed state of the curtain airbag, and covers, from a vehicle width direction inner side, a recess portion that has different heights in a bag thickness direction and that is formed between the front portion of the rear seat side impact chamber and the rear portion of the front chamber.
1 Assignment
0 Petitions
Accused Products
Abstract
There is provided a vehicle curtain airbag device including: an inflator; a curtain airbag; a rear seat side impact chamber; a front chamber; and a protective cloth that is configured separately from the curtain airbag, is anchored to at least an upper edge side of the curtain airbag, is disposed ranging from a vehicle width direction inner surface of a front portion of the rear seat side impact chamber to a vehicle width direction inner surface of a rear portion of the front chamber, in the completely deployed state of the curtain airbag, and covers, from a vehicle width direction inner side, a recess portion that has different heights in a bag thickness direction and that is formed between the front portion of the rear seat side impact chamber and the rear portion of the front chamber.
-
Citations
7 Claims
-
1. A vehicle curtain airbag device comprising:
-
an inflator that is activated to discharge a gas at both a time of a side impact and a time of a frontal impact, the frontal impact including at least a small overlap impact and an oblique impact; a curtain airbag which, when the gas from the inflator is supplied thereto, becomes inflated and deployed in a shape of a curtain in a vehicle downward direction from a vehicle width direction outer end portion of a vehicle ceiling; the curtain airbag comprising a rear seat side impact chamber configured to be disposed on a vehicle width direction outer side of a head of an occupant who is seated in a rear seat and wearing a three-point seat belt device; the curtain airbag comprising a front chamber disposed on a vehicle front side of the rear seat side impact chamber with a non-inflating portion being interposed in between, and a thickness of the front chamber, measured inward in the vehicle width direction from the non-inflating portion, in a completely deployed state of the curtain airbag, is thinner than a thickness of the rear seat side impact chamber measured inward in the vehicle width direction from the non-inflating portion; and a protective cloth that is configured separately from the curtain airbag, is anchored to at least an upper edge side of the curtain airbag, is disposed ranging from a vehicle width direction inner surface of a front portion of the rear seat side impact chamber to a vehicle width direction inner surface of a rear portion of the front chamber, in the completely deployed state of the curtain airbag, and covers, from a vehicle width direction inner side, a recess portion that has different heights in a bag thickness direction and that is formed between the front portion of the rear seat side impact chamber and the rear portion of the front chamber. - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
Specification