US 11,752,966 B2
Side airbag device
Yuto Kobayashi, Kanagawa (JP); and Tsutomu Sakurai, Kanagawa (JP)
Assigned to Autoliv Development AB, Vargarda (SE)
Appl. No. 17/310,462
Filed by Autoliv Development AB, Vargarda (SE)
PCT Filed Dec. 23, 2019, PCT No. PCT/JP2019/050446
§ 371(c)(1), (2) Date Aug. 4, 2021,
PCT Pub. No. WO2020/162065, PCT Pub. Date Aug. 13, 2020.
Claims priority of application No. 2019-022181 (JP), filed on Feb. 9, 2019; and application No. 2019-137328 (JP), filed on Jul. 25, 2019.
Prior Publication US 2022/0126779 A1, Apr. 28, 2022
Int. Cl. B60R 21/231 (2011.01); B60R 21/207 (2006.01); B60R 21/233 (2006.01)
CPC B60R 21/23138 (2013.01) [B60R 21/207 (2013.01); B60R 21/233 (2013.01); B60R 2021/23146 (2013.01)] 17 Claims
OG exemplary drawing
1. A side airbag device for housing in a side support part of a vehicle seat, the side airbag device comprising:
an airbag for restraining an occupant by inflating and deploying; and,
an inflator for supplying inflation gas to the airbag;
the airbag includes a first bag housing the inflator on an inside thereof which is capable of inflating and deploying, and a second bag capable of inflating and deploying on a side of the first bag;
the second bag is configured so as to be deployed by inflation gas flowing in from the first bag;
the second bag has an inclined part formed at an upper edge thereof and is inclined so as to be lower at a front thereof than at a rear thereof when viewed from a vehicle width direction (lateral direction);
the inflator is disposed inside in the vehicle width direction relative to a side frame in the side support part;
the second bag is deployable outside in the vehicle width direction of the first bag, and
a capacity of the second bag is relatively greater than that of the first bag.