US 11,950,645 B2
Wearable airbag device
Toshihito Yanagisawa, Kiyosu (JP); Yusuke Kawamura, Kiyosu (JP); and Wataru Miura, Kiyosu (JP)
Assigned to TOYODA GOSEI CO., LTD., Aichi (JP)
Filed by TOYODA GOSEI CO., LTD., Kiyosu (JP)
Filed on Dec. 17, 2021, as Appl. No. 17/554,185.
Claims priority of application No. 2021-017574 (JP), filed on Feb. 5, 2021.
Prior Publication US 2022/0248779 A1, Aug. 11, 2022
Int. Cl. A41D 13/05 (2006.01); A41D 13/018 (2006.01)
CPC A41D 13/0506 (2013.01) [A41D 13/018 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A wearable airbag device comprising:
a wearable member that is adapted to be worn by a wearer;
a gas generator that is held by the wearable member and is configured to discharge an inflation gas; and
an airbag that is held by the wearable member and is configured to be inflated with the inflation gas fed from the gas generator for protecting one or more targeted body parts of the wearer,
wherein the airbag includes:
a bag body that forms an outer shell of the airbag which includes an inner wall that is adapted to face the wearer when worn and an outer wall that is adapted to face away from the wearer when worn, the bag body including one or more protecting inflatable portions that are configured to cover the one or more targeted body parts respectively when inflated; and
an inner bag that is disposed inside the bag body and configured to be inflated with the inflation gas fed from the gas generator, the inner bag including one or more supply ports for forwarding the inflation gas fed from the gas generator to the bag body to inflate the bag body;
wherein each of the one or more supply ports of the inner bag is configured to emit the inflation gas toward one of the one or more protecting inflatable portions and toward the outer wall,
wherein an upper edge side of the inner bag is joined to the inner wall of the bag body,
wherein the bag body as inflated includes:
two hip protecting portions that are respectively located at left and right regions of the bag body for covering left and right trochanters of femurs of the wearer, each of the two hip protecting portions serving as the protecting inflatable portion; and
a communicating portion that is located between the two hip protecting portions in a vicinity of an upper edge of the bag body, the communicating portion being in gas communication with both of the two hip protecting portions, and the communicating portion being adapted to be disposed at the back of the wearer when worn; and
the inner bag includes:
a central portion that is disposed between the two hip protecting portions, the central portion being configured to receive the inflation gas from the gas generator; and
a left portion and a right portion that respectively extend from opposite ends of the central portion in a left and right direction, each of the left portion and the right portion being disposed in a vicinity of an upper edge of each of the two hip protecting portions inside the bag body,
wherein the one or more supply ports comprise at least two supply ports, and each of the left portion and the right portion are provided with a supply port of the one or more supply ports at a leading end thereof.