US 12,459,458 B2
Cushion airbag device
Kenichiro Koshizako, Nagoya (JP); Jiro Ohachi, Shizuoka-ken (JP); and Takuma Kawai, Okazaki (JP)
Assigned to TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed by TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed on Nov. 28, 2024, as Appl. No. 18/963,515.
Claims priority of application No. 2024-014478 (JP), filed on Feb. 1, 2024.
Prior Publication US 2025/0249857 A1, Aug. 7, 2025
Int. Cl. B60R 21/207 (2006.01); B60R 21/235 (2006.01); B60R 21/237 (2006.01); B60R 21/26 (2011.01)
CPC B60R 21/207 (2013.01) [B60R 21/235 (2013.01); B60R 21/237 (2013.01); B60R 21/26 (2013.01); B60R 2021/23509 (2013.01); B60R 2021/23576 (2013.01); B60R 2021/26094 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A cushion airbag device comprising:
a cushion airbag configured to be provided at a lower portion of a seat cushion in a vehicle seat of a vehicle, wherein the cushion airbag is configured to inflate in an up-down direction of the vehicle when gas is supplied from a pressure accumulation tank;
a control valve that is provided in a first pipe communicating the cushion airbag with the pressure accumulation tank, wherein the control valve is configured to adjust an internal pressure of the cushion airbag;
an exhaust valve that is provided in the first pipe between the control valve and the cushion airbag, wherein the exhaust valve is configured to exhaust the gas from an inside of the cushion airbag; and
a switching valve that is provided in a second pipe communicating the cushion airbag with the pressure accumulation tank, wherein the switching valve is configured to open at a time of a collision of the vehicle.