US Patent 11325558 Airbag apparatus

An airbag apparatus may include: an inflator configured to jet gas in case of a collision of a vehicle; a first cushion inflated by the gas jetted by the inflator, and configured to support the head of a passenger in case of a head-on collision of the vehicle; a second cushion connected to the first cushion so as to be supported by the first cushion, and configured to suppress the head of the passenger from moving in a diagonal direction in case of an oblique collision of the vehicle; a connection tube configured to connect the first and second cushions such that the gas of the inflator moves from the first cushion to the second cushion; and a control tether connected to the first cushion and the connection tube.