US Patent 11285904 Seat airbag for vehicle

A seat airbag for a vehicle includes a first cushion and a second cushion located at the upper end portion of a seatback and configured to be inflated upwards on opposite sides of an occupant sitting in a seat and subsequently to be bent downwards from an upper side of the occupant to cause an end portion of each of the first cushion and the second cushion to be located in front of the occupant. A third cushion is disposed between the first cushion and the second cushion to connect the first cushion and the second cushion to each other.