US Patent 11458923 Vehicle airbag system

Provided is an airbag system for a vehicle including an airbag cushion that is mounted on an upper end of a seatback and deployed forward to be located on both sides of the head of an occupant so as to limit upward movement of the occupant by restraining an upper body of the occupant in the event of a vehicle collision; an inflator that supplies gas to the airbag cushion in the event of the vehicle collision; and an external tether that has one end fixed to the airbag cushion and the other end fixed to the seatback.