Patent attributes
A vehicle occupant protection device includes: an airbag that is configured to be stowed in a headrest, to receive a gas supply and is formed as a single bag body that, in an inflated and expanded state, includes a front inflation portion configured to be disposed at the front in a seat front-rear direction relative to a head of a vehicle occupant, and a pair of side inflation portions configured to be disposed at both sides in a seat width direction relative to the head of the vehicle occupant; an inflator that is fixed to an upper portion of a seatback frame in an attitude with a long dimension of the inflator in the seat width direction, the upper portion of the seatback frame extending in the seat width direction; and a fluid communication structure that communicates between the inflator and the airbag to allow a flow of gas.