US Patent 11377008 Vehicle seat

At a vehicle seat, resistance to relative displacement of a passenger in a left-right direction is larger at both left-right direction side portions of a front surface of an upper portion of a backrest than at a left-right direction central portion. Further, a seat cushion has left and right side reinforcing portions that reinforce portions of a cushion pad from outer sides in a left-right direction, and from obliquely lower sides, of front-rear direction central portions of thigh portions of the passenger, and left and right lower surface reinforcing portions that reinforce portions of a lower surface of the cushion pad at outer sides in a left-right direction, and at obliquely lower sides, of buttock portions of the passenger.