US Patent 12024112 Vehicle seat with restraint system

An assembly includes a seat bottom, a rear bladder, a front bladder, and a check valve. The seat bottom includes a rear seat cushion and a front seat cushion in a seat-forward direction from the rear seat cushion. At least one of the rear seat cushion or the front seat cushion is vertically movable relative to the other one of the rear seat cushion or the front seat cushion. The rear bladder supports the rear seat cushion. The front bladder supports the front seat cushion. The check valve fluidly connects the front bladder and the rear bladder. The check valve is oriented to permit fluid to pass from the rear bladder to the front bladder and block fluid from passing from the front bladder to the rear bladder.