Patent ID: 7455355
Filing Date: 2008-11-25
Classification: B62J

Abstract:
1. An inflatable seat cushion comprising; (a) at least one inflatable and deflatable first cell configured and arranged to support ischial tuberosity bones and a coccyx bone of a human when seated on the cushion, (b) at least one inflatable and deflatable second cell configured and arranged to support at least a portion of left and right gluteus maximus muscles of a human when seated on the cushion without supporting the ischial tuberosity of the seated human, (c) a pump, and at least one flow control valve with accompanying tubing operable to mutually exclusively place the pump in fluid communication with the at least one first cell or the at least one second cell, wherein the at least one flow control valve is (i) opearable in a first mode for placing the pump in fluid communication with the at least one first cell whereby operation of the pump is effective for inflating the at least one first cell, (ii) operable in a second mode for placing the pump in fluid communication with the at least one second cell whereby operation of the pump is effective for inflating the at least one second cell, and (iii) operable in a third mode for placing the at least one first cell in fluid communication with the at least one second cell whereby pressure within the at least one first cell and the at least one second cell will equalize.