Patent ID: 7293721

Claim:
A fluid supply apparatus, comprising: a flow passageway having a first end for connection to a fluid supply and an outlet end; an outlet supply head releasably coupled to the outlet end of the flow passageway; a valve seat within the flow passageway, the valve seat having a shoulder and a central opening; a valve member mounted in the flow passageway on the opposite side of the valve seat to the outlet supply head, the valve comprising a disc having an outer periphery and a central portion, the outer periphery of the disc being held against the valve seat and the central portion being movable between an open position spaced from the valve seat and a closed position seated against the valve seat to close the central opening under pressure, the valve member having at least one opening which is open when the central portion of the valve member is in the open position; and an actuator mounted in the flow passageway between the outlet supply head and the valve seat, the actuator having a piston for projecting through the central opening in the valve seat to push the central portion of the valve disc into the open position when the actuator is in an operative position; the actuator being held in the operative position when the outlet supply head is coupled to the flow passageway.