Standard automatic shut-off fuel servicing nozzle

Claim 1

AN AUTOMATIC FILLING NOZZLE FOR CONTROLLING THE FLOW OF FLUIDS INTO A CONTAINER COMPRISING: A BODY PORTION HAVING A SUBSTANTIALLY HORIZONTAL PASSAGEWAY FORMED THEREIN; A CENTRALLY DISPOSED SUBSTANTIALLY VERTICAL MAIN VALVE CHAMBER HAVING A MAIN VALVE SEAT AT ITS LOWER END FORMED IN SAID BODY PORTION; A SPOUT PORTION LEADING ANGULARLY DOWNWARDLY FROM SAID BODY PORTION BEYOND SAID MAIN VALVE SEAT HAVING A PASSAGEWAY THERETHROUGH, SAID PASSAGEWAYS IN SAID BODY PORTION AND SPOUT PORTION IN CONJUNCTION WITH SAID MAIN VALVE CHAMBER FORMING A SINGLE PASSAGEWAY FOR THE DELIVERY OF FLUID THROUGH SAID FILLING NOZZLE; A VALVE CAGE FIXEDLY SUPPORTED IN SAID MAIN VALVE CHAMBER; A CYLINDRICAL CHAMBER FORMED IN A LOWER FOOT PORTION OF SAID CAGE; A VERTICALLY MOVABLE MAIN VALVE CLOSELY FITTED IN SAID CYLINDRICAL CHAMBER FOR COOPERATION WITH SAID MAIN VALVE SEAT; MEANS FOR RECIPROCATING SAID MAIN VALVE WITH RESPECT TO ITS SEAT; A BODY VENTURI LOCATED IN SAID HORIZONTAL PASSAGE OF SAID BODY PORTION UPSTREAM OF SAID CYLINDRICAL CHAMBER;