Carburetor float valve

Claim 1

IN A CARBURETOR HAVING A FUEL BOWL, A FUEL INLET TO SAID BOWL, A VALVE MECHANISM CONTROLLING SAID FUEL INLET, AND A FLOAT OPERATIVELY CONNECTED TO SAID VALVE MECHANISM FOR ACTUATING THE SAME IN RESPONSE TO CHANGES IN FUEL LEVEL IN SAID BOWL; THE IMPROVEMENT IN SAID VALVE MECHANISM COMPRISING, (1) A VALVE BODY, (2) A PASSAGE IN SAID VALVE BODY FORMING A PART OF THE FUEL INLET TO THE FUEL BOWL, (3) A VALVE SEAT AROUND ONE END OF SAID PASSAGE, (4) A FLOAT OPERATED REVERSIBLE VALVE ELEMENT COOPERATING WITH SAID VALVE SEAT, SAID VALVE ELEMENT BEING A PLUG OF FLEXIBLE AND RESILIENT RUBBER-LIKE MATERIAL WITH A MINIMUM DIAMETER GREATER THAN SAID SEAT TO PROVIDE END FACES ON SAID PLUG, EITHER OF WHICH IS ADAPTED TO ENGAGE SAID SEAT AND CLOSE SAID INLET, (5) RELATIVELY RIGID MEANS PROVIDED WITH AN APERTURE IN WHICH THE OUTER PERIPHERY OF SAID PLUG TIGHTLY FITS TO LIMIT FLEXING OF SAID PLUG, SAID VALVE ELEMENT AND RIGID MEANS CONSTITUTING A REVERSIBLE UNIT, (6) ACTUATOR MEANS SEPARATE FROM SAID VALVE PROVIDING A ROCKABLE SUPPORT FOR SAID PLUG RELATIVE TO SAID SEAT, AND (7) MEANS GUIDING SAID VALVE TOWARD AND AWAY FROM SAID SEAT LOCATED IN SPACED RELATION TO SAID MEANS TO LIMITING FLEXING OF SAID PLUG AND SEPARATE THEREFROM.