Manifold gas valve

Claim 1

IN A MANIFOLD VALVE, THE COMBINATION COMPRISING A VALVE BODY HAVING AN INLET AND A MAIN OUTLET AND A PILOT OUTLET; A ROTARY VALVE HAVING A COAXIAL INLET AND A RADIAL OUTLET AND BEING MVOABLE BETWEEN "OF", "PILOT," "HIGH" AND "LOW" POSITIONS; A MANUALLY RESETTABLE SAFETY VALVE POSITIONED BETWEEN SAID BODY INLET AND SAID ROTARY VALVE INLET AND ARRANGED TO SEAT OVER THE COAXIAL INLET; A FIRST PASSAGEWAY LEADING FROM SAID BODY INLET TO SAID SAFETY VALVE; A SECOND PASSAGEWAY LEADING FROM SAID ROTAYR VALVE TO SAID MAIN OUTLET; A THIRD PASSAGEWAY LEADING FROM SAID ROTARY VALVE TO SAID MAIN OUTLET; AN ADJUSTABLE VALVE IN SAID THIRD PASSAGEWAY; A FOURTH PASSAGEWAY LEADING FROM SAID ROTARY VALVE TO SAID PILOT OUTLET, SAID FOURTH PASSAGEWAY BEING LOCATED SO AS TO BE IN REGISTRATION WITH THE OUTLET OF SAID ROTARY VALVE IN THE "PILOT," "HIGH" AND "LOW" POSITIONS THEREOF; SAID OUTLET OF SAID ROTARY VALVE BEING SELECTIVELY REGISTERABLE WITH SAID SECOND AND THIRD PASSAGEWAYS AT THE "HIGH" AND "LOW" POSITIONS OF THE ROTARY VALVE; A KNOB AXIALLY SLIDABLE ON SAID NON-ROTATABLY CONNECTED TO SAID ROTARY VALVE AND BIASED AWAY FROM SAID ROTARY VALVE; AN ABUTMENT MEMBER ON SAID VALVE BODY AND EXTENDING TOWARD SAID KNOB, SAID ABUTMENT MEMBER HAVING A TRANSVERSELY EXTENDING ARM; SAID KNOB HAVING FIRST ABUTMENT MEANS THEREON ARRANGED TO COOPERATE WITH SAID TRANSVERSELY EXTENDING ARM AND SHAPED TO PROVIDE FOR ONLY SLIGHT AXIAL MOVEMENT OF SAID KNOB IN THE "HIGH" AND "LOW" POSITONS THEREOF BUT TO PROVIDE FOR SUBSTANTIAL AXIAL MOVEMENT THEREOF IN THE "PILOT" POSITION THEREOF; SAID KNOB ALSO HAVING SECOND ABUTMENT MEANS THEREON ARRANGED TO COOPERATE WITH SAID TRANSVERSELY EXTENDING ARM TO PROVIDE FOR FREE ROTATION OF THE KNOB BETWEEN "HIGH" AND "PILOT" POSITIONS BUT REQUIRING SLIGHT AXIAL MOVEMENT OF THE KNOB TO FREE THE KNOB TO MOVE BETWEEH THE "OFF" AND "PILOT" POSITIONS AND TO MOVE FROM THE "HIGH" POSITION TO THE "LOW" POSITION; SAID KNOB HAVING MEANS ASSOCIATED THEREWITH THAT IS AXIALLY SLIDABLE THROUGH SAID ROTARY VALVE TO ENGAGE AND RESET SAID SAFETY VALVE WHEN THE ROTARY VALVE IS IN ITS "PILOT" POSITION AND THE KNOB IS MOVED AXIALLY, SAID SLIGHT MOVEMENT OF SAID KNOB IN THE "HIGH" AND "LOW" POSITIONS BEING INSUFFICIENT TO RESET THE SAFETY VALVE.