Gas lighter valve

Claim 1

A GAS VALVE ADAPTED FOR USE WITHIN ENCLOSED SPACES HAVING SUBSTANTIALLY NO VENTILATION, SAID VALVE BEING ADAPTED TO PREVENT THE ESCAPE OF GAS INTO SUCH SPACE, AND BEING OPERATED BY A KEY LOCATED IN A RELATIVELY WELLVENTILATED SPACE, THE VALVE INCLUDING: A HOUSING HAVING CONNECTORS ADAPTED TO RECEIVE INLET AND DISCHARGE CONDUITS AND MAKE A SEALING FIT THEREWITH; A ROTATABLE VALVE MEMBER BETWEEN SAID CONNECTORS, SELECTIVELY ADJUSTABLE TO ESTABLISH OR INTERRUPT A PASSAGEWAY FOR GAS FROM SAID INLET TO SAID DISCHARGE CONDUIT; A STEM ATTACHED TO SAID VALVE MEMBER AND OPERABLE TO ROTATE SAID MEMBER; SEPARABLE COUPLING MEANS ATTACHED TO SAID HOUSING AND SURROUNDING SAID STEM, SAID COUPLING MEANS AND SAID CONNECTORS PROVIDING THE ONLY POINTS OF ACCESS TO THE INTERIOR OF SAID HOUSING; THREADED MEANS MAKING A SEALING FIT WITH SAID COUPLING MEANS AND EXTENDING THEREFROM TOWARD SAID WELL VENTILATED SPACE; AND A PLATE ADAPTED TO BEAR AGAINST A PARTITION SEPARATING SAID WELL VENTILATED SPACE FROM SAID SPACE HAVING SUBSTANTIALLY NO VENTILATION, SAID PLATE ENGAGING SAID THREADED MEANS AND HAVING AN OPENING THROUGH WHICH SAID KEY MAY EXTEND TO ENGAGE AND ROTATE SAID STEM, WHEREBY, WHEN SAID INLET AND SAID DISCHARGE CONDUITS ARE SEALINGLY CONNECTED TO THEIR RESPECTIVE CONNECTORS, ANY LEAKAGE FROM SAID VALVE IS CONDUCTED BY SAID THREADED CYLINDRICAL MEANS TO SAID RELATIVELY WELL-VENTILATED SPACE, THEREBY PREVENTING THE ACCUMULATION OF GAS IN SAID SPACE HAVING SUBSTANTIALLY NO VENTILATION.