Combustion valve assembly for gas lighter

Claim 1

A COMBUSTION VALVE ASSEMBLY COMPRISING A CYLINDRICAL CASING HAVING A FIRST BORE EXTENDING INTO SAID CASING FROM ONE END THEREOF AND A SECOND BORE EXTENDING INTO SAID CASING FROM THE OTHER END THEREOF, SAID FIRST AND SECOND BORES BEING IN COMMUNICATION, ONE WITH THE OTHER, AN INTERMEDIATE VALVE SLIDABLY RECEIVED IN SAID FIRST BORE AND HAVING A PASAGE THERETHROUGH INCLUDING A VALVE SEAT, AN ADJUSTING MEMBER ADJUSTABLY POSITIONABLE IN SAID FIRST BORE AND HAVING ONE END IN CONTACT WITH SID INTERMEDIATE VALVE, A SPOUTING NOZZLE HAVING A GAS BORE THERETHROUGH SLIDABLY MOUNTED THROUGH SAID ADJUSTING MEMBER AND EXTENDING INTO SAID INTERMEDIATE VALVE, AN ELASTIC VALVE MEMBER SECURED TO SAID SPOUTING NOZZLE AND ADAPTED TO COOPERATE WITH SAID VALVE SEAT FOR CONTROLLING THE FLOW OF GAS THEREBETWEEN, SPRING BIASING MEANS ACTING BETWEEN SAID ADJUSTING MEMBER AND SAID SPOUTING NOZZLE FOR URGING SAID ELASTIC VALVE MEMBER TOWARD SAID VALVE SEAT, AN ADJUSTING SCREW ADJUSTABLY POSITIONABLE IN SAID SECOND BORE AND HAVING A TOP SURFACE IN SPACED PARALLEL RELATION WITH THE BOTTOM SURFACE OF SAID INTERMEDIATE VALVE, SAID ADJUSTING SCREW INCLUDING MEANS DEFINING AT LEAST ONE PASSAGE FOR THE FLOW OF GAS TO SAID VALVE SEAT AND PROVIDED WITH PROJECTION MEANS ADAPTED TO PARTIALLY ENTER THE LOWER END OF SAID VALVE SEAT, AND AN ABOSRBENT MEDIUM EXTENDING THROUGH SAID PASSAGE AND INTO THE SPACE DEFINED BY SAID ADJUSTING SCREW TOP SURFACE AND SAID SPACE DEFINED BY SAID ADJUSTING SCREW WHEREBY THE VOLUME OF SAID SPACE MAY BE ADJUSTED BY ADJUSTMENT OF SAID ADJUSTING SCREW TO CONTROL THE PRESSURE APPLIED TO SAID ABSORBENT MEDIUM AND THEREBY CONTROL THE RATE OF FLOW OF THE GAS THERETHROUGH, SAID ADJUSTING SCREW MEANS DEFINING AT LEAST ONE PASSAGE COMPRISING A PAIR OF SYMMETRICAL FLAT SIDE PORTIONS ON THE PERIPHERAL SURFACE OF SAID ADJUSTING SCREW, SAID ABOSRBENT MEDIUM OVERLYING THE TOP SURFACE OF SAID ADJUSTING SCREW AND PASSING THROUGH THE PASSAGES DEFINED BY EACH OF SAID FLAT SIDE PORTION AND THE INNER WALL OF SAID SECOND BORE, WHEREBY SAID ABSORBENT MEDIUM MAY EXTEND INTO A GAS RESERVOIR IN WHICH SAID COMBUSTION VALVE ASSEMBLY IS ADAPTED TO BE MOUNTED.