Fingerpiece controlled gas lighters

Claim 1

A HAND HELD PYROPHORIC DEVICE OF THE GAS FUEL TYPE COMPRISING: (A) A WALLED RESERVOIR FOR MAINTAINING HIGHLY VOLATILE FUEL UNDER PRESSURE IN ITS LIQUEFIED STATE AND HAVING A RESERVOIR OUTLET; (B) A BURNER VALVE ASSEMBLY INCLUDING: (1) A BURNER NOZZLE MOUNTED EXTERNALLY OF SAID RESERVOIR, (2) A FLUID PASSAGEWAY CONNECTING SAID RESERVOIR OUT WITH SAID BURNER NOZZLE, (3) A POSITIVE FLOW CONTROL MEANS MOVABLE FROM A FIRST POSITION SEALING SAID RESERVOIR OUTLET TO A SECOND POSITIN WHERE FLUID FLOW THROUGH SAID RESERVOIR OUTLET FROM SAID RESERVOIR IS UNRESTRICTED THEREBY, AND (4) A GRADUAL FLOW ADJUSTMENT MEANS MOVABLE OVER A RANGE OF POSITIONS WHEN SAID POSITIVE FLOW CONTROL MEANS IS IN SAID SECOND POSITION TO VARY THE RATE OF FLOW OF FLUID FROM SAID RESERVOIR THROUGH SAID BURNER NOZZLE; (C) IGNITION MEANS OPERABLE TO PRODUCE IGNITION OF FLUID PASSING OUT FROM SAID BURNER NOZZLE; AND (D) A FINGERPIECE CONNECTED TO SAID BURNER VALVE ASSEMBLY AND OPERABLE IN RESPONSE TO SIMPLE FINGER MOVEMENT TO MOVE SAID POSITIVE FLOW CONTROL MEANS FROM SAID FIRST POSITION TO SAID SECOND POSITION AND TO THEREAFTER MOVE SAID GRADUAL FLOW ADJUSTMENT MEANS OVER SAID RANGE OF POSITIONS.