Hydrocarbon burning device with orifice cleaning means

Claim 1

IN COMBINATION WITH A PORTABLE HYDROCARBON BURNING APPLIANCE HAVING A SELF-CONTAINED SOURCE OF HYDROCARBON FUEL, A CLEANING DEVICE COMPRISING A TUBULAR CHAMBERED FITTING HAVING ONLY AXIAL OPENINGS THEREIN AND ARRANGED TO HAVE THE LONGITUDINAL AXIS OF THE TUBULAR FITTING IN AN UPRIGHT POSITION DURING NORMAL OPERATION OF THE APPLIANCE, MEANS FOR COMMUNICATING SAID CHAMBERED FITTING WITH SAID SELF-CONTAINED SOURCE OF HYDROCARBON FUEL, A FUEL DISCHARGE ORIFICE ABOVE AND COMMUNICATING WITH THE CHAMBER IN SAID FITTING, A WEIGHT GRAVITATIONALLY MOVABLE WITHIN AND TOTALLY ENCLOSED IN SAID CHAMBER AND OF LESS LENGTH THAN THE LENGTH OF SAID CHAMBER, AN ELONGATED CLEANING WIRE ADAPTED FOR SLIDING THROUGH SAID ORIFICE CARRIED BY AND PROJECTING FROM SAID WEIGHT TOWARD SAID ORIFICE AND TERMINATING SPACED THEREFROM WHEN SAID FITTING IS IN SAID NORMAL POSITION, SAID APPLIANCE BEING CONSTRUCTED AND ARRANGED TO BE INVERTED, WHEREBY WHEN IN SAID NORMAL POSITION THE PRESENCE OF THE WEIGHT AND CLEANING WIRE IN SAID CHAMBER PERMITS FREE FLOW OF HYDROCARBON FUEL AROUND AND PAST SAID ENTIRE WEIGHT AND WIRE AND FOR UNRESTRICTED PASSAGE THROUGH SAID DISCHARGE ORIFICE, AND WHEREBY WHEN SAID APPLICANCE AND THEREBY SAID FITTING IS TURNED UPSIDE DOWN RELATIVE TO SAID NORMAL POSITION, SAID WEIGHT EFFECTS PROJECTION OF SAID CLEANING WIRE INTO SAID ORIFICE TO CLEAN SAID ORIFICE.