Variable flame type gas burner

Claim 1

IN COMBINATION, IN A BURNER FOR A GASEOUS FUEL, AN AXIALLY EXTENDING TUBULAR BODY, A HOLLOW NOZZLE EXTENDING AXIALLY AND GENERALLY CENTRALLY OF SAID BODY A LATERAL PLATE SURROUNDING SAID NOZZLE AND MOUNTED THEREON FOR MOVEMENT GENERALLY AXIALLY WITHIN SAID BODY SAID NOZZLE HAVING AN OUTLET MEMBER GENERALLY ADJACENT THE INNER END OF SAID NOZZLE AND SAID BODY TO DISCHARGE FUEL INWARDLY OF SAID PLATE IN ANY OPERATIVE POSITION THEREOF, SAID PLATE HAVING A PLANAR FACE TRANSVERSE TO THE AXIS OF SAID NOZZLE, THE OPERATIVE PERIPHERAL EDGE OF SAID PLATE BEING SPACED A SUBSTANTIALLY UNIFORM DISTANCE FROM THE INSIDE OF SAID BODY IN ANY OPERATIVE POSITION OF SAID PLATE, SAID BODY HAVING AN INLET FOR COMBUSTION AIR POSITIONED AXIALLY OUTWARDLY OF SAID MEMBER AND SAID PLATE, SAID BODY ALSO HAVING A PORTION OF SUBSTANTIALLY CONSTANT CROSS