Adjustable nozzle

Claim 1

AN ADJUSTABLE NOZZLE COMPRISING A ONE-PIECE BODY HAVING FIRST AND SECOND ANGULARLY RELATED PARTS, SAID FIRST PART HAVING A NOZZLE PASSAGE THERETHROUGH WITH FIRST AND SECOND OPENINGS TO THE EXTERIOR OF SAID NOZZLE AT OPPOSITE ENDS THEREOF RESPECTIVELY, SAID FIRST OPENING DEFINING A FLUID EXIT OPENING, SAID NOZZLE PASSAGE HAVING FIRST AND SECOND SECTIONS OF RELATIVELY INCREASING INTERNAL SIZE, SAID FIRST SECTION BEING LOCATED NEARER TO SAID FIRST OPENING THAN SAID SECOND SECTION AND BEING LOCATED BETWEEN AND SPACED FROM SAID FIRST AND SECOND OPENINGS, SAID SECOND PART HAVING A FEEDING PASSAGE THERETHROUGH OPEN AT ONE END TO THE EXTERIOR OF SAID NOZZLE AND OPEN AT THE OTHER END TO SAID FIRST SECTION OF SAID NOZZLE PASSAGE, SAID FEEDING PASSAGE MEETING SAID NOZZLE PASSAGE AT SAID FIRST SECTION THEREOF, THE INNER SURFACE OF SAID BODY ALONG SAID FIRST SECTION OF SAID NOZZLE PASSAGE BEING PROVIDED, AT LEAST IN PART OPPOSITE SAID FEEDING PASSAGE AND EXTENDING TO AND OPENING ON SAID SECOND SECTION OF SAID NOZZLE PASSAGE, WITH AN INTERNALLY THREADED PORTION, THE THREADS OPPOSITE SAID FEEDING PASSAGE BEING INTERRUPTED WHERE SAID FEEDING PASSAGE MEETS WITH SAID NOZZLE PASSAGE, A UNITARY VALVE MEMBER MOVABLE IN SAID NOZZLE PASSAGE, HAVING A PART EXTENDING OUT THROUGH SAID SECOND OPENING, AND HAVING A VALVE TIP MOVABLE RELATIVE TO SAID FIRST OPENING TO CONTROL THE ESCAPE OF FLUID THEREFROM, SAID VALVE ELEMENT HAVING AN EXTERNALLY THREADED PORTION ENGAGING DIRECTLY WITH THE INTERNALLY THREADED PORTION IN SAID FIRST SECTION OF SAID NOZZLE PASSAGE OF SAID ONE-PIECE BODY, AND SEALING MEANS OPERATIVELY ENGAGING SAID VALVE MEMBER AND SAID NOZZLE PASSAGE FOR PREVENTING FLUID ESCAPE AT SAID SECOND OPENING, SAID SECOND OPENING BEING LARGER IN INTERNAL DIAMETER AND SAID FIRST OPENING BEING SMALLER IN INTERNAL DIAMETER THAN SAID FIRST SECTION OF SAID NOZZLE PASSAGE, SAID SECOND OPENING BEING NO SMALLER IN INTERNAL DIAMETER THAN SAID SECOND SECTION OF SAID NOZZLE PASSAGE AND COMMUNICATING THEREWITH WITHOUT CONSTRICTION THEREBETWEEN, WHEREBY SAID NOZZLE PASSAGE MAY BE FORMED IN SAID ONE-PIECE BODY BY OPERATIONS ALL CONDUCTED FROM ONE END OF SAID NOZZLE PASSAGE AND SAID VALVE MEMBER MAY BE INSERTED INTO AND REMOVED FROM SAID NOZZLE PASSAGE VIA SAID END THEREOF.