Fire hose nozzle

Claim 1

A NOZZLE COMPRISING A TUBULAR BODY HAVING INLET AND OUTLET ENDS, A STEM CARRIED CENTRALLY BY AND PROJECTING LONGITUDINALLY FROM THE OUTLET END OF SAID BODY, A TUBULAR CENTRAL BARREL SCREW-THREADED ON SAID BODY AND PROJECTING THEREFROM AND AROUND SAID STEM, SAID CENTRAL BARREL HAVING A REDUCED BORE AT ONE END PORTION, A DISK CARRIED CONCENTRICALLY BY SAID STEM OUTWARDLY OF THE REDUCED BORE PORTION OF SAID CENTRAL BARREL, AN END SLEEVE SCREW-THREADED ON SAID CENTRAL BARREL AND ADAPTED, WHEN PROJECTED, TO ENCIRCLE SAID DISK CONCENTRICALLY AND WITH CLEARANCE TO DEFINE THE STREAM PATTERN EMITTED FROM THE NOZZLE, AN ELONGATED LONGITUDINAL MEMBER PIVOTALLY CARRIED BY SAID BODY, STOP MEANS CARRIED BY SAID CENTRAL BARREL AND PROJECTING FOR ENGAGEMENT WITH SAID LAST NAMED MEMBER FOR LIMITING ROTATIVE ADJUSTMENT OF SAID CENTRAL BARREL ON SAID BODY AND THE SPACING BETWEEN SAID CENTRAL BARREL AND SAID DISK IN A PREDETERMINED RANGE IN WHICH SAID DISK IS SPACED FROM SAID REDUCED BORE AT ALL TIMES TO THEREBY DEFINE MINIMUM AND MAXIMUM RATES OF FLOW FROM SAID NOZZLE AND A PLUAND MAXIMUM RATES OF FLOW FROM SAID NOZZLE AND A PLURALITY OF CIRCUMFERENTIALLY SPACED SEATS ON SAID CENTRAL BARREL BETWEEN SAID STOP MEANS FOR RELEASABLY RECEIVING SAID LONGITUDINAL MEMBER.