Spray nozzle for fire hose and the like

Claim 1

A HOSE NOZZLE COMPRISING A LONGITUDINALLY COEXTENSIVE AND TUBULAR ONE PIECE BASE MEMBER PROVIDING AN UNOBSTRUCTED FLUID PASSAGE OF SUBSTANTIALLY UNIFORM DIAMETER EXTENDING THERETHROUGH FROM A POINT ADJACENT ITS REAR FLUID ENTRY END, SAID PASSAGE HAVING A HOSE ENDRECEIVING ENLARGEMENT AT ITS REAR END, A COMBINED FLUID BAFFLE AND CUT OFF VALVE DISPOSED IN PREDETERMENEDLY SPACED OPPOSITION TO BOTH THE FORWARD END OF SAID BASE MEMBER AND ITS FLUID PASSAGE, THE SPACE BETWEEN THE COMBINED BAFFLE AND VALVE MEMBER AND THE FORWARD END TO THE BASE MEMBER PROVIDING A NOZZLE GALLONAGE OUTPUT PER MINUTE DETERMINED SPACE UNDER PREDETERMINED FLUID PRESSURES, A SINGLE FLUID FLOW CHARACTER CONTROL SLEEVE EXTERIORLY AND NON-ROTATABLY SLIDABLE ON SAID BASE MEMBER, SAID CONTROL SLEEVE HAVING A FORWARD END RECESS SPACEDLY SURROUNDING AND CLOSELY SPACED TO SAID COMBINED FLUID BAFFLE AND CUT OFF VALVE, A CIRCUMFERENTIAL INWARDLY EXTENDING VALVE SEAT PROVIDED BY THE REAR END OF SAID SLEEVE-PROVIDED RECESS, SAID SLEEVE BEING MOVABLE FORWARDLY TO ENGAGE ITS SEAT WITH THE COMBINED BAFFLE AND VALVE AT A POINT BEYOND THE PLANE OF THE FORWARD BASE MEMBER END WHEREBY TO LIMIT FORWARD SLEEVE MOVEMENT AND CUT OFF FLUID OUTFLOW FROM THE NOZZLE WHEN THE SLEEVE IS ACTUATED FORWARDLY, MANUAL SLEEVE-ACTUATING MEANS IN PART PROVIDED BY THE LATTER AND IN PART BY THE BASE MEMBER, THE SLEEVE BEING RETRACTABLE REARWARDLY TO VARIABLY SPACE ITS SEAT FROM THE SEAT-EN GAGING FACE OF THE COMBINED BAFFLE AND VALVE MEMBER, WHEREBY TO PROVIDE DISCHARGE OF AN EXTERIORLY CYLINDERICAL