Adjustable pattern sprinkler

Claim 1

A CAM-CONTROLLED PATTERN SPRINKLER, INCLUDING A BASE, A FLUID-TIGHT HOUSING FIXEDLY MOUNTED UPON SAID BASE, WITH SAID HOUSING ENCASING A REDUCTION GEARED WATER MOTOR WITH A FLUID ENTRY IN SAID HOUSING TO SAID MOTOR AND A FLUID EXIT IN SAID HOUSING FROM SAID MOTOR WITH MEANS TO STATION A PATTERN CAM UPON SAID HOUSING, A ROTARY DISTRIBUTION HEAD INCLUDING A JET STREAM PRODUCING NOZZLE WITH SAID DISTRIBUTION HEAD BEING MOUNTED UPON SAID HOUSING AT SAID FLUID EXIT AND ROTATED BY SAID WATER MOTOR, FLUID VOLUME CONTROL MEANS TO CAUSE SAID NOZZLE TO EMIT A VARIABLE SHORT TO LONG RANGE JET STREAM, MEANS TO CAUSE THE ROTATION SPEED OF SAID DISTRIBUTION HEAD TO INCREASE WHEN SAID NOZZLE EMITS A SHORT RANGE JET STREAM AND THE ROTATION SPEED OF SAID DISTRIBUTION HEAD TO DECREASE WHEN SAID NOZZLE EMITS A LONG RANGE JET STREAM AND IN WHICH SAID FLUID VOLUME CONTROL MEANS INCLUDE A CYLINDER WITH ONE FLUID ENTRY AND TWO FLUID EXITS WITH ONE EXIT BEING PERMANENTLY OPEN TO DELIVER FLUID TO DRIVE A WATER WHEEL IN SAID WATER MOTOR AND THE OTHER EXIT HAVING MEANS TO DELIVER FLUID BYPASSING SAID WHEEL AND HAVING MEANS TO BE VARIABLY OPENED AND CLOSED TO VARY FLOW OF FLUID FROM SAID EXIT BY MEANS IN ASSOCIATION WITH AND CONTROLLED BY SAID PATTERN CAM.