Nozzle head

Claim 1

A SPRINKLER COMPRISING: A BASE STRUCTURE INCLUDING A VERTICAL INLET PIPE; A ROTATABLE NOZZLE HEAD MOUNTED ON SAID PIPE SO AS TO BE SUPPORTED ABOVE GROUND FOR ROTATION AROUND A VERTICAL AXIS AND CAPABLE OF EXPELLING WATER IN A CONTINUOUS PATTERN FROM SAID BASE STRUCTURE TO A TERMINAL REACH, SAID NOZZLE HEAD INCLUDING AN INTERIOR CAVITY COMMUNICATING WITH SAID INLET PIPE; A RELATIVELY SHORT SLOTTED NOZZLE PROJECTING FROM SAID NOZZLE HEAD AT AN UPWARD INCLINATION RELATIVE TO SAID VERTICAL AXIS AND TERMINATING CLOSE TO SAID NOZZLE HEAD, SAID SLOTTED NOZZLE INCLUDING IN INTERNAL BORE ANGULARLY COMMUNICATING WITH THE INTERIOR CAVITY OF SAID NOZZLE HEAD, SAID INTERNAL BORE EXTENDING AXIALLY WITHIN SAID SLOTTED NOZZLE TO AN UNOBSTRUCTED EXTERIOR SPRAY OUTLET, AN ANNULAR TERMINAL SHOULDER WITHIN SAID INTERNAL BORE FORMING A STEP REDUCING SAID BORE TO A CONSTANT DIAMETER ADJACENT SAID SPRAY OUTLET; AND WHEREIN SAID SLOTTED NOZZLE INCLUDES A PARALLEL SIDED SLOT EXTENDING VERTICALLY DOWN FROM SAID EXTERIOR SPRAY OUTLET THROUGH THE BOTTOM OF SAID SLOTTED NOZZLE AND TERMINATING IN A BACK WALL THAT IS CUT ADJACENT SAID ANNULAR TERMINAL SHOULDER, AND SAID SLOT BACK WALL OF SAID INTERNAL BORE DEPENDS GENERALLY PARALLEL WITH SAID VERTICAL AXIS, BEING INCLINED REARWARDLY GREATER THAN 90* RELATIVE TO THE AXIS OF SAID SLOTTED NOZZLE, WHEREBY WATER SPRAYED THERETHROUGH WILL BE EXPELLED IN GENERALLY UNIFORM DROPLETS FORMING SAID CONTINUOUS PATTERN FROM SAID BASE STRUCTURE TO A TERMINAL REACH.