SPRINKLER UNIT Russian patent published in 1997 - IPC

FIELD: sprinkling equipment. SUBSTANCE: sprinkler unit has captive nut 1, reaction member 3 and housing 2 with stream-forming channel 5 and beveled stop 8. Housing 2 has portion positioned above stream-forming channel 5 and formed as vertical stem 6. Cantilevered arm 7 with stop 8 is rigidly fixed on end of stem 6. Reaction member 3 pivotally seated onto stem 6 has blades 11 fixed on its lower end and beveled stop 10 secured on its upper end. When stop 8 strikes against stop 10, housing 2 is pivoted to withdraw reaction member 3 from artificial rain zone. EFFECT: increased efficiency, simplified construction and enhanced reliability in operation. 2 cl, 5 dwg