Patent ID: 7322533
Filing Date: 2008-01-29
Classification: B05B

Abstract:
1. A sprinkler, comprising: a riser having an inlet end and an outlet end; a nozzle having a plurality of circumferentially spaced, radially extending stream forming slots; a drive assembly mounted in the riser having an output shaft rotatably supporting the nozzle at the outlet end of the riser; an impeller coupled to an input shaft of the drive assembly; an orifice member mounted adjacent the outlet end of the riser having an orifice shaped to deliver water flowing through the riser into the stream forming slots in a manner that produces a predetermined water distribution pattern; a rotatably adjustable deflector ring having a plurality of projections for intercepting streams of water ejected from the stream forming slots to vary a reach thereof; and a ring gear formed on an interior surface of the deflector ring and a pinion gear rotatably supported by the nozzle and engaged with the ring gear, the pinion gear being rotatable by a tool to rotate the deflector ring.