HIGH VOLUME SPRINKLER AUTOMATED ARC CHANGER

摘要

An actuator assembly for a rotatable sprinkler head includes a base (16) supported for rotation on a stationary platform (12) assembly, the actuator assembly comprising a hub (34) mounted for rotation on a shaft (30) supported in the base (16); a lever arm (32) pivotally mounted at one end to the hub and extending downwardly toward a stop plate assembly on the platform assembly, the lever arm (32) having a free end extending toward the stop plate assembly; the stop plate assembly configured to define two or more arcuate paths of travel for the lever arm (32), the paths being radially offset relative to the hub (34); and wherein the lever arm (32) is adjustable to locate the free end in any of the two or more arcuate paths of travel.