Patent ID: 6802458
Filing Date: 2004-10-12
Classification: B05B

Abstract:
In an irrigation sprinkler having a sprinkler housing defining a flow passage for coupling a supply of water under pressure to a spray head having at least one spray nozzle mounted thereon for projecting the water outwardly from the sprinkler, the improvement comprising:a gate valve mounted along the flow passage at an upstream side of the spray nozzle, said gate valve being movable between an open position permitting substantially unobstructed water flow to said spray nozzle and a closed position preventing water flow to said spray nozzle; said gate valve defining an inlet, an outlet, and a flow path extending therein between said inlet and said outlet, said gate valve being rotatably supported within a valve chamber formed in said spray head at an upstream side of said spray nozzle; and an actuator mounted to said spray head and coupled to said gate valve for displacing said gate valve between said open position with said flow path aligned with said spray nozzle, and said closed position with said flow path misaligned with said spray nozzle.