BOOM OPENING, STRUCTURE OF BOOM SPRAYER

摘要

PROBLEM TO BE SOLVED: To provide a boom opening structure a whose installation space is compact. SOLUTION: The boom opening structure of the boom sprayer is provided with a center boom 41 and 2 side booms 42L and 42R of the left and right side, which are connected rotatably to both sides of the center boom 41 respectively, an actuator 43 for rotating the side booms 42L and 42R, an arm 53 supporting the actuator 43 and supported by the center boom 41 and a coil spring 55 provided to be interposed between the arm 53 and the center boom 41 and energizing in a prescribed position are arranged in respective both sides of the center boom 41 and the main body of the actuator 43 and the coil spring 55 are arranged particularly inside both sides of the center boom 41.