| 摘要 |
PURPOSE:To enable extension of a boom to both right and left sides by providing a sprayer with a center boom provided slidably with a chemical liquid tank and a traversing boom to a traveling device and communicating the chemical liquid tank with a nozzle on a traversing boom. CONSTITUTION:A main body 13 of a sprayer is disposed freely attachably and detachably to a freely travelable traveling device 10, and a center boom 14 extended longly to the right and left side provided slidably with an extendable traversing boom 16 and a chemical liquid tank 12 is attached to the main body 13 of the sprayer. The nozzle on the traversing boom 16 is communicated with the chemical liquid tank 12 through a freely extendable hose. By this constitution, a boom sprayer having a boom extendable to both right and left sides of the traveling device is obtd. realizing improvement of the working efficiency with low installation cost.
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