| 摘要 |
PROBLEM TO BE SOLVED: To improve a battery type electric spray machine using a lead storage battery having the discrepancy that a lot of time is necessary to charge the battery and the service life by repeating charge cycle is short. SOLUTION: In the electric spray machine provided with a spray main body composed of a liquid chemical tank 2, a motor 4, a pump 5, the battery 3 and a frame body, a spray rod 15 and a spray hose 14 connecting the spray rod 15 to the pump 5, a nickel-cadmium storage battery is mounted as the battery 3 and the number of the residual streams to be sprayed is displayed.
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