| 摘要 |
PROBLEM TO BE SOLVED: To bring an electric working machine to inform an operator that the machine is operating by equipping a buzzer which keeps ringing in travelling of the machine and during various operations, e.g. to enable the operator to easily and sensorily decide that the electric working machine is working or not even in the case of using the electric working machine in a circumstance with large noises, i.e., to improve workability and operability of the electric working machine. SOLUTION: In the electric working machine mounted with a rechargeable battery 26 on the machine body 11 and carrying out travelling of the machine body 11 and various operations by rotating the electric motor 22 using the battery 26 as the power source, the machine is brought to inform the operator that the machine is operating by equipping the buzzer 38 constantly continuing to ring depending on the on-signal of the electric motor 22.
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