Koki Holdings Co., Ltd.

Tatsuhiro Tago

Toshinori Yasutomi

In a driver machine, a blank firing prevention mechanismhas a feeder position sensorthat detects the prohibition position of a feederof a magazine. When a control unitdetects the prohibition position of the feederon the basis of a detection signal from the feeder position sensor, the control unitprohibits driving of a motor. Thus it is possible to prevent blank firing of a striking part. The feeder position sensoris provided to an ejection part. Thus it is unnecessary for a wire, which connects the control unitand the feeder position sensor, to be extended to the outside of a housing, in comparison with a structure in which the feeder position sensoris provided in a magazine caseof the magazine

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Ibaraki, Japan

Tatsuhiro Tago