Shindengen Electric Manufacturing Company Limited

Masanori Kawahara

Yoshio Aoki

Masahide Mizuno

When a power supply plugis inserted into a case, a swing pinof the power supply plugpushes a slidable pinin the case. Then, when an engaging partof the power supply plugprovided at the tip end of the swing pinis engaged with an engaging part, the slidable pinis restored to its original position at a mouth, and the periphery of the swing pinabuts against the periphery of the slidable pin, and thus the power supply plugand the caseare locked. In addition, a locking devicehaving the slidable pin is disposed at the back of the case, and a first waterproof walland a second waterproof wallare provided at positions closer to the mouth than the locking device

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Hanno, Japan

Masanori Kawahara