To prevent a connection of a fraudulent component by surely preventing insertion of a fraudulent tool, and to check a trace thereof when a fraud is performed.
This game machine includes: a control board 2 that transmits/receives a prescribed signal with a progress of a game; a base member 3 that stores the control board 2; a connector cover 5 that covers a connector 2c mounted on the control board 2; and engaging parts 30 and 50 that non-removably engage the base member 3 with the connector cover 5. The engaging parts 30 and 50 have; cover-side engaging parts 50 formed on the connector cover 5; base-side engaging parts 30 formed on the base member 3 and engaged with the cover-side engaging parts 50; and protection walls 60 provided to cover the peripheries of the base-side engaging parts 30 and the cover-side engaging parts 50, with the cover-side engaging parts 30 engaged with the cover-side engaging parts 50.
Okano Isao
Tetsuya Imai
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