| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem that a projecting member waiting behind a game board by its dead weight so as not to project toward the game board suddenly projects due to impact from something and blocks a winning slot during a game because the projecting member is structurally very small and the weight balance in a waiting condition by the dead weight is easily tipped by mechanical vibration during the game. SOLUTION: The pachinko game machine has the winning slot provided in a prescribed position of a game board, an opening and closing lid provided at the entrance of the winning slot provided at the entrance of the winning slot to open and close an entrance, a magnetic body provided in the opening and closing lid, an opening and closing lid holding means to keep the winning slot open by storing and normally holding the opening and closing lid in the game board. The opening and closing lid projects to the front of the game board, attracted by a fraudulent magnetic and closes the entrance of the winning slot when a fraudulent operation of a magnet from outside of the front of the game board. COPYRIGHT: (C)2006,JPO&NCIPI
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