| 摘要 |
PROBLEM TO BE SOLVED: To prevent the fraudulent action of forcibly opening a door part in a big winning port device of a game machine. SOLUTION: The big winning port device is provided with a driving device 17 for driving the door part 14 provided on a main body part so as to open and close a big winning port 13 and an opening/closing regulating mechanism for allowing the opening/closing operation of the door part 14 by the driving device 17 and blocking opening in the case that stress is applied to the door part 14. The driving device 17 is composed of a plunger 17a and a solenoid 17b for making it appear and disappear. The opening/closing regulating mechanism is constituted of a linking member 23 attached to the plunger 17a with allowance and moved between two positions by the appearing and disappearing motion, a rod 24 for turning the door part 14 to a closing position in the case that the linking member 23 is at a first position and turning the door part 14 to an opening position when it is at a second position, and a regulation part 25 whose projection end is positioned more on the side of the driving device 17 than the moving track of the linking member 23 by the plunger 17a and which is projectingly formed toward the linking member 23. COPYRIGHT: (C)2006,JPO&NCIPI
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