| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine capable of effectively preventing a fraud carried out by inserting an apparatus into a clearance between an outer frame and a ball disensing device, forcibly pressing a hook member arranged in a middle frame and violently opening the middle frame. SOLUTION: In a pachinko machine 1, engaging pieces 8, 8 having engaging parts 14 are arranged on the right side of an outer frame 2, while a locking mechanism 7 constructed of hook members 10a, 10b, a joint member 9, a locking device and the like is arranged in the right edge of a middle frame. Usually, the joint member 9 is energized downward, and the respective hook members 10a, 10b are kept engaged with the engaging parts 14, 14 in the respective engaging pieces 8, 8. In the engaging pieces 8, 8, fraud prevention covers 15 are arranged individually so as to cover the tips of the respective hook members 10a, 10b engaged with the respective engaging parts 14, 14.
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