| 摘要 |
PROBLEM TO BE SOLVED: To provide a Pachinko (Japanese pinball game) machine without generating individual difference of winning probability between game machines by adjusting obstacle nails. SOLUTION: In this Pachinko machine, a circumference is covered with a machine frame 2, and a front door 14 is installed on one side edge of it to be freely opened/closed. An opening part 15 is provided at a center of the front door 14. In the meanwhile, on the back of the opening part 15, a frame 18 is connected to be engaged into/removed from the opening part 15 by freely bending connection arms 19a, 19b, 19c, 19d installed on the right and the left. In the frame 18, a transparent plate 17 of synthetic resin integrally molded with plural columnar protrusions 22, 22... is engaged and contained.
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