| 摘要 |
PROBLEM TO BE SOLVED: To provide a pachinko game machine having a simple structure and capable of easily mounting and removing a game board with high positioning precision. SOLUTION: A frame decorating member composed of a plastic is fitted on a front side of a base board of the game board 13 for forming a generally circular playing area. Hinge pins 61, 62 are provided on one end of the game board so as to be vertically projected from the frame decorating member 40, and on the other side of the game board 13, engaging and fixing projections 63, 64 are formed so as to be projected from the frame decorating member 40. A frame body 11 is provided with an upper and a lower brackets 65, 66 for fitting the hinge pins 61, 62; a positioning pin 11b for fitting to a positioning hole 41q; and fixing mechanisms 53, 54 for fixing the game board 13, which is mounted to the frame body 11 so as to be engaged with the engaging and fixing projections 63, 64, to the frame body 11. And the game board 13 is fitted to the frame body 11 so as to open/shut back and forth, and to be attached and removed.
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