| 摘要 |
PROBLEM TO BE SOLVED: To provide a pinball game machine capable of effectively preventing a fraudulent act by insertion of a piano wire, a celluloid plate, or another fraudulent member with a simple structure. SOLUTION: On the front side of a game board 5, an opening/closing door 6 having a transparent plate 45 through which a game area 13 is seen is provided. On the side of the opening/closing door 6, an insertion preventing wall 49 which projects to the side of the game board 5 on an outer periphery side compared with the guide rail 14 of the game board 5 and which prevents insertion of the fraudulent member into the game area 13 between decoration members 16 to 18 mounted to the game board 5 is provided. The decoration members 16 to 18 are provided with recess parts 28, 31 to 34, and 55 which the insertion preventing wall 49 enters when the door 6 is closed. COPYRIGHT: (C)2008,JPO&INPIT
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