| 摘要 |
PROBLEM TO BE SOLVED: To provide a board structure of a pinball game machine reducing the manufacturing cost of the Pachinko game machine by reducing the number of components and assembling manhour and improving a shield effect on an electric noise. SOLUTION: A back mechanism board to be attached to the back part of a game board 30 comprises an upper-part back mechanism board 41 and a lower-part back mechanism board 45. The upper-part back mechanism board 41 is provided with a ball putout mechanism 420, a passage member 430 formed with a ball passage guiding a game ball put out from the ball putout mechanism to an upper ball tray or a game finished ball discharge mechanism, and a base member 410 supporting the ball putout mechanism and the passage member. The base member 410 is formed with a metal plate integrally covering the front of the ball putout mechanism 420 and the passage member 430 to constitute the board structure of the pinball game machine. COPYRIGHT: (C)2006,JPO&NCIPI
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