| 摘要 |
PROBLEM TO BE SOLVED: To make it possible to change the form of a game area in a game board. SOLUTION: A position moving device 30 is composed of a pattern variable display device housing case 29 housing a pattern variable display device 8, a shaft 41 and a front and back position moving box 42. The front and back position moving box 42 is constituted of an upper cover 51 and a lower cover 52. A motor 31 for front and back is attached to a motor attaching rib 51f by a machine screw 59. To the shaft 41, a gear 54 for the front and back is inserted. A gear 58 for the front and back attached to the driving shaft 31a of the motor 31 for the front and back is engaged with the gear 54 for the front and back. When a pachinko ball 60 enters a start winning port 10, winning and losing are judged. When the winning is judged, a main CPU 15a controls the drive of the motor 31 for the front and back by transmitting instruction information to a motor driver 33 and moves the pattern variable display device 8 in a back direction. When the pattern variable display device 8 is moved in the back direction, a won winning port 25 appears. COPYRIGHT: (C)2005,JPO&NCIPI
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