| 摘要 |
PROBLEM TO BE SOLVED: To provide a pachinko game machine capable of changing the possibility of generating a big winning without changing the operation form of a movable body inside a motor-driven accessory device. SOLUTION: In the pachinko game machine, a movable piece 20 to be opened by the entry of game balls to start ports 3A and 3B is provided on the variable winning port 17 of the motor-driven accessory device 2, a motor-driven movable body 40 and a specified winning port 37 visible for a player are provided inside the motor-driven accessory device, the propriety of the entry to the specified winning port is changed by the operation of the motor-driven movable body for the game ball which enters the motor-driven accessory device, and the big winning is generated by the entry of the game ball to the specified winning port. In the pachinko game machine provided with a normal game mode in which the open time of the variable winning port is set short and an extension game mode in which the open time of the variable winning port is set longer than in the normal game mode, by making the motor-driven movable body perform a fixed operation at all times when the movable piece is opened regardless of the game mode and changing only the open time of the variable winning port according to the game mode, the possibility of the entry to the specified winning port of the game ball which enters the motor-driven accessory device is changed. COPYRIGHT: (C)2006,JPO&NCIPI
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