| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine for enabling a player to receive the put-out of prize balls greater in number than the predetermined number of the prize balls mainly based on a ball entry to a big winning port in a big winning game state. SOLUTION: A door part 8a disposed at the big winning port 8 is provided with an opening part 8b through which a rolling game ball can pass to a game area provided on the lower side of the door part 8a when the door part 8a is changed to an open state. A special passing area where the game ball which has passed through the opening part 8b can pass through is provided in the game area on the lower side of the door part 8a, and a game ball detection switch 9a detects the game ball which has passed through the special passing area. On the basis of the detection of the game ball by the game ball detection switch 9a, a general winning port opening/closing part 18a disposed at a general winning port 18 is controlled to assume the open state. COPYRIGHT: (C)2005,JPO&NCIPI
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