| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine capable of preventing ball clogging inside a protection plate member. SOLUTION: In this game machine, or a Pachinko game machine, the turning radius L of a turning door 105 is so set that, when a distance between the protection plate member 101 and the tip of the turning door 105 becomes the radius or more of a game ball and less than the diameter, a force applied to the turning door 105 by a door operating means 112 becomes larger than a force applied to the turning door 105 by the dead weight of the game ball, so that even if the game ball runs on the tip of the turning door 105 under the intermediate attitude, the turning door 105 can surely turn till the closing attitude. This constitution can prevent the ball clogging inside the protection plate member 101. COPYRIGHT: (C)2007,JPO&INPIT
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