| 摘要 |
PROBLEM TO BE SOLVED: To provide an accessory device which imparts changes not available heretofore to the flowing down mode of game balls. SOLUTION: A truck belt 612, the first movable means, is provided in a blade member 610 of an electric tulip which is the second movable means. When the blade member 610 is opened, the game ball that has flown down is attracted by the truck belt. The traveling mode of the game ball is changed by the blade member 610 and additionally changed to predetermined directions by the truck belt 612. COPYRIGHT: (C)2009,JPO&INPIT
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