| 摘要 |
PROBLEM TO BE SOLVED: To provide a game island base capable of easily and safely maintaining and inspecting work of an upper tank. SOLUTION: The inside of the upper tank 4 is sectioned and formed into a lifting device storage space 52 and a ball distribution space 51 by an upper left sectioning plate 89, an upper door for inspections for opening and closing the lifting device storage space 52 is provided on an outer wall plate forming the sidewall part of the upper tank 4, and a ball distribution plate 61 and an overflowing ball path are provided in the ball distribution space 51. Then, the most upstream end of the overflowing ball path is formed by the upper left sectioning plate 89, the ball distribution plate 61 and the overflowing ball path are formed by the combination of a plurality of units 21-24, respectively, and the upper left sectioning plate 89 and the plurality of units 21-24 are provided detachably inside an internal space. Thus, the maintenance and inspection work of the upper tank 4 can be easily and safely performed. COPYRIGHT: (C)2011,JPO&INPIT
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