| 摘要 |
PROBLEM TO BE SOLVED: To facilitate the material recycle in a game ball tank. SOLUTION: In this game ball tank 10, the mounting of a switch unit 70 is completed only by preliminarily inserting and retaining a switch 25 in a switch case 72 and inserting the switch case 72 to a guide 77 after retaining a displacement plate 71 by a bearing 73. Therefore, the switch 25 can be easily mounted without any trouble. Since a metallic part such as small screw or the like is not required, the work of separating the metallic part is not required in the material recycle. Further, since the mounting of the displacement plate 71 is completed by mounting the switch case 72 on a body 12, the working efficiency is high.
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