| 摘要 |
PROBLEM TO BE SOLVED: To improve the recycling efficiency and the cost efficiency in changing the front of a pinball game machine. SOLUTION: This game board 10 of the game machine consists of four layers: a transparent board 21 on which mails 20 are planted, a decorating sheet 22, on which patterns are painted, mounted on the rear side of the transparent board 21, an elastic board 23 mounted on the rear side of the decorating sheet 22, and a rear board 24 mounted on the rear side of the elastic board 23. The four layers may be in the tightened condition when the four layers are closely stuck to each other by the operation of a fixing bolt 36 and a clamp 33 or in the loose condition when the four layers can be separated from each other, so that only the decorating sheet 22 can be changed in changing the front of the game machine. Therefore, the three layers other than the decorating sheet 22 can be reused as they are, and it is not necessary to change winning devices such as a variable winning device 12 and a liquid crystal display device 11. As a result, the recycling efficiency can be significantly improved. In addition, as all the part cost that is required is the cost of the decorating sheet 22, and the transportation cost is not necessary but only for the current/new decorating sheets 22, the total cost can be significantly reduced.
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