| 摘要 |
PROBLEM TO BE SOLVED: To improve accuracy in the inspection of a real machine in a play area. SOLUTION: A roller 5 for carrying a game machine 11 laterally (in the direction of the front and rear sides of paper in figure 1) is attached rotatably so that a roller shaft 6 can be inclined to a pair of front and rear roller holders 7 and 8 (in the lateral direction of paper in figure 1) supporting the roller shaft 6. The roller shaft 6 is supported rotatably by the roller holders 7 and 8 so that the front end part of the shaft (on the right side of paper in figure 1) can be positioned higher than the rear end part (on the left side of paper in the figure 1). By a difference in the heights of the front and rear end parts of the roller shaft 6, the peripheral face of the roller 5, which is a carriage plane 9 of a lower carrying mechanism, forms a slope inclined backwards.
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