| 摘要 |
PROBLEM TO BE SOLVED: To correct the track of a shot game ball to be normal. SOLUTION: In order to adjust the vertical degree of a guide rail 19 to the board surface of a game board 11, a glass door 16 is opened first. Thereafter, an adjusting tool is inserted to the insertion groove 31a of an eccentric cam 31 and the eccentric cam 31 is rotated while confirming a memory 31. When the eccentric cam 31 is rotated, a cam surface 31c pressurizes the guide rail 19 from the side of a surface 19b on the opposite side of the sliding surface 19a. When the vertical degree of the guide rail 19 is appropriately adjusted, the rotation of the eccentric cam 31 is stopped. Thus, the adjustment of the vertical degree of the guide rail 19 is ended. After the work is ended, the glass door 16 is closed. COPYRIGHT: (C)2008,JPO&INPIT
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