| 摘要 |
PROBLEM TO BE SOLVED: To support a load vertically applied to a guide rail even if the position of the guide rail fluctuates in its longitudinal direction. SOLUTION: A supporting body 21 is fixed to a base 2, a block 2 is fixed to a weight guide rail 5b, a rod 25 is linked between the supporting body 21 and the block 22, and a nut 26 is threadediy attached to the rod 25 penetrating thorough the block 22. Thereby, the linked position of the rod 25 to the block 22 in its longitudinal direction can be adjusted.
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