| 摘要 |
PROBLEM TO BE SOLVED: To prevent an inner box from tilting toward an outer box. SOLUTION: The inner box is prevented from tilting toward the outer box. In this outrigger in which the inner box 2 is inserted in the outer box to be freely inserted and removed, and a vertical outrigger box is provided at the forward end of the inner box 2, a pair of rollers 17 for supporting the lower surface of the outer box 1 are disposed in a roller bracket 11 provided on the lower surface of the outer box 1, an adjust member 20 having an adjust screw part 21 is disposed inside the rollers 17, a roller shaft 18 is passed through a vertically long roller shaft guide hole 13 formed in an erecting plate 13 of the roller bracket 11, and a tip screw art 24 of an adjust bolt 23 fitted upward on a base plate 14 of the roller bracket 11 and the adjust screw part 21 of the adjust member 20 are screw-engaged to be connected.
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