| 摘要 |
PROBLEM TO BE SOLVED: To make a crane mounted in an optional position of a load-carrying platform sideplate only when required, and to simplify mounting structure. SOLUTION: This crane 1 is provided in a base part 2 with locking means 5, 20 held onto a load-carrying platform sideplate 30 to conduct fixing removably, the locking means 20 is constituted by coupling two sheets of sandwiching pieces 21, 23 each other via a hinge 22, by inserting a bolt 24 into the one piece 23, and by screwing a tip of the bolt 24 with the other piece 21, the two pieces 21, 23 are fitted astride the platform sideplate 30, the bolt 24 is tightened, and a space between the two pieces 21, 23 is narrowed thereby to sandwich the platform sideplate 30.
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