| 摘要 |
PROBLEM TO BE SOLVED: To prevent gradual looseness of a nut leading to its escaping caused by an external force or vibration such as wind, snow and/or the like after completion of execution of work while to make easy mounting to a folded roof. SOLUTION: In a gutter suspending tool A for a folded roof, where a gutter support tool 1 having an insertion hole 13 at its central part and gutter edge holding parts 11, 12 at its opposed ends is fixed with a pair of upper and lower nuts 23, the nuts 23 are held by a U-shaped looseness prevention member 3 having a notched part 32 in the perpendicular dirction of a substantially central part under the condition that the bolt 2 is inserted into the notched part 32.
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