| 摘要 |
PROBLEM TO BE SOLVED: To solve such a problem that an attachment metal fitting for fixing an installation object that is retrofitted on a roof cannot be attached so as not to largely protrude from an outer contour of a folded-plate roof.SOLUTION: The attachment metal fitting has a gripe for conducting a downward operation and a curved portion that is connected with the gripe, rotates to the left by the downward operation of the gripe, and is opened upward. The curved portion has such a contour shape as to be engaged with an inner part of a seaming portion of a folded-plate roof. |
