| 摘要 |
According to an embodiment, flanges of a fixing base (22) of a structure support tool (4) are placed on an upper face of a rafter, wood screws are screwed and fastened via holes of the flanges into the rafter, and, thus, 5 the fixing base (22) is fixed to the rafter. Furthermore, catches of a washer portion (24) are inserted into a slide hole of the fixing base (22), a movable portion (23) is set to be held between the catches, the washer portion (24) is moved together with the movable portion (23), and the movable portion (23) is positioned. A male screw portion at the lower end of a coupling shaft (21) is 10 passed through a hole at the peak portion of the roof tile (5), and the male screw portion at the lower end is screwed and fastened via a hole of the washer portion (24) and the slide hole 22f of the fixing base (22) into a screw hole of the movable portion (23). 15 (FIG. 2A) 'OD IIr |
