| 摘要 |
PROBLEM TO BE SOLVED: To provide a joint metal fitting of a frame body capable of quickly carrying out work at a low cost without using any exclusive wrench. SOLUTION: For the joint metal fitting of the frame body constituted by having a female screw member 1 for connecting the frame body 42 set for providing an opening section 41 on a partition wall 40 of a building to a skeleton of the partition wall 40 and a male screw member 10, an non-slip projection stripe 3 is formed on the circumferential surface of the female screw member 1, an axial through-hole 12 is made in the male screw member 10 screwing on the female screw member 1, at the same time, one end of the male screw member 10 is connected to a base plate metal fitting 15 in a rotatable manner and in a detachable manner through the joint metal fitting 20 boring a screw hole 23 thereinto, and a recessed groove 13 at right angles to the through-hole 12 capable of being engaged with a minus driver 26 is provided to the other end. A adjusting unit member 5 having an engaged recess 7 for engaging a plus driver 27 with the upper end projecting projections 6 and 6 engaged with the recessed groove 13 in a detachable manner is provided to the male screw member 10 in a detachable manner.
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