| 摘要 |
<p>PURPOSE: To reasonably fit a metal to a wall face having a weak structure by providing the right and left jack plates which are inserted into a through hole bored on the wall face and opened in a dog-legged shape in the wall face, fixing a washer to the opened jack plates on the outside of the wall face, and fitting a fitting bracket for a handrail or the like to the washer. CONSTITUTION: A through hole 5 is bored on a wall face 1, and the depth side metal 7 of a metal main body 6 is inserted into the through hole 5. When the head section 13 of a tension rod 10 is pinched and a base side metal 8 is pushed, jack plates 11, 12 on the tip side and base side of the right and left jack plates 9 are opened in a dog-legged shape, and the depth side metal 7 is pulled to the through hole 5 side. The head section 13 of the tension rod 10 is inserted into the through hole of a washer 18, a small flat head screw 17 is inserted from a small flat head screw hole formed on the washer 18, and its tip is screwed to a nut 15 to be fastened. The opened metal main body 6 is fitted in the wall face 1, and the washer 18 is fitted on the outside of the wall face 1. When a bracket 20 is screwed to the thread groove of the washer 18, an article 19 such as a handrail can be simply and surely fitted.</p> |
