| 摘要 |
PROBLEM TO BE SOLVED: To fix two pieces of square steel pipe batters arranged outside a frame plate to the frame plate by using only a rod-shaped fastening implement with a wedge hole and a wedge plate without commonly using a patch plate.SOLUTION: A rod-shaped fastening implement 4 with a wedge hole is arranged between two pieces of parallel square steel pipe batters 9A, 9B, a wedge plate 10 comprises protrusions 15, 16 at both ends of a one-side side 11 along its longitudinal direction, the wedge plate 10 in driven into the wedge hole 7 of the rod-shaped fastening implement 4 with the wedge hole in a direction which interests with longitudinal directions of the two pieces of parallel square steel pipe batters 9A, 9B in a state that the one-side side 11 directly abuts on outside faces of the two pieces of parallel square steel pipe batters 9A, 9B not via the patch plate between the square steel pipe batters 9A, 9B, and the two pieces of parallel square steel pipe batters 9A, 9B are pressed and fixed to the frame plate 1 side by the wedge plate 10 in a state that the two pieces of parallel steel pipe batters 9A, 9b are located between the protrusions 15, 16 at both the ends of the one-side side of the wedge plate 10. |
