| 摘要 |
PROBLEM TO BE SOLVED: To provide a joint for support rod easily and quickly performing connection work between support rods.SOLUTION: A joint for support rod includes a first female part 6 capable of being externally fitted to the upper end part of a first support rod 1, and a second female part 8 arranged above the first female part 6 and capable of being internally fitted to the lower end part of a second support rod 3. The first female part 6 includes a spacer member 5 formed at a recess part having larger inner shape dimension than that of the upper end part of the first support rod, inserted between the inner surface of the first female part 6 externally fitted to the upper end part of the first support rod 1 and the outer surface of the upper end part of the first support rod 1, and burying at least a part of a gap between both surfaces.SELECTED DRAWING: Figure 1 |
