摘要 |
PROBLEM TO BE SOLVED: To easily separate a single rod of a screw-type hanging rod using a long rod formed by screw-coupling the single rods. SOLUTION: The single rod has a male screw on one end and a female screw on the other end. The diameter of the single rod is set to be larger than the diameter of the male screw, forming a rod joining end face. A long screw- type hanging rod is formed by screw-coupling the male screw with the female screw of the adjacent short rod. The long screw-type hanging rod couples the rods with an elastic material fitted to the whole circumference of the male screw and a dissimilar stepped edge of the rod of the large diameter on the male screw side, and between the edge end faces of the rod.
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