| 摘要 |
PROBLEM TO BE SOLVED: To prevent a small sized long member from being held under its incomplete state by the same long member holding unit by enabling once-held state of a large sized long member to be recognized in view of its outer appearance.SOLUTION: A protruding piece Epushed out of an inner surface of holding pieces A, Aby a plastic deformation or breakage caused by an insertion of a large diameter pipe Pis integrally formed at any one of a pair of holding pieces A, Aconstituting a pipe holding unit Sunder a state in which the protruding piece Eis put into a holding space V, and after the large diameter pipe Pis once held by the pipe holding unit S, the entire protruding piece Eis pushed out of the holding space Vor substantially deformed in the holding space Vand then a holding of a small diameter pipe Pin place of the large diameter pipe Pwith the same pipe holding unit Sbecomes impossible or incomplete. |
