| 摘要 |
PROBLEM TO BE SOLVED: To provide an expansion joint structure capable of preventing the problem of damaging an expansion joint when a hitch is caused when sliding, by smoothly sliding even in the short direction of a holder member in a plan view.SOLUTION: First slide support means 21 for movably supporting a holder member 20 in the first horizontal direction X, is provided between one skeleton C1 and the holder member 20, and second slide support means 30 for movably supporting the holder member 20 in the second horizontal direction Y, is provided between the other skeleton C2 and the holder member 20. The second slide support means 30 also comprises a guide rail 31 fixed to the other skeleton C2 and a receiving rail 32 slidably engaging with the guide rail 31, and the receiving rail 32 is formed of a long size material straddlingly fixed to the plurality of holder members 20. |
