| 摘要 |
PROBLEM TO BE SOLVED: To prevent structural members from dropping even when damaged and improve the manufacturing. SOLUTION: In a coupled structure of structural members in which a plurality of structural members each having a space 1b open in two directions are secured to one another in such a way that the spaces 1b are communicated to one another, and in which a power cable 4 introduced from an end member 1c of the plural structural members 1 is brought out from the other end member 1e, a cord 7 secured to the end member 1c at one end is passed from the end member 1c to the other end member 1e of the plural structural members 1, and the other end of the cord 7 is connected to one end of a lock 8 which has at one end a cylindrical part 8a inserted into an opening 1k in the other end of the other end member 1e and has at the other end a flanged part 8b larger than the opening 1k in the other end of the other end member 1e, and which is locked in place by insertion into the opening 1k in the other end of the other end member 1e. |
