| 摘要 |
PROBLEM TO BE SOLVED: To provide a lighting system in which that a cable has few twists between a fixed pole and a foldable pole, and also shear stress that works between the fixed pole and the foldable pole will not be applied to a connecting bolt. SOLUTION: This device is one in which a fixed cylindrical foldable pole 9 of a luminaire 13 is connected so as to be freely foldable by passing through a bolt 7 at a fixed position of a cylindrical fixed pole 5. In this case, cable through-holes 27, 29 that are concentric with and larger than a through-hole 25 at facing wall parts 5a, (9a) of the fixed pole 5 and the foldable pole 9 is provided, a projecting part 31 around a cable through-hole is provided, and a recessed part 33 with a shape, to which the projecting part 31 is fitted to each other, is provided. |
