| 摘要 |
PROBLEM TO BE SOLVED: To provide an extension rail of a motor-driven curtain which has high versatility and can be formed compactly.SOLUTION: An extension rail of a motor-driven curtain in which a traction device 6 of the curtain is guided in the longitudinal direction includes a first rail 3 and second rail 4 in which a first conductor 1 and second conductor 2 for electric power supply are arranged in parallel in the longitudinal direction, in a side wall of inside plane or ceiling plane of rail bodies 3a, 4a, respectively. Both of the rail is mounted in a freely expandable manner. The first conductor 1 of the first rail 3 and the second conductor 2 of the second rail 4 are electrically connected. |
