| 摘要 |
PURPOSE:To enable an electric runner to be easily serviced by accurately forming the squareness of each section, and preventing the occurrence of hindrance to the travel of the electric runner. CONSTITUTION:A plurality of reinforcement frames 1 having an approximately rectangular form and the center of a lower section cut out in a breadthwise direction, are arranged at suitable intervals, and four long angle sections 2a and 2b are inserted in the frames 1 in such a way as laid along the inner four corners of each frame. Also, respective sections 2a and 2b are welded to each frame 1. Then, rail covers 4 with inverted-L cross section are coupled at both sides between each frame 1, and mounted on the section 2a in such a way as freely detachable with screws 5. |
