| 摘要 |
<p>PROBLEM TO BE SOLVED: To mutually, simply, and freely interlock supporting tools, and at the same time to newly, simply, and freely mount piping materials or the like to a master beam without using plurality of fixtures or the like. SOLUTION: A pair of right and left master beams 2, and a slave beam 3 are provided. The pair of right and left master beams 2 is provided along the laying path of a cable C. The slave beam 3 is erected between the master beams 2 for placing the cable C. The master beam 2 has the supporting tool 1 where a groove 2a for forcedly screwing a screw 12 is continuously formed in a longitudinal direction, and a coupling tool 11 for mutually interlocking the supporting tool 1. The screw 12 is forcedly screwed to the groove 2a via the coupling tool 11, thus mutually interlocking the coupling tool 11 to the supporting tool 1.</p> |
