| 摘要 |
<P>PROBLEM TO BE SOLVED: To inhibit the size increase and the cost increase of a device and improves the earthquake resistance in a cable tray. <P>SOLUTION: In a cable tray, a first cable tray body 31 housing multiple cables 21 and a second cable tray body 32, which is embedded so as to move in the width direction relative to the multiple cables 21 housed in the first cable tray body 31 and houses the multiple cables 21, are provided. A dynamic vibration absorber is composed of a main vibration system formed by the first cable tray body 31 and the multiple cables 21 and a secondary vibration system formed by the second cable tray body 32 and the multiple cables 21. <P>COPYRIGHT: (C)2013,JPO&INPIT |
