| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an overhead transmission line protector which can surely prevent a boom from extremely approaching or touching a transmission line without taking such a means as to attach an insulating cover to the boom or a cable, etc., when performing work near an overhead transmission line, using work equipment such as a crane vehicle, etc., equipped with a boom. <P>SOLUTION: It is equipped with a balloon part 2 in which at least one part thereof is a bag constituted of insulating material and gas lighter than air is charged, and an insulating wire rod 15 for anchoring which moors the balloon part. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
