| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To mount a cross arm installation tool to an electric pole irrespective of the diameter of the pole even if the tool is an existing one. <P>SOLUTION: Since tops 23, 23 of supporting members 22 of the auxiliary instrument 21 are simultaneously contact with the side face of a small-diameter pole-shaped standing body P having a diametrical dimension L2 in place of tops 5, 5 of supporting members 2 of the cross arm installation tool 1 by installing the auxiliary instrument 21 to the existing cross arm installation tool 1, the small-diameter pole-shaped standing body P can be sandwiched and fastened by the internal peripheral face of a band center piece 7 of a band body 6 and the tops 23, 23 of the auxiliary instrument 21, even if the cross arm installation tool 1 matches the diametrical dimension L1. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
