The metallic parts for the installation of the dragonfly crossarm and the hanging tool and installation construction method null is used the case of the installation and the removal of the dragonfly crossarm of the dragonfly crossarm which uses

摘要

PURPOSE: To provide a metal piece for fixing a cross arm in which the arm can be fixed or removed without requiring any protector through. combination of an insulating remote operation tool and a high position working machine. ;CONSTITUTION: The fixing metal piece comprises a first holding part 2 for holding an arm to be fixed while clamping, a second holding part 3 for holding a arm T while clamping, a securing member 4 fixed to the bottom of a groove made in the second holding part, and a bolt member 5 penetrating the second holding part, the securing member and the bottom of a groove made in the first holding part and projecting from the upper end of the first holding part. The securing member is then tightened thus sustaining the bolt member in secured state.;COPYRIGHT: (C)1995,JPO