Patent ID: 6769514
Filing Date: 2004-08-03
Classification: E06C,H02G

Abstract:
A helicopter lineman's ladder in combination with a tower having a cross arm supporting energized high voltage powerline conductors to position a lineman on a powerline conductor at a position outside a flashover area which extends at a distance around said tower, said ladder comprising:a first elongate ladder section having a free end to be attached to said cross arm of said tower, at least one connector mounted on the free end of said first elongate ladder section for connecting said free end to said cross arm of said tower, a second elongate ladder section extending angularly from an end of said first elongate ladder section opposite to said free end thereof, and a powerline conductor engaging base secured to an end of said second elongate ladder section and resting on the powerline conductor beyond said flashover distance, said first elongate ladder section being of sufficient length to position said powerline conductor engaging base in contact with a powerline conductor at a point spaced from said tower which is a greater distance from said tower than said flashover distance when said connector connects the free end of said first ladder section to said cross arm of said tower.