Stringing apparatus for pilot lines

Details Stringing apparatus for pilot lines Stringing apparatus for pilot lines

1983-09-27

1985-07-30

Schmidt, Frederick R.

Implements or apparatus for applying pushing or pulling force

Method or apparatus for placement of conductive wire

Conduit snakes

H02G 102

Patent

active

045317143

ABSTRACT:
A stringing apparatus for stringing a pilot line, optionally a phase line, within the frame of a power line tower of H-frame, portal or corset type, using a helicopter for drawing the pilot line, wherein the stringing apparatus is suspended from the helicopter by a strap and the pilot line is fastened to said apparatus.
The stringing apparatus comprises a frame with two arms which alternately retain the pilot line. By pivoting the arms, the frame can be opened and closed in two directions, toward the rear and at the top, permitting the frame as it is drawn past a cross member of the power line tower to guide the pilot line from the top side to the underside of the cross member, where the line rests in a block suspended from the cross member.

REFERENCES:
patent: 4006884 (1977-02-01), Lederhos et al.
patent: 4247084 (1981-01-01), Lindsey et al.
patent: 4278237 (1981-07-01), Bergman et al.
patent: 4421301 (1983-12-01), Chapman

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