Apparatus for stringing power lines across supporting towers

Details Apparatus for stringing power lines across supporting towers Apparatus for stringing power lines across supporting towers

1983-05-12

1984-12-11

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Method or apparatus for placement of conductive wire

Conduit snakes

B66D 136

Patent

active

044873956

ABSTRACT:
Apparatus used to string a transmission line between supporting towers comprises an elongated needle which is adapted to be suspended from a helicopter by a hoisting cable. A plurality of latch hooks are spaced along the needle to engage a part of the transmission towers. The transmission line or a hauling line is attached to a trailing end of the needle. The attachment of the hoisting cable to the needle is by means of a hanger which can be engaged with and disengaged from the needle and selected latch hooks so that the helicopter pilot can fly his aircraft to pick up the needle and string the line through successive towers with a threading action.

REFERENCES:
patent: 2410451 (1946-11-01), Landry
patent: 2684025 (1954-07-01), Kurth
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: 4328952 (1982-05-01), Chapman

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