Helicopter airmobile work platform for working on power lines an

Details Helicopter airmobile work platform for working on power lines an Helicopter airmobile work platform for working on power lines an

1984-10-04

1987-01-20

Blix, Trygve M.

Aeronautics and astronautics

Aircraft structure

Passenger or crew accommodation

244137R, 2441181, 174 5R, 182150, B64D 1100

Patent

active

046375759

ABSTRACT:
A work platform and helicopter assembly for working on a high-voltage power line such as an EHV power line. A work platform comprising a rectangular base of electrically conductive material is disposed transversely across a pair of helicopter skid tubes that extend longitudinally beneath the helicopter fuselage. The work platform is attached to the skid tubes such that the skid tubes may be laterally displaceable, upon landing, or take-off, with respect to the work platform. The work platform includes a workman supporting portion that extends laterally from the side of at least one skid tube to support a workman working on a high-voltage power line. The work platform, skid tubes and helicopter are electrically connected so that they will all be at the same electrical potential when working on a power line. The work platform may include a portion adapted to carry cargo between the skid tubes. A ballast is provided to the work platform, at the end of the work platform opposite from the workman supporting portion, so as to maintain the helicopter with the lateral center of gravity limits.

REFERENCES:
patent: 3139948 (1964-07-01), Rorden
patent: 3421165 (1969-01-01), Pugh
patent: 3604660 (1971-09-01), Marley
patent: 3863736 (1975-02-01), McWilliams
patent: 3904155 (1975-09-01), Chavis
patent: 3904156 (1975-09-01), Smith
patent: 3934847 (1976-01-01), Bentivegna
patent: 4422528 (1983-12-01), Patterson
patent: 4478312 (1984-10-01), Kurtgis
"EHV Barehand Conductive Suit and Jacket", Chance, Jul. 1971.

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