B - Operations – Transporting – 64 – D
Patent
B - Operations, Transporting
64
D
244/97
B64D 11/00 (2006.01) B64D 1/22 (2006.01)
Patent
CA 1248930
ABSTRACT OF THE DISCLOSURE 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 within the lateral center of gravity limits.
492201
Haverfield Corporation
Mccarthy Tetrault Llp
Yenzer Scott H.
LandOfFree
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