B - Operations – Transporting – 66 – F
Patent
B - Operations, Transporting
66
F
212/6
B66F 11/04 (2006.01)
Patent
CA 1266452
ABSTRACT An adjustable service platform apparatus for a gantry crane having an elongated base frame which includes a pair of horizontally sliding beams which are laterally extendible outboard in opposite directions from the base frame. Detachable towers with work platforms at the tops are secured to the ends of the sliding beams. The platforms can be raised and lowered and moved inboard and outboard along the crane by the hoist and trolley motions of the crane and can be laterally extended and retracted independently from the hoist and trolley motions of the crane. Operators standing on the work platforms can readily move them to provide access to and permit inspection of the structural elements of the crane's supporting structure from the top of the boom to part way down the base structure of the crane by means of work platform controls.
526337
Macrae & Co.
Paceco Corp.
LandOfFree
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