Traversing hoists – Having means facilitating assembly or disassembly – Of traversing hoist from support
Patent
1984-04-23
1985-08-27
Blix, Trygve M.
Traversing hoists
Having means facilitating assembly or disassembly
Of traversing hoist from support
212195, B66C 2372
Patent
active
045373175
ABSTRACT:
A heavy duty travel crane is disclosed having two power driven mobile units each having an upper works pivotally supported by the lower works and interconnected by a spreader link. A boom and gantry are supported on one mobile unit and a plurality of winches and operator controls for both units are carried by the other unit with a counterweight supported on the spreader link immediately adjacent thereto. The winches are connected to hoists trained over the boom and gantry for supporting a load, and the counterweight is attached to the upper end of the gantry with the adjacent mobile power unit acting as an auxiliary counterweight if the load is of sufficient weight to lift the counterweight off the spreader link.
REFERENCES:
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patent: 3842984 (1974-10-01), Brown et al.
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patent: 3930583 (1976-01-01), Jouffray
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patent: 4243148 (1981-01-01), Lampson
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An American Hoist & Derrick Co., Super Sky Horse, 1100 Series Brochure.
Neil F. Lampson, Inc., Lampson Transi-Lift Brochure.
Article entitled Development, Testing & Operation of World's Highest Capacity, Mobile Lift Crane by George D. Morse.
Avila Stephen P.
Blix Trygve M.
FMC Corporation
Megley R. B.
Moore A. J.
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