Traversing hoists – Having means facilitating assembly or disassembly – Of traversing hoist from support
Patent
1983-03-24
1985-11-26
Blix, Trygve M.
Traversing hoists
Having means facilitating assembly or disassembly
Of traversing hoist from support
180 81, 180 85, 180116, 212195, B66C 2378, B66C 2372
Patent
active
045550328
ABSTRACT:
A heavy lift transi-crane supported on a substantially flat surface is disclosed which includes a boom supporting unit having a rigid annular foot, with the boom supporting unit being connected to a propelling unit by an elongated rigid connecting link. A substantial portion of the weight acting on the boom supporting unit is carried by fluid under pressure contacting a large area of the flat surface within the rigid annular foot but with the force being insufficient to raise the annular foot from the surface thereby greatly reducing frictional forces between the foot and the surface and the power requirements to move the transi-crane. The propelling unit is preferably a multi-directional walking beam vehicle which is capable of moving the transi-crane along a linear path or around a vertical pivot axis of the boom supporting unit.
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Mick Jon L.
Wolf Marvin L.
Blix Trygve M.
FMC Corporation
Johnson R. B.
Megley R. B.
Moore A. J.
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