Apparatus for and method for lifting large objects

Details Apparatus for and method for lifting large objects Apparatus for and method for lifting large objects

1980-03-31

1982-10-12

Rowland, James L.

Traversing hoists

Having vertically swinging boom

Having specific engager for load

212262, B66C 2306

Patent

active

043534716

ABSTRACT:
This disclosure relates to an improved type of tension supported boom crane which uses a load distributor to provide a plurality of attachment points for the tension support, thereby allowing a load or loads to be connected to a corresponding plurality of support points, giving rise to a particular improvement in control for bulky loads.
This disclosure further relates to an improved method for controlling a bulky load with a tension supported boom crane by incorporating a load distributor in the supporting tension line allowing attachment of load cables to a bulky load at a plurality of points, and further allowing each of those load lines to be independently controlled.

REFERENCES:
patent: 863669 (1907-08-01), Suck
patent: 964534 (1910-07-01), McGiffert
patent: 1099711 (1914-06-01), Merrill
patent: 2609940 (1952-09-01), Grundvig
patent: 2666532 (1954-01-01), Shoemaker
patent: 2697527 (1954-12-01), Page
patent: 2855110 (1958-10-01), Prichard

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