Traveling attachment for ring supported lift crane

Details Traveling attachment for ring supported lift crane Traveling attachment for ring supported lift crane

1981-09-25

1983-05-10

Blix, Trygve M.

Traversing hoists

Having counterweight or counterbalancing means

212189, 280402, 280415R, B66C 2378, B66C 2373

Patent

active

043825192

ABSTRACT:
A traveling attachment including a pair of crawler assemblies and frame elements are provided for interconnection to the ring of a ring supported crane so the crane can travel under load. The crawler assemblies may be pivotally mounted and reversely powered to facilitate turning.

REFERENCES:
patent: 3842984 (1974-10-01), Brown et al.
patent: 3868022 (1975-02-01), Greenlay et al.
patent: 3878944 (1975-04-01), Beduhn et al.
patent: 4020952 (1977-05-01), Scodino
patent: 4042115 (1977-08-01), Beduhn et al.
patent: 4196816 (1980-04-01), Dvorsky et al.

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