Twin-type slewing crane

Details Twin-type slewing crane Twin-type slewing crane

1977-10-06

1980-04-08

Makay, Albert J.

Traversing hoists

Overhead

Cable

212 67, B66C 2364

Patent

active

041968158

ABSTRACT:
Two mechanically identical cranes whose luffing jibs have the same maximum and minimum out-reach and which have their own slewing machinery, are mounted via respective supporting structures on a common foundation, at the same level for rotation about the same axis by bearings and an axle which provide a compact journalling of the supporting structures upon the foundation.

REFERENCES:
patent: 1207423 (1916-12-01), Lundin

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