Truck mounted railroad crane hydraulic swivel means

Details Truck mounted railroad crane hydraulic swivel means Truck mounted railroad crane hydraulic swivel means

1978-06-01

1980-04-01

Sheridan, Robert G.

Traversing hoists

Overhead

Cable

285136, B66C 2384, F16L 3902

Patent

active

041957415

ABSTRACT:
A hydraulic swivel assembly for crane boom means in a truck mounted railroad crane or the like is disclosed as including complementary fixed and rotating housing elements having fluid passageways capable of communicating with other fluid passageways for controlling crane boom means and turntable rotation, regardless of position.

REFERENCES:
patent: 3477746 (1969-11-01), Watson
patent: 3743223 (1973-07-01), Spellman

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