Cantilevered mobile marine rig with hydraulic load equalizer

Details Cantilevered mobile marine rig with hydraulic load equalizer Cantilevered mobile marine rig with hydraulic load equalizer

1982-09-15

1984-11-20

Corbin, David H.

Hydraulic and earth engineering

Marine structure or fabrication thereof

With horizontally movable work deck

175 9, E02B 1700

Patent

active

044836449

ABSTRACT:
Disclosed is a cantilever mobile marine rig with hydraulic load equalizer. The rig includes a deck structure and a cantilever assembly slidingly mounted on the deck structure. The hydraulic load equalizer includes a plurality of hydraulic cylinder and piston assemblies positioned between the deck structure and the cantilever assemblies. The hydraulic cylinder and piston assemblies each have substantially the same effective area and are interconnected so as to allow substantially free and unimpeded flow of hydraulic fluid among the cylinder and piston assemblies.

REFERENCES:
patent: 3001594 (1961-09-01), Suderow
patent: 3240021 (1966-03-01), Meriaux et al.
patent: 3477235 (1969-11-01), Branham et al.
patent: 3889481 (1975-06-01), Weirich et al.
patent: 4158326 (1979-06-01), Krieger
patent: 4401398 (1983-08-01), Remson

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