Marine crane improvement

Details Marine crane improvement Marine crane improvement

1990-02-12

1991-07-02

Peters, Jr., Joseph F.

Material or article handling

Marine loading or unloading system

Marine vessel to/from shore

254900, 212191, 114230, B63G 2700, B66C 2352

Patent

active

050281941

ABSTRACT:
The present invention relates to an improvement in marine cranes.
An additional controllable variable lifting capability is operably connected to the load line of a marine crane, which may be motion compensated, to provide a safe initial lift of the cargo from a supply vessel. The additional lifting capability may be used alone or in concert with the drawworks to make the initial portion of the cargo lift.
A variation of the improvement may be used in mooring of vessels adjacent a marine installation.

REFERENCES:
patent: 2852936 (1958-09-01), Broussard
patent: 3785511 (1974-01-01), Bonnamy et al.
patent: 4025055 (1977-05-01), Strolenberg
patent: 4126298 (1978-11-01), Lub
patent: 4147330 (1979-04-01), Eik
patent: 4277053 (1981-07-01), Simon
patent: 4544137 (1985-10-01), Johnson

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