Load lifting device

Details Load lifting device Load lifting device

1992-07-14

1993-09-21

Sotelo, Jesus D.

Ships

Vessel raising and docking

Floating dry docks

405 3, 187 11, B63C 102

Patent

active

052459403

ABSTRACT:
A load lifting device for small watercraft has a vertical post having a lower post portion extending downwardly in the water from the top of the dock and rigidly mounted thereto and having an upwardly extending rectilinear extension and a vertically moveable cradle cantilevered off the post with a winch at the top of the extension connected to the cradle for raising and lowering it; the upwardly extending extension of the post being mounted on the lower post portion for rotation relative thereto so that when the cradle is moved vertically to a position carried by the extension it may revolve with such extension to swing a watercraft carried by the cradle over the dock or the water as desired. A lock is provided for preventing the post and extension from rotating during transition of the cradle between the two.

REFERENCES:
patent: 4588155 (1986-05-01), James
patent: 4678366 (1987-07-01), Williamson
patent: 4983067 (1991-01-01), Montgomery
patent: 5143182 (1992-09-01), Basta

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