Device for installing and/or removing a steerable propulsion...

Details Device for installing and/or removing a steerable propulsion... Device for installing and/or removing a steerable propulsion...

2002-04-19

2003-05-20

Basinger, Sherman (Department: 3617)

Ships

Building

C440S053000, C440S113000

Reexamination Certificate

active

06564736

ABSTRACT:

The present invention relates to a device for installing and/or removing a steerable propulsion pod for a ship having two of said steerable propulsion pods, each pod comprising a bulb suspended from the ship by a fin.
BACKGROUND OF THE INVENTION
For example, it is desirable, in the event of damage, to be able to replace such a propulsion pod rapidly without laying up the ship for a long time and without requiring a dry dock.
OBJECTS AND SUMMARY OF THE INVENTION
The invention thus provides such a device comprising a cradle for receiving the pod to be moved, which cradle is situated between two arms of a buoyant beam, one end of each arm being rigidly secured to said cradle, the other end of a first arm being provided with coupling means hinged about a horizontal pin for coupling it to the fin of the other pod in place on the ship, the other end of the second arm being provided with coupling means hinged about a horizontal pin and about a vertical pin for coupling the second arm to an auxiliary vessel.


REFERENCES:
patent: 3586190 (1971-06-01), Lafferty
patent: 3741143 (1973-06-01), McKinley
patent: 4048936 (1977-09-01), Uchizono et al.
patent: 4400133 (1983-08-01), Booker
patent: 4586907 (1986-05-01), Florander
patent: 4634389 (1987-01-01), Eptaminitakis
patent: 4654012 (1987-03-01), Bliss
patent: 4692087 (1987-09-01), Olsen
patent: 4696650 (1987-09-01), Haglund
patent: 5823708 (1998-10-01), Dwight et al.
patent: 24 61 143 (1975-07-01), None
patent: 2 338 842 (1977-08-01), None
patent: 62-261592 (1987-11-01), None

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