Expandable multi-hull boat

Details Expandable multi-hull boat Expandable multi-hull boat

2005-04-05

2005-04-05

Wright, Andrew D. (Department: 3617)

Ships

Displacement-type hull

Multiple hulls

Reexamination Certificate

active

06874440

ABSTRACT:
A boat having at least two hulls with an adjustable frame which maintains the relative separation of the hulls. Each hull having one or more buoyancy sections. Each buoyancy section of each hull may be relocated laterally, by expansion or contraction of an adjustable frame which causes the relative separation of corresponding buoyancy sections to be controllably adjusted. Accordingly, both deck area of the boat and its stability are increased when the buoyancy sections are extended laterally.

REFERENCES:
patent: 3139058 (1964-06-01), Robinson
patent: 3925837 (1975-12-01), Miller
patent: 4909169 (1990-03-01), Skandaliaris et al.
patent: 5265550 (1993-11-01), Harper, Jr.
patent: 5829376 (1998-11-01), Kostanski
patent: 5868032 (1999-02-01), Laskey
patent: 6003458 (1999-12-01), Valliere
patent: 6178913 (2001-01-01), Brignolio
patent: 6397769 (2002-06-01), Bullmer
patent: 524728 (1977-04-01), None

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