Semi-rigid craft, the buoyancy of which is adjustable
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United States of America Patent
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May 26, 2015
Grant Date -
Nov 21, 2013
app pub date -
Jun 15, 2011
filing date -
Jun 17, 2010
priority date (Note) -
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Abstract
A craft includes a rigid hull (1) that consists of a V-shaped bottom (5) and a bridge (4) on which a load can rest. The hull includes plating consisting of compartmentalized pneumatic floats (2), the rear compartments (32) of which are combined with an inflation and deflation system so as to vary the buoyancy of the craft. The craft also includes a submergible hull (1), the central cavity (9) of which is formed between the bottom (5) and the bridge (4) and is open at the rear so as to be automatically filled or emptied, the central cavity (9) containing at least one bag (10) that is combined with an inflation and deflation system enabling the buoyancy to be varied and consequently the level of immersion of the stern (7) to be changed as needed.
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