Patent ID: 7634971
Filing Date: 2009-12-22
Classification: B63B,B63H,Y02T

Abstract:
1. A convertible vessel, with draft variation when sailing at constant displacement, for loading loads on unequipped shorelines or onto an logistic vessel in high seas, comprising: a catamaran having two hulls permanently assembled at their upper part by decks or beams, a propulsion and steering system of the catamaran, designed to sail either with reduced draft in shallow waters or with deep draft, and at least one buoyant mobile platform between the two hulls of the catamaran, wherein the platform is linked to the catamaran in an articulated manner by an articulated linkage, wherein the articulated linkage allows the platform to move between high and low positions with respect to the catamaran, and also to move transversely with respect to at least one of the hulls when the catamaran is not subject to transverse deformation, so as to prevent wedging of the platform relative to the two lateral hulls when the platform is moved between high and low positions even if the catamaran is subject to transverse deformation.