Patent ID: 7631612

Claim:
A device for modifying a floating body base having an upper surface forming a principal rolling path and first and second lateral surfaces, the device comprising: on each side of the base floating body, a first movable wall, pivoting on a lower part of a corresponding lateral surface of the base floating body about a first axle, a second movable wall pivoting on the first movable wall about a second axle, and a third movable wall, pivoting about the second movable wall, about a third axle, wherein the first, second, and third axles are parallel to each other and to a longitudinal axis of the principal rolling path, the first, second, and third movable walls are arranged, with respect to each other, so that in a folded position, the first movable wall is essentially parallel to the first lateral surface of the base floating body, and the second and third movable walls partially cover the upper surface of the base floating body, and, in a deployed position, the first movable wall defines a volume between itself and the first lateral surface, the second movable wall extends the first movable wall, and the third movable wall forms an additional path, broadening the upper surface.