Patent ID: 7234405

Claim:
A marine vessel comprised of a central elevatable elongated enclosure, at least four elongated pontoons symmetrically disposed, at least two on each side of and parallel to said enclosure and aligned end-to-end with each other in at least one row, all of said at least two pontoons in a row flexibly affixed to each other at their adjacent ends by a first affixing means, at least four supporting articulating members symmetrically and respectively affixed by a second affixing means, at least two on each side, to said enclosure, the lower end of each of said members freely and respectively affixed, by a direct third affixing means or by indirect affixing means, at or below the center of buoyancy of one of said pontoons, the orientation of and effective length of each of said supporting members being adjustable by adjusting means, said vessel having controllable propulsion means and access means into said enclosure for personnel, said enclosure and/or said at least four members supporting a load with load supporting means, whereby each pontoon is self stabilizing when on rough water due to the low, central attachment point of the load which it supports and each pair of joined pontoons, freely and unrestrictedly (1) pitches or (2) pitches and rolls relative to the other pontoon, and whereby a load is supportable within or under said enclosure and is transportable over water.