Ships – Building – Antifriction surfaces
Reexamination Certificate
2007-01-30
2007-01-30
Olson, Lars A. (Department: 3617)
Ships
Building
Antifriction surfaces
C180S126000
Reexamination Certificate
active
10887095
ABSTRACT:
Presented is a beachable high speed marine vehicle with air cushioned hull(s) capable of transporting heavy loads at very high speeds to beachheads and then departing the beachhead under its own power. The artificially pressurized air cushions allow the bow of the vehicle to be raised to the water surface at all speeds including when stationary. The design of the forward end of the air cushion recesses allows both high speed breaking of water from the hull at that point and backing off of the beachheads in spite of sand, rocks, and the like being inside the air cushion forward end. An optional upward raising secondary bow is also described. Monohull, multi-hulled such as catamaran, and outrigger hull versions of the same conceptual invention are disclosed with all derived from the same basic concepts regarding loading and unloading of cargo, beaching abilities, air cushion performance, and other features.
REFERENCES:
patent: 2694996 (1954-11-01), Poche
patent: 4135468 (1979-01-01), Kirby et al.
patent: 5462002 (1995-10-01), Wendt et al.
patent: 6199496 (2001-03-01), Burg
patent: 6487981 (2002-12-01), Burg
Olson Lars A.
Van Der Wall Robert J.
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