Amphibious vehicle

Marine propulsion – Self-propelled vehicle having land and water propulsion means – Having separated propulsion means for land and water

Reexamination Certificate

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Details

C114S344000, C114S345000

Reexamination Certificate

active

11294537

ABSTRACT:
An amphibious vehicle (1), in the form of an inflatable boat (2) has a self propelled and steerable retractable undercarriage system, enabling the vehicle to enter and exit the water under its own power. The swing of the wheels and their supporting struts (3) & (4) occurs external to the hull of the vehicle. A steerable nose leg (3) is raised or lowered by an actuator situated inside the boat. Stowage is accomplished within the lines of an inflatable craft by the incorporation of fibreglass fairings (5) & (6) sized to match the main inflated tubes (7). Power is provided to the back wheels (4) via an internal drive train within the legs (4). All terrain balloon type tires are used to enable the boat to travel over a variety shoreline terrain. A steering system engages with the front wheel when the wheel is in its extended position. Motive power is provided by a separate aircooled motor.

REFERENCES:
patent: 3158881 (1964-12-01), Clausen
patent: 3689950 (1972-09-01), Jalowiecki
patent: 3755835 (1973-09-01), Boersig
patent: 3755838 (1973-09-01), Dunagan
patent: 4008679 (1977-02-01), Bozzano
patent: 5176098 (1993-01-01), Royle
patent: 5632221 (1997-05-01), Trenne et al.
patent: 5769021 (1998-06-01), Schad
patent: 2273069 (1999-11-01), None
patent: 28 22 182 (1979-11-01), None
patent: 2 351 856 (1977-12-01), None
patent: 2 563 180 (1985-10-01), None
patent: 2 677 901 (1992-12-01), None
patent: 2776964 (1999-10-01), None
patent: 2 170 759 (1986-08-01), None
patent: WO 91/09769 (1991-07-01), None

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