Ships – Displacement-type hull – Multiple hulls
Patent
1993-04-26
1995-01-10
Avila, Stephen P.
Ships
Displacement-type hull
Multiple hulls
305 12, B60F 300
Patent
active
053797094
ABSTRACT:
An amphibious all-terrain tracklaying vehicle has a pontoon hull (2) with propulsion track (1) juxtaposed from outside edges to central portions of the pontoon hull (2). A prime mover (11) and control center (22) are positioned on a deck framework (19) above the pontoon hull (2). Attachable optionally to the pontoon hull (2) are earth-moving, wetland-clearing, wetland-farming, snow-moving, rescuing, fire-fighting, spraying, cargo-transporting, personnel-transporting and other items (23). Track-cleaning and track-support elements which enable full-width juxtaposed track on a pontoon hull are provided.
REFERENCES:
patent: 4449758 (1984-05-01), Wohlford et al.
patent: 4846092 (1989-07-01), Wilson
patent: 4961395 (1990-10-01), Coast
patent: 5027737 (1991-07-01), Duffty et al.
Avila Stephen P.
Livingston Edward M.
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