Amphibious vessel

Marine propulsion – Helical screw

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Details

440 98, 440100, 180 72, B63H 128

Patent

active

048570222

ABSTRACT:
An amphibious vessel has at least two substantially parallel, elongate flotation members (2, 3) which operate on water as hulls. Each flotation members (2, 3) is rotatable about a longitudinal axis thereof so as to be rollable over land. The rotation of one flotation member (2) may be power-driven, while another flotation member (3) may be steerable during travel over land.

REFERENCES:
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patent: 669210 (1901-03-01), Burch
patent: 864106 (1907-08-01), Peavey
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patent: 3123039 (1964-03-01), Bridwell
patent: 3304900 (1967-02-01), Greenwood
patent: 3605296 (1971-09-01), Dysart
patent: 4476948 (1984-10-01), Komoto et al.
patent: 4552538 (1985-11-01), Galluzzo et al.

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