Marine propulsion – Operator powered drive for propelling means – Rotary cranking arm
Patent
1993-03-29
1995-04-11
Swinehart, Edwin L.
Marine propulsion
Operator powered drive for propelling means
Rotary cranking arm
440 30, B63H 1620
Patent
active
054052750
ABSTRACT:
A watercraft has floats supporting a bicycle-type frame, having handlebars connected to a rudder to steer the watercraft. A chain and sprocket foot operated drive is connected to a shaft journaled to a housing accommodating a power transmission for rotating a propeller. The housing is movable between a down location, wherein the chain is retained in a tension condition to an up location, wherein the chain is in a loose condition.
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Scientific American, "Human-Powered Watercraft" brochure Dec., 1986.
Buresch Raymond J.
Schlangen Phillip E.
Hydeo-Bikes, Inc.
Swinehart Edwin L.
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