Marine propulsion – Oscillating propelling means – Fishtail motion propelling means
Patent
1989-10-20
1991-03-19
Basinger, Sherman
Marine propulsion
Oscillating propelling means
Fishtail motion propelling means
440 24, B63H 1616
Patent
active
050007068
ABSTRACT:
A rocker type propulsion mechanism for a boat includes a rocker arm pivotally provided on the boat, a lever arm being laterally connected to the rocker arm for rockably actuating the rocker arm, a paddle being pivoted on an other end of the rocker arm, and a blocking device being provided beside the paddle for limiting a rotation of the paddle. A rotation of the rocker arm causes the paddle to make a relative movement with water in order to propel the boat.
REFERENCES:
patent: 2097931 (1937-11-01), Martin
patent: 2365415 (1944-12-01), Kruse
patent: 3090974 (1963-05-01), Wozniak
patent: 3880107 (1975-04-01), Miles
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