Marine propulsion – Operator powered drive for propelling means – Rotary cranking arm
Patent
1993-10-01
1994-11-08
Basinger, Sherman
Marine propulsion
Operator powered drive for propelling means
Rotary cranking arm
440 30, 440 31, B63H 1620
Patent
active
053622642
ABSTRACT:
A water bicycle comprises a flotation board, a propulsion and seat unit including a mounting flange, a seat, foot pedals mounted for rotation driven by a person sitting on the seat, a propeller and a coupling connecting the pedals to the propeller, an opening in the board through which the propeller may pass and a surrounding edge surface able to receive the flange. A connector is provided for releasably connecting the flange to the edge surface. The bicycle includes a bore in the board with a bushing seat surrounding an upper end of the bore, a handlebar unit including a shaft and a bushing provided on the shaft above a lower end of the shaft, the bushing engaging the bushing seat and the shaft being supported and rotatable in the bore, and a rudder unit connected to the handlebar shaft. A weight of the propulsion and seat unit is supported by the edge surface, and a space on the board between the handlebar unit and the propulsion and seat unit is free for climbing up on when mounting the board in deep water.
REFERENCES:
patent: 1578395 (1926-03-01), Chapin
patent: 2420422 (1947-05-01), Gilliam
patent: 3272173 (1966-09-01), Avellino
patent: 4474502 (1984-10-01), Dadud
patent: 4511338 (1985-04-01), Fanelli
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