Sculling apparatus for small boats

Marine propulsion – Oscillating propelling means – Fishtail motion propelling means

Reexamination Certificate

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Details

C440S021000

Reexamination Certificate

active

06843691

ABSTRACT:
The present invention provides an apparatus for propelling a small boat through a body of water by use of a sculling action. The apparatus may be comprised of a vertical stock attached to a vertical surface of the boat, normally the transom. A wide, flexible fin may project outwardly and rearwardly from the bottom end of the vertical stock. A tiller may extend from the top end of the vertical stock towards the bow of the boat. The pumping action on the tiller causes the fin to move back and forth in a sculling action so as to propel the boat through the water. The apparatus may be easily folded into a compact package for storage in the boat either for emergency use or for storage of the boat. The fin may be bifurcated into a plurality of panels for more compact and efficient storage. Plates provided to hold the fin in a vertical orientation may have flanges along their upper edges to provide a step for easy reentry of a swimmer into the boat.

REFERENCES:
patent: 1704400 (1929-03-01), Michiels
patent: 2365415 (1944-12-01), Kruse
patent: 2696797 (1954-12-01), Whidden
patent: 2809604 (1957-10-01), Meredith
patent: 4172427 (1979-10-01), Kindred
patent: 4304555 (1981-12-01), Gander
patent: 4345903 (1982-08-01), Laser
patent: 4389196 (1983-06-01), Gander
patent: 4548149 (1985-10-01), Del Roso
patent: 5584732 (1996-12-01), Owen
patent: 6079344 (2000-06-01), Wang et al.
patent: 388 41 624 (1990-09-01), None
patent: 2 446 765 (1980-08-01), None

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