Swim fin having multiple articulating transverse hydrofoil blade

Details Swim fin having multiple articulating transverse hydrofoil blade Swim fin having multiple articulating transverse hydrofoil blade

1988-04-11

1990-07-31

Basinger, Sherman D.

Buoys, rafts, and aquatic devices

Swimming aid to increase stroke efficiency

Foot attached

441 61, A63C 3110

Patent

active

049447033

ABSTRACT:
A swim fin includes a foot receptacle for attaching to a swimmer or diver's foot. A pair of parallel beam supports are secured to the foot and toe portion of the foot receptacle and support a plurality of hydrofoil blades therebetween in a pivotal attachment. Limits are provided to restrict the pivotal motion of the hydrofoil blades to provide an optimum angle of attack for the hydrofoil blades during the swimming stroke.

REFERENCES:
patent: 3081467 (1963-03-01), Ciccotelli
patent: 3665535 (1972-05-01), Picken
patent: 3952351 (1976-04-01), Gisbert
patent: 4178128 (1979-12-01), Gongwer

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