Swim fin

Details Swim fin Swim fin

1986-03-21

1987-08-25

Peters, Jr., Joseph F.

Buoys, rafts, and aquatic devices

Swimming aid to increase stroke efficiency

Foot attached

A63B 3110

Patent

active

046890297

ABSTRACT:
An improved swim fin includes a foot pocket, first and second flexible beams supported by the pocket and projecting forwardly from it, first and second struts attached securely to outer ends of the first and second flexible beams, respectively, a narrow, rigid, streamlined blade having a large span rigidly attached to outer ends of the first and second struts. The first and second flexible struts are composed of flexible plastic and have elliptical cross-sections to reduce drag and to prevent twisting. The first and second struts form legs of a U-shaped member, the bottom of which forms a cross-member maintaining spacing between the first and second flexible beams at a fixed value.

REFERENCES:
patent: 3302223 (1967-02-01), Ciccotelli
patent: 4209866 (1980-07-01), Loeffler

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