Swim fin

Details Swim fin Swim fin

1985-06-18

1986-12-09

Blix, Trygve M.

Buoys, rafts, and aquatic devices

Swimming aid to increase stroke efficiency

Foot attached

A63B 3108

Patent

active

046278206

ABSTRACT:
A swim fin is disclosed which comprises a foot portion, an essentially horizontal flipper and upper and lower shells coupling the foot portion and the flipper. Upper and lower channels are formed between the shells and the flipper for the flow of water therethrough. The channels initiate at water inlet apertures and terminate at water outlet apertures. The flipper extends outboardly of the channels and water outlet apertures to coact with water flowing from the outlet apertures for increased efficiency of the fin.

REFERENCES:
patent: 3649979 (1972-03-01), MacNiel
patent: 3913158 (1975-10-01), Vilarrubis
patent: 4083071 (1978-04-01), Forjot

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