Buoys – rafts – and aquatic devices – Swimming aid to increase stroke efficiency – Foot attached
Patent
1990-05-17
1992-04-28
Basinger, Sherman
Buoys, rafts, and aquatic devices
Swimming aid to increase stroke efficiency
Foot attached
441 61, A63B 3110
Patent
active
051083280
ABSTRACT:
Disclosed herein is a training fin for swimming which includes a foot section having an enclosure for retaining a user's foot in the fin and a tail section attached to the foot section. The tail section has a surface area of approximately between 0.25 and 1.0 times the surface area of the foot section.
REFERENCES:
patent: 1571467 (1926-02-01), Waldron
patent: 2099973 (1937-11-01), DeCorlieu
patent: 2343468 (1944-03-01), Messinger
patent: 3178738 (1965-04-01), LaTrell
patent: 4521220 (1985-06-01), Schoofs
patent: 4689029 (1987-08-01), Cuccotelle
Bartz Clifford T.
Basinger Sherman
Chaikin Douglas A.
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