Buoys – rafts – and aquatic devices – Swimming aid to increase stroke efficiency – Leg attached
Patent
1996-01-11
1997-12-02
Avila, Stephen
Buoys, rafts, and aquatic devices
Swimming aid to increase stroke efficiency
Leg attached
114351, A63B 3112
Patent
active
056929323
ABSTRACT:
A propulsion device for persons in an upright position in water has a loose flexible panel within a reinforced border; the panel is attached to the frontal lower leg by a knee strap at its top and by ankle and foot straps at its bottom. Walking or striding motions of the wearer's legs cause the material of the panel to billow out and provide resistance against the water when the wearer's leg moves backward, propelling the wearer forward through the water; the panel collapses against the leg and conforms to its shape when the leg is moved forward, offering little or no increased resistance to the water.
REFERENCES:
patent: 1711307 (1929-04-01), Dabrowski
patent: 1794883 (1931-03-01), Corder et al.
patent: 1909259 (1933-05-01), Feir
patent: 2898611 (1959-08-01), Mooney
patent: 3015829 (1962-01-01), Gronkowski
patent: 3286287 (1966-11-01), Martin
patent: 3424133 (1969-01-01), Brady
patent: 5338235 (1994-08-01), Lee
Fowler Billy D.
Lance Randy M.
Avila Stephen
Ray Jerry C.
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