Buoys – rafts – and aquatic devices – Swimming aid to increase stroke efficiency – Foot attached
Patent
1996-01-11
1997-03-04
Sotelo, Jesus D.
Buoys, rafts, and aquatic devices
Swimming aid to increase stroke efficiency
Foot attached
D21239, A63B 3108
Patent
active
056073348
ABSTRACT:
Swim fin equipped with buckle to secure the heel strap to the open foot pocket swim fin, such swim fin being provided sidewise of the foot pocket with a pin provided with a head enlarged with respect to its stem, and said buckle being provided with an opening, said pin and said opening being coupled for the connection of the buckle to the swim fin; said pin is provided with a radial tooth which cooperates with an abutment element protruding from the perimeter of the buckle opening, such tooth being positioned on the pin in such a manner as to prevent the downward rotation past a certain degree of the buckle with respect to the pin.
REFERENCES:
patent: 4795385 (1989-01-01), Matsuoka
HTM Sport S.p.A.
Sotelo Jesus D.
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