Swimming shoe for breast stroke

Details Swimming shoe for breast stroke Swimming shoe for breast stroke

1979-12-06

1982-01-19

Blix, Trygve M.

A63B 3110

Patent

active

043109381

ABSTRACT:
The present swimming shoe is intended for use in connection with breast stroke swimming as opposed to other types of swim strokes. For this purpose the body of the present swimming shoe has a cavity for receiving a swimmer's foot and a bottom or sole as well as a shoe upper. Two thrust or propulsion flaps or flippers are hinged to the shoe body in such a manner that a pulling movement of the swimmer's legs substantially reduces the surface area of the swimming shoe, whereas a thrust or propulsion movement of the swimmer's legs increases the "thrust surface area" in an optimal manner. To this end one propulsion flap is hinged to a longitudinal edge of the sole whereas another propulsion flap is hinged to the longitudinal side of the shoe upper, preferably diagonally opposite the first flap or flipper.

REFERENCES:
patent: 96002 (1869-10-01), Harpster
patent: 1508524 (1924-09-01), Olson
patent: 3447199 (1969-06-01), Trimble
patent: 3671987 (1972-06-01), Mayor
patent: 3867734 (1975-02-01), Courageux

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