发明名称 Swimming shoe for breast stroke
摘要 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.
申请公布号 US4310938(A) 申请公布日期 1982.01.19
申请号 US19790100944 申请日期 1979.12.06
申请人 EICHLER, DIETER 发明人 EICHLER, DIETER
分类号 A63B31/11;(IPC1-7):A63B31/10 主分类号 A63B31/11
代理机构 代理人
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