发明名称 Operator propelled water skis
摘要 This invention relates to operator propelled water skis comprising a pair of elongated float-type ski members with suitable operator foot supports therein mounted in a thwart-type frame having outrigger floats attached thereto. A pair of ski pole floats are similarly positioned on the frame and are slidable relative thereto through movement of ski poles coupled to the floats to increase stability of the water skis to the operator and provide a means for propelling the skis. The ski members and ski pole floats have surfaces thereon which increase the resistance of movement of the floats and ski members in one direction of the skis and reduce resistance in the opposite direction of movement to aid in movement of the skis.
申请公布号 US4157597(A) 申请公布日期 1979.06.12
申请号 US19780876996 申请日期 1978.02.13
申请人 TREBNICK, RALPH J 发明人 TREBNICK, RALPH J
分类号 B63B35/81;(IPC1-7):A63C15/04 主分类号 B63B35/81
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