发明名称 Ellipical exercise apparatus with flexible unitary force imparting member
摘要 An exercise apparatus has a linkage assembly which links rotation of a crank to generally elliptical movement of a force receiving member. The linkage assembly includes a flexible drawbar interconnected between the crank and frame of the exercise apparatus.
申请公布号 US2008214364(A1) 申请公布日期 2008.09.04
申请号 US20070981677 申请日期 2007.10.30
申请人 MARESH JOSEPH D;STEARNS KENNETH W 发明人 MARESH JOSEPH D.;STEARNS KENNETH W.
分类号 A63B22/14 主分类号 A63B22/14
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