发明名称 Exercise system
摘要 A method and apparatus for an exercising device. The exercising device includes an elongated flexible body having a first extremity and a second extremity disposed to either side of a central portion and an elongated elastic member. The elongated elastic member includes a first end and a second end. The first and second ends are (i) adapted to accommodate a human limb and (ii) adapted to removably couple to the central portion of the elongated flexible body. A plurality of ring structures are disposed along an axis extending between the first extremity and the second extremity of the elongated flexible body, a first clip is disposed at the first end of the elongated elastic member and a second clip is disposed at the second end of the elongated elastic member. The first and second clips are adapted to couple the first and the second ends of the elongated elastic member to ones of the plurality of ring structures. The plurality of ring structures desirably includes a piece of cloth material sewn to the body so as to permanently capture flat portions of D-rings and attach the D-rings along the axis and to the elongated flexible body.
申请公布号 US5743838(A) 申请公布日期 1998.04.28
申请号 US19960747775 申请日期 1996.11.13
申请人 WILLIS, JAMES E. 发明人 WILLIS, JAMES E.
分类号 A63B21/04;A63B21/055;A63B21/16;(IPC1-7):A63B21/02 主分类号 A63B21/04
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