发明名称 Abdominal exercise apparatus
摘要 An exercising apparatus having a frame located forwardly of a supporting surface on which a person may assume a seated position with knees in a first position elevated above the supporting surface and feet in a second position lower than the first position. A leg stabilizer is supported by the frame to maintain the knees in the first position, and a pair of crank handles are supported by the frame for rotation about a common crank axis located near the first position. The pair of crank handles are located on opposite sides of the knees of the person to be movable by hands of the person through complete revolutions. The leg stabilizer may include a knee stabilizer in the first position and a foot stabilizer in the second position to ensure that the person's legs are bent at the knees though an angle approximating 90 DEG .
申请公布号 US6048293(A) 申请公布日期 2000.04.11
申请号 US19970808035 申请日期 1997.03.04
申请人 LEE, EDWARD YONGJIN 发明人 LEE, EDWARD YONGJIN
分类号 A63B21/015;A63B23/02;A63B23/035;A63B23/12;(IPC1-7):A63B26/00;A63B21/00 主分类号 A63B21/015
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