发明名称 Abdominal exercise device
摘要 Improved strap type exercising devices comprising an attaching band having an attaching member for attachment to a door knob or the like and two D rings supported by the band together with a pair of straps each extending slidably through a respective one of said D rings and having handles formed at each end of said straps with ankle straps attached to each of said straps adjacent one end thereof, said straps being movable individually or in unison, as desired.
申请公布号 US2012100968(A1) 申请公布日期 2012.04.26
申请号 US201113317501 申请日期 2011.10.20
申请人 TILTON JAMES;BROWN JILL;WILLE DOUGLAS JAMES 发明人 TILTON JAMES;BROWN JILL;WILLE DOUGLAS JAMES
分类号 A63B21/00 主分类号 A63B21/00
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