发明名称 Abdominal exercise device
摘要 An exercise device that allows a user to strengthen the entire anatomical core muscles with a lightweight, compact, and portable design. A device includes a housing that is substantially spherical in shape with a hollow portion therein. The housing has at least one protrusion. A ball that is substantially spherical in shape is positioned within said hollow portion such that said housing at least partially encloses the ball therein. A plurality of bearings are disposed between said housing and said ball. The bearings contact the housing and the ball, thereby allowing said housing to rotate about said ball. A plurality of handles detachably connect to the at least one protrusion.
申请公布号 US8550965(B2) 申请公布日期 2013.10.08
申请号 US20100979770 申请日期 2010.12.28
申请人 CANDELA ELIZABETH A;HEDENBERG RONALD J 发明人 CANDELA ELIZABETH A;HEDENBERG RONALD J
分类号 A63B23/02;A63B21/068;A63B22/20 主分类号 A63B23/02
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