发明名称 Boxing training device
摘要 The boxing training device of the present invention includes two hollow elastic elements which locate on two different positions. The boxing training device also includes two slidable and rigid sliders. The slider can be moved into the elastic element so that the elastic element can be limited by the slider. As such, the whole device does not sway when transporting without disassembling. Also, said device can provide a variety of way to use.
申请公布号 US8641583(B2) 申请公布日期 2014.02.04
申请号 US201113252203 申请日期 2011.10.04
申请人 CHEN TINA 发明人 CHEN TINA
分类号 A63B21/00 主分类号 A63B21/00
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