发明名称 Weight lifting free fall restraint system
摘要 Generally, a weight lifting free fall restraint system which includes a support frame providing at least one free fall restraint element which, when coupled to a weight bar, retractably pays out a tether element in response to movement of the weight bar and restrains retractable pay out of the tether element in response to free fall of the weight bar.
申请公布号 US2011230316(A1) 申请公布日期 2011.09.22
申请号 US201113065286 申请日期 2011.03.18
申请人 IRON ALLY, LLC 发明人 JOHNSON, III RAYMOND GENE
分类号 A63B21/078 主分类号 A63B21/078
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