发明名称 Adjustable height and length aerobic step/bench device
摘要 An adjustable height and length aerobic step/bench device includes a base having a horizontal platform with a depending skirt. The base includes connecting elements for detachably receiving legs so that the elevation or height of the platform can be varied. Additionally, the platform itself includes structural elements to selectively permit the length of the platform to be varied.
申请公布号 US5162028(A) 申请公布日期 1992.11.10
申请号 US19910754075 申请日期 1991.09.03
申请人 WILKINSON, WILLIAM T. 发明人 WILKINSON, WILLIAM T.
分类号 A63B23/04 主分类号 A63B23/04
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