发明名称 Portable exercise machine
摘要 An exercise unit or weight machine which may be mounted to a door frame for use. The device is designed for portability in that the unit may be quickly mounted to the door frame and dismounted therefrom, and is symmetric so as to allow the device to be used on either side of the door frame.
申请公布号 US5050869(A) 申请公布日期 1991.09.24
申请号 US19900534550 申请日期 1990.06.07
申请人 FRATE, RICHARD A. 发明人 FRATE, RICHARD A.
分类号 A63B21/00;A63B21/06;A63B21/16;A63B22/00 主分类号 A63B21/00
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