发明名称 Exercise apparatus
摘要 Exercise apparatus that includes a main support having an upper end portion, a vertically elongated intermediate portion and a lower end portion, a cross support member of an adjustable horizontal width secured to the main support upper end portion and being mountable to and between the sides of a door frame, hand grip members pivotally mounted to extend horizontally outwardly of opposite sides of the intermediate portion, and foot supports pivotally mounted to extend horizontally outwardly of opposite sides of the lower end portion. Pulleys may be mounted on the cross support member and the hand grip mounting member to have ropes extended thereover for pulling weights. Further, a bar and strap may be used to aid in retaining the main support in its mounted position in the doorway when the user has his feet in the foot supports while doing sit-ups.
申请公布号 US4344618(A) 申请公布日期 1982.08.17
申请号 US19800114100 申请日期 1980.01.21
申请人 DUDLEY, WILLIAM H. 发明人 DUDLEY, WILLIAM H.
分类号 A63B21/00;A63B21/06;A63B21/16;A63B23/00;(IPC1-7):A63B21/06 主分类号 A63B21/00
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