An exercise machine has multiple stations at each of which two or more exercises are performed in opposition to a selected amount of weight in a weight stack. A cable and pulley system connects the exercise apparatus at the exercise stations with the weight stack in such a manner that only one pull cable in the system is connected to the weight stack.
申请公布号
US4809972(A)
申请公布日期
1989.03.07
申请号
US19870097549
申请日期
1987.09.16
申请人
RASMUSSEN, R. A.;MACLEAN, W. D.
发明人
RASMUSSEN, ROBERT A.;JOHNSON, JEFFREY B.;MACLEAN, WILLIAM D.;ISH III, ARTHUR B.