Patent ID: 6283898
Filing Date: 2001-09-04
Classification: A63B

Abstract:
A mechanical weightlifting machine, comprising:(i) a support structure having an elevated pivot with a pivot axis;(ii) an articulating mechanism engaging the pivot, the articulating mechanism having at least one articulating structure, the articulating structure having a lever arm, wherein the lever arm has a distal end on one side of the pivot with a connection device from which a depending link member is suspended, the depending link member having and end with means for engaging a bar, the articulating structure having an adjustment mechanism with a displaceable connection device with an effective connection point locatable on the opposite side of the pivot, the displaceable connection device having a counterweight;(iii) means for moving the displaceable connection device relative to the axis of the pivot wherein the leverage of said counterweight directed to said lever arm is adjusted;(iv) actuation means for actuating said means for moving; and(v) a control device remote from the adjustment mechanism with control means for controlling said actuation means.