Importance

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Abstract

An exerciser for exercising arms includes a frame assembly and an input mechanism which has a pull rope. The pull rope has a fixed end and a movable end connected to an arm exercising mechanism. A suspended pulley set includes a pulley seat on which an upper pulley and a lower pulley are mounted. The pull rope extends around the upper portion of the lower pulley, while a guide rope extends around the lower portion of the upper pulley. The guide rope is fixed on the frame assemby at an end thereof. When the pull rope is pulled, the suspended pulley set moves downward so as to rotate an intermediate drive wheel. An endless flexible driving element is trained between the intermediate drive wheel and a driven wheel so as to rotate the driven wheel. A resistance setting unit is disposed on the frame assembly and can be adjusted so that a generator unit creates a predetermined amount of electric current, thereby activating a magnetic controller to change magnetic resistance to the rotation of the driven wheel. A spiral spring connects the rotating shaft of the driven wheel to the frame assembly so as to rotate the rotating shaft to a normal position, thereby moving the suspended pulley set to an upper limit position. The resistance setting unit may be a rotary knob.

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First Claim