Patent ID: 8529408
Filing Date: 2013-09-10
Classification: A63B,G16H

Abstract:
1. An exercise machine, comprising: a) a frame, the frame including at least one linear rail, b) a mass mounted for movement along said at least one linear rail, the mass defining a top side and a bottom side, c) a first cord, the first cord extending around a first pulley affixed to the frame, the first cord being connected to the top side of the mass, wherein a pulling force applied to the first cord causes the mass to be lifted, d) a second cord, the second cord having a first end which is connected to the top side of the mass, the second cord extending around a second pulley affixed to the frame, the second cord further extending around a third pulley connected to a piston of a cylinder assembly, the cylinder assembly comprising a cylinder and a piston which can move back and forth within the cylinder, the second cord having a second end which is affixed to the frame, and e) a third cord, the third cord having a first end which is connected to the bottom side of the mass, the third cord extending around a fourth pulley affixed to the frame, the third cord further extending around the third pulley, the third cord having a second end which is affixed to the frame, wherein the cylinder assembly permits substantially unrestricted movement of the piston out of the cylinder, and wherein movement of the piston into the cylinder is restricted.