Patent ID: 7537550
Filing Date: 2009-05-26
Classification: A63B

Abstract:
1. An exercise weight stack machine, comprising: a frame configured to rest on a floor surface, wherein the frame includes at least one guide rod; a vertical stack of weights movably mounted on the frame, wherein the stack includes a weight supporting member that is movable along a prescribed path defined by the at least one guide rod, and wherein a portion of the weight supporting member projects horizontally outward beyond an outermost edge defined by the weights disposed beneath the weight supporting member; and at least one telescoping rod and cylinder assembly connected to the frame apart from the at least one guide rod, and configured and arranged to occupy a portion of the prescribed path and impart upward force against said portion of the weight supporting member when the weight supporting member is proximate a rest position on the frame, wherein the weight supporting member is movable relative to the frame to a raised position separate and apart from the telescoping rod and cylinder assembly.