Patent attributes
An exercise machine may include a support frame; at least one weight rack configured to receive added weight; and a weight ratio arrangement engaged with the support frame, the at least one weight rack, and a first attachment. The weight ratio arrangement may include an exercise cable having a first end connected to the first attachment and a second end connected to a portion of the machine; at least two movable pulley blocks, each including at least one pulley, wherein the at least one weight rack is attached to and configured to move with one of the at least two movable pulley blocks; and a locking mechanism movable between a locked position in which only one movable pulley block is movable and an unlocked position in which the two movable pulley blocks are movable. The exercise cable may be operatively connected to the at least two movable pulley blocks.
