US Patent 9764177 Physical fitness training system

A pulley training system including a pulley wheel and a pulley housing, configured to receive a cord over the pulley wheel, and including one or more support attachment points. A radial pulley lock for use with a training pulley system. A sliding knot enclosure for use with a training pulley system. A training pulley system adapted for use with one or more of a variety of types of pulley cords, and with rope adjuster mechanisms to operate with such types of pulley cords.