US Patent 7744404 Cable management system for product display

A cable retraction mechanism for displaying merchandise mounted on a display post in a retail location. The cable retraction mechanism includes a cable assembly having a coiled or equivalent elastically stretchable section. The mechanism also includes a coaxial housing that is connected to a portion of the cable assembly. The reciprocating motion or action of the shuttle within the housing facilitates extension and retraction of the cable assembly in a manner that is independent of the coiled section.