A high capacity motorized rack holds a plurality of jewel case enclosed CDs in holders flexibly inter-connectable with each other to form a rotatable continuous loop. The loop is rotatably retained within a vertical rack housing and is driven by a motor, disposed within the housing, under user control...http://www.google.com/patents/US6915911?utm_source=gb-gplus-sharePatent US6915911 - CD rack with dual disc case holder
