A conveyor apparatus for transporting items via an endless conveyor belt having at least one locking member. At least one interchangeable holder element is adapted to releasably interlock with the locking member provided on the conveyor belt, with the locking member exerting a downward force on the holder...http://www.google.es/patents/US6321904?utm_source=gb-gplus-sharePatente US6321904 - Conveyor belt with locking member for holder elements
Conveyor belt with locking member for holder elements
