Ridg-u-rak, Inc.

John H Zelina, Jr

Theodore S Gorniak

A conveyor system has a load support structure which enables loads to be moved along the conveyor. The load support structure has an input position at which loads can be placed into the conveyor system, an unload position at which loads can be removed from the conveyor system and a load storage area located between the input position and the unload position. The conveyor system also includes a plurality of sensors including an input sensor which senses when a load is at the input position, an unload sensor which senses when a load is at the unload position, and a filled sensor which determines when a pre-selected portion of the load structure has been filled with loads. A propulsion system moves loads along the load support structure. One such propulsion system includes a tram which reciprocates along the load support system. A control system responds to the sensors to cause the propulsion system to move one or more loads to the unload position whenever the unload position is empty. It also causes the propulsion system to move a load from the input position to the storage area when the unload position is full, until such time as the filled sensor determines the pre-selected portion of the conveyor support structure has been filled.

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North East, PA, United States of America

John H Zelina, Jr