Conveying system

Claim 1

IN A CONVEYOR OF THE CHARACTER DESCRIBED, THE COMBINATION OF, A FRAME CONSTRUCTED, A CONVEYOR TUBE ASSEMBLY EXTENDING ALONG A CONTINUOUS CONVEYONG AND RETURN PATH FROM A RECEIVING ZONE TO A DISCHARGE ZONE, AN ENDLESS CONVEYOR CHAIN EXTENDING ALONG SAID PATH WITHIN SAID TUBE ASSEMBLY, SAID CONVEYOR CHAIN COMPRISING INTERCONNECTED UNIT ASSEMBLIES, EACH OF WHICH IS ADAPTED TO MOVE FREELY THROUGH SAID TUBE ASSEMBLY AND EACH OF WHICH HAS MEANS FORMING DRIVING SHOULDER MEANS, SAID SHOULDER MEANS BEING SPACED A PREDETERMINED DISTANCE APART THROUGHOUT THE EXTEND OF SAID CONVEYOR CHAIN, A PLURALITY OF PRODUCT SUPPORTING RACKS CORRESPINDING IN NUMBER TO SAID UNIT ASSEMBLIES AND MECHANICALLY CONNECTED RESPECTIVELY THERETO, WHEREBY EACH OF SAID RACKS IS CONNECTED TO ONE OF SAID UNIT ASSEMBLIES, EACH OF SAID RACKS PRESENTING A HORIZONTAL PRODUCT SUPPORTING AREA WITH EACH OF SAID AREAS BEING SUBSTANTIALLY CONTIGUOUS WITH THOSE OF THE NEXT ADJACENT RACK WHEREBY SAID RACKS FORM A SUBSTANTIALLY CONTINUOUS CONVEYING AREA, TRACK MEANS PROVIDING SUPPORT FOR SAID RACK THROUGH SAID CONVEYING AREA, AND DRIVING MEANS FOR SAID CONVEYOR CHAIN COMPRISING AN ENDLESS DRIVING CHAIN HAVING SPACED DRIVING LUGS WHICH MOVE INTO ENGAGEMENT WITH SAID SHOULDER MEANS AND MEANS MOVING SAID DRIVING CHAIN ALONG A PATH, A PORITON OF WHICH IS SUBSTANTIALLY PARALLEL WITH AND ADJACENT THE PATH OF SAID CONVEYOR CHAIN, SAID DRIVING LUGS BEING SPACED FROM EACH OTHER ALONG SAID DRIVING CHAIN AT A DISTANCE SLIGHTLY LESS THAN THE SPACING BETWEEN SAID SHOULDER MEANS ON SAID CONVEYOR CHAIN.