Traveling tray conveyor stabilizing means

Claim 1

A STABILIZED TRAY CONVEYOR FOR AN OVEN, INCLUDING A FIRST AND SECOND ENDLESS CHAIN DISPOSED ADJACENT OPPOSITE SIDES OF SAID OVEN, EACH INCLUDING SPACED UPPER AND LOWER RUNS AND A CONNECTING UPRIGHT RUN, THE UPRIGHT RUN OF SAID SECOND ENDLESS CHAIN BEING DISPOSED IN PARALLEL REARWARDLY OFFSET RELATION WITH RESPECT TO THE UPRIGHT RUN OF SAID FIRST ENDLESS CHAIN, A PLURALITY OF EQUIDISTANTLY SPACED TRAYS EACH PIVOTALLY ATTACHED AT ONE FRONT CORNER PORTION TO SAID FIRST ENDLESS CHAIN AND AT ITS DIAGONALLY OPPOSITE REAR CORNER PORTION TO SAID SECOND ENDLESS CHAIN, A SERIES OF END TO END PIVOTALLY CONNECTED LINKS FORMING A FLUID ENDLESS CHAIN OFFSET LATERALLY INWARD OF AND ADAJCENT SAID FIRST ENDLESS CHAIN AND BEING TRAINED OVER AN UPPER END A LOWER SPROCKET, SAID SPROCKETS BEING RESPECTIVELY DISPOSED ADJACENT THE UPPER AND LOWER RUNS OF SAID FIRST ENDLESS CHAIN IN A COMMON LONGITUDINAL PLANE AND POSITIONED TO DISPOSE THE UPRIGHT FORWARD RUN OF SAID THIRD ENDLESS CHAIN IN A COMMON TRANSVERSE PLANE WITH THE UPRIGHT RUN OF SAID SECOND ENDLESS CHAIN, MEANS FOR DRIVING SAID FIRST, SECOND AND THIRD ENDLESS CHAINS IN THE SAME DIRECTION AND AT THE SAME SPEED, EACH OF THE LINKS OF SAID THIRD ENDLESS CHAIN BEING SUBSTANTIALLY U-SHAPED BETWEEN THEIR PIVOTALLY CONNECTED ENDS WITH THE OPEN SIDE THEREOF FACING OUTWARDLY OF SAID THIRD ENDLESS CHAIN, AN OUTBOARD ROLLER CARRIED BY THE UNATTACHED REAR CORNER PORTION OF EACH TRAY ADAPTED TO BE SNUGLY RECEIVED IN A SAID U-SHAPED LINK TO COOPERATE WITH SAID PIVOTAL ATTACHMENTS OF SAID TRAYS TO SAID FIRST AND SECONE ENDLESS CHAINS TO SECURE SAID TRAYS AGAINST TILTING AS SAID TRAYS MOVE FROM SAID UPRIGHT RUN AND FROM SAID UPRIGHT RUN, ALONG SAID UPRIGHT RUN AND FROM SAID UPRIGHT RUN TO SAID UPPER RUN, AND SAID SPROCKETS HAVING A PLURALITY OF EQUIDISTANTLY SPACED ARCUATE CIRCUMFERENTIAL RECESSES REGISTERING WITH SAID U-SHAPED LINKS FOR TRANSIENT RECEPTION OF SAID OUTBOARD ROLLERS IN SAID U-SHAPED LINKS AND SAID SPROCKET RECESSES AS SAID TRAYS MOVE FROM SAID LOWER RUN TO SAID UPRIGHT RUN AND FROM SAID UPRIGHT RUN TO SAID UPPER RUN.