Apparatus for liquid treating and conveying work

Claim 1

WORK HANDLING APPARATUS FOR MOVING WORK INTO AND OUT OF TREATMENT TANKS ARRANGED IN SIDE BY SIDE ROWS, SAID APPARATUS COMPRISING A PAIR OF LONGITUDINALLY EXTENDING CONVEYOR MECHANISMS ARRANGED IN A SIDE BY SIDE RELATION, EACH OF SAID MECHANISMS INCLUDING A VERTICALLY MOVABLE CHASSIS MOUNTED FOR MOVEMENT BETWEEN A LOWER POSITION IN WHICH WORK THEREON IS IMMERSED IN A TREATMENT TANK AND AN UPPER POSITION IN WHICH THE WORK IS ABOVE THE TANKS, MEANS FOR MOVING SAID TWO CHASSIS SO THAT WHEN EACH CHASSIS IS IN ITS LOWER POSITION THE OTHER CHASSIS IS IN ITS UPPER POSITION AND SO THAT SAID TWO CHASSIS MOVE CONCURRENTLY BETWEEN SAID POSITIONS, A PAIR OF SHUTTLE UNITS EXTENDING BETWEEN CORRESPONDING ENDS OF SAID MECHANISMS, EACH OF SAID SHUTTLE UNITS INCLUDING A CARRIAGE FOR CONVEYING WORK FROM ONE END OF ONE CONVEYOR MECHANISM TO THE CORRESPONDING END OF THE OTHER CONVEYOR MECHANISM, EACH OF SAID CARRIAGES BEING MOUNTED FOR HORIZONTAL MOVEMENT AT A LEVEL CORRESPONDING SUBSTANTIALLY TO THE UPPER POSITIONS OF SAID CHASSIS, AND MEANS FOR COORDINATING THE TRAVEL OF SAID CARRIAGES SO THAT THEY ARE AT OPPOSITE ENDS OF EACH CHASSIS IN THE UPPER POSITION THEREOF.