Automatic mechanism for stripping and ejecting fin-type heat exchange units from an assembly press

Claim 1

IN AN ASSEMBLY PRESS OF THE CHARACTER DESCRIBED, THE COMBINATION WITH AN ASSEMBLY NEST INCLUDING A NEST BODY HAVING A SERIES OF ELONGATED UPWARDLY FACING PARALLEL GROOVES THEREIN FOR RECEIVING AND CONFINING WITH A TIGHT FRICTION FIT THE LOWER EDGES OF RESPECTIVE STRIPS OF FIN STOCK AND FOR MAINTAINING THE STRIPS UPRIGHT AND IN CLOSELY SPACED PARALLELISM WHILE LENGTHS OF TUBE STOCK ARE PRESSED INTO NOTCHES PROVIDED IN THE UPPER EDGES OF THE UPRIGHT STRIPS TO PRODUCE A COMPOSITE TUBE AND FIN TYPE HEAT EXCHANGE UNIT, SAID NEST BODY BEING PROVIDED WITH OPENINGS IN THE UNDERNEATH SIDE THEREOF INTERSECTING SAID GROOVES AND THUS EXPOSING THE LOWER EDGES OF A SUPPORT, THE STRIPS DISPOSED THEREIN, A STRIPPER MEMBER DISPOSED BENEATH SAID NEST AND MOUNTED ON SAID SUPPORT FOR VERTICAL MOVEMENT BETWEEN A LOWERED POSITION WHEREIN IT CLEARS SAID NEST AND A RAISED POSITION WHEREIN IT EXTENDS INTO SAID OPENINGS, SAID STRIPPER MEMBER BEING ADAPTED DURING MOVEMENT TOWARD ITS RAISED POSITION TO ENTER SAID OPENINGS, ENGAGE THE LOWER EXPOSED EDGES OF THE STRIPS, AND EXERT AN UPWARD THRUST UPON THE HEAT EXCHANGE UNIT SO AS TO DISPLACE THE SAME BODILY UPWARDLY AND THUS STRIP THE UNIT FROM ITS TIGHT FRICTIONAL CONFINEMENT IN THE ASSEMBLY NEST, A LIFTING MEMBER LIKEWISE DISPOSED BENEATH THE NEST AND MOUNTED ON SAID SUPPORT FOR VERTICAL MOVEMENT BETWEEN LOWERED AND RAISED POSITIONS, SAID LIFTING MEMBER BEING ADAPTED DURING MOVEMENT TOWARD ITS RAISED POSITION TO ENGAGE A PORTION OF THE UPWARDLY DISPLACED HEAT EXCHANGE UNIT AND ELEVATE THE SAME ABOVE THE LEVEL OF THE ASSEMBLY NEST, A FIRST FLUID MOTOR FOR MOVING SAID STRIPPER MEMBER BETWEEN ITS LOWERED AND ITS RAISED POSITIONS, A SECOND FLUID MOTOR FOR MOVING SAID LIFTING MEMBER BETWEEN ITS RAISED AND ITS LOWERED POSITIONS, AND MEANS FOR ACTUATING SAID FLUID MOTORS IN UNISON TO EFFECT SIMULTANEOUS MOVEMENT OF THE STRIPPER AND LIFTING MEMBERS TOWARD THEIR RESPECTIVE RAISED POSITIONS.