Apparatus for vulcanizing and/or retreading pneumatic tires

Claim 1

IN A APPARATUS FOR VULCANIZING AND RETREADING PENUMATIC TGIRES, IN COMBINATION, LOWER STATIONARY MOLD MEANS; UPPER MOVABLE MOLD MEANS SUPERPOSED UPON SAID LOWER MOLD MEANS, SAID UPPER MOLD MEANS BEING MOVABLE WITH RESPECT TO SAID LOWER MOLD MEANS BETWEEN A CLOSED POSITION IN WHICH OPPOSING END FACES OF SAID MOLD MEANS ENGAGE EACH OTHER AND AN OPEN POSITION IN WHICH SAID END FACES ARE SPACED FROM AND INCLINED RELATIVE TO EACH OTHER; PIVOT PIN FIXEDLY CONNECTED TO ONE OF SAID MOLD MEANS ADJACENT TO THE REAR EDGE THEREOF; GUIDE MEANS FIXEDLY CONNECTED TO THE OTHER MOLD MEANS FOR MOUNTING SAID PIVOT PIN MEANS TURNABLY ABOUT ITS AXIS AND FOR LIMITED MOVEMENT OF SAID PIVOT PIN MEANS AND GUIDE MEANS RELATIVE TO EACH OTHER IN A DIRECTION INCLINED AT AN ACUTE ANGLE TO THE END FACE OF SAID STATIONARY MOLD MEANS, SO AS TO CAUSE INITIALLY SIDEWAYS MOVEMENT OF SAID OTHER MOLD MEANS WHEN SAID PIVOT MEANS MOVES ALONG SAID GUIDE MEANS; AND MOVING MEANS ACTING ON SAID UPPER MOLD MEANS FOR MOVING THE SAME BETWEEN SAID POSITIONS THEREOF, SAID MOVING MEANS BEING PIVOTALLY CONNECTED TO A PORTION OF SAID UPPER MOLD MEANS LOCATGED BETWEEN THE CENTER LINE OF THE UPPER MOLD MEANS AND THE AXIS OF SAID PIVOT PIN MEANS AND ACTING ON SAID UPPER MOLD MEANS SUBSTANTIALLY IN SAID DIRECTION TO CAUSE DURING THE FIRST PART OF MOVEMENT OF SAID UPPER MOLD MEANS FROM SAID COLOSED TO SAID OPEN POSITON A SHIFTING MOVEMENT OF SAID UPPER MOLD MEANS IN SAID DIRECTION RELATIVE TO SAID LOWER MOLD MEANS AND SUBSEQUENTLY THERETO A TURNING MOVEMENT ABOUT THE AXIS OF SAID PIVOT PIN MEANS SO THAT A TIRE TREATED BETWEEN SAID MOLD MEANS WILL, DURING OPENING OF SAID UPPER MOLD MEANS, BE SLIGHTLY COMPRESSED IN DIRECTION TRANSVERSE TO ITS AXIS AND BE SUBSEQUENTLY TITLED RELATIVE TO SAID UPPER AND LOWER MOLD MEANS TO BE DISENGAGED THEREFROM DURING THE OPENING MOVEMENT OF SAID UPPER MOLD MEANS.