Machine for extracting vulcanization bags from pneumatic tires

Claim 1

A MACHINE DESIGNED FOR THE EXTRACTION OF VULCANISING OR HEAT-TREATMENT BAGS FROM PNEUMATIC RUBBER TYRES, SAID MACHINE COMPRISING AN ARTICULATED LEVER SYSTEM PROVIDED WITH GRIPPING MEMBERS AND CONSTITUTING A MECHANICAL ARM, SAID LEVER SYSTEM INCLUDING TWO ARTICULATED LEVERS, ONE OF WHICH PIVOTS ABOUT A FIXED AXIS WHILE THE OTHER CARRIES SAID GRIPPING MEMBERS, A SECOND ARTICULATED LEVER SYSTEM INCLUDING TWO FURTHER ARTICULATED LEVERS, ONE OF WHICH PIVOTS ABOUT A FIXED AXIS, SEPARATE POWER-ACTUATED DEVICES FOR SELECTIVELY OPERATING AND CONTROLLING THE ANGULAR MOVEMENT OF EACH OF THE SAID TWO ARTICULATED LEVERS OF SAID FIRST ARTICULATED SYSTEM, CONTROL MEANS FOR INDEPENDENTLY CONTROLLING THE POWER SUPPLY TO EACH OF SAID POWER-ACTUATED DEVICES, AND MEANS FOR CONTROLLING SAID CONTROL MEANS IN DEPENDENCE ON THE MOVEMENT OF EACH LEVER CONSTITUTING THE SAID SECOND ARTICULATED, LEVER SYSTEM, WHEREBY THE DESIRED CYCLE OF MOVEMENT TRACED BY SAID SECOND ARTICULATED LEVER SYSTEM AND REQUIRED FOR THE EXTRACTION OF THE SAID BAG, IS REPEATED BY SAID ARTICULATED LEVER SYSTEM UNDER POWER-OPERATION.