Method and control apparatus for pulling extrusions from dies

Claim 1

EXTRUSION HANDLING APPARATUS, COMPRISING AN ELONGATED HORIZONTAL RUN-OUT TABLE FOR RECEIVING EXTRUSIONS FROM THE DIE OF AN EXTRUSION PRESS; A CARRIER MEANS SUPPORTED FOR TRAVEL ALONG SAID RUN-OUT TABLE FROM A FIRST POSITION AT SAID PRESS TO AN END POSITION SUBSTANTIALLY AT THE END OF SAID RUN-OUT TABLE; A CLAMPING MEANS SUPPORTED BY SAID CARRIER MEANS AND IN SAID FIRST POSITION LOCATED IN THE PATH OF AN EXTRUSION EMERGING FROM THE DIE FOR RECEIVING THE EXTRUSION AND GRIPPING THE SAME; SAID CLAMPING MEANS HAVING A CLAMPING MEMBER MOVABLE FROM A RETRACTED POSITION TO A GRIPPING POSITION; A MOTIVE POWER MEANS FOR MOVING SAID CARRIER MEANS AND CLAMPING MEANS ALONG SAID TABLE; ELECTRICAL CONTROL MEANS FOR INITIALLY CONTROLLING THE OPERATION OF SAID MOTIVE POWER MEANS IN A DIRECTION MOVING SAID CLAMPING MEANS AWAY FROM SAID PRESS; AN ELECTRICAL SWITCH FORMING A PART OF SAID ELECTRICAL CONTROL MEANS AND HAVING A TRIPPING ELEMENT FOR OPERATING THE SAME; A SWITCH ACTUATOR OPERATIVELY SECURED TO AND MOVABLE WITH SAID CLAMPING ELEMENT FROM A RETRACTED POSITION TO AN ACTUATING POSITION CORRESPONDING RESPECTIVELY WITH SAID RETRACTED AND GRIPPING POSITIONS OF SAID CLAMPING ELEMENT; SAID TRIPPING ELEMENT BEING LOCATED IN THE PATH OF THE MOVEMENT OF SAID SWITCH ACTUATOR AT A POSITION FOR ACTUATION BY SAID ACTUATOR AT ITS ACTUATING POSITION WHEREBY ACTUATION OF SAID TRIPPING ELEMENT AND OPERATION OF SAID CONTROL MEANS AND MOTIVE POWER MEANS OCCURS ONLY AFTER GRIPPING OF SAID EXTRUSION BY SAID CLAMPING MEANS.