Adjustable grip for ejector mechanism in an injection mold

Claim 1

IN AN INJECTION MOLDING MECHANISM, THE COMBINATION OF A STATIONARY MOLD MEANS, A MOVALE MOLD MEANS TO ENGAGE SAID STATIONARY MOLD MEANS AND DEFINE A MOLD CAVITY, MEANS ENGAGING SAID MOVABLE MOLD MEANS TO CONTROL THE POSITION THEREOF AND MOVE IT TOWARDS AND AWAY FROM SAID STATIONARY MOLD MEANS, AN EJECTOR MECHANISM MOVABLE RELATIVE TO SAID MOVABLE MOLD MEANS AND OPERTATIVELY SECURED THERETOSAID EJECTOR MEANS INCLUDING EJECTOR PINS ADAPTED TO BE MOVED TO EXTEND INTO SAID MOLD CAVITY UPON MOLD OPENING MOVEMENT TO EJECT AN ARTICLE THEREIN, GRIPPING MEANS OPERATIVELY AFFIXED TO SAID EJECTOR MECHANISM, SAID GRIPPING MEANS HAVING A CIRCULAR BORE THERETHROUGH, AND A STATIONARY CYLINDRICAL MEMBER SECURED TO SAID STATIONARY MOLD MEANS AND SLIDABLY PASSING THROUGH SAID BORE OF SAID GRIPPING MEANS, SAID GRIPPING MEANS INCLUDING: AN ANNULAR BALL BEARING COMPRISING A PLURALITY OF BALLS OPERATIVELY MOUNTED IN SAID GRIPPING MEANS, AN ANNULAR CONICALLY TAPERED INSERT HAVING A SMALLER AND A LARGER DIAMETER END OPERATIVELY MOUNTED IN SAID BORE OF SAID GRIPPING MEANS TO ENGAGE SAID BALLS OF SAID BALL BEARING ON THE RADIALLY OUTWARD SIDE OF SAID BEARING, SAID BALLS OF SAID BEARING ENGAGING SAID CYLINDRICAL MEMBER ON THE RADIALLY INWARD SIDE OF SAID BEARING, SAID BALLS OF SAID BEARING TENDING TO ROLL FREELY TOWARD THE LARGER DIAMETER END OF SAID TAPERED INSERT WHEN SAID GRIPPING MEANS IS MOVED RELATIVE TO SAID CYLINDRICAL MEMBER TOWARDS THE MOLD OPENING POSITION, SAID BALLS OF SAID BEARING GREATLY RESTRICTING THE MOVEMENT OF SAID GRIPPING MEANS RELATIVE TO SAID CYLINDRICAL MEMBER WHEN SAID GRIPPING MEANS IS MOVED RELATIVE TO SAID CYLINDRICAL MEMBER FOR MOLD CLOSING MOVEMENT, RESILIENT MEANS BIASING SAID BALL BEARING TOWARDS THE NARROWED PORTION OF SAID TAPERED INSERT, AND MEANS CARRIED BY SAID GRIPING MEANS AND ENGAGING SAID BALL BEARING TO ADJUST THE BIASING ACTION OF SAID RESILIENT MEANS.