Gripping and releasing device for feed mechanisms

Claim 1

A GRIPPING AND RELEASING DEVICE FOR FEEDING MECHANISMS OF THE CHARACTER HEREIN DESCRIBED COMPRISING, (A) A PAIR OF JAWS MOVABLE TOWARD EACH OTHER TO GRIPPING POSITION AND AWAY FROM EACH OTHER TO RELEASING POSITION, (B) A RECIPROCATING MEMBER ASSOCIATED WITH SAID JAWS AND MOVABLE TO A FIRST POSITION TO CAUSE SAID JAWS TO MOVE TOWARD EACH OTHER, AND MOVABLE TO A SECOND POSITION TO CAUSE SAID JAWS TO MOVE AWAY FROM EACH OTHER, AND (C) MEANS TO RECIPROCATE SAID MEMBER BETWEEN SAID FIRST AND SECOND POSITIONS THEREOF INCLUDING (1) A BELL CRANK LEVER ROTATABLY MOUNTED TO RECIPROCATE BETWEEN TWO EXTREME POSITIONS AND HAVING ONE ARM THEREOF CONNECTED TO SAID MEMBER, (2) MEANS TO ACTUATE SAID LEVER, AND (3) A SPRING LOADED TOGGLE, ONE LINK OF WHICH CONSISTS OF THE OTHER ARM OF SAID BELL CRANK, WHEREBY ROTATION OF SAID BELL CRANK TO ONE OF ITS EXTREME POSITIONS WILL MOVE THE JOINT OF SAID TOGGLE PAST DEAD CENTER IN ONE DIRECTION AND THEREBY MOVE SAID MEMBER TO SAID FIRST POSITION THEREOF, AND ROTATION OF SAID BELL CRANK TO THE OTHER OF ITS EXTREME POSITIONS WILL MOVE THE JOINT OF SAID TOGGLE PAST DEAD CENTER IN THE OTHER DIRECTION AND THEREBY MOVE SAID MEMBER TO SAID SECOND POSITION THEREOF.