Driving mechanism for machines

Claim 1

THE COMBINATION WITH MECHANISM HAVING A FRAME AND A RAM MOUNTED ON SAID FRAME FOR RECIPROCATING MOVEMENT, OF MEANS FOR DRIVING SAID RAM COMPRISING A POER MEMBER, A PAIR OF SIMILAR LONGITUDINALLY EXTENSIBLE AND CONTRACTIBLE LEVERS ADJACENT ONE FACE OF SAID RAM, SAID LEVERS HAVING THEIR INNER END PORTIONS OPERATIVELY CONNECTED TO SAID POWER MEMBER AND DIVERGING OUTWARDLY THEREFROM TO PIVOTS ON SAID FRAME PORTIONS AT OPPOSITE SIDES OF SAID MECHANISMS EQUIDISTANT FROM THE CONNECTIONS OF SAID LEVERS TO SAID POWER MEMBER, EACH OF AID LEVERS COMPRISING AN OUTER HOUSING PORTION HAVING A LONGITUDINAL SLOT THEREIN COMMUNICATION WITH THE SIDE THEREOF ADJACENT SAID RAM PIVOTALLY CONNECTED TO ONE OF SAID PIVOTS AND AN INNER MEMBER HAVING ITS OUTER END SLIDABLY FITTING IN SAID SLOT FOR LONGITUDINAL MOVEMENT THEREIN WITH ITS INNER END PORTION OPERAWTIVELY CONNECTED TO SAID POWER MEMBER FOR PIVOTAL MOVEMENT WITH RESPECT THERETO, A BEARING MEMBER MOUNTED IN EACH OF SAID SLOTS FOR LONGITUDINAL MOVEMENT THEREIN BETWEEN THE OUTER END OF SAID INNER MEMBER AND THE END OF THE SLOT IN THE OUTER MEMBER, AND MEANS FOR PIVOTALLY CONNECTING SAID BEARING MEMBERS AND THE RAM PORTIONS ADJACENT THERETO, WHEREBY ACTUATION OF SAID POWER MEMBER CAUSES SAID LEVERS TO PIVOT ABOUT THEIR PIVOTS ON SAID FRAME AND EFFECT RECIPROCAL MOVEMENT OF SAID RAM IN SAID FRAME.