Work movable mechanism

Claim 1

A WORK MOVABLE MECHANISM FOR USE WITH A MACHINE FOR PERFORMING AN OPERATION ON THE WORK AT A FIXED LOCATION IN THE MACHINE EACH TIME THE WORK COMES TO REST COMPRISING: (A) MEANS FOR ENGAGING THE WORK IN A POSITIVE, NONSLIPPING FASHION AND MOVING THE WORK IN ONE DIRECTION AND STOPPING THE WORK, (B) MEANS FOR CAUSING THE FIRST RECITED MEANS TO INTERMITTENTLY MOVE THE WORK PREDETERMINED AMOUNTS IN SAID ONE DIRECTION AND FOR CAUSING SAID FIRST RECITED MEANS TO STOP THE MOVEMENT OF THE WORK AND TO PREVENT NO MORE THAN A NEGLIGIBLE AMOUNT OF MOVEMENT OF THE WORK IN A DIRECTION OPPOSITE SAID ONE DIRECTION AT ANY TIME THE MECHANISM IS OPERATING, (C) SAID SECOND RECITED MEANS INCLUDING (1) A ROTATABLE SHAFT CONNECTED TO SAID FIRST-RECITED MEANS AND HAVING A FIRST ONE-WAY SLIP CLUTCH MOUNTED THEREON, (2) A CRANK ARM MOUNTED ON SAID CLUTCH TO ROTATE THE SHAFT THROUGH THE CLUTCH IN ONE DIRECTION A PREDETERMINED AMOUNT, SAID CLUTCH BEING ADAPTED TO SLIP ON THE SHAFT DURING COUNTERROTATION OF THE CRANK ARM TO ITS STARTING POSITION, (3) A SECOND ONE-WAY SLIP CLUTCH OF OPPOSITE HAND FROM SAID FIRST CLUTCH MOUNTED ON SHAFT, AND (4) MEANS RETRAINING SAID SECOND CLUTCH FROM ANY ROTATION IN THE DIRECTION OPPOSITE TO WHICH SAID SHAFT IS ROTATED BY SAID CRANK ARM THROUGH SAID FIRST CLUTCH THEREBY PREVENTING ANY ROTATION OF SAID SHAFT IN SAID OPPOSITE DIRECTION, AND (D) MEANS FOR CONTINUALLY ROTATING SAID CRANK ARM ALTERNATELY IN OPPOSITE DIRECTIONS ABOUT THE ROTATIONAL AXIS OF SAID SHAFT.