Document misregistration-correcting means

Claim 1

AN APPARATUS FOR CORRECTING THE MISREGISTRATION OF DOCUMENTS FED THERETO, SAID APPARATUS COMPRISING A WHEEL HAVING AN ENDLESS PERIPHERAL SURFACE, MEANS MOUNTING SAID WHEEL FOR ROTATION ABOUT A FIRST AXIS, MEANS OPERATIVELY CONNECTED FOR ROTATABLY DRIVING SAID WHEEL ABOUT SAID AXIS TO MOVE SAID ENDLESS PERIPHERAL SURFACE ABOUT A CLOSED CIRCULAR PATH, A DOCUMENT FEED DECK PROVIDING A DOCUMENT REGISTRATION SURFACE EXTENDING PERPENDICULAR TO A PORTION OF SAID ENDLESS PERIPHERAL SURFACE, A ROLLER, AT LEAST THE RADIALLY OUTER MARGINAL PORTION OF SAID ROLLER BEING FORMED OF A RESILIENT MATERIAL PROVIDING A COEFFICIENT OF FRICTION BETWEEN SAID MATERIAL AND A DOCUMENT GREATER THAN THE COEFFICIENT OF FRICTION BETWEEN A DOCUMENT AND SAID ENDLESS PERIPHERAL SURFACE OF SAID WHEEL, BEARING MEANS SUPPORTING SAID ROLLER FOR ROTATION ABOUT A SECOND AXIS INTERSECTING SAID REGISTRATION SURFACE, SAID ROLLER BEING DISPOSED WITH ITS PERIPHERAL SURFACE ADJACENT THE ENDLESS PERIPHERAL SURFACE OF SAID WHEEL TO PROVIDE AN INTERFERENCE RELATION FOR EACH DOCUMENT WHEN FED BETWEEN SAID TWO PERIPHERAL SURFACES, THE RADIAL DIMENSION OF SAID PERIPHERAL SURFACE OF THE ROLLER VARYING FROM A MAXIMUM AT ONE SIDE EDGE OF SAID PERIPHERAL SURFACE TO A MINIMUM IN THE DIRECTION AWAY FROM SAID REGISTRATION SURFACE WHEREBY THE RADIALLY OUTER MARGINAL PORTION OF SAID ROLLER IS DEFLECTED TOWARD SAID REGISTRATION SURFACE WHILE ENGAGING EACH DOCUMENT BEING FED AND THE LATTER IS YIELDABLY URGED TOWARD SAID REGISTRATION SURFACE.