Front feed apparatus for bookkeeping machines

Claim 1

IN A BOOKKEEPING MACHINE, MEANS DEFINING A PATH OF TRAVEL FOR A RECORD SHEET, A PLATEN MOUNTED ALONG SAID PATH OF TRAVEL, SAID PLATEN NORMALLY IN AN OPEN POSITION TO RECEIVE A RECORD SHEET AND MOVABLE TO A CLOSED PRINTING POSITION, MEANS OPERABLE TO MOVE SAID PLATEN TO CLOSED POSITION, A NORMALLY OPERATING SHEET FEED MEANS TO FEED A RECORD SHEET ALONG SAID PATH OF TRAVEL AND INCLUDING A DRIVING ROLL AND A PRESSURE ROLL BODILY MOVABLE FROM ENGAGEMENT WITH THE DRIVING ROLL TO RELEASE A SHEET, FIRST CONTROL MEANS OPERATIVELY CONNECTED TO SAID FEED MEANS, SAID FIRST CONTROL MEANS OPERABLE TO STOP SAID FEED MEANS, A CONTROL MEANS OPERATOR OPERATIVELY CONNECTED TO SAID FIRST CONTROL MEANS, SAID OPERATOR NORMALLY RETRACTED AND MOVABLE TO AN EFFECTIVE POSITION FOR ENGAGEMENT AND ACTUATION BY AN EDGE OF A PERFORATION IN A SHEET FED ALONG THE PATH OF TRAVEL, SAID OPERATOR POSITIONED ANTERIORLY TO SAID PLATEN WITH RESPECT TO THE DIRECTION OF SHEET TRAVEL AND PIVOTABLE BY AN EDGE OF A SHEET PERFORATION TO ACTIVATE SAID FIRST CONTROL MEANS, A SECOND CONTROL MEANS TO CONTROL MOVEMENT OF SAID CONTROL MEANS OPERATOR TO EFFECTIVE POSITION, A SECOND OPERATOR CONTROLLING SAID SECOND CONTROL MEANS, A PERFORATOR MOUNTED ALONG SAID PATH OF SHEET TRAVEL POSTERIORLY TO SAID CONTROL MEANS OPERATOR AND OPERABLE UNDER THE CONTROL OF SAID PLATEN CLOSING MEANS FOR MARKING THE NEXT LINE PRINT ON THE SHEET, AND MEANS OPERATED BY SAID PLATEN CLOSING MEANS AND OPERABLY TO DISPLACE SAID PRESSURE ROLL FROM SAID DRIVING ROLL OF SAID FEED MEANS.