Record tape feed mechanism for business machines

Claim 1

IN A PAPER FEED MECHANISM FOR A CALCULATING MACHINE OR THE LIKE, THE COMBINATION OF A PLATEN SHAFT CARRYING A PLATEN THEREON, A PUSH RATCHET WHEEL AND A PULL RATCHET WHEEL SECURED TO THE PLATEN SHAFT, MULTI-TOOTH PUSH AND PULL PAWLS COOPERATING RESPECTIVELY WITH THE RATCHET WHEELS, A MAIN SHAFT ROCKABLE THROUGH FORWARD AND RETURN STROKES, MEANS MECHANICALLY COUPLING THE MAIN SHAFT TO THE PAWLS, SAID MECHANICAL COUPLING MEANS OPERATING THROUGH THE PUSH PAWL AND THE PUSH RATCHET TO ROTATE THE PLATEN THROUGH A PREDETERMINED ANGLE CORRESPONDING TO SEVERAL PRINTING LINE SPACES OF A RECORD TAPE UPON THE FORWARD STROKE OF THE MAIN SHAFT, MEANS INCLUDING THE PULL PAWL AND PULL RATCHET WHEEL TO ROTATE THE PLATEN IN THE OPPOSITE DIRECTION THROUGH AN ANGLE EQUIVALENT TO AT LEAST ONE LINE SPACE FARTHER THAN THE PLATEN IS ROTATED BY THE PUSH PAWL DURING THE RETURN STROKE OF THE MAIN SHAFT, A TOTAL-TAKING KEY, AND MEANS INCLUDING THE KEY, THE PULL PAWL AND PULL RATCHET WHEEL TO ROTATE THE PLATEN IN SAID OPPOSITE DIRECTION THROUGH AN ANGLE EQUIVALENT TO SEVERAL LINES SPACES FARTHER THAN THE PLATEN IS ROTATED BY THE PUSH PAWL, THEREBY TO PROVIDE A SUBSTANTIAL BLANK SPACE ALONG THE LENGTH OF THE RECORD TAPE FOLLOWING THE TAKING OF A TOTAL.