Typewriting machines – Typing by other than type-face or type-die – Character formation by impact
Patent
1978-11-06
1980-03-11
Sewell, Paul T.
Typewriting machines
Typing by other than type-face or type-die
Character formation by impact
101 69, 101 9305, 226 44, 400618, 400621, B41J 310, B41J 1516, B41J 1170
Patent
active
041926188
ABSTRACT:
A matrix printer which is specifically adaptable for printing and the like is characterized by having a stationary print head containing a plurality of print wires which are arranged in a single row extending transversely of the direction of travel of a relatively heavy paper stock. The paper is advanced at a substantially constant rate of speed along the guide path and signals are generated in response to that advancement to activate selected ones of the print wires in the row so as to form dot-like impressions in the paper, line-by-line, as it is advanced past the print head. The density or spacing of the wires coupled with the printing speed is such that designs, alphanumeric characters, together with coded information, may be impressed upon the paper as it is continuously advanced past the print head, the code providing a means of verification of the information printed as well as to signal the end of the printing operation for each ticket. After each ticket is printed, a cutter is activated above the print head to sever the printed portion of the paper from the continuous roll, and an eject mechanism is sequentially activated to direct the severed portion into a discharge area. A loop sensor mechanism is employed in cooperation with a stripper motor to cooperate with the paper advancing means in advancing the paper at a constant rate of speed while minimizing the effects of tension or drag of the paper.
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Blomquist James E.
Kondur, Jr. Nicholas
Rucinski Roland R.
LRC, Inc.
Reilly John E.
Sewell Paul T.
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