Bar code printing mechanism

Details Bar code printing mechanism Bar code printing mechanism

B - Operations, Transporting

41

L

101/92

B41L 15/06 (2006.01) B07C 3/18 (2006.01) B41J 7/04 (2006.01) B41J 23/02 (2006.01) B41L 47/48 (2006.01) F41J 7/04 (2006.01)

Patent

CA 1127452

R. Alas-1 BAR CODE PRINTING MECHANISM ABSTRACT OF THE DISCLOSURE: A mechanism using a stepping motor as the prime mover for a bar code printing head or hammer mounted on the end of a pivotal lever. Where the output code (such as the postal code used in the U.S.) requires a full bar as one binary indication and a half bar the other binary indication, two motors each with its own printing head are used. The heads are spaced apart longitudinally relative to an object to be printed. A full bar is made up of two half bars, thus, both motors must be energized at separated time intervals to cause both heads to strike in a single transverse alignment to print a full bar. The lever supporting the printing head is constructed to position its center of percussion essentially in alignment with the printing hammer to minimize wear on the motor shaft. -1-

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