B - Operations – Transporting – 41 – J
Patent
B - Operations, Transporting
41
J
101/96.05
B41J 2/265 (2006.01) B41J 2/235 (2006.01)
Patent
CA 1199221
STACKABLE DOT MATRIX PRINTING CARTRIDGE MODULES Abstract of the Disclosure A high degree of flexibility and speed in dot matrix printing are achieved by providing printing cartridge modules that are so thin, a number can be stacked together and run simultaneously. Depending on the array used, several lines can be printed at the same time (Fig. 3), or a single line can be developed from a standard dot matrix character 20 into a fully formed character 26. In one embodiment (Fig. 5), the print wires 32 are formed into a linear array parallel to the flat side of the cartridge module 28, and the modules are stacked vertically with respect to the print medium (Fig. 2). This embodiment is preferred for overlay printing 26. In a second embodiment (Fig. 8), the print wires 38 are formed into a linear array perpendicular to the flat side of the cartridge module 36, and the modules are stacked horizontally with respect to the print medium (Fig. 3). This embodiment is preferred for multiple line printing, and has the additional advantage of being sufficiently flat to fit within the upper and lower planes of a ribbon cartridge 46. Both embodiments utilize the M-cell electromagnet actuator (Fig. 4) described in U.S. Patent No. 4,134,691 and No. 4,218,148. While the mounting of the actuators and means for guiding the print wires differs considerably in the two embodiments, in all the cases the individual armature 60 mounting 62,64 and armature-print wire movement are in a single plane, and the ankle 8 between the print-wire axis and the armatures is less than 10°.
426051
Baudex Corporation
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
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