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Class Information
Number: 400/248
Name: Typewriting machines > Including interposed inking device (e.g., ribbon) for record-medium > Means auxiliary to ribbon mechanism (e.g., shield, guide, etc.) > Including guide for ribbon
Description: Subject matter wherein the device is a member for conducting or leading the ribbon* from its place of storage on the typewriter to the print-point* or from the print-point to a place of storage on the typewriter.










Sub-classes under this class:

Class Number Class Name Patents
400/248.3 Including electrical, magnetic, or pneumatic guide means 5
400/248.1 Ribbon guide opening expandable to facilitate ribbon insertion 15


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
4929102 Ribbon protector including electro-conductive elements and platen gap adjustment device incorporating the same May. 29, 1990
4918461 Ink film recording apparatus Apr. 17, 1990
4904096 Printing device Feb. 27, 1990
4904097 Cartridge for a printing ribbon Feb. 27, 1990
4904098 Flexible print ribbon shield Feb. 27, 1990
4893134 Thermal transfer recording apparatus Jan. 9, 1990
4887096 Recording apparatus Dec. 12, 1989
4881831 Printer Nov. 21, 1989
4880323 High-symbol density printer cartridge having a flexible exit arm, gear shield and support spacers Nov. 14, 1989
4875789 Ink ribbon cassette with slidable ribbon guide Oct. 24, 1989
4874262 Printer having pivotable ribbon guide Oct. 17, 1989
4867585 Ribbon cassette with swingable ribbon-guide arms Sep. 19, 1989
4867589 Matrix printer with ink ribbon guide disposed on print head carriage Sep. 19, 1989
4856923 Ribbon shield Aug. 15, 1989
4840504 Printer ribbon cartridge with means for transversely displacing ribbon during advance Jun. 20, 1989
4838718 Printing device Jun. 13, 1989
4832514 Thermal transfer device and tape-ribbon cartridge therefor May. 23, 1989
4830524 Ribbon cartridge May. 16, 1989
4828408 Apparatus for printing an information carrier May. 9, 1989
4820067 Ribbon cartridge Apr. 11, 1989
4820068 Printer having ribbon shift mechanism Apr. 11, 1989
4806033 Ribbon cartridge for printing machines Feb. 21, 1989
4806948 Ribbon separating mechanism for thermal printer Feb. 21, 1989
4798486 Ink ribbon cassette having mounting means, slack preventing means and multiple ribbon shifting means Jan. 17, 1989
4789256 Ribbon cartridge for printing machines Dec. 6, 1988
4784502 Thermal printer Nov. 15, 1988
4776714 Ink ribbon cassette with movable guide rolls Oct. 11, 1988
4773777 Multicolor ribbon shifter with separate cams for the cassette and guide Sep. 27, 1988
4773779 Printer ribbon cartridge with flexible ribbon guides and integral ribbon shield Sep. 27, 1988
4768890 Carbon ribbon transport guide device Sep. 6, 1988
4758105 Ribbon cassette with guide mechanism Jul. 19, 1988
4757760 Wire mask for a dot printer head apparatus Jul. 19, 1988
4753545 Replaceable ribbon cartridge for printers Jun. 28, 1988
4750007 Ink sheet cassette and image recording apparatus using the same Jun. 7, 1988
4739341 Heat sensitive transfer recording apparatus and method Apr. 19, 1988
4739343 Thermal printing system for postage meter mailing machine application Apr. 19, 1988
4733980 Printer Mar. 29, 1988
4732499 Ribbon cartridge for printers Mar. 22, 1988
4728207 Ribbon cartridge with pivotable ribbon guide arms Mar. 1, 1988
4712931 Color printer including a multiple color ink ribbon cartridge and tensioning device Dec. 15, 1987
4712933 Ribbon guide device including a separate, longitudinally shiftable, ribbon guide member Dec. 15, 1987
4710047 Desk-top correction ribbon system Dec. 1, 1987
4707155 Re-inkable ribbon transport system Nov. 17, 1987
4705415 Matrix printer and inker for indefinite length articles Nov. 10, 1987
4695175 Color printer having apparatus for shifting ink ribbon Sep. 22, 1987
4688955 Automatic ribbon positioning serial printer Aug. 25, 1987
4685818 Ribbon fault detection system Aug. 11, 1987
4678353 Tape supply cartridge Jul. 7, 1987
4676680 Printing assembly with coloring system Jun. 30, 1987
4669902 Multitrack ribbon cartridge for printing machines Jun. 2, 1987

1 2 3 4 5










 
 
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