Typewriting machines – Including interposed inking device for record-medium – Endless ribbon or cartridge therefor
Patent
1979-04-02
1981-12-08
Bashore, S. Leon
Typewriting machines
Including interposed inking device for record-medium
Endless ribbon or cartridge therefor
400202, 400248, B41J 3202, B41J 2710
Patent
active
043044964
ABSTRACT:
A printing ribbon guiding and re-inking means is positioned to guide a continuous looped printing ribbon through a 180.degree. twist between the exit and entry points of a ribbon cartridge. The guiding and re-inking means includes a twist-locator or arrestor comprising a pair of opposing elongated flanges, for passing a ribbon therebetween, positioned between the exit and entry points of the ribbon cartridge to positively locate the twist in the ribbon in a particular area along its path of travel. This prevents movement of the twist into other areas and other ribbon-carrying mechanisms, where the twist could cause jamming or undesirable ribbon twisting. A spool support means integrally coupled to the flanges carries a re-inking spool which both applies ink to the ribbon and guides the ribbon between the flanges and the cartridge. The spool orients the transverse position of the ribbon to be substantially the same as the transverse position of the ribbon at the entry to the cartridge. The opposing flanges orient the ribbon so it is rotated 90.degree. in a direction transverse to movement with respect to the orientation of the ribbon at the entry to the cartridge.
REFERENCES:
patent: 2475336 (1949-07-01), Petz
patent: 3758012 (1973-09-01), Bunner et al.
patent: 3897866 (1975-08-01), Mueller
patent: 3904018 (1975-09-01), Denley
Alvo Steve
Bashore S. Leon
Sycor, Inc.
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