Apparatus for preventing the rise of an ink ribbon

Details Apparatus for preventing the rise of an ink ribbon Apparatus for preventing the rise of an ink ribbon

1984-03-09

1986-10-14

Wright, Jr., Ernest T.

Typewriting machines

Including interposed inking device for record-medium

Means auxiliary to ribbon mechanism

400248, 101 9305, 101336, B41J 3526

Patent

active

046169431

ABSTRACT:
An auxiliary ribbon separator for use on a dot-line printer is positioned to prevent vertical ribbon displacement in the presence of upward forces such as caused by perforations on continuous feed paper. The auxiliary separator is located so that the ribbon is guided past an end of a front yoke. The front yoke serves as a course ribbon guide and is a component of the electro-magnetic assembly of the print head associated with the printer. The auxiliary separator may be shaped so as to facilitate loading of the ribbon in the printer.

REFERENCES:
patent: 3874285 (1975-04-01), Kodaira et al.
patent: 4033255 (1977-07-01), Kleist et al.
patent: 4285604 (1981-08-01), Rex
patent: 4311401 (1982-01-01), Hiki et al.
patent: 4325645 (1982-04-01), Miyajima et al.
patent: 4387642 (1983-06-01), Bringhurst et al.
patent: 4437401 (1984-03-01), Heinrich et al.
IBM Technical Disclosure Bulletin, "Ribbon Retainer", Bonafino et al, vol. 19, No. 2, Jul. 1976, p. 439.

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