Ink ribbon unit and ink ribbon cassette

Details Ink ribbon unit and ink ribbon cassette Ink ribbon unit and ink ribbon cassette

1993-02-03

1994-03-01

Burr, Edgar S.

Typewriting machines

Including interposed inking device for record-medium

Package for ribbon facilitating mounting of ribbon on...

400249, 400703, B41J 3528

Patent

active

052901149

ABSTRACT:
An ink ribbon unit and an ink ribbon cassette for use in printers of thermally sublimate ink transferal type are described. The cassette comprises a casing and the ink ribbon unit installed in the casing. The ink ribbon unit comprises an ink film, a spool around which the ink film is wound, a coaxial shaft portion possessed by the spool, a ring rotatably disposed about the coaxial shaft portion of the spool, and a mark representing information on the ink film. The mark is applied to the ring to rotate therewith. Another mark similar to the above-mentioned mark is attached to the casing.

REFERENCES:
patent: 3384216 (1968-05-01), Thayer
patent: 4218151 (1980-08-01), Kondur, Jr.
patent: 4910533 (1990-03-01), Sasaki et al.
patent: 4970531 (1990-11-01), Shimizu et al.
patent: 5037218 (1991-08-01), Shimizu et al.
patent: 5079565 (1992-01-01), Shimizu et al.
patent: 5087137 (1992-02-01), Branard et al.

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