Inked ribbon core

Typewriting machines – Including interposed inking device for record-medium – Ribbon spool or mount therefor

Reexamination Certificate

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C242S597600, C242S611200

Reexamination Certificate

active

06923582

ABSTRACT:
An inked ribbon core has an internal collar and a longitudinal rib which frictionally engage corresponding spindle structures to thereby secure the core in its fully mounted position, as determined by a stop ring.

REFERENCES:
patent: 5833377 (1998-11-01), Keller et al.
patent: 6425551 (2002-07-01), Puckett et al.
patent: 6609677 (2003-08-01), Seybold et al.

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