Ribbon roll drive

Details Ribbon roll drive Ribbon roll drive

1992-09-14

1994-07-05

Burr, Edgar S.

Typewriting machines

Including interposed inking device for record-medium

Ribbon-feeding mechanism

400234, 400249, B41J 3314

Patent

active

053261828

ABSTRACT:
A motor and drive mechanism having a drive hub which positively locks to a core for a ribbon roll, and a drag hub which also positively locks to a core for a ribbon roll. A ribbon roll has a core formed of concentric cylindrical shells separated from one another with a ribbon wound about the outer shell and one or more coding marks are provided on this shell to indicate both the printer control system and, to a visual observer, information specific to the ribbon.

REFERENCES:
patent: 4626718 (1986-12-01), Moriyama
patent: 4798490 (1989-01-01), Watanabe
patent: 4886385 (1989-12-01), Cappotto
patent: 5062722 (1991-11-01), Shiozaki et al.
patent: 5087137 (1992-02-01), Burnard et al.

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