Ribbon feed increment change mechanism and coded ribbon cassette

Details Ribbon feed increment change mechanism and coded ribbon cassette Ribbon feed increment change mechanism and coded ribbon cassette

1982-02-11

1987-05-05

Pearson, Charles A.

Typewriting machines

Including interposed inking device for record-medium

Package for ribbon facilitating mounting of ribbon on...

4002272, 4002361, B41J 3318, B41J 3528

Patent

active

046627669

ABSTRACT:
Mechanism for automatically adjusting the feed increment according to the type of ribbon in a ribbon cassette is characterized by a pawl and feed ratchet and to means operative by coded features on a cassette, when the cassette is mounted, to control the interval of engagement of the pawl and feed ratchet.

REFERENCES:
patent: 1028159 (1912-06-01), Utz
patent: 2062455 (1936-12-01), Henry
patent: 2161856 (1939-06-01), Coxhead
patent: 3346090 (1967-10-01), Goff, Jr. et al.

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