Alternate ribbon feed mechanism for fabric and carbon ribbon cas

Details Alternate ribbon feed mechanism for fabric and carbon ribbon cas Alternate ribbon feed mechanism for fabric and carbon ribbon cas

1985-06-19

1985-12-31

Wright, Jr., Ernest T.

Typewriting machines

Including interposed inking device for record-medium

Package for ribbon facilitating mounting of ribbon on...

4001442, 400185, 4001961, 400225, 4002272, 400228, 4002351, B41J 3200

Patent

active

045617910

ABSTRACT:
A ribbon feeding mechanism for a typewriter or printer includes a pivotally mounted platform for removably receiving a fabric or carbon ribbon cassette. A manually operable lever carries ribbon feeding components including a toothed wheel for engaging the carbon ribbon takeup unit in the carbon ribbon cassette and a gear for engaging a driven gear of a fabric ribbon cassette. The ribbon feeding components are rotated about a common axis by a cam-driven pawl and rachet mechanism.

REFERENCES:
patent: 3190430 (1965-06-01), McGrath
patent: 3346090 (1967-10-01), Goff, Jr. et al.
patent: 3349887 (1967-10-01), Goff, Jr.
patent: 3513957 (1970-05-01), Ricciardi et al.
patent: 3604549 (1971-09-01), Caudill et al.
patent: 3643779 (1972-02-01), Anderson et al.
patent: 3976185 (1976-08-01), Aebi
patent: 4047607 (1977-09-01), Willcox
patent: 4111293 (1978-09-01), Kockler et al.
patent: 4302118 (1981-11-01), Schaefer
patent: 4329072 (1982-05-01), Kacmarcik
patent: 4339210 (1982-07-01), Craft et al.
patent: 4353657 (1982-10-01), Schaefer
patent: 4397575 (1983-08-01), Aldrich
IBM Technical Disclosure Bulletin, "Variable Pitch Ribbon Feed", Greer, vol. 20, No. 3, Aug. 1977, pp. 1072-1073.

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