Typewriting machines – Including interposed inking device for record-medium – Package for ribbon facilitating mounting of ribbon on...
Patent
1989-12-05
1991-01-22
Wiecking, David A.
Typewriting machines
Including interposed inking device for record-medium
Package for ribbon facilitating mounting of ribbon on...
4006931, B41J 3528
Patent
active
049866788
ABSTRACT:
A refillable ink ribbon cartridge for use in an electronic typewriter which includes a housing, a feed spool having a semi-globe member for slidably mounted to and removed from a movable diamond-shaped plate, a winding spool for slidably inserting into and removed from the diamond-shaped plate, and a jagged wheel, whereby the used ink ribbon cartridge can be reused and maintains a constant tension on an ink ribbon between the feed and winding spool.
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patent: 4720202 (1988-01-01), Kawakami
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patent: 4854755 (1989-08-01), Lange et al.
Xerox Technical Disclosure Bulletin, "Ribbon Advance Mechanism" P. Mikes, vol. 2, No. 4, Jul./Aug. 1977; p. 77.
Keating Joseph R.
Wiecking David A.
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