Typewriting machines – Including interposed inking device for record-medium – Package for ribbon facilitating mounting of ribbon on...
Patent
1988-02-29
1989-12-12
Wright, Jr., Ernest T.
Typewriting machines
Including interposed inking device for record-medium
Package for ribbon facilitating mounting of ribbon on...
400232, 4006971, B41J 3200
Patent
active
048863831
ABSTRACT:
A tape cassette has a sensing arm pivotally mounted therein biased against a correction tape on a take-up spool for sensing the amount of correction tape thereon. A correction tape feed mechanism mounted in a typewriter has a metering post for engaging the sensing arm at varying locations to cause the correction tape feed mechanism to feed the correction tape at substantially equal amounts regardless of the amount of correction tape on the take-up spool.
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patent: 3677486 (1972-07-01), Findlay
patent: 3923141 (1975-12-01), Henglehaupt
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patent: 4475829 (1984-10-01), Goff, Jr. et al.
patent: 4616945 (1986-10-01), Komplin
IBM Technical Disclosure Bulletin, "Low Cost Cartridge Code Detector", Craft, vol. 25, No. 4, Sep. 1982, pp. 1980 and 1981.
Smith Corona Corporation
Wright, Jr. Ernest T.
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