Typewriting machines – Including interposed inking device for record-medium – Package for ribbon facilitating mounting of ribbon on...
Patent
1987-11-30
1990-02-13
Wright, Jr., Ernest T.
Typewriting machines
Including interposed inking device for record-medium
Package for ribbon facilitating mounting of ribbon on...
400 54, 400249, 400696, 4006971, B41J 3200
Patent
active
049001710
ABSTRACT:
A means for assuring ink ribbon and correction tape compatibility in a device which utilizes a first cassette having an ink ribbon therein and second cassette having a correction tape therein including a switch means in the device that controls the on-off condition of the device, and means located on one of the cassettes which will activate the on-off switch only when the device contains an ink ribbon in the first cassette which is functionally compatible with the correction tape in the second cassette, such as, for example, functional compatibility between a single-strike ink ribbon and a lift-off correction tape, or functional compatibility between a multiple-strike ink ribbon and a cover-up correction tape.
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Cappotto Samuel D.
Mueller Hans W.
Smith Corona Corporation
Wright, Jr. Ernest T.
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