Ribbon cartridge for typewriters or similar office machines

Details Ribbon cartridge for typewriters or similar office machines Ribbon cartridge for typewriters or similar office machines

1987-03-25

1989-08-22

Pearson, Charles

Typewriting machines

Including interposed inking device for record-medium

Package for ribbon facilitating mounting of ribbon on...

4006931, B41J 3200

Patent

active

048590975

ABSTRACT:
A ribbon cartridge is disclosed for typewriters and similar office machines which require frequent changes of the ribbon. The ribbon cartridge includes a tub-shaped base and cover and an integral sealing member by means of which the openings in the ribbon cartridge can be hermetically sealed for shipping and storage and which is easily removable prior to insertion in the holding device of the office machine.

REFERENCES:
patent: 2873014 (1959-02-01), Lambert
patent: 3151723 (1964-10-01), Wendt
patent: 3228582 (1966-01-01), Osberg
patent: 3612774 (1971-10-01), Wiklund
patent: 3877561 (1975-04-01), Guerrini et al.
patent: 4010839 (1977-03-01), Guerrini et al.
patent: 4349166 (1982-09-01), Tanaka et al.
IBM Technical Disclosure Bulletin, vol. 25, No. 4, Sep. 1982, pp. 1944-1945, "Protective Carton", by Dunning et al.

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