Ribbon cassette and protector

Details Ribbon cassette and protector Ribbon cassette and protector

1990-08-10

1991-12-10

Burr, Edgar S.

Typewriting machines

Including interposed inking device for record-medium

Package for ribbon facilitating mounting of ribbon on...

400247, B41J 3528, B41J 3526

Patent

active

050712721

ABSTRACT:
A ribbon cassette has a rectangular clip and a mushroom clip on its guide arms for detachably mounting a ribbon protector which has a rectangular slot that attaches to the rectangular clip and allows some lateral and back and forth movement of the ribbon protector, and has a starburst hole with leaves that attach to the mushroom clip for detachably holding the ribbon protector on the cassette and for positioning a central print hole in the protector in a central space between the ribbon guide arms of the cassette.

REFERENCES:
patent: 4383775 (1983-05-01), Trammell et al.
patent: 4408912 (1983-10-01), Yonkers
patent: 4422785 (1983-12-01), Shore
patent: 4496256 (1985-11-01), McMorrow et al.
patent: 4676681 (1987-06-01), Kilkuchi et al.
patent: 4856923 (1989-08-01), Smith
patent: 4904098 (1990-02-01), Hamilton
IBM Technical Disclosure Bulletin, vol. 16, No. 3, Aug. 1973.

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