Reloadable endless ribbon cassette

Details Reloadable endless ribbon cassette Reloadable endless ribbon cassette

1985-01-22

1990-02-13

Wright, Jr., Ernest T.

Typewriting machines

Including interposed inking device for record-medium

Endless ribbon or cartridge therefor

4001961, 400234, 4002351, 400208, B41J 3202

Patent

active

049001701

ABSTRACT:
A ribbon cassette having a casing with a releasable cover, includes a pulley mounted for rotation in the casing, key-means project beyond the casing of the cassette for engagement with an external drive, a pressure roller is rotatably mounted in the case, a slide movably mounts the pressure roller to obtain a first position of engagement with the pulley and a second retracted position, a projection on the slide is externally accessible through an opening in the casing for shifting the slide from the first to the second position and vice versa; an additional projection on said slide runs in another opening in the casing for guiding movement of the slide along a long wall of the cassette casing; a brake is also disposed in the cassette which holds a removable endless ink ribbon that is insertible and inserted in the casing and fills the casing essentially in its entirety, the ribbon runs through a gap between the pulley and the pressure roller on one hand and the brake on the other.

REFERENCES:
patent: 4113750 (1978-09-01), Isobe
patent: 4213715 (1980-07-01), Haftmann et al.
patent: 4240757 (1980-12-01), Hanna
patent: 4273453 (1981-06-01), Haftmann
patent: 4325645 (1982-04-01), Miyajima et al.
patent: 4367963 (1983-01-01), Daughters
patent: 4397574 (1983-08-01), Wojdyla
patent: 4451165 (1984-05-01), Fudatsuji et al.
patent: 4526487 (1985-07-01), Ikeda

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