Ink ribbon cassette

Details Ink ribbon cassette Ink ribbon cassette

1994-07-18

1995-12-05

Yan, Ren

Typewriting machines

Including interposed inking device for record-medium

Endless ribbon or cartridge therefor

4002351, B41J 3310

Patent

active

054722861

ABSTRACT:
One of a ribbon feed roller (32) and a pressure roller (34) for making an endless ink ribbon (30) run is displaceable relative to the other roller thereof for facilitation of replacement of the ink ribbon, and can be locked at a withdrawn position thereof. In a state where one roller is locked at the withdrawn position, mounting of the ink ribbon cassette on a printer is obstructed. Also, a running direction and an orientation of the endless ink ribbon are defined so that damage to the bonded portion of the endless ink ribbon is delayed as much as possible.

REFERENCES:
patent: 4213715 (1980-07-01), Haftmann et al.
patent: 4273453 (1981-06-01), Haftmann
patent: 4293234 (1981-10-01), Yonkers et al.
patent: 4397574 (1983-08-01), Wojdyla
patent: 4614448 (1986-09-01), Suzaki et al.
patent: 4900170 (1990-02-01), Beck et al.
patent: 4988224 (1991-01-01), Furrow et al.
patent: 5209586 (1993-05-01), Furrow et al.

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