Inked ribbon cartridge with a ribbon inking element

Details Inked ribbon cartridge with a ribbon inking element Inked ribbon cartridge with a ribbon inking element

1995-04-26

1997-02-25

Burr, Edgar S.

Typewriting machines

Including interposed inking device for record-medium

Moved by continuously rotating power drive intermittently...

400197, B41J 3334

Patent

active

056054025

ABSTRACT:
This invention relates to a cartridge 11 for a printing ribbon 13 comprising a container 12 which houses an inked ribbon 12, a ribbon feeding roller 18 and a ribbon inking element 14. The inking element 14 is selectively actuated from a rest condition in which, during the cartridge utilization initial phase, the inking element does not supply the ribbon 13 with ink, to a work condition in which the inking element 14 supplies the ribbon with ink. A reducing unit 34 and a cam 33,42 are provided for automatically actuating the inking element 14 and guide it from the rest to the work condition, when a predetermined number of turns is reached by the feeding roller 18 for advancing the ribbon.

REFERENCES:
patent: 4175877 (1979-11-01), Randolph
patent: 4636097 (1987-01-01), Groubeaux
patent: 4913571 (1990-04-01), Bulson et al.
patent: 5215012 (1993-06-01), Kanno et al.

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