Ribbon re-inking mechanism

Details Ribbon re-inking mechanism Ribbon re-inking mechanism

1992-07-29

1994-01-04

Burr, Edgar S.

Typewriting machines

Including interposed inking device for record-medium

Renovation of used ribbon

400191, B41J 3114

Patent

active

052754952

ABSTRACT:
A re-inker mechanism is described for replenishing ink in a ribbon by increasing the contact force between an ink supply roller and a transfer roller as the weight of the ink supply roller decreases. This is accomplished by locating the transfer roller rotatably in a fixed position and locating the ink supply roller somewhat beneath the transfer roller on a support that is movable. A biasing force is attached to the ink supply roller to urge the ink supply roller against the transfer roller with a force sufficient to overcome the weight of the ink supply roller and to provide a predetermined contact force between the ink supply roller and the transfer roller, so that as the ink is used, the weight of the ink supply roller decreases and the contact force with the transfer roller increases.

REFERENCES:
patent: 2922506 (1960-01-01), Weller
patent: 4247209 (1981-01-01), Carlson et al.
patent: 4536098 (1985-08-01), Sheehan et al.
patent: 4616942 (1986-10-01), Nagasawa et al.
patent: 4913571 (1990-04-01), Bulson et al.

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