Ribbon correction unit for printers

Details Ribbon correction unit for printers Ribbon correction unit for printers

1985-01-28

1986-05-27

Pieprz, William

Typewriting machines

Including interposed inking device for record-medium

Means auxiliary to ribbon mechanism

4002483, 4002242, 226 21, B41J 3504

Patent

active

045912831

ABSTRACT:
For compensating for the lateral displacement of the ribbon (4) during the print operation in impact printers with revolving type carriers (9), an inclined pivotable roller (1) is used which is taken along by contacting the moving ribbon. This roller has a pivot (10) with a free end pivotable between two stops (11,12). If there is no lateral ribbon displacement to be compensated for, the pivotable roller is arrested in its respective current position and thus prevented from rotating. In the event of a ribbon displacement (LS), the pivotable roller rotating about its axis exerts a force component (LO) on the ribbon, counteracting the lateral displacement (LS).

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patent: 4155496 (1979-05-01), Houck
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patent: 4344693 (1982-08-01), Hamaker
DeRee et al., "Paper Straightener and Guide" Western Electric Digest, No. 47, p. 5.
Barna "Tape Tracking Guide" IBM Technical Disclosure Bulletin, vol. 11, No. 6, p. 649 11/68.

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