Ribbon shifting device for printers

Details Ribbon shifting device for printers Ribbon shifting device for printers

1987-03-11

1991-11-26

Wiecking, David A.

Typewriting machines

Including interposed inking device for record-medium

Including mechanism for shifting ribbon laterally at...

400216, B41J 3514

Patent

active

050678337

ABSTRACT:
A mono color ink ribbon is held by a pivotable ribbon holder in front of a print head being moved along the platen, and the ribbon holder rides on a rail which has a raised center or central portion and lower ends, so that on a pass by the print head from one end to the other, the ribbon holder is moved up and down over a full cycle. This way, full use is made of the ribbon which is run in a Moebius loop in a cartridge.

REFERENCES:
patent: 677111 (1901-06-01), Brooks
patent: 2312314 (1943-03-01), Bordonaro
patent: 4090600 (1978-05-01), Biedermann
patent: 4132486 (1979-01-01), Kwan
patent: 4279522 (1981-07-01), Yonkers
patent: 4297043 (1981-10-01), Dargatz
patent: 4452542 (1984-06-01), Akazawa
patent: 4580917 (1986-04-01), Hibino

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