Ribbon cartridge with pivotable ribbon guide arms

Details Ribbon cartridge with pivotable ribbon guide arms Ribbon cartridge with pivotable ribbon guide arms

1986-08-25

1988-03-01

Pieprz, William

Typewriting machines

Including interposed inking device for record-medium

Means auxiliary to ribbon mechanism

400208, 4002171, 400234, B41J 3200, B41J 3508

Patent

active

047282070

ABSTRACT:
A ribbon cartridge having a pair of movable arms extending outwardly from the body, over which the ribbon passes on its transit from an internal ribbon supply to an internal used ribbon storage. Each of the arms is supported for movement about an oblique axis which moves the active marking portion of the ribbon so that the path traversed by one edge is equal in length to the path traversed by the opposite edge.

REFERENCES:
patent: 2941646 (1960-06-01), D'onofrio et al.
patent: 3900099 (1975-08-01), Hengelhanpt
patent: 4003460 (1977-01-01), Gray et al.
patent: 4397575 (1983-08-01), Aldrich
patent: 4402621 (1983-09-01), Abel, Jr. et al.
patent: 4402622 (1983-09-01), Sugiura
patent: 4423973 (1984-01-01), Theilen
patent: 4645363 (1987-02-01), Andersson
Sendelweck et al., "Ribbon Lift Guide Motion", IBM Technical Disclosure Bulletin, vol. 13, No. 12, pp. 3671, 5-71.

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