Ribbon stripping mechanism

Details Ribbon stripping mechanism Ribbon stripping mechanism

1978-05-15

1980-07-22

Wright, Jr., Ernest T.

Typewriting machines

Including interposed inking device for record-medium

Endless ribbon or cartridge therefor

4002351, B41J 3310

Patent

active

042137160

ABSTRACT:
The object of the invention is to provide an effective means of circulating inked ribbon by means of friction rollers into and out of a cartridge where it has been stored as a compact mass of ribbon folds. Means must be provided to prevent this mass of ribbon from being damaged or jammed when it leaves the rollers.
This has been accomplished by introducing a movable stripper which does not frictionally engage the ribbon during its passage through friction rollers but which frictionally engages the ribbon after such passage to move the ribbon away from the friction rollers and thereby minimize scuffing and rubbing action between ribbon and friction rollers.

REFERENCES:
patent: 3411686 (1968-11-01), Bender
patent: 3871507 (1975-03-01), Perry et al.
patent: 3989132 (1976-11-01), Carson
patent: 4011933 (1977-03-01), Kern
patent: 4091914 (1978-05-01), Stipanuk
IBM Technical Disclosure Bulletin, "Print Ribbon Stripper," Chenoweth et al., vol. 13, No. 8, Jan. 1971, p. 2235.

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