Typewriting machines – Including interposed inking device for record-medium – Endless ribbon or cartridge therefor
Patent
1989-01-12
1990-08-14
Eickholt, Eugene H.
Typewriting machines
Including interposed inking device for record-medium
Endless ribbon or cartridge therefor
400208, B41J 3200
Patent
active
049482742
ABSTRACT:
An improved ribbon feed mechanism having idler and drive roller assemblies, each of which uses a single roller rotatably mounted on a retainer support featuring stripping portions which strip an inked ribbon off the rollers preventing the ribbon from wrapping around the rollers. The feed mechanism feeds the ribbon inside a cassette, cartridge or other container so that the ribbon may be stacked or folded in loops or folds inside the cartridge or container and used for computer printing, dot matrix printing, typewriter printing, or other printing operations. Each of the drive and idler assemblies uses a single roller attached to a shaft which may be removably and rotatably mounted to a retainer support. The single rollers are made out of foam material. The use of a single rather than multiple rollers for the roller assemblies facilities gripping of the ribbon passing between the rollers which results in increased pulling force needed for long ribbons.
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Eickholt Eugene H.
Sercomp Corporation
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