Thermal printer with paper and ribbon separator

Details Thermal printer with paper and ribbon separator Thermal printer with paper and ribbon separator

1995-03-22

1997-03-04

Eickholt, Eugene H.

Typewriting machines

Including interposed inking device for record-medium

Means auxiliary to ribbon mechanism

400248, B41J 3332

Patent

active

056072449

ABSTRACT:
A printer using a thermal ribbon to print on paper with a thermal head facing a platen with a ribbon supply core and take-up core with the head between the cores wherein a tension member contacts and biases the ribbon in a direction to give tension and is rotated in a retracted direction by a ribbon feed force against a biasing force by the tension member when the ribbon is fed and a plate spring supported on the tension member gives a rotational load to the supply core and a release member separate from the head contacts the ribbon on the platen side of a tangent line of the platen at the printing position whereby a push-up force of the paper in contact with and supported by the release member prevents lowering of print quality as the push-up force is not applied to the thermal head.

REFERENCES:
patent: 4507666 (1985-03-01), Kondo et al.
patent: 4616943 (1986-10-01), Matsumoto et al.
patent: 4834563 (1989-05-01), Ozawa et al.

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