Ribbon feed mechanism

Details Ribbon feed mechanism Ribbon feed mechanism

1988-02-29

1989-01-10

Evans, Arthur G.

Recorders

Printing, dotting, or punching marker

Ink transfer support or moving means

400234, G01D 1500

Patent

active

047976900

ABSTRACT:
The present invention relates to a ribbon feed mechanism for use in a heat transfer printer. The ribbon feed mechanism includes first, second, and third ribbon feed components fitted on a shaft, a friction plate mounted between the first and second ribbon feed components, a spring mounted between the second and third ribbon feed components, a cylinder which is in contact with the third ribbon feed component at one end thereof, and a ribbon feed presser for pressing the other end of the cylinder toward the third ribbon feed component. The rotational torque is always kept constant, and therefore no unmatching of colors occurs when the mechanism is applied to a printer.

REFERENCES:
patent: 4451834 (1984-05-01), Nakajima et al.
patent: 4468676 (1984-08-01), Nakajima et al.

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