Tension balancer device for ink ribbon

Details Tension balancer device for ink ribbon Tension balancer device for ink ribbon

1993-04-19

1994-08-30

Eickholt, Eugene H.

Typewriting machines

Typing by other than type-face or type-die

Thermal

346 76PH, 400234, B41J 302

Patent

active

053421310

ABSTRACT:
A tension balancer is disclosed for an ink ribbon adapted for a printer for thermally transferring an image onto the printing paper while moving the ink ribbon together with the printing paper, the printer including: a platen for moving a piece of printing paper wound around the platen; and a thermal head for pressingly contacting the ink ribbon, interposed between a supply reel and a take-up reel, against the printing paper on an outer circumference of the platen. The tension balancer contacts at its end face with the ink ribbon over a full width of the ink ribbon for applying tension to the ink ribbon. The tension balancer is substantially in the form of a plate. At least one projection may be provided on the end face of the tension balancer.

REFERENCES:
patent: 4621270 (1986-11-01), Mizutani et al.
patent: 4750007 (1988-06-01), Suzuki
patent: 5128763 (1992-07-01), Sakuragi
patent: 5209587 (1993-05-01), Herbert et al.
"Uniform Ribbon Tension for Impact Printer Ribbon" Xerox Disclosure Journal, vol. A, No. 2, Mar. 4, 1979 pp. 181-182.

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