Skew preventer for a film belt

Details Skew preventer for a film belt Skew preventer for a film belt

1992-11-13

1994-01-04

Fuller, Benjamin R.

Recorders

Thermal recording

400579, 400619, 226 15, 226 17, 226 21, 226 23, B41J 3508

Patent

active

052764605

ABSTRACT:
A thermal printer of the type applying ink to an endless film belt, selectively melting the ink by a thermal head in response to an image signal, and transferring the melted ink to a recording medium to print an image on the medium. An idler guides the film belt while applying a predetermined tension thereto. A tension adjusting mechanism moves the end of the idler toward which the belt has skewed in the running direction of the belt. The idler and tension adjusting mechanism effectively reduce the local increase in the tension of the film belt.

REFERENCES:
patent: 4174171 (1979-11-01), Hamaker et al.
patent: 4835567 (1989-05-01), Okushi et al.
patent: 4901903 (1990-02-01), Blanding

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