Computer driven printer

Details Computer driven printer Computer driven printer

1998-07-17

2000-03-14

Yan, Ren

Typewriting machines

Sheet or web

For feeding web record-medium

400207, 4002081, 400611, 2425976, 2425994, B41J 1126

Patent

active

060363835

ABSTRACT:
Apparatus for maintaining tension on a ribbon in a printer used for transferring an image, e.g., thermally, from a print head through the ribbon to a print medium. By maintaining ribbon tension and thus keeping the ribbon essentially without wrinkles, print quality is enhanced. This tension maintenance apparatus uses a pair of torqued reel subassemblies with the ribbon extending between and is of particular significance when used in conjunction with a label stock as a printer medium when the printer mechanism bidirectionally moves the label stock to assist removal of labels from its backing. These torqued reel assemblies are sufficiently loaded such that ribbon tension is maintained between these reel assemblies despite this bidirectional movement.

REFERENCES:
patent: 4120139 (1978-10-01), Terasawa et al.
patent: 4998117 (1991-03-01), Shibuya et al.
patent: 5775632 (1998-07-01), Huerta

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