Tension generating mechanism for a printing apparatus

Details Tension generating mechanism for a printing apparatus Tension generating mechanism for a printing apparatus

2005-11-29

2005-11-29

Hirshfeld, Andrew H. (Department: 2854)

Typewriting machines

Sheet or web

For feeding web record-medium

C400S641000, C400S611000, C400S621000, C226S004000, C226S042000, C226S185000

Reexamination Certificate

active

06969206

ABSTRACT:
A printing apparatus includes a conveyance mechanism for conveying a web to a transfer unit, and a tension generating mechanism for applying a tension to the web fed to the conveyance mechanism, wherein the tension generating mechanism includes a tension generating roller for changing the tension to be applied to the web in accordance with the rotational position, a tension guide that is rotated in accordance with the magnitude of tension generated by the roller, a first sensor for sensing the rotational position of the tension guide, a second sensor for sensing the rotational position of the tension generating roller, and a driver for controlling the rotation of the motor in accordance with the outputs of the first and second sensors.

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