Method and apparatus for maintaining ribbon tension

Typewriting machines – Including interposed inking device for record-medium – Ribbon-reversing mechanism

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Details

400234, B41J 3340

Patent

active

059511770

ABSTRACT:
A bidirectional hand held label printer with a novel labeling media and ink ribbon drive mechanism. A delay is introduced in the labeling media and ink ribbon drive mechanism to pretension the ribbon prior to feeding labeling media and ribbon past the print head. When the drive motor reverses direction, the drive roller stalls momentarily while the take up ribbon drive spindle tensions the ribbon in the desired direction.

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