Clutch mechanism with one piece plastic spool

Details Clutch mechanism with one piece plastic spool Clutch mechanism with one piece plastic spool

2005-06-14

2005-06-14

Hirshfeld, Andrew H. (Department: 2854)

Typewriting machines

Including interposed inking device for record-medium

Ribbon spool or mount therefor

C400S208100, C400S236000, C400S236100

Reexamination Certificate

active

06905268

ABSTRACT:
An ink ribbon cartridge has a take-up spool (130) with an opening having a plurality of drive surfaces (200) and slip surfaces (202). The take up spool is preferably of a one-piece construction. A first spindle with a cantilever member (196) and a tab (198) extending therefrom is mounted on the take-up spool. When the drive surface engages a tab of the spindle, rotation of the spindle rotates the take-up spool. When one of the slip surfaces engages the tab of the spindle, the spindle rotates relative to the take-up spool.

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