Refillable ink ribbon cartridge for use in an electronic typewri

Details Refillable ink ribbon cartridge for use in an electronic typewri Refillable ink ribbon cartridge for use in an electronic typewri

1990-01-17

1991-03-12

Wiecking, David A.

Typewriting machines

Including interposed inking device for record-medium

Package for ribbon facilitating mounting of ribbon on...

400242, B41J 3200

Patent

active

049988336

ABSTRACT:
A refillable ink ribbon cartridge for use in an electronic typewriter which includes a housing, a changeable feed spool member having a semi-global member for slidably inserting into and removing from an aperture of a tensible plate supported on the cartridge through one side opening, a winding spool member having a semi-global head engagement for converting into the feed spool member, a spring arm for easily removing the winding spool member from the cartridge through the other side opening of the cartridge, and a plurality of stoppers for easily controlling the tensibility of winding spool spring, and a jagged wheel, whereby the used ink ribbon cartridge can be reused and maintains a constant tension on an ink ribbon between the feed and winding spools.

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