Fully self-contained disposable cartridge for inked ribbons and

Details Fully self-contained disposable cartridge for inked ribbons and Fully self-contained disposable cartridge for inked ribbons and

1980-06-09

1983-09-20

Wright, Jr., Ernest T.

Typewriting machines

Including interposed inking device for record-medium

Endless ribbon or cartridge therefor

400195, B41J 3310

Patent

active

044052472

ABSTRACT:
A lightweight, inexpensive and yet highly reliable, fully self-contained cartridge for inked ribbons having a drive assembly which "stuffs" the inked ribbon into the ribbon storage region in a full-fan-fold fashion. The storage region is substantially U-shaped and the size of the storage region, coupled with the full-fan-fold configuration of the ribbon provides a significant increased ribbon packing density. The U-shaped storage region substantially surrounds and embraces the print head, making efficient use of the central region of the cartridge.
The outfeed end of the ribbon storage region is provided with a pair of posts and terminating projections which are spaced relative to one another so as to accommodate ribbon folds in the spaced regions as the ribbon is being fed to enable the ribbon to be moved across the printing location in a smooth manner.
Drive means are provided to assure that the portion of the ribbon being "stuffed" into the storage region retains the full-fan-fold arrangement.

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IBM Technical Disclosure Bulletin, "Endless Fold Ribbon Cartridge," Gardineer, vol. 15, No. 2, Jul. 1972, p. 543.
IBM Technical Diclosure Bulletin, "Ribbon Cartridge Exit Impedance," Dowd, vol. 20, No. 11B, Apr. 1978, pp. 4739-4740.

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