Ribbon cassette assembly

Details Ribbon cassette assembly Ribbon cassette assembly

1984-01-24

1985-06-04

Burr, Edgar S.

Typewriting machines

Including interposed inking device for record-medium

Package for ribbon facilitating mounting of ribbon on...

400234, B41J 3528

Patent

active

045211256

ABSTRACT:
There is disclosed a braking assembly for a ribbon supply spool including an inked ribbon and formed of a planar V-shaped plastic device disposed on a shaft member receiving the ribbon supply spool and comprised of a ring-shaped portion including a tooth member and extend leg portions wherein one leg portion is formed with pin member for coursing the ribbon and wherein a portion of the ring-shaped portion opposite the leg portions is formed of reduced cross-sectional area and wherein the tooth member cooperates with a serrated surface. In a preferred embodiment, the area of reduced cross-section is disposed in a line bisecting an angle formed by the extended leg portions.

REFERENCES:
patent: 4272201 (1981-06-01), Steger
patent: 4347008 (1982-08-01), Jagodzinski et al.
patent: 4350453 (1982-09-01), Field et al.
patent: 4350454 (1982-09-01), Schoenlein
patent: 4373824 (1983-02-01), Olsen
patent: 4388006 (1983-06-01), Waibel

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