Ribbon cassette with coaxial spools on common shaft with partiti

Details Ribbon cassette with coaxial spools on common shaft with partiti Ribbon cassette with coaxial spools on common shaft with partiti

1999-04-05

2000-06-06

Hilten, John S.

Typewriting machines

Including interposed inking device for record-medium

Package for ribbon facilitating mounting of ribbon on...

2423451, 24261521, 4002063, B41J 3528

Patent

active

060710268

ABSTRACT:
A compact ribbon cassette for dispensing and storing a ribbon or tape. The supply and take-up rolls of ribbon or tape are disposed upon a common rotatable shaft mounted for rotation within the housing. A unique chevron disposed adjacent the take-up roll and on the post-printing portion of the cassette causes the dispensed ribbon to change level and reverse direction and be presented for storage upon the take-up roll. A partitioning plate in the ribbon cassette separates the supply roll from the take-up region of the cassette. Ink particles are thereby prevented from migrating from the post-printing, take-up region of the cassette to the pre-printing, supply region thereof.

REFERENCES:
patent: 3804227 (1974-04-01), Cappotto et al.
patent: 4413919 (1983-11-01), Applegate et al.
patent: 4467976 (1984-08-01), Bogaczyk et al.
patent: 4650351 (1987-03-01), Engle et al.
patent: 4668961 (1987-05-01), Hiramatsu
patent: 5152621 (1992-10-01), Tsuji
patent: 5529409 (1996-06-01), Graverholt et al.

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