Ribbon guiding and directing structure and cartridge

Details Ribbon guiding and directing structure and cartridge Ribbon guiding and directing structure and cartridge

1982-09-24

1984-12-04

Wright, Jr., Ernest T.

Typewriting machines

Including interposed inking device for record-medium

Package for ribbon facilitating mounting of ribbon on...

400228, 400248, B41J 3200

Patent

active

044861079

ABSTRACT:
A frame-supported disposable ribbon supply and take-up cartridge for typewriters and printers of the type employing a carriage-transported printing device is equipped with a constant path length ribbon guiding and directing structure which can be collapsed and folded for compact packaging and which can also be factory pre-threaded to eliminate any need for the operator to fit a ribbon leader around any guides on the print carriage. One form of the invention uses twin one-way articulated ribbon guides which are connected by a ribbon directing bar and are each orthogonally pivoted to the sides of the cartridge for collapsing, rotating, and folding against the sides of the cartridge. The other form uses a single two-way articulated ribbon-guiding structure pivoted to the cartridge and having a second articulated structure, all of which can be folded against the sides of the cartridge.

REFERENCES:
patent: 2074778 (1937-03-01), Decker
patent: 4047607 (1977-09-01), Willcox
patent: 4047608 (1977-09-01), Willcox
patent: 4203676 (1980-05-01), Hatsell
patent: 4277187 (1981-07-01), Rello
patent: 4284364 (1981-08-01), Rello
patent: 4339211 (1982-07-01), Alexander et al.

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