Ink ribbon cassette

Details Ink ribbon cassette Ink ribbon cassette

1995-04-27

1997-01-28

Burr, Edgar S.

Typewriting machines

Including interposed inking device for record-medium

Package for ribbon facilitating mounting of ribbon on...

400208, B41J 3528

Patent

active

055972489

ABSTRACT:
An ink ribbon cassette is provided for feeding and driving an ink ribbon in a printer or the like. The cassette includes a housing, a take-up core rotatably supported in the housing with the front end of the ink ribbon being coupled thereto and a take-off core rotatably supported in the housing. An ink spool is wound up on the take-off core, where the ink spool includes an outer periphery. A brake assembly is provided and includes a conical plate where the outer periphery of the ink spool rests on the conical plate, thereby decreasing the braking torque as the spool diameter decreases.

REFERENCES:
patent: 4010839 (1977-03-01), Guerrini et al.
patent: 4210296 (1980-07-01), Frechette
patent: 4413919 (1983-11-01), Applegate et al.
patent: 4798490 (1989-01-01), Watanabe
patent: 4990008 (1991-02-01), Hwang
patent: 5399035 (1995-03-01), Nakae
patent: 5433540 (1995-07-01), Alday
patent: 5455617 (1995-10-01), Stephenson et al.

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