Ribbon cartridge

Details Ribbon cartridge Ribbon cartridge

1980-07-03

1982-03-02

Sewell, Paul T.

Typewriting machines

Including interposed inking device for record-medium

Package for ribbon facilitating mounting of ribbon on...

400196, B41J 2538

Patent

active

043176364

ABSTRACT:
An improved ribbon cartridge for use in impact printers, typewriters or the like, in which inked ribbon upon a supply spool and a take-up spool are enclosed within a housing with the center of each spool being supported for rotation and for floating movement along its own guide path. A guide capstan having a fixed center is also located within the housing. The supply spool is mounted upon a torsion arm for movement in an arcuate path and is urged toward and against the take-up spool which itself is constrained to move in a straight line between the takeup spool and the fixed center drive capstan. When the capstan is rotated by an external drive, it rotates the take-up spool in order to wind the inked ribbon thereupon while simultaneously unwinding ribbon from the supply spool.

REFERENCES:
patent: 3386676 (1968-06-01), Sotani et al.
patent: 3528626 (1970-09-01), Bumb
patent: 3643779 (1972-02-01), Anderson et al.
patent: 3731781 (1973-05-01), Caudill et al.
patent: 4010839 (1977-03-01), Guerrini et al.
patent: 4034935 (1977-07-01), Plaza et al.
patent: 4047608 (1977-09-01), Willcox
patent: 4123789 (1978-10-01), Shatavsky
patent: 4272202 (1981-06-01), Schroeder et al.

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