Inked ribbon device for line printers

Details Inked ribbon device for line printers Inked ribbon device for line printers

1991-12-23

1993-07-20

Burr, Edgar S.

Typewriting machines

Including interposed inking device for record-medium

Ribbon-feeding mechanism

400208, 400248, 400196, B41J 3314

Patent

active

052287890

ABSTRACT:
An adaptation of an inked ribbon cassette to printers of higher printing speed is achieved where a supply spool is used as inked ribbon storage. Furthermore, the problem of an environmentally proper disposal of used inked ribbon cassettes is solved. At least two rotary drivable spool axles (3, 4) are spaced apart from each other on a base plate (1), open toward the upper side and open on the bottom side, where the spool axles (3, 4) are rotary supported on the base plate (1). The inked ribbon reels (2, 5) can be individually attached onto the spool axles (3, 4). A first inked ribbon guide element (7) is coordinated to one spool axle (3, 4). The inked ribbon (6) is guided from a first inked ribbon reel (2) along the first inked ribbon guide element (7) and parallel to the print path (17) and back via a second inked ribbon guide element (8) onto the second inked ribbon reel (5). In each case, a controllable electrical drive motor (9 ) is disposed on each spool axle (3, 4) at the bottom side (1a) of the base plate (1).

REFERENCES:
patent: 4313683 (1982-02-01), Brown et al.
patent: 4402621 (1983-09-01), Abell, Jr. et al.
patent: 4801215 (1989-01-01), Paffhausen et al.
patent: 4826334 (1989-05-01), Surti
patent: 5039237 (1991-07-01), Tanuma et al.
"Soft Sensing End of Ribbon", Research Disclosure, Jun. 1989, No. 302; Kenneth Mason Publications Ltd., England.
Caudill et al., "Disposal of Typewriter Ribbon", IBM Technical Disclosure Bulletin vol. 8 No. 8 Jan. 1966.

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