Multi-ribbon cassette and ribbon drive

Details Multi-ribbon cassette and ribbon drive Multi-ribbon cassette and ribbon drive

1975-06-02

1976-12-07

Burr, Edgar S.

Textiles: fiber preparation

197151, B41J 3310, B41J 3304

Patent

active

039957314

ABSTRACT:
A cassette contains a pair of endless printing ribbons on separate spools, each ribbon having an independent drive with a mechanism provided to enable shifting from one drive to the other, thereby permitting selection of one or the other ribbon.

REFERENCES:
patent: 553909 (1896-02-01), Heath et al.
patent: 3311316 (1967-03-01), Williams
patent: 3532204 (1970-10-01), Sasaki
patent: 3695410 (1972-10-01), Kapp
patent: 3726212 (1973-04-01), Combs
patent: 3758012 (1973-09-01), Bonner et al.
patent: 3871507 (1975-03-01), Perry et al.
patent: 3904017 (1975-09-01), Frechette

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