Ribbon cassette with bi-color capability

Ribbon cassette with coaxial spools on common shaft and ribbon w

Ribbon cassette with coaxial spools on common shaft with partiti

Ribbon cassette with coaxial spools on common shaft with partiti

Ribbon cassette with end of ribbon detector

Ribbon cassette with friction mechanism

Ribbon cassette with guide member

Ribbon cassette with integral paper guide

Ribbon cassette with integral paper guide

Ribbon cassette with releasable locking mechanism

Ribbon cassette with ribbon guide mechanism

Ribbon cassette with swingable ribbon-guide arms

Ribbon drive assembly for ribbon cartridge

Ribbon drive coupling and cartridge tilt arrangement for print l

Ribbon drive with spring-loaded idler

Ribbon elevating mechanism for ribbon cassettes

Ribbon feed and lift mechanism for a typewriter

Ribbon feed cartridge

Ribbon feed increment change mechanism and coded ribbon cassette

Ribbon feed mechanism