Printer ribbon cartridge

Details Printer ribbon cartridge Printer ribbon cartridge

B - Operations, Transporting

41

J

101/102, 197/107

B41J 33/10 (2006.01) B41J 32/02 (2006.01)

Patent

CA 1072936

ABSTRACT A cartridge for an endless band printer ribbon includes a chamber for storing the ribbon in a convolute therewithin. One or more segments of the ribbon are main- tained exteriorly of the cartridge to overlie and close the open end of a corresponding depression(s) formed in the cartridge's periphery to form a protrudent member-receiving compartment. The number of depressions corresponds to the num- ber of protrudent ribbon guides (rollers, posts, etc.) in the printer. The protrudent member-receiving compartments are positionable so that their corresponding guides may be simultaneously received therein. After such reception, the cartridge is moved away from the guides, which there- upon engage and withdraw the ribbon from the convolute by unwinding it until the cartridge is mounted to the printer and a portion thereof is properly adjacent a printing loca- tion on a platen. The cartridge may also contain a one-way clutch to effect unidirectional ribbon movement and a ribbon re-inker.

267578

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