Fujitsu Isotec Limited

Hiromichi Suzawa

Chiaki Sekioka

Masayuki Kubota

Hisashi Uemura

Minako Sato

Masayuki Tanaka

Masaru Sugie

Hiroki Ohta

An ink ribbon for a printer, particularly an impact type printer such as a wire dot printer or daisy wheel printer, as well as a black ink to be used for an ink ribbon for a printer.

Ink ribbon for printer and ink therefor

An inked ribbon cassette comprising an ink supply felt, a first gear arranged in contact with the felt and a second gear in engagement with the first gear. An ink ribbon is pinched between the first and the second gears and driven by the first and the second gears upon rotation thereof. Accordingly, ink is transferred from the felt to the first gear, and in turn, from the first gear to the ink ribbon. There are grooves in the first gear for containing ink therein ink is excessively transferred from the ink supply felt to the first gear. The grooves are preferably provided in bottom lands of the first gear by increasing the whole depth of the first gear.

Ink ribbon cassette with re-inking and drive gear

Growing community of inventors

Fukushima, Japan

Hiromichi Suzawa