Ribbon feed mechanism for a printer

Details Ribbon feed mechanism for a printer Ribbon feed mechanism for a printer

1984-01-13

1986-09-16

Wright, Jr., Ernest T.

Typewriting machines

Including interposed inking device for record-medium

Package for ribbon facilitating mounting of ribbon on...

400120, 400225, 400229, 400233, 400234, 400236, B41J 3200

Patent

active

046119370

ABSTRACT:
A printer having a print ribbon feed mechanism is disclosed which allows optimal feeding of a print ribbon, eliminating unnecessary consumption of the ribbon. The mechanism includes first and second clamp means mounted on a stationary section and a print carrier of the machine, respectively, which are both controlled in accordance with movement of a print head from and to a print enabling position. Means are provided which are connected to a carrier indexing mechanism for impositively driving print ribbon supply and takeup spools disposed on the stationary section to wind a print ribbon onto them during a carrier return operation whereas they allow the ribbon to be unwound from the ribbon spools when the carrier advances.

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patent: 3855448 (1974-12-01), Hanagata et al.
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patent: 4300847 (1981-11-01), Hoffman et al.
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patent: 4376586 (1983-03-01), Fujisawa
patent: 4378566 (1983-03-01), Tsukamura
patent: 4420268 (1983-12-01), Tsukamura et al.
patent: 4422786 (1983-12-01), Piptone
patent: 4456392 (1984-06-01), Nozaki et al.
patent: 4468139 (1984-08-01), Hattori
IBM Technical Disclosure Bulletin, "Clutch-Brake Device", Vail, Jr., vol. 9, No. 9, Feb. 1967, p. 1184.

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