Typewriting machines – Including interposed inking device for record-medium – Ribbon – per se
Patent
1998-05-05
2000-07-18
Hilten, John S.
Typewriting machines
Including interposed inking device for record-medium
Ribbon, per se
400239, 400244, B41J 3110
Patent
active
060897686
ABSTRACT:
A clean print ribbon feed system and method for a printer having a ribbon with two non-inked clean hands portions wound around a pair of spools is disclosed. Detection of the spool having greater angular velocity and lesser angular velocity determines the direction of feed. The spool having greater angular velocity winds and takes up the print ribbon. The non-inked portion can be formed as a conductive plastic and is initially wound on each spool. Detection of the non-inked portion of the ribbon takes place by two electrical contactors. The determination of the angular velocity of the spools determines the amount of print ribbon on one of the spools so that the spool having the lesser ribbon can be driven as a take-up spool to provide proper directional drive for winding the clean hands portion and the inked portion which follows.
REFERENCES:
patent: 455263 (1891-06-01), Rogers
patent: 472847 (1892-04-01), Bailey
patent: 1581040 (1926-04-01), Vannote
patent: 2020152 (1935-11-01), Mannino
patent: 3554349 (1971-01-01), Hebert
patent: 3825103 (1974-07-01), Riley
patent: 4177731 (1979-12-01), Kleist et al.
patent: 4338645 (1982-07-01), Mohri et al.
patent: 4475830 (1984-10-01), Schaefer
patent: 4479730 (1984-10-01), Yoshioka et al.
patent: 4496117 (1985-01-01), Kashiwagi et al.
patent: 4969761 (1990-11-01), Gibson-Saxty
patent: 5143461 (1992-09-01), Inoue et al.
patent: 5323286 (1994-06-01), Faul
patent: 5333960 (1994-08-01), Nam
patent: 5366303 (1994-11-01), Barrus et al.
patent: 5497183 (1996-03-01), Yoshida et al.
patent: 5560722 (1996-10-01), Kawaguchi
patent: 5605405 (1997-02-01), Kurz
Anderson Greg J.
Barrus Gordon B.
Bethel George F.
Cone Darius N.
Hilten John S.
Printronix, Inc.
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