Typewriting machines – Typing by other than type-face or type-die – Thermal
Patent
1986-11-17
1988-02-09
Burr, Edgar S.
Typewriting machines
Typing by other than type-face or type-die
Thermal
400222, 400233, 400322, 4003313, 4003341, 400335, 741255, 741415, B41J 320, B41J 3340, B41J 1956
Patent
active
047238534
ABSTRACT:
A thermal transfer printer wherein the carriage is equipped with the ribbon cassette and the thermal head and has a take-up shaft engageable with the take-up core of the ribbon cassette, and clutch means is provided between the motion converting means and the take-up shaft of the carriage, rotational force is transmitted from said motion converting means to the clutch means, and the clutch means cuts off the transmission of the rotational force to the take-up shaft. The rubbing transfer phenomenon does not occur, since, the ink ribbon starts to travel before the thermal head contacts the platen or after the thermal head separates the platen. It is possible to effect control such that no rubbing transfer occurs even when the thermal head is pressed against the platen to effect printing while the carriage is moving transversely at high speed.
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patent: 4500892 (1985-02-01), Hirano
IBM Tech. Disc. Bulletin, "Ribbon Drive", Darwin, D. P., vol. 19, No. 4, Sep. 1976, pp. 1407-1408.
IBM Tech. Disc. Bulletin, "Ribbon Feed Mechanism", Breski et al., vol. 22, No. 7, Dec. 1979, pp. 2710-2711.
IBM Tech. Disc. Bulletin, "Apparatus with Selective Rotary and Translational Motion for Printer or Plotter", Kambic, vol. 20, No. 3, Aug. 1977, pp. 1103-1104.
Kitagishi Tomoji
Mikami Katsumasa
Nagano Yoosuke
Sasaki Akira
Suzaki Masafumi
Burr Edgar S.
Hitachi , Ltd.
McDaniel James R.
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