Typewriting machines – Including interposed inking device for record-medium – Including mechanism for shifting ribbon laterally at...
Patent
1984-08-27
1986-05-06
Burr, Edgar S.
Typewriting machines
Including interposed inking device for record-medium
Including mechanism for shifting ribbon laterally at...
4002904, 4002161, B41J 3514, B41J 3518
Patent
active
045868379
ABSTRACT:
A printer includes a print mechanism defining a print region and a removable ink ribbon cartridge. The cartridge includes a body and two arms which are spaced apart and pivotally attached to the body with an ink ribbon across the gap between the ends of the arms in the print region. The printer includes an arm moving mechanism for moving the arms about their pivots on the body of the cartridge so that the portion of the ribbon in the print region can be moved laterally.
One of the arms is formed with a first indicator which cooperates with a sensing system on the printer to indicate the lateral position of the ribbon in the print region. The sensing system can also determine whether the cartridge is installed correctly in the printer. A second indicator is located on the arm and the sensing system can detect the position of this second indicator to indicate the type of ribbon in the cartridge.
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IBM Technical Disclosure Bulletin--Multicolor Matrix Impact Printer--vol. 21, No. 11, Apr. 1979, pp. 4448-4451, J. H. Meier.
Ellis Allan E.
French Andrew
Hedrick Dennis R.
Helfenberger Charles D.
Johnson Shepard D.
Burr Edgar S.
International Business Machines Corp.
McDaniel James R.
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