Typewriting machines – Sheet or web – For feeding sheet from stack or pack holder
Patent
1980-01-21
1982-04-27
Sewell, Paul T.
Typewriting machines
Sheet or web
For feeding sheet from stack or pack holder
271 4, 400629, B41J 1158
Patent
active
043268153
ABSTRACT:
A paper feeding apparatus for feeding of individual sheets of paper to a printing device for the printing of matter thereon, the printing device including a print head for printing on a sheet of paper and a paper moving platen for providing relative movement between sheets of paper and the print head to effect printing on the paper. The paper feeding apparatus includes a paper storage tray for storing a plurality of sheets of paper, and a paper drive and guide apparatus for feeding a sheet of paper from the paper storage tray along a paper feed path to the platen of the printing device. A sensor is provided in the paper feed path for sensing when a sheet of paper is in position for being received by the platen, at which time the platen is then actuated to receive the sheet of paper being fed along the paper feed path and to move the sheet of paper relative to the print head to accurately position the sheet of paper in a printing position for the start of printing thereon by the print head. In the preferred embodiment, a second sensor is provided along a paper exit path from the printing device which is utilized to indicate that the platen has received a sheet of paper and to position the paper properly in a printing position for the start of printing. Further, apparatus are provided for ejecting the paper from the printing device after printing has been completed on the sheet of paper.
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IBM Tech. Disc. Bulletin, vol. 21, No. 12, May 1979, pp. 4751-4752, 271-279.
Sewell Paul T.
Ziyad Incorporated
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