Typewriting machines – Sheet or web – Including friction-feed means
Patent
1985-08-14
1987-10-27
Wright, Jr., Ernest T.
Typewriting machines
Sheet or web
Including friction-feed means
400550, 400551, 400708, B41J 1320
Patent
active
047026324
ABSTRACT:
A printing apparatus is disclosed which comprises a platen roller for feeding a cut paper sheet set on a hopper, a paper bail bar having paper bail rollers used in conjunction with the platen roller to secure the cut paper sheet against the platen roller, and a paper loading mechanism for loading the cut paper sheet by causing rotation of the platen roller at a predetermined angle. The paper loading mechanism includes a paper bail switch for checking whether the paper bail roller is in contact with the platen roller. When it is detected by the paper bail switch that the paper bail roller is released from the platen roller, the platen roller is rotated in the normal direction at a first predetermined angle. When, it is detected by the paper bail switch that the paper bail rollers are in contact with the platen roller, the platen roller is rotated in the reverse direction at a second predetermined angle.
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IBM Technical Disclosure Bulletin, "Paper-Bail Actuation During Unattended Printout", Nilsson et al., vol. 19, No. 6, 1976, p. 1957.
IBM Technical Disclosure Bulletin, "Paper Feed Apparatus", Garrison et al., vol. 22, No. 4, Sep. 1979, pp. 1321-1322.
Kabushiki Kaisha Toshiba
Wright, Jr. Ernest T.
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