Photocopying – Contact printing – Light boxes
Patent
1990-11-06
1992-06-02
Olszewski, Robert P.
Photocopying
Contact printing
Light boxes
271265, 271270, 271228, G03G 2100, B65H 534
Patent
active
051191466
ABSTRACT:
A paper conveying apparatus which facilitates increased printing speed in a printer, such as a laser printer, by providing rollers which are rotated at different respective speeds at different times during a paper feeding and image transfer operation, so as to provide even feeding of the paper to an image transfer device. The paper is fed, one sheet at a time, relatively rapidly to the image transfer device, and at a slower speed, in synchronism with the image transfer operation, while transfer is being effected.
REFERENCES:
patent: 4260241 (1981-04-01), Honma et al.
patent: 4318540 (1982-03-01), Paananen et al.
patent: 4451027 (1984-05-01), Alper
patent: 4519700 (1985-05-01), Barker et al.
patent: 4597660 (1986-07-01), Leng et al.
Matsuda Tatsuo
Nobumori Shogo
Sakaki Kazuo
Takano Yasuo
Hitachi Koki Co,. Ltd.
Olszewski Robert P.
Reiss Steven M.
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