Paper feeder for printer

Details Paper feeder for printer Paper feeder for printer

1989-03-30

1990-09-25

Burr, Edgar S.

Typewriting machines

Sheet or web

For feeding sheet from stack or pack holder

400628, 400624, 400649, B41J 1303

Patent

active

049589504

ABSTRACT:
A paper feeder comprises a tray having a stage on which papers to be fed are stacked, driving means for driving a platen, transmitting means for transmitting a motive power of the driving means to position the stage at predetermined position for paper feeding operation, and paper feeding means having a roller for feeding the uppermost one of the papers stacked on the stage when the uppermost paper positioned to contact with the feeding roller at the predetermined position by the motive power. It is advantageous that the paper feeder can be made economical and compact since there is no need to provide an exclusive motive power source having a speed reducer. Furthermore, a contact pressure between the paper feeding roller and the paper is stabilized to enhance the accuracy of the paper feeding.

REFERENCES:
patent: 4113245 (1978-09-01), Colglazier et al.
patent: 4416559 (1983-11-01), Steinhilber
patent: 4729683 (1988-03-01), Staniszewski
patent: 4830353 (1989-05-01), Hendriks et al.
IBM Technical Disclosure Bulletin, vol. 30, No. 5, Oct. 1987.
"Sheet Separator and Feeder", Xerox Disclosure Journal, vol. 8, No. 6, Nov./Dec. 1983.

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