Automatic sheet feeding apparatus

Details Automatic sheet feeding apparatus Automatic sheet feeding apparatus

1992-06-26

1994-03-01

Dayoan, D. Glenn

Sheet feeding or delivering

Feeding

Separators

271116, 271270, B65H 352

Patent

active

052900240

ABSTRACT:
The present invention provides an automatic sheet feeding apparatus with a separation roller rotated in a sheet feeding direction, a reversible roller abutted against the separation roller and adapted to be rotated in a direction opposite to the sheet feeding direction, a supporting device pivotally provided on a support shaft and adapted to support the reversible roller for movement toward and away from the separation roller, driving force transmitter for transmitting a driving force to the reversible roller, and a interruption device provided in the driving force transmitter and adapted to interrupt the transmission of the driving force in response to a load. The driving force transmitting means generates a force acting in a direction that the reversible roller is separated from the separation roller by the transmitting driving force, and the support shaft for the supporting device is so positioned as to generate a force acting in a direction that the reversible roller is urged against the separation roller by a friction force that the reversible roller has received from the separation roller.

REFERENCES:
patent: 3857559 (1974-12-01), McInerny
patent: 4239203 (1980-12-01), Uchida
patent: 4368881 (1983-01-01), Landa
patent: 4627607 (1986-12-01), Ishii
patent: 4674735 (1987-06-01), DuBois et al.
patent: 4796035 (1989-01-01), Kawasaki et al.
patent: 5106071 (1992-04-01), Graham

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