Transfer device

Details Transfer device Transfer device

1981-03-04

1983-02-15

Schacher, Richard A.

Sheet feeding or delivering

Delivering

With transfer means between conveyor and receiver

271311, B65H 2956

Patent

active

043737145

ABSTRACT:
An electrostatic copying apparatus has a rotatable photosensitive drum including a first peripheral layer on which a visible image is formed and a second peripheral layer which is adjacent to the first peripheral layer along a shaft of the drum and on which a toner image is not formed, and a peeling mechanism for peeling a copying paper from the photosensitive drum, a transfer device including a transfer roller which is rotatably disposed in opposition to the photosensitive drum and cooperates with the photosensitive drum to nip a copying paper therebetween, and a DC power source for applying a surface electrical potential to the transfer roller to electrically attract the visible image from the photosensitive drum to the copying paper. In the copying apparatus, the transfer roller includes a first roller portion in opposition to the first peripheral layer of the photosensitive drum and a second roller portion coaxial with the first roller portion. The peeling mechanism is disposed in opposition to the second roller portion of the transfer roller which cooperates with the second roller portion to nip one end of the copying paper to peel the copying paper from the photosensitive drum.

REFERENCES:
patent: 4026541 (1977-05-01), Brooke
patent: 4223993 (1980-04-01), Tsuda

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