Developing device

Details Developing device Developing device

Filed on

1983-10-31

Date issued

1985-06-04

Examiner

Prescott, A. C.

Patent Class

Photocopying

SubClass

Including fiber optics

Other Related Categories

355 14D, 355 15, 118651, G03G 1508

Type

Patent

Status

active

Patent number

045210985

Description

ABSTRACT:
A developing device is provided for developing by means of a toner an electrostatic latent image formed on the surface of a photosensitive drum which rotates along one direction at a given speed. The developing device comprises a developing roller movably disposed at a given distance from the photosensitive drum, for causing the toner thereon to move in accordance with the movement thereof, whereby the toner thereon is supplied to the photosensitive drum by means of the surface potential of the electrostatic latent image, and a layer regulating member for regulating the amount of the toner put on the developing roller. The developing roller rotates in other direction at a speed relative to the given speed.

REFERENCES:
patent: 3232190 (1966-02-01), Willmott
patent: 3301152 (1967-01-01), Mayo
patent: 3332396 (1967-07-01), Gundlach
patent: 3848993 (1974-11-01), Hasiotis
patent: 3859691 (1975-01-01), Katayama et al.
patent: 3986227 (1976-10-01), Fathergill et al.
patent: 3992091 (1976-11-01), Fisher
patent: 4158498 (1979-06-01), Ohmori
patent: 4194830 (1980-03-01), Ohnuma et al.
patent: 4292387 (1981-09-01), Kanbe et al.
patent: 4386577 (1983-06-01), Hosono et al.

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