Developing device in an image forming apparatus

Details Developing device in an image forming apparatus Developing device in an image forming apparatus

1988-09-20

1990-04-17

Moses, R. L.

Coating apparatus

With means to apply electrical and/or radiant energy to work...

With electromagnetic and/or electrostatic removal of...

118653, 355251, 355253, G03G 1509

Patent

active

049170430

ABSTRACT:
A developing device in an image forming apparatus which having a developing sleeve disposed in face-to-face relationship with a photoreceptor drum, a magnetic roller disposed inside the developing sleeve for forming a magnetic brush of developing material on an outer peripheral surface of the developing sleeve for the developing of a latent image on the photoreceptor drum, and a casing enclosing the developing sleeve and having a portion which is held in contact with the magnetic brush. Portions of the casing are formed of or with a toner adherence preventive material of a type capable of being charged to the same polarity as that of the toner particles when held in frictional contact with the material used to charge the toner particles.

REFERENCES:
patent: 4522907 (1985-06-01), Mitsuhashi et al.

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