Development device

Details Development device Development device

1985-11-15

1987-06-30

Pianalto, Bernard D.

Coating apparatus

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

With electromagnetic and/or electrostatic removal of...

355 3DD, G03G 1509

Patent

active

046761918

ABSTRACT:
A development device has a developer tank for housing a developer, a development roll disposed within the developer tank on one end portion thereof, a magnetic roll included in the development roll via a sleeve for attracting the developer onto the circumferential surface of the sleeve, a photosensitive drum disposed facing to the development tank keeping a finely prescribed distance thereto for carrying an electrostatic latent image thereon, and a magnetic member disposed in the vicinity of an opening for development in the development tank axially of the development roll for allowing lines of magnetic force from the magnetic roll to pass therethrough thereby preventing the developer on the photosensitive drum from being substantially affected by a magnetic field from the magnet roll.

REFERENCES:
patent: 4244322 (1981-01-01), Nomura et al.

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