Developing apparatus

Details Developing apparatus Developing apparatus

1984-08-01

1986-07-22

Pianalto, Bernard D.

Coating apparatus

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

With electromagnetic and/or electrostatic removal of...

118689, 355 3DD, G03G 1509

Patent

active

046012591

ABSTRACT:
A developing apparatus develops an electrostatic latent image formed on the surface of an image retaining member into a visible image by the use of a developer including a magnetic carrier and a toner. The developing apparatus includes a rotatable non-magnetic sleeve retaining the developer, a permanent magnet member disposed in the non-magnetic sleeve and having a plurality of magnetic poles, a developer tank containing the developer, a toner tank containing the toner and having a toner outlet communicating with the developer tank and further having a toner replenishing movable member at the outlet, and a developer mixing movable member installed inside the developer tank. In the developer tank, a predetermined amount of the developer is contained which has previously been adjusted to a predetermined toner density. Further, the developing apparatus is constructed such that the whole of the developing apparatus is abandoned after the magnetic carrier has reached the end of its predetermined life.

REFERENCES:
patent: 4499169 (1985-02-01), Haneda et al.
patent: 4514480 (1985-04-01), Wada et al.

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