Developing device for an image forming apparatus

Details Developing device for an image forming apparatus Developing device for an image forming apparatus

1998-12-04

1999-12-07

Smith, Matthew S.

Electrophotography

Image formation

Development

118679, 399236, 399237, B05C 1100, G03G 1510

Patent

active

059997796

ABSTRACT:
A developing device for developing a latent image electrostatically formed on an image carrier includes an endless developing belt, and an applicator roller for applying a viscous developing liquid consisting of a dielectric carrier liquid and toner dispersed in the carrier liquid to the developing belt in the form of a thin layer. The developing liquid is transferred from the developing belt to the image carrier for developing the latent image. The applicator roller holds a preselected amount of the developing liquid thereon, contacts a portion of the developing belt not pressed from the rear side, and rotates in a direction opposite to a direction in which the developing belt moves. The device is therefore capable of uniformly applying the developing liquid to the developing belt and thereby improving image quality.

REFERENCES:
patent: 3921580 (1975-11-01), Kase
patent: 4230782 (1980-10-01), Goffe
patent: 4325627 (1982-04-01), Swidler et al.
patent: 4689936 (1987-09-01), Chow
patent: 5708938 (1998-01-01), Takeuchi et al.

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