Developing apparatus

Details Developing apparatus Developing apparatus

1989-01-04

1991-02-05

Moses, R. L.

Coating apparatus

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

With electromagnetic and/or electrostatic removal of...

118656, 355251, G03G 1509

Patent

active

049895397

ABSTRACT:
A developing apparatus using a bicomponent developing material is composed of a toner and a magnetic carrier. Between a developing roller for forming a magnetic brush and a stirring member disposed adjacent the developing roller for stirring the developing material, a flat plate-shaped stirring aiding plate is positioned with spaces defined above and below the stirring aiding plate. The stirring member transports developing material toward the developing roller and stirring aiding plate. The developing material is moved by the developing roller toward the stirring member and stirring aiding plate. In this way, the developing material is allowed to flow in separate streams through the spaces between the developing roller and the stirring aiding plate, and between the stirring member and the stirring aiding plate. This permits uniform distribution of toner concentration on the developing roller along the axis thereof in order to improve the image.

REFERENCES:
patent: 4147127 (1979-04-01), Terashima
patent: 4449810 (1984-05-01), Ikesue et al.
patent: 4469427 (1984-09-01), Kopp et al.
patent: 4592645 (1986-06-01), Kanai et al.
patent: 4716437 (1987-12-01), MacLellan
patent: 4855783 (1989-08-01), Takashima et al.
patent: 4867100 (1989-09-01), Yamazaki et al.
U.K. Patent Application No. 2,121,323, Dec. 1983, Yamashita et al.

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