Developing device including developer leveling member

Details Developing device including developer leveling member Developing device including developer leveling member

1999-04-14

2000-07-18

Brase, Sandra

Electrophotography

Image formation

Development

399267, G03G 1509

Patent

active

060919213

ABSTRACT:
A developing device develops a latent image formed on a latent image holding body. The developing device includes a developing roller conveying, with rotation of the developing roller, developer adhered thereto to a developing area in which the latent image on the latent image holding body should be developed, the developer including toner and carriers, a limit member, provided so as to face the developing roller, limiting a height of a layer of the developer on the developing roller, a toner container storing the toner, a toner supply mechanism supplying the toner in the toner container to the developing roller, and a partition member forming a space between the partition member and the developing roller, the toner supplied from the toner container being moved in the space with rotation of the developing roller. The developing device further includes a developer leveling member provided on an upstream side of the space in a rotation direction of the developing roller, the developer leveling member leveling the developer, formed on the developing roller, which developer has passed through the developing area.

REFERENCES:
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patent: 4838200 (1989-06-01), Hosoi et al.
patent: 4966356 (1990-10-01), Ohyabu et al.
patent: 4996567 (1991-02-01), Watarai et al.
patent: 5188057 (1993-02-01), Ishikawa et al.
patent: 5659860 (1997-08-01), Sasaki et al.
patent: 5758241 (1998-05-01), Oyama et al.
patent: 5790929 (1998-08-01), Goto et al.

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