Developing device

Details Developing device Developing device

2011-06-07

2011-06-07

Tran, Hoan (Department: 2884)

Electrophotography

Image formation

Development

C399S119000, C399S120000

Reexamination Certificate

active

07957681

ABSTRACT:
A developing device includes a developing container in which a developer is contained; a developer carrying member for carrying the developer and feeding the developer by rotation thereof to a developing zone in which the developer carrying member opposes an image bearing member on which a latent image is formed and develops the latent image with the developer; and an electrode, disposed opposed to the developer carrying member, to which a bias for forming an electric field for moving regular-charge toner in the developer container toward the developer carrying member is to be applied. The electrode is provided downstream of the developing zone with respect to a rotational direction of the developer carrying member and is provided vertically above the developer carrying member. At least a part of the electrode is located downstream of a rectilinear line connecting a rotation center and top point of the developer carrying member with respect to the rotational direction of the developer carrying member.

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patent: 8-240972 (1996-09-01), None
patent: 11-174848 (1999-07-01), None

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