Developing device for image forming apparatus having a layer thi

Details Developing device for image forming apparatus having a layer thi Developing device for image forming apparatus having a layer thi

1995-12-22

1998-02-24

Lee, Shuk

Electrophotography

Image formation

Development

399285, G03G 1508

Patent

active

057220212

ABSTRACT:
A developing device for use with an image forming apparatus that is capable of reliably preventing the entry of large particles of developing agent between a layer thickness limiting member and a developing agent carrier. The developing device includes an image carrier and a developing agent carrier that conveys a developing agent to the vicinity of the image carrier. The developing agent is conveyed to the vicinity of the image carrier. A layer thickness limiting member limits a thickness of a layer of the developing agent. The layer thickness limiting member includes a columnar member having a ridge line closely parallel to the surface of the developing agent carrier. The ridge line limits the thickness of the developing agent layer.

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patent: 4701043 (1987-10-01), Takayama
patent: 4851873 (1989-07-01), Sakao et al.
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patent: 5097294 (1992-03-01), Nishio et al.
patent: 5132734 (1992-07-01), Momiyama et al.

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