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Patent Searching and Data


Title:
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
Document Type and Number:
Japanese Patent JP2011180382
Kind Code:
A
Abstract:

To provide a developing device capable of forming a uniform thin layer of a developer on a developer carrier and developing an electrostatic latent image on an image carrier with high image quality.

The developing device 2 carries a developer 60, stored in a developer tank 61, on a developing roller 62, and conveys the developer to a photoreceptor drum 32 to develop an electrostatic latent image. A doctor blade 67 is provided to come into pressure-contact with the developing roller 62, and regulates layer thickness of the developer 60 carried on the developing roller 62. The doctor blade 67 has an elastic rubber section 671 and a support section 672. The support section 672 includes: a fixation section 6722 that is formed into a plate shape in parallel with the axis line of the developing roller 62 and is fixed to the developer tank 61; and an insertion section 6721 that continues from the fixation section 6722 and is inserted into the inside of the elastic rubber section 671; wherein the insertion section 6721 has an proximity curved section 6721a that is curved in a direction in proximity to the developing roller 62.


Inventors:
Adachi, Katsumi
Application Number:
JP2010000044575
Publication Date:
September 15, 2011
Filing Date:
March 01, 2010
Export Citation:
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Assignee:
SHARP CORP
International Classes:
G03G15/08; G03G13/095
Domestic Patent References:
1996-02-02
2000-11-07
1997-05-16
1997-06-30
2005-10-27
1997-02-18
1992-11-09
1992-03-19
1993-01-22
2001-01-19
Attorney, Agent or Firm:
西教 圭一郎