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Title:
ELECTROSTATIC CHARGING DEVICE AND IMAGE FORMING DEVICE
Document Type and Number:
WIPO Patent Application WO/2011/040380
Kind Code:
A1
Abstract:
Disclosed is an electrostatic charging device (32A) for an image forming device (1), and in the electrostatic charging device, air not containing dusts is sucked from the outside of an image forming unit (101) by means of an air current generating device (632A), and the air current is directed to an inlet port (524A) formed in the bottom surface (521A) of a case (52A) via a flow channel (43A). The air current taken into the case (52A) from the inlet port (524A) is led to the leading end portion (531A) of a discharge electrode (53A) by means of a guide plate (56A) and an air barrier (57A), and the air current passes the leading end portion (531A), then, passes through an air release duct (62A) from the opening (520A) of the case (52A), and is released to the outside of the image forming unit (101) through an outlet port (63A).

Inventors:
YAMAMOTO MASANOBU
TOKUDA TAKASHI
Application Number:
PCT/JP2010/066755
Publication Date:
April 07, 2011
Filing Date:
September 28, 2010
Export Citation:
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Assignee:
SHARP KK (JP)
YAMAMOTO MASANOBU
TOKUDA TAKASHI
International Classes:
G03G15/02; G03G21/00
Foreign References:
JPH10307441A1998-11-17
JPH11143179A1999-05-28
JP2008257183A2008-10-23
Attorney, Agent or Firm:
Kaede Patent Attorneys' Office (JP)
Patent business corporation Kaede Patent Attorneys' Office (JP)
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