JPS62167262U - - Google Patents

Info

Publication number
JPS62167262U
JPS62167262U JP5404186U JP5404186U JPS62167262U JP S62167262 U JPS62167262 U JP S62167262U JP 5404186 U JP5404186 U JP 5404186U JP 5404186 U JP5404186 U JP 5404186U JP S62167262 U JPS62167262 U JP S62167262U
Authority
JP
Japan
Prior art keywords
developing
doctor
sleeve
casing
developing sleeve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP5404186U
Other languages
Japanese (ja)
Other versions
JPH0635250Y2 (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1986054041U priority Critical patent/JPH0635250Y2/en
Priority to US07/037,193 priority patent/US4800411A/en
Publication of JPS62167262U publication Critical patent/JPS62167262U/ja
Application granted granted Critical
Publication of JPH0635250Y2 publication Critical patent/JPH0635250Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Magnetic Brush Developing In Electrophotography (AREA)
  • Dry Development In Electrophotography (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の実施例を示す断面図、第２図
ａは感光体側から見たケーシング開口部を示す正
面図、同図ｂは現像スリーブ端部近傍の内部を示
す断面図、第３図は空間形成の状態を示す断面図
、第４図はスリーブ端部に形成された通路を流通
する気流を示す断面図、第５図は空気流動を説明
するための図、第６図は入口シールの代りにケー
シングの一部が延びた状態を示す断面図である。 ２……静電潜像担持体、３……ケーシング、５
……現像スリーブ、８……第１ドクター、１２…
…第２ドクター。 FIG. 1 is a sectional view showing an embodiment of the present invention, FIG. 2a is a front view showing the casing opening seen from the photoreceptor side, FIG. The figure is a cross-sectional view showing the state of space formation, Figure 4 is a cross-sectional view showing the air flow flowing through the passage formed at the end of the sleeve, Figure 5 is a diagram for explaining the air flow, and Figure 6 is the inlet. FIG. 3 is a cross-sectional view showing a state in which a part of the casing is extended instead of a seal. 2... Electrostatic latent image carrier, 3... Casing, 5
...Developing sleeve, 8...First doctor, 12...
...Second Doctor.

Claims (1)

【実用新案登録請求の範囲】 静電潜像担持体表面に磁気ブラシを摺接させる
現像スリーブと、この現像スリーブを回転自在に
支持しながら二成分系の現像剤を貯溜する現像ケ
ーシングと、この現像ケーシングから現像スリー
ブへそれぞれ延設されていて、現像剤の穂立てを
制限する第１ドクターおよびこの第１ドクターの
下流で再び形成される穂立てを制限する第２ドク
ターと、この第２ドクターから現像領域に至る前
記現像スリーブ表面の現像剤を外気から隠蔽すべ
く前記現像ケーシングより静電潜像担持体表面に
延設される入口シールとを有する磁気ブラシ現像
装置において、 第１ドクターと第２ドクターとに挟まれていて
現像スリーブと現像ケーシングとの間の第１空間
と、前記第２ドクターと現像領域とに挟まれてい
て前記現像スリーブと入口シールとの間の第２空
間と、前記現像スリーブ端部に設けられていて前
記第１空間と前記第２空間とを連通する通路とを
備えたことを特徴とする磁気ブラシ現像装置。[Claims for Utility Model Registration] A developing sleeve in which a magnetic brush is brought into sliding contact with the surface of an electrostatic latent image carrier, a developing casing in which a two-component developer is stored while rotatably supporting this developing sleeve, and this developing sleeve. A first doctor extending from the developing casing to the developing sleeve and restricting the formation of developer spikes, a second doctor forming again downstream of the first doctor and restricting the formation of spikes, and the second doctor. and an inlet seal extending from the developing casing to the surface of the electrostatic latent image carrier to hide the developer on the surface of the developing sleeve from the outside air to the developing area, a first space sandwiched between the second doctor and the development sleeve and the development casing; a second space sandwiched between the second doctor and the development area and between the development sleeve and the inlet seal; A magnetic brush developing device comprising a passage provided at an end of the developing sleeve and communicating the first space and the second space.
JP1986054041U 1986-04-10 1986-04-10 Magnetic brush developing device Expired - Lifetime JPH0635250Y2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1986054041U JPH0635250Y2 (en) 1986-04-10 1986-04-10 Magnetic brush developing device
US07/037,193 US4800411A (en) 1986-04-10 1987-04-10 Magnetic brush development device for electrostatic latent images

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986054041U JPH0635250Y2 (en) 1986-04-10 1986-04-10 Magnetic brush developing device

Publications (2)

Publication Number Publication Date
JPS62167262U true JPS62167262U (en) 1987-10-23
JPH0635250Y2 JPH0635250Y2 (en) 1994-09-14

Family

ID=30880662

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986054041U Expired - Lifetime JPH0635250Y2 (en) 1986-04-10 1986-04-10 Magnetic brush developing device

Country Status (1)

Country Link
JP (1) JPH0635250Y2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004272144A (en) * 2003-03-12 2004-09-30 Ricoh Co Ltd Developing device and image forming device
JP2010026101A (en) * 2008-07-16 2010-02-04 Ricoh Co Ltd Developing device, process cartridge, and image forming device
JP2012123199A (en) * 2010-12-08 2012-06-28 Canon Inc Developing device
JP2014219502A (en) * 2013-05-07 2014-11-20 株式会社東芝 Developing device and image forming apparatus

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53105750U (en) * 1977-01-31 1978-08-25
JPS58105264A (en) * 1981-12-18 1983-06-23 Konishiroku Photo Ind Co Ltd Magnetic brush developing device
JPS5988762A (en) * 1982-11-15 1984-05-22 Konishiroku Photo Ind Co Ltd Electrostatic recording device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53105750U (en) * 1977-01-31 1978-08-25
JPS58105264A (en) * 1981-12-18 1983-06-23 Konishiroku Photo Ind Co Ltd Magnetic brush developing device
JPS5988762A (en) * 1982-11-15 1984-05-22 Konishiroku Photo Ind Co Ltd Electrostatic recording device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004272144A (en) * 2003-03-12 2004-09-30 Ricoh Co Ltd Developing device and image forming device
JP2010026101A (en) * 2008-07-16 2010-02-04 Ricoh Co Ltd Developing device, process cartridge, and image forming device
JP2012123199A (en) * 2010-12-08 2012-06-28 Canon Inc Developing device
JP2014219502A (en) * 2013-05-07 2014-11-20 株式会社東芝 Developing device and image forming apparatus

Also Published As

Publication number Publication date
JPH0635250Y2 (en) 1994-09-14

Similar Documents

Publication Publication Date Title
JPS62169358U (en)
JPS62167262U (en)
JPS6362859U (en)
JPS62129565U (en)
JPH0244752U (en)
JPS6274256U (en)
JPS62137453U (en)
JPH01166364U (en)
JPH0481166U (en)
JPS6339247U (en)
JPH0362357U (en)
JPS6398555U (en)
JPH0281546U (en)
JPS6347353U (en)
JPH03112776U (en)
JPH0285449U (en)
JPS60173966U (en) Developer supply device
JPS649261U (en)
JPS5995364U (en) dry developing device
JPS644454U (en)
JPS642258U (en)
JPS61165552U (en)
JPS63198065U (en)
JPH043446U (en)
JPS6127152U (en) Development device using two-component developer