JPH0360353U - - Google Patents

Info

Publication number
JPH0360353U
JPH0360353U JP12118689U JP12118689U JPH0360353U JP H0360353 U JPH0360353 U JP H0360353U JP 12118689 U JP12118689 U JP 12118689U JP 12118689 U JP12118689 U JP 12118689U JP H0360353 U JPH0360353 U JP H0360353U
Authority
JP
Japan
Prior art keywords
developing device
developing
main body
device main
photosensitive drum
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.)
Pending
Application number
JP12118689U
Other languages
Japanese (ja)
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 JP12118689U priority Critical patent/JPH0360353U/ja
Publication of JPH0360353U publication Critical patent/JPH0360353U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Dry Development In Electrophotography (AREA)

Description

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

第1図aはこの考案の多段現像装置の一実施例
を示す正面図、第1図bは上記実施例における要
部としてのボスの摺動部分を示す断面図、第2図
は上記実施例の内部を示す断面図、第3図は上記
実施例の多段現像装置が装填される画像形成装置
の内部構造の一例を示す概略図、第4図は感光体
ドラムと現像ローラとの位置決めにコロを用いた
従来の機構を示す概略図である。 1……現像装置本体、1b……側板、13,1
3……溝、2,3……現像ローラ、7,7……ボ
ス、8,8……微調整手段、A……多段現像装置
、D……感光体ドラム。
FIG. 1a is a front view showing an embodiment of the multi-stage developing device of this invention, FIG. 1b is a sectional view showing the sliding portion of the boss as the main part in the above embodiment, and FIG. 2 is a front view showing the above embodiment. 3 is a schematic diagram showing an example of the internal structure of an image forming apparatus in which the multi-stage developing device of the above embodiment is loaded, and FIG. 1 is a schematic diagram showing a conventional mechanism using 1...Developing device main body, 1b...Side plate, 13, 1
3...groove, 2,3...developing roller, 7,7...boss, 8,8...fine adjustment means, A...multistage developing device, D...photosensitive drum.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] トナーを収容する現像装置本体内に回転可能に
軸支され、静電潜像が形成された感光体ドラムの
表面に隣設して配置された、上記静電潜像にトナ
ーを静電吸着させる複数の現像ローラを備えた多
段現像装置において、上記各現像ローラが、現像
装置本体に対して、それぞれ個別に感光体ドラム
側へ移動可能に取り付けられていると共に、上記
現像装置本体と各現像ローラとの間には、当該各
現像ローラを現像装置本体に対して移動させて、
その感光体ドラムに対する距離を、各現像ローラ
毎に個別に調整する微調整手段が設けられている
ことを特徴とする多段現像装置。
The toner is electrostatically attracted to the electrostatic latent image, which is rotatably supported within a developing device main body that accommodates the toner and is placed adjacent to the surface of the photosensitive drum on which the electrostatic latent image is formed. In a multi-stage developing device including a plurality of developing rollers, each of the developing rollers is attached to the developing device main body so as to be movable individually toward the photosensitive drum side, and the developing device main body and each developing roller In between, each of the developing rollers is moved relative to the developing device main body,
A multi-stage developing device characterized by being provided with fine adjustment means for individually adjusting the distance to the photosensitive drum for each developing roller.
JP12118689U 1989-10-16 1989-10-16 Pending JPH0360353U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12118689U JPH0360353U (en) 1989-10-16 1989-10-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12118689U JPH0360353U (en) 1989-10-16 1989-10-16

Publications (1)

Publication Number Publication Date
JPH0360353U true JPH0360353U (en) 1991-06-13

Family

ID=31669223

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12118689U Pending JPH0360353U (en) 1989-10-16 1989-10-16

Country Status (1)

Country Link
JP (1) JPH0360353U (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6324266A (en) * 1986-07-16 1988-02-01 Minolta Camera Co Ltd Developing device
JPS6352158A (en) * 1986-08-22 1988-03-05 Toshiba Corp Developing device
JPS63118172A (en) * 1986-11-05 1988-05-23 Olympus Optical Co Ltd Developing device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6324266A (en) * 1986-07-16 1988-02-01 Minolta Camera Co Ltd Developing device
JPS6352158A (en) * 1986-08-22 1988-03-05 Toshiba Corp Developing device
JPS63118172A (en) * 1986-11-05 1988-05-23 Olympus Optical Co Ltd Developing device

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