JPH0463450U - - Google Patents

Info

Publication number
JPH0463450U
JPH0463450U JP1990107806U JP10780690U JPH0463450U JP H0463450 U JPH0463450 U JP H0463450U JP 1990107806 U JP1990107806 U JP 1990107806U JP 10780690 U JP10780690 U JP 10780690U JP H0463450 U JPH0463450 U JP H0463450U
Authority
JP
Japan
Prior art keywords
photoreceptor drum
drum
uneven rotation
photoreceptor
movement
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
JP1990107806U
Other languages
English (en)
Other versions
JP2553509Y2 (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 JP1990107806U priority Critical patent/JP2553509Y2/ja
Priority to DE4134105A priority patent/DE4134105A1/de
Priority to US07/775,893 priority patent/US5136330A/en
Publication of JPH0463450U publication Critical patent/JPH0463450U/ja
Application granted granted Critical
Publication of JP2553509Y2 publication Critical patent/JP2553509Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/75—Details relating to xerographic drum, band or plate, e.g. replacing, testing
    • G03G15/751—Details relating to xerographic drum, band or plate, e.g. replacing, testing relating to drum

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)
  • Electrophotography Configuration And Component (AREA)

Description

【図面の簡単な説明】
第１図は本考案に係る感光体ドラムの回転ムラ
防止構造の一実施例を適用したレーザビームプリ
ンタ装置の感光体ドラムユニツトの断面図、第２
図は従来の問題点を説明する感光体ドラム部分の
断面図である。 １０……感光体ドラムユニツト、１１……感光
体ドラム、２０……現像装置、２２……現像ギヤ
ツプローラ、４０……押圧部材（移動規制手段）
。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 回転駆動される感光体ドラムを有する電子
    写真法を利用する画像形成装置に於て、 前記感光体ドラムの回転起動時に発生する回転
    軸と直交する方向に作用する合成力と略対向する
    位置に、前記感光体ドラムの移動を規制する移動
    規制手段を設けて構成したこと、を特徴とする感
    光体ドラムの回転ムラ防止構造。 (2) 上記移動規制手段を、上記感光体ドラムの
    画像形成に寄与しない端部を押圧部材により押圧
    付勢して構成したこと、を特徴とする請求項(1)
    記載の感光体ドラムの回転ムラ防止構造。 (3) 上記押圧部材が、上記感光体ドラムに当接
    配置された現像ギヤツプローラの当接部位と同じ
    部位を押圧付勢するよう構成したこと、を特徴と
    する請求項(2)記載の感光体ドラムの回転ムラ防
    止構造。
JP1990107806U 1990-10-15 1990-10-15 感光体ドラムの回転ムラ防止構造 Expired - Fee Related JP2553509Y2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1990107806U JP2553509Y2 (ja) 1990-10-15 1990-10-15 感光体ドラムの回転ムラ防止構造
DE4134105A DE4134105A1 (de) 1990-10-15 1991-10-15 Einrichtung zum beseitigen von drehfehlern einer fotoleitfaehigen trommel
US07/775,893 US5136330A (en) 1990-10-15 1991-10-15 Irregular rotation prevention structure for photoconductive drum

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990107806U JP2553509Y2 (ja) 1990-10-15 1990-10-15 感光体ドラムの回転ムラ防止構造

Publications (2)

Publication Number Publication Date
JPH0463450U true JPH0463450U (ja) 1992-05-29
JP2553509Y2 JP2553509Y2 (ja) 1997-11-05

Family

ID=14468509

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990107806U Expired - Fee Related JP2553509Y2 (ja) 1990-10-15 1990-10-15 感光体ドラムの回転ムラ防止構造

Country Status (3)

Country Link
US (1) US5136330A (ja)
JP (1) JP2553509Y2 (ja)
DE (1) DE4134105A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011232366A (ja) * 2010-04-23 2011-11-17 Fuji Xerox Co Ltd 作像装置及び画像形成装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5218405A (en) * 1992-06-29 1993-06-08 Xerox Corporation Photoreceptor drum runout control apparatus
US5323211A (en) * 1992-09-11 1994-06-21 Konica Corporation Driving device of rotational body for use in image forming apparatus
EP1003082B1 (en) * 1995-03-07 2002-07-24 Sharp Kabushiki Kaisha Photoreceptor unit with internal gear

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5496646U (ja) * 1977-12-20 1979-07-07
JPS6084547A (ja) * 1983-10-17 1985-05-13 Toshiba Corp 画像形成装置
JPS6327859A (ja) * 1986-07-22 1988-02-05 Ricoh Co Ltd 駆動伝達方法
JPH01195461A (ja) * 1988-01-30 1989-08-07 Konica Corp 画像形成装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3490841A (en) * 1968-01-15 1970-01-20 Ibm Photoconductor drum locator
DE2436301A1 (de) * 1974-07-27 1976-02-12 Agfa Gevaert Ag Elektrostatisches kopiergeraet
JPS55151673A (en) * 1979-05-17 1980-11-26 Canon Inc Developing device
JPS61179560U (ja) * 1985-04-27 1986-11-08
DE3527711C1 (de) * 1985-08-02 1986-09-11 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Druckwerkzylinder mit einer Vorrichtung zur Reduzierung der durch die Kanalueberrollung angeregten Dreh- und Biegeschwingungen
JP2594653B2 (ja) * 1989-10-31 1997-03-26 三田工業株式会社 駆動連結装置
JP2720942B2 (ja) * 1992-10-27 1998-03-04 株式会社テック 梱包装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5496646U (ja) * 1977-12-20 1979-07-07
JPS6084547A (ja) * 1983-10-17 1985-05-13 Toshiba Corp 画像形成装置
JPS6327859A (ja) * 1986-07-22 1988-02-05 Ricoh Co Ltd 駆動伝達方法
JPH01195461A (ja) * 1988-01-30 1989-08-07 Konica Corp 画像形成装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011232366A (ja) * 2010-04-23 2011-11-17 Fuji Xerox Co Ltd 作像装置及び画像形成装置

Also Published As

Publication number Publication date
JP2553509Y2 (ja) 1997-11-05
US5136330A (en) 1992-08-04
DE4134105A1 (de) 1992-04-16

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees