JPS59109080A - Photosensitive body cleaning device of electrophotographic copying machine - Google Patents

Photosensitive body cleaning device of electrophotographic copying machine

Info

Publication number
JPS59109080A
JPS59109080A JP21781082A JP21781082A JPS59109080A JP S59109080 A JPS59109080 A JP S59109080A JP 21781082 A JP21781082 A JP 21781082A JP 21781082 A JP21781082 A JP 21781082A JP S59109080 A JPS59109080 A JP S59109080A
Authority
JP
Japan
Prior art keywords
blade
foreign matter
photosensitive body
length
edge portion
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
JP21781082A
Other languages
Japanese (ja)
Inventor
Hideo Ichikawa
市川　秀夫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujifilm Business Innovation Corp
Original Assignee
Fuji Xerox Co Ltd
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 by Fuji Xerox Co Ltd filed Critical Fuji Xerox Co Ltd
Priority to JP21781082A priority Critical patent/JPS59109080A/en
Publication of JPS59109080A publication Critical patent/JPS59109080A/en
Pending 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
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/0005—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge for removing solid developer or debris from the electrographic recording medium
    • G03G21/0011—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge for removing solid developer or debris from the electrographic recording medium using a blade; Details of cleaning blades, e.g. blade shape, layer forming
    • G03G21/0029—Details relating to the blade support

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)

Abstract

PURPOSE:To remove foreign matters adhered on the edge of a blade surely over whole length by providing a foreign matter removing brush having nearly the same length with longitudinal length of the blade near the blade. CONSTITUTION:A blade 4 is provided opposite to a photosensitive body 1 allowing free movement between a position at which the edge part 4a is in contact with the photosensitive body and a position at which the edge part is off from the photosensitive body 1. A foreign matter removing brush 5 having nearly equal length with total length of longitudinal direction of the blade 4 is provided facing the moving passage of the blade 4 and rotatably along the direction of movement of the blade 4.

Description

【発明の詳細な説明】 本発明は、電子複写機における感光体上の残留トナーを
掻き落しクリー二／グするクリーニング装置に関するも
のである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a cleaning device for scraping off and cleaning residual toner on a photoreceptor in an electronic copying machine.

従来、この種のクリーニング装置としては、回転する感
光体にゴム製のブレードのエツジ部を当接させ、感光体
とブレードとの摩擦によって感光体上の残留トナーを掻
き落しクリーニングする装置が知られている。Conventionally, as a cleaning device of this type, there is a device in which the edge of a rubber blade is brought into contact with a rotating photoconductor, and the residual toner on the photoconductor is scraped off by the friction between the photoconductor and the blade. ing.

しかし、この構造のクリーニング装置であると、コピー
用紙が送られる時に発生する紙粉、現像剤中の異物等の
異物が感光体上に付着し、トナーとともにブレードのエ
ツジ部まで運ば九て、エツジ部に固着し、その部分がク
リーニング不可能となり、クリーニング不良を発生させ
るとの不具合を有する。However, with this type of cleaning device, foreign matter such as paper dust generated when the copy paper is fed and foreign matter in the developer adheres to the photoreceptor and is carried along with the toner to the edge of the blade. This has the problem of sticking to the parts, making it impossible to clean those parts, and causing cleaning failures.

そこで、従来は、異物除去ブラシをブレード付近に配置
し、ブレードを感光体より離隔させてエツジ部を異物除
去ブラシに接触することで、エツジ部に固着した異物を
除去している。Therefore, conventionally, a foreign matter removing brush is disposed near the blade, and the blade is separated from the photoreceptor and the edge portion is brought into contact with the foreign matter removing brush, thereby removing the foreign matter stuck to the edge portion.

しかし、異物除去ブラシをブレード全長に亘って配設し
て、ブレード全長のエツジ部に固着した異物を除去でき
るようにすると、ブレードに対して異物除去ブラシを平
行に配設することは非常に困難であシ、ブレードのエツ
ジ部を全長に亘って異物除去ブラシに均一に接触させる
ことができず、エツジ部全長に固着した異物を確実に除
去できないとの不具合を有する。However, if the foreign matter removal brush is arranged along the entire length of the blade to remove foreign matter stuck to the edge of the blade, it is extremely difficult to arrange the foreign matter removal brush parallel to the blade. However, there is a problem in that the edge portion of the blade cannot be brought into uniform contact with the foreign matter removal brush over the entire length, and foreign matter stuck to the entire length of the edge portion cannot be reliably removed.

本発明は、上記の事情に鑑みなされたものであり、その
目的は、ブレード全長に亘って配設した異物除去ブラシ
に、ブレードのエツジ部全長を均一に接触させることが
でき、ブレードのエツジ部全長に固着した異物を確実に
除去できるようにした電子複写機の感光体クリーニング
装置を提供することである。The present invention has been made in view of the above-mentioned circumstances, and an object thereof is to uniformly bring the entire length of the edge portion of the blade into contact with the foreign matter removal brush disposed over the entire length of the blade, so that the edge portion of the blade To provide a photoconductor cleaning device for an electronic copying machine that can reliably remove foreign matter stuck to the entire length.

以下図面を参照して本発明の詳細な説明する。The present invention will be described in detail below with reference to the drawings.

回転される感光体１と対向してブレードホルダ２が回転
軸３で上下回転自在に配設され、該ブレードホルダ２に
はグレード４が取付けてあシ１そのエツジ部・４αは感
光体ｇに当接している。A blade holder 2 is disposed facing the rotated photoreceptor 1 so as to be able to rotate up and down on a rotating shaft 3, and a grade 4 is attached to the blade holder 2, and the edge portion 4α of the blade holder 2 is attached to the photoreceptor g. are in contact.

前記ブレード４の上方位置には、異物除去ブラシ５の長
手方向中央位置が回転ｓ６で水平面に沿って回転自在に
配設され、該異物除去ブラシ５は、ブレード４の長手方
向全長と同一長さとなシ、ブレードホルダ２を上方に回
転してブラシ４を感光体ｌよシ離隔した時に、エツジ部
４ｃが異物除去ブラシ５に接触（摺擦）するように配設
しである。At a position above the blade 4, a longitudinal center position of a foreign matter removing brush 5 is arranged so as to be freely rotatable along a horizontal plane at rotation s6, and the foreign matter removing brush 5 has a length that is the same as the entire length of the blade 4 in the longitudinal direction. Furthermore, when the blade holder 2 is rotated upward to separate the brush 4 from the photoreceptor l, the edge portion 4c is arranged so as to come into contact with (slide against) the foreign matter removal brush 5.

つまり、異物除去プラク５は、回転縦軸６で水平面に沿
って回転自在釦支承されたブラシホルダ５αにブラシ５
ｂを多数植設した構造であり、そのブラシ５ｂが、前記
ブラシ４のエツジ部４αの回転軌跡（イ）に臨むように
配設しである。That is, the foreign matter removal plaque 5 is attached to a brush holder 5α which is rotatably supported by a button on a vertical axis of rotation 6 along a horizontal plane.
The brush 5b is arranged so as to face the rotation locus (A) of the edge portion 4α of the brush 4.

しかして、感光体１上の潜像は、図示しない現像機によ
って可視像（トナー像〕に現像され、図示しない転写部
によってコピー紙に転写される。The latent image on the photoreceptor 1 is then developed into a visible image (toner image) by a developing machine (not shown), and transferred onto copy paper by a transfer section (not shown).

しかし、感光体１上には転写しきれなかったトナーが残
り、ブレード４へと運ばれる。この時、コピー紙から発
生する紙粉、又は現像剤中の異物（以下異物とするンが
残留トナーとともにブレード４へと運ばれる。However, the toner that has not been completely transferred remains on the photoreceptor 1 and is carried to the blade 4. At this time, paper dust generated from the copy paper or foreign matter (hereinafter referred to as foreign matter) in the developer is carried to the blade 4 together with the residual toner.

そして、残留トナー、異物はブレード４のエツジ部４α
により掻き落しクリーニングされるが、一部の異物がエ
ツジ部４αに固着する。The residual toner and foreign matter are removed from the edge 4α of the blade 4.
However, some foreign matter sticks to the edge portion 4α.

この後に、ブレードホルダ２が上方に回転されてブレー
ド４は感光体１より離隔し、エツジ部４ａがブラシ５ｂ
に摺擦嬶れ、エツジ部４αに固着した異物は除去さｎる
。After that, the blade holder 2 is rotated upward, the blade 4 is separated from the photoconductor 1, and the edge portion 4a is
Foreign matter that has been rubbed and stuck to the edge portion 4α is removed.

この時、第３図に示すように、ブレード４のエツジ部４
αとブラシ５ｂとが平行でなく、斜めとなってエツジ部
４αの長手方向一端側がブラシ５ｂの長手方向一端側に
のみに摺擦すると、ブラシホルダ５αが回転縦軸６を中
心として矢印（ロ）方向に回転し、ブラシ５ｂの長手方
向全長に亘ってブレードエツジ部４αが均一に摺擦さ扛
ることになシ、ブレード４のエツジ部４α全長に亘って
異物を除去できる。At this time, as shown in FIG.
When α and the brush 5b are not parallel but are oblique and one longitudinal end of the edge portion 4α rubs against only one longitudinal end of the brush 5b, the brush holder 5α moves around the rotation vertical shaft 6 as shown by the arrow. ) direction, the blade edge portion 4α is uniformly rubbed over the entire length of the brush 5b in the longitudinal direction, and foreign matter can be removed over the entire length of the edge portion 4α of the blade 4.

本発明は以上の様になり、ブレード４と異物除去ブラシ
５とを平行に配設しなくとも、ブレード全長に亘って配
設した異物除去ブラシ５に、ブレード４のエツジ部４α
全長を均一に接触させることができ、ブレード４のエツ
ジ部４α全長に固着した異物を確実に除去できる。The present invention is as described above, and even if the blade 4 and the foreign matter removal brush 5 are not arranged in parallel, the foreign matter removal brush 5 is arranged over the entire length of the blade, and the edge portion 4α of the blade 4 is
The entire length of the blade 4 can be brought into uniform contact, and foreign matter stuck to the entire length of the edge portion 4α of the blade 4 can be reliably removed.

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

第１図は本発明の実施例を示す正面図、第２図は平面図
、第３図は動作説明図である。 １は感光体、４はブレード、４αはエツジ部、５は異物
除去ブラフＱ 出願人　　富士ゼロックス株式会社 代理人　　弁理士　米　原　正　章 弁理士　浜　本　　　忠FIG. 1 is a front view showing an embodiment of the present invention, FIG. 2 is a plan view, and FIG. 3 is an operation explanatory diagram. 1 is a photoreceptor, 4 is a blade, 4α is an edge part, 5 is a foreign matter removal bluff Q Applicant: Fuji Xerox Co., Ltd. Agent Patent attorney: Masaaki Yonehara Patent attorney: Tadashi Hamamoto

Claims (1)

【特許請求の範囲】[Claims] 感光体１と対向してブレード４を、そのエツジ部４αが
感光体１に当接する位置と感光体１と離隔した位置とに
移動自在に設け、該ブレード４の長手方向全長と略同−
長さである異物除去ブラシ５を、前記ブレード４の移動
経路に臨み、かつブレード４の移動方向に沿って回転自
在に配設したことを特徴とする電子複写機の感光体クリ
ーニング装置。A blade 4 is provided facing the photoconductor 1 so as to be movable between a position where its edge portion 4α abuts the photoconductor 1 and a position away from the photoconductor 1, and has a length approximately equal to the overall length of the blade 4 in the longitudinal direction.
A photoconductor cleaning device for an electronic copying machine, characterized in that a foreign matter removing brush 5 having a length is disposed facing the movement path of the blade 4 and rotatable along the movement direction of the blade 4.
JP21781082A 1982-12-14 1982-12-14 Photosensitive body cleaning device of electrophotographic copying machine Pending JPS59109080A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21781082A JPS59109080A (en) 1982-12-14 1982-12-14 Photosensitive body cleaning device of electrophotographic copying machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21781082A JPS59109080A (en) 1982-12-14 1982-12-14 Photosensitive body cleaning device of electrophotographic copying machine

Publications (1)

Publication Number Publication Date
JPS59109080A true JPS59109080A (en) 1984-06-23

Family

ID=16710089

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21781082A Pending JPS59109080A (en) 1982-12-14 1982-12-14 Photosensitive body cleaning device of electrophotographic copying machine

Country Status (1)

Country Link
JP (1) JPS59109080A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4707115A (en) * 1986-08-28 1987-11-17 Xerox Corporation Device for cleaning a charging member

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4707115A (en) * 1986-08-28 1987-11-17 Xerox Corporation Device for cleaning a charging member

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