JPS58181061A - Process kit and image forming device using this kit - Google Patents

Process kit and image forming device using this kit

Info

Publication number
JPS58181061A
JPS58181061A JP57064151A JP6415182A JPS58181061A JP S58181061 A JPS58181061 A JP S58181061A JP 57064151 A JP57064151 A JP 57064151A JP 6415182 A JP6415182 A JP 6415182A JP S58181061 A JPS58181061 A JP S58181061A
Authority
JP
Japan
Prior art keywords
kit
main body
cover
light
image
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
JP57064151A
Other languages
Japanese (ja)
Inventor
Akihiro Nomura
明宏 野村
Shigeyoshi Onoda
小野田 繁義
Fumio Nishino
西野 文夫
Shinji Kanemitsu
金光 伸二
Morikazu Mizutani
水谷 守一
Hiroshi Nitanda
二反田 宏
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP57064151A priority Critical patent/JPS58181061A/en
Priority to US06/381,685 priority patent/US4470689A/en
Priority to DE19823220538 priority patent/DE3220538A1/en
Priority to GB8216021A priority patent/GB2101933B/en
Publication of JPS58181061A publication Critical patent/JPS58181061A/en
Priority to HK46388A priority patent/HK46388A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/16Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/18Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
    • G03G21/1803Arrangements or disposition of the complete process cartridge or parts thereof
    • G03G21/1828Prevention of damage or soiling, e.g. mechanical abrasion
    • G03G21/1832Shielding members, shutter, e.g. light, heat shielding, prevention of toner scattering
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2221/00Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
    • G03G2221/16Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
    • G03G2221/1606Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for the photosensitive element
    • G03G2221/1609Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for the photosensitive element protective arrangements for preventing damage
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2221/00Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
    • G03G2221/16Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
    • G03G2221/1606Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for the photosensitive element
    • G03G2221/1609Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for the photosensitive element protective arrangements for preventing damage
    • G03G2221/1612Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for the photosensitive element protective arrangements for preventing damage plural shutters for openings of process cartridge
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2221/00Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
    • G03G2221/16Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
    • G03G2221/1648Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts using seals, e.g. to prevent scattering of toner
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2221/00Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
    • G03G2221/16Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
    • G03G2221/1651Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for connecting the different parts
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2221/00Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
    • G03G2221/16Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
    • G03G2221/1669Details about used materials
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2221/00Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
    • G03G2221/16Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
    • G03G2221/18Cartridge systems
    • G03G2221/183Process cartridge

Abstract

PURPOSE:To prevent deterioration of a photoreceptor due to external light, by covering the opening of the transfer station of a process kit contg. a photosensitive drum with a light shading cover, interlocking with drawing out the kit from the main body of a copying machine. CONSTITUTION:A process kit 14 comprising a photosensitive drum 3, an electrostatic charger 4, a developing device 5, and a cleaner 13 is inserted into the main body C of a copying machine, and a position fixing knob 17 is turned. A slide plate 26 is moved in the B' direction, by interlocking it with this turning, a light shading cover 18 having a dowel 21 engaged with the recess 34 of the plate 26 slides to open the opening (t) of a transfer station. On the contrary, when the knob 17 is turned before drawing out the kit 14, the cover 18 shuts the opening (t). The cover 18 may be moved by providing a stay plate having a groove engageable with the dowel 21 on the side of the main body, and interlocking the movement of the cover with insertion and drawing out of the kit 14.

Description

【発明の詳細な説明】 本発明は、像担持体と、該像担持体上に情報に応じ九1
歇を形成する像形成手段の一部又は全部を一体に有して
、装置本体圧着脱自在に構成し九プロセスキット又はこ
のキットを用い九−像形成装置に関するものである。
DETAILED DESCRIPTION OF THE INVENTION The present invention provides an image bearing member and an image bearing member having information on the image bearing member.
The present invention relates to a 9-process kit or a 9-image forming apparatus using this kit, in which a part or all of an image forming means for forming an intermittent is integrally formed and the apparatus main body is press-fittable and detachable.

以下、画像形成装置として゛−電子写真複写機例にあげ
て説明する。
Hereinafter, an example of an electrophotographic copying machine will be described as an image forming apparatus.

従来、電子写真複写機では、装置に内包する例えば像担
持体としての感光ドラムと、像形成手段としての現f象
器等を一体に組合せたプロセスキットを装置本体に着脱
可能にして、操作性の向上を図ることが提案されている
Conventionally, in an electrophotographic copying machine, a process kit that combines, for example, a photosensitive drum as an image bearing member and a developer as an image forming means, etc., is removably attached to the main body of the apparatus to improve operability. It has been proposed to improve the

しかしながら従来装置では、このキットを交換する際、
あるいはキットを本体から取シ外しておくと、中ツトに
保持されている像担持体としての例えば酸化亜鉛感光層
や有機半導体感光層を有する感光ドラムが光に曝されて
、この感光層が劣化する恐れがある。
However, with conventional equipment, when replacing this kit,
Alternatively, if the kit is removed from the main body, the photosensitive drum, which serves as an image carrier held in the center and has, for example, a zinc oxide photosensitive layer or an organic semiconductor photosensitive layer, will be exposed to light and this photosensitive layer will deteriorate. There is a risk that

そこで本発明は、このキットを用いる画壇形成装置をさ
らに改良したもので、例えばプロセスキット交換時ある
いはキットの本体よ妙の散り外し中像担持体の劣化を防
止することのできるプロセスキット又はこのキットを用
いる画像形成装置を提供するものである。
Therefore, the present invention is a process kit that further improves the image forming apparatus using this kit, and is capable of preventing deterioration of the image carrier when replacing the process kit or when the main body of the kit is scattered. The present invention provides an image forming apparatus using the image forming apparatus.

即ち上記目的を達成する本発明は、像担持体と、該像担
持体上に情報に応じ友像を形成する傷形成手段と、上記
像担持体と傷形成手段の一部又は全部を一体に有して装
置本体に着脱自在なプロセスキットと、該プロセスキッ
トに保持され九儂担持体への光を遮る遮光カバーと、該
遮光カバーを像担持体の表向を覆う第一の位置と該第−
の位置から退避した第二の位置とに移動する手段と、を
有することを%慮とする画壇形成装置を提供するもので
ある。さらに別の本発明は、像担持体と、禮偉担持体上
に情報に応じ九儂を形成する傷形成手段と、上記像担持
体と傷形成手段の一部又は全部を一体に有して装置本体
に着脱自在な枠体と、該枠体に像担持体への光を虐る遮
光カバーとを有することを%黴とするプロセスキットを
提供するものである。
That is, the present invention achieves the above object by integrating an image carrier, a scratch forming means for forming a friend image on the image carrier according to information, and a part or all of the image carrier and the scratch forming means. a process kit that is detachable from the image carrier; a light-shielding cover that is held in the process kit and blocks light from reaching the image carrier; No.-
The present invention provides an art stage forming device which includes means for moving from the first position to the second position. Still another aspect of the present invention includes an image carrier, a scratch forming means for forming a mark on the support member according to information, and a part or all of the image carrier and the scratch forming means integrated. The present invention provides a process kit that includes a frame that can be attached to and removed from an apparatus main body, and a light-shielding cover that blocks light from entering an image carrier on the frame.

以下、図面を用いて本発明の一実施例を説明する。An embodiment of the present invention will be described below with reference to the drawings.

まず、本発明を適用し得る複写機の一実施例について述
べる。
First, an embodiment of a copying machine to which the present invention can be applied will be described.

111図は複写機本体Oの断面図を示している。FIG. 111 shows a sectional view of the copying machine main body O.

図において、1はガラス等の透明部材よりなる原稿載置
台で、レールR上を矢印a方向に往復動する。2は短焦
点小径結181子アレイであり、原稿載置台1上に置か
れた原稿f* 0は照明ランプLKよって照射され、そ
の反射光儂はアレイ2によって感光ドラム3上にスリッ
ト露光される。ま九4は帯電器であり、例えば酸化亜鉛
感光層あるいは有機半導体感光層等を被覆さnた感光ド
ラム3上に一様帯電を行う。この帯電器4によシ一様に
帯電され九ドラム3は、素子アレイ2によって1偉露光
が行われ静電画像が形成される。この静電潜傷は、次に
#L像器5にょ抄顕像化される。−力積載台s上のシー
トPは、給送ローラ6と感光ドラム3上の画像と同期す
るようタイミングをとって回転するレジストローラ7に
よって、ドラム3上に送シ込まれる。
In the figure, reference numeral 1 denotes a document mounting table made of a transparent member such as glass, which reciprocates on a rail R in the direction of arrow a. Reference numeral 2 denotes a short-focus small-diameter 181-element array, in which the document f*0 placed on the document table 1 is irradiated by an illumination lamp LK, and the reflected light is slit-exposed onto the photosensitive drum 3 by the array 2. . A charger 4 uniformly charges the photosensitive drum 3 coated with, for example, a zinc oxide photosensitive layer or an organic semiconductor photosensitive layer. The nine drums 3 are uniformly charged by the charger 4 and exposed to light by the element array 2 to form an electrostatic image. This electrostatic latent flaw is then visualized using the #L imager 5. - The sheet P on the force stacking table s is fed onto the drum 3 by the feed roller 6 and the registration roller 7 which rotates in synchronization with the image on the photosensitive drum 3.

そして、転写帯電器8によって感光ドラム3上のトナー
像は、シートP上に転写される。その後、分離手段91
によってドラム3から分離されたシートPは、ガイド9
によって定着装置10に導かれシー)P上のトナー像が
定着された後に、排出ローラ11によりトレイ12上に
排出される。
Then, the toner image on the photosensitive drum 3 is transferred onto the sheet P by the transfer charger 8. After that, the separating means 91
The sheet P separated from the drum 3 by the guide 9
After the toner image on the sheet P is fixed, the toner image is discharged onto a tray 12 by a discharge roller 11.

を九ここで本実施例では、感光ドラム3、帯電器4、現
偉器5、クリーナ13及びフィルター16は一体となっ
てプロ七−キット14を構成している。このプロセスキ
ット14は、第2図に示す様に本体に対して抜き差し自
在即ち着脱自在に設けられてお)、本体に装填する際に
は本体側ガイド15にプロセスキット14の枠体14&
の摺動部14bが係合して案内される。なお第2図で、
キット14は個々のユニットを示す為に、ユニットの枠
体14aのない状態で示しである。また第6図は枠体1
4aを取9付けた状態のプロセスキットの斜視図であり
、15は画像側光の九がドラム5上に照射される為の窓
であ抄、16はフィルタ一部材である。また17は抜は
防止用のレバーであり、キット14を本体OK懐填した
際、キット14を装填位置へ位置決めするものである。
In this embodiment, the photosensitive drum 3, the charger 4, the charger 5, the cleaner 13, and the filter 16 are integrated into a professional kit 14. As shown in FIG. 2, this process kit 14 is installed so that it can be inserted into and removed from the main body (in other words, it can be detached).
The sliding portion 14b is engaged and guided. In addition, in Figure 2,
Kit 14 is shown without unit frames 14a to show the individual units. Also, Figure 6 shows the frame 1
It is a perspective view of the process kit with 4a attached. 15 is a window for irradiating the image side light onto the drum 5, and 16 is a filter member. Reference numeral 17 is a lever for preventing removal, and is used to position the kit 14 to the loading position when the kit 14 is loaded into the main body.

またDは本体Cの前扉であって本体Cに対して開閉可能
で、第2図では下側をヒンジにして開放されている。
Further, D is a front door of the main body C, which can be opened and closed with respect to the main body C, and in FIG. 2, it is opened with the lower side hinged.

さて次に、複写機本体Cからこのプロセスキット14を
散り外す際、キット14に保持した感光ドラム5表面に
光が当たらない様に遮光する遮光カバーの移動機構につ
いて述べる。
Next, a mechanism for moving a light shielding cover that blocks light from hitting the surface of the photosensitive drum 5 held in the kit 14 when the process kit 14 is removed from the copying machine main body C will be described.

まず本実施例では、キット14はそれが本体Cに装填さ
れ友際に転写帯電@8と対向する部分に転写域開口tが
設けられている。そしてキット14の枠体141には、
この開口tの両端部にレール19.20が設けられてい
る(第4図)。
First, in this embodiment, the kit 14 is loaded into the main body C and is provided with a transfer area opening t at a portion facing the transfer charging @8. And in the frame 141 of the kit 14,
Rails 19, 20 are provided at both ends of this opening t (FIG. 4).

さらKこのレール19.20 Kは光を遮る遮光力/く
−18がスライド自在に嵌め込まれてお妙、開口tを開
閉する。この遮光カバー18は、第5図に示す様に一部
が円弧の形状をしてお抄、ま九プラスチック板、金属板
等の不透明部材で出来ているので、第4図に示す如く開
口tを閉じて感光体3を覆って感光体表面に光が当らな
い様遮光する位置に安定し、外力が加わらなければこの
位置を保持する。さらにこのカッ(−18の両端には、
ダボ21.22が設けられている。
Furthermore, this rail 19.20 K has a light-shielding power to block light.The rail 18 is fitted in a slidable manner to open and close the opening t. As shown in FIG. 5, this light-shielding cover 18 has a partially arcuate shape and is made of an opaque material such as a plastic plate, a metal plate, etc., and has an opening t as shown in FIG. It is stabilized at a position where it is closed and covers the photoreceptor 3 to block light from hitting the surface of the photoreceptor, and this position is maintained unless external force is applied. Furthermore, at both ends of this Ka (-18),
Dowels 21, 22 are provided.

一方本体Cに設けられた抜は防止用レバー17は、第6
図の様にム、B位置間を移動可能で、ムの位置にある場
合はプロセスキット14を本体Cから抜き出すことが出
来るが、Bの位置にある場合は、レバー17が邪魔して
プロセスキット14は本体Cから抜き出すことができな
い構成になっている。さらに第7図に示す様に、このレ
バー174D軸25にはアーム24.25が固設されて
いて、レバー17と同期して中は〉ム、B間を回動する
。ま九本体Cの後側板(図示せず)にはビン28 、2
9が設けられ、スライド板26がビン28,29が係合
する鼻@ 50.51 K沿ってスライド自在に取9付
けられている。このスライド板26にはビン52が突出
しており、アーム24の長#$53に嵌合している。そ
こで、レバー17がムからBの位置に回動することに連
動して、スライド板26はム′からB′の方向にスライ
ドする。まえ本体の前側板(図示せず)に取付けられ九
スライド板27も同様の構成であ〉、レバー17がムか
らBの位置に動けば、スライド板27もやはりそれに連
動してム′からB′の方向にスライドする。
On the other hand, the removal prevention lever 17 provided on the main body C is the sixth
As shown in the figure, the process kit 14 can be moved between positions C and B, and when it is in the position M, the process kit 14 can be removed from the main body C, but when it is in the B position, the lever 17 interferes with the process kit 14. 14 is configured so that it cannot be extracted from the main body C. Further, as shown in FIG. 7, an arm 24, 25 is fixed to the shaft 25 of this lever 174D, and the arm 24, 25 rotates between 〉 and B in synchronization with the lever 17. The rear plate (not shown) of the main body C has bins 28 and 2.
9 is provided, and a slide plate 26 is slidably attached along the nose @ 50.51 K in which the bins 28 and 29 engage. A pin 52 protrudes from the slide plate 26 and fits into the length #$53 of the arm 24. Therefore, as the lever 17 rotates from position M to position B, the slide plate 26 slides from position M' to position B'. The slide plate 27 attached to the front side plate (not shown) of the main body has a similar structure. When the lever 17 moves from M to position B, the slide plate 27 also moves in conjunction with the movement from M' to B. Slide in the direction of '.

さてここで、スライド板26.27には切)欠き54.
55が設けられており、プロセスキット140本体Cへ
の装填時に、カバー18の前述ダボ21.22と嵌合す
る様になっている。この状態を第8図(示す。第8図は
プロセスキット140本体Cへの挿入時又は引き抜き時
を示す断面図で、こ0時はレバー17はムの位置にあり
、スライド板26の切り欠き34はカバー18が感光体
ドラム3を覆ってドラム5に光が当たらない様に!!光
する位置にある状態でダボ21と嵌合している。そこで
プロセスキット14を本体Cへ挿入後キット14を本体
Cに位置決めして装填する九めにレバー17をBの位置
に、II動させると、スライド板26.27はB′の方
向にスライドし、カバー18もそれに連動してB′の方
向へスライドし、開口tを開いて感光体ドラム3を露出
させコピー可能な状態となる(第9図)。
Now, here, the slide plates 26 and 27 have notches 54.
55, which fit into the aforementioned dowels 21 and 22 of the cover 18 when the process kit 140 is loaded into the main body C. This state is shown in FIG. 34 is fitted with the dowel 21 in a position where the cover 18 covers the photoreceptor drum 3 and prevents the drum 5 from being exposed to light.Therefore, after inserting the process kit 14 into the main body C, the kit When the lever 17 is moved to the B position II in the ninth position of the main body C and loaded, the slide plates 26 and 27 slide in the direction of B', and the cover 18 also moves in the direction of B' in conjunction with this. direction, the opening t is opened, the photosensitive drum 3 is exposed, and the photosensitive drum 3 is ready for copying (FIG. 9).

なお、スライド板26.27の間隔及びダボ21,22
の間隔はコピー紙の巾より大きいので、コピー紙が通過
する進路を邪魔することはない。
In addition, the interval between the slide plates 26 and 27 and the dowels 21 and 22
Since the interval is larger than the width of the copy paper, it does not obstruct the path of the copy paper.

次にプロセスキット14を本体Cより引き抜く時には、
キット14の移動を可能ならしめる丸めレバー17はム
の位置に動くので、カバー18はそれに連動して開口t
を閉じた状ml(第8図)とな)、感光体ドラムSに光
が当走って劣化するのを防止してドラム3を保鰻する。
Next, when pulling out the process kit 14 from the main body C,
Since the rounding lever 17 that enables the movement of the kit 14 moves to the position t, the cover 18 moves in conjunction with the opening t.
When the drum 3 is closed (as shown in FIG. 8), the drum 3 is protected by preventing light from hitting the photosensitive drum S and deteriorating it.

なお前記実施例中、カバー18はクリックを設けて開及
び閉の位置を保持する様にしても良い。(r丸、スプリ
ング等によって常に開あるいは閉の位置に付勢されてい
ても良い。
In the above embodiment, the cover 18 may be provided with a click to hold the cover in the open and closed positions. (It may be always biased to the open or closed position by an r-circle, a spring, etc.

この様に本実施例では、キットを本体へ装填する際ある
いは本体から取り外す際に、その動作に連動してカバー
が移動するので、確実に感光体ドラムの連光を行なうこ
とができる。
In this manner, in this embodiment, when the kit is loaded into or removed from the main body, the cover moves in conjunction with the operation, so that the photoreceptor drum can be reliably illuminated.

なおりバー18を駆動する機構は、プランジャを利用し
て行なっても良く、あるいはプロセスキット14を装填
する時のプロセスキット140本体0に対するスライド
を利用しても艮い。
The mechanism for driving the guide bar 18 may be performed by using a plunger, or by using a slide relative to the process kit 140 main body 0 when loading the process kit 14.

以上述べ丸様に本実施例によれば、キット14を本体0
から取り出す際、感光ドラム3の簿出部(即ち、枠体1
4aに転写のために設けられている転写開口tと対応す
る部分)を、カバー18で櫨うことができる。そこで感
光ドラム3は光を逓られて即ち、感光層の劣化を招ねく
ことなく、キット14を本体0から取や出すことができ
、またキット14を本体Cから*抄出し友まま保存する
ことができる。
As stated above, according to this embodiment, the kit 14 is
When taking out the photosensitive drum 3 from the storage area (i.e., the frame 1
The cover 18 can cover a portion corresponding to the transfer opening t provided in the transfer opening 4a for transfer. Therefore, the kit 14 can be removed from the main body 0 without light being filtered through the photosensitive drum 3, that is, without causing deterioration of the photosensitive layer, and the kit 14 can also be removed from the main body C and stored as is. be able to.

i九この遮光カバー18の材質を適宜選択すれば、遮光
のみならず感光ドラム5の表面の損傷を防止することも
できる。
(9) By appropriately selecting the material of the light-shielding cover 18, it is possible to not only shield light but also prevent damage to the surface of the photosensitive drum 5.

なおりバー18の材質としては、鉄、アルミニュウム等
の金属あるいは不透明な樹脂さらには木製等の不透明部
材ならば公知の種々の材質を用いることができる。を九
これら材質のうち弾力性を有する材質を用いれば、よ抄
円滑にカバーの開閉操作を行なうことができる。さらに
これら材質のうち耐倫撃性の材質を選択すれば、感光ド
ラムSをカバーで覆って露出することなくキットを着脱
することができるので、感光ドラムSを手で触れること
なく、を九損傷することもない。
As the material for the guide bar 18, various known materials can be used as long as they are metals such as iron and aluminum, opaque resins, and opaque members such as wood. Among these materials, if a material with elasticity is used, the cover can be opened and closed smoothly. Furthermore, if you select a material that is impact resistant from among these materials, you can cover the photosensitive drum S and install and remove the kit without exposing it. There's nothing to do.

を九本実施例は、キットの本体Cへの着脱時に限って遮
光を行なうものではなく、例えば本体Cを修還する際前
扉等を開ける際にも、このレバーの操作によってカバー
を移動して感光体の遮光をすることもできる。
In this embodiment, light is blocked not only when the kit is attached to and removed from main body C, but also when opening the front door etc. when repairing main body C, for example, the cover is moved by operating this lever. It is also possible to shield the photoreceptor from light.

さらに、キットの本体への装填あるいはkliL!ll
出し時の移動に連動して、カバーを駆動する例を示す。
Furthermore, loading the kit into the main body or kliL! ll
An example will be shown in which the cover is driven in conjunction with the movement when taking out the cover.

第10図は複写機本体OKプロセス會ット14が挿入さ
れていて、カバー18が開いている状態を示している。
FIG. 10 shows a state in which the copying machine main body OK process unit 14 is inserted and the cover 18 is open.

本体Cには、挿入されるキット14のカバー18と対向
する位置にステー36が設けられている。そして第11
図に示す様に、このステー56上にはS字型の!#I#
57が設けられている。
A stay 36 is provided on the main body C at a position facing the cover 18 of the kit 14 to be inserted. and the 11th
As shown in the figure, on this stay 56 there is an S-shaped! #I#
57 are provided.

又第12図に示す様に、プロセスキット14のカバー1
8にはその挿入方向の略中央で開閉方向側端にビン58
が設けられていて、ムからBにビン58が動かされるこ
とによシカバー18が開く構成となっている。そこでプ
ロセスキット14を本体OKその半ばまで挿入すると、
第11図で示すム1の位置でビン38と兼溝57がかみ
合い、さらにキット14の挿入を続けるとビン5Bは長
#I37に案内されて、最終的にBの位置に@る。これ
はプロセスキット14から見ればビン58がムからBt
で移動したことKなるので、カバー18は閉から開の状
態になる。
Also, as shown in FIG. 12, the cover 1 of the process kit 14
8 has a bottle 58 at the end in the opening/closing direction at approximately the center in the insertion direction.
is provided, and the cover 18 is opened when the bottle 58 is moved from B to B. So, when you insert the process kit 14 to the middle of the main body,
The bin 38 and groove 57 are engaged with each other at the position of the pin 1 shown in FIG. 11, and as the kit 14 is further inserted, the bottle 5B is guided by the length #I 37 and finally reaches the position B. This means that when viewed from the process kit 14, the bin 58 is from Bt.
Since the cover 18 is moved from the closed state to the open state.

逆にプロセスキット14を本体Cから引き抜けば、同様
にしてカバー18は開から閉の状11になる。なお91
0図は第11図を!νの纏で切断し九断面図である。こ
の様に本実施例では、プロセスキット14を複写機本体
OK装填する動作、あるいは本体Cから取す出す動作に
連動してカバー18の開閉を行なうことができる。
Conversely, if the process kit 14 is pulled out from the main body C, the cover 18 changes from the open state to the closed state 11 in the same way. Furthermore, 91
Figure 0 is Figure 11! This is a cross-sectional view taken along the line ν. In this manner, in this embodiment, the cover 18 can be opened and closed in conjunction with the operation of loading the process kit 14 into the main body of the copying machine or the operation of removing it from the main body C.

この4]11に本実施例によれば、プロセスキットを本
体から抜き出した時には、常に感光体ドラムがカバーに
よって遮光されているので、感光体が劣化することがな
い。まえカバーを耐IlI撃性の材質で形成すればさら
にユーザーが感光体に触れたに、何かくぶつけたシして
感光体を傷つける危険から解放される。
According to this embodiment, the photoreceptor drum is always shielded from light by the cover when the process kit is removed from the main body, so that the photoreceptor does not deteriorate. If the front cover is made of a material that is resistant to IlI impact, the user is freed from the risk of damaging the photoreceptor by hitting it with something when it touches the photoreceptor.

なお本実施例では、像担持体として感光ドラムを用いた
例のみを示し九が、本発明はこれに限定されることなく
例えば絶縁ドラム等を用いても良いし、さらKは磁気潜
傷等を用いて像を形成しても良い。
In this embodiment, only an example in which a photosensitive drum is used as an image bearing member is shown. The image may be formed using

ま九本実施例では、プロセスキットには感光ドラムの他
に、儂形成手段として現俸器、クリーナ、帯電器等を一
体に組込んだ例のみを示し九が、本@明はこれに限定さ
れることはなく、例えば儂形成手段の一部クリーナと像
担持体あるいは現儂器と像担持体、またはクリーナと帯
電器と像担持体等の組合せでプロセスキットに一体に組
込んでも良いことは勿論である。即ち、プcl−にスキ
ットは像担持体と惨形成手段の一部又は全部を一体に有
していれは喪い。
9. In this embodiment, in addition to the photosensitive drum, only an example is shown in which the process kit includes a current forming device, a cleaner, a charger, etc. as a forming means.9 However, this @Mei is limited to this. For example, a combination of a part of my forming means, a cleaner and an image carrier, a developing device and an image carrier, or a cleaner, a charger, and an image carrier, may be integrated into a process kit. Of course. In other words, it is not possible for the skit to include part or all of the image carrier and the image forming means in one piece.

以上述べ友様に本発明によれば、プロセスキットに保持
された像担持体をカバーによって連光して像担持体の劣
化を防止することのできるプロセスキット及びこのキッ
トを用いる爾儂形成装置を提供することができる。
As described above, according to the present invention, there is provided a process kit that can prevent deterioration of the image carrier by continuously exposing the image carrier held in the process kit to a cover, and an image forming apparatus using this kit. can be provided.

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

第1図は本発明を適用し得る複写機本体の断面図、#I
2図はその斜視図、第3図はプg竜スキットの斜視図、
第4図はプロセスキットにカバーが付い良状態の斜視図
、第5図はカバーの斜視図、第6図はプロセスキットの
抜は止めレバーの動作を示し光圧面図、第7図はカバー
の駆動装置の斜視図、第8図はカバーが閉じている状態
を示す正面図、[9図はカバーが開いている状態を示す
正面図、第10図は本発明の他の実施例を適用した複4
機の断面図、第11図はステーの部分の斜視図、第12
図はキットの斜視図である。図において、 3・・・感光体ドラム 14・・・プロセスキット 11・・・抜は止めレバー 18・・・感光体ドラム保躾カバー 21.22・・・保護カバーのダボ 23・・・レバーの軸 2425 ・・・アーム 26.27 ・・・スライド板 54.55・・・スライド板の切に欠き56・・・ステ
ー s7・・・畏婢 38・・・ビン 出願人 キャ′y株式*、、q、: 第))図
FIG. 1 is a sectional view of the main body of a copying machine to which the present invention can be applied, #I
Figure 2 is a perspective view of it, Figure 3 is a perspective view of the Pug Dragon skit,
Figure 4 is a perspective view of the process kit with the cover in good condition, Figure 5 is a perspective view of the cover, Figure 6 is a light pressure surface view showing the operation of the process kit removal prevention lever, and Figure 7 is the cover. A perspective view of the drive device; FIG. 8 is a front view with the cover closed; FIG. 9 is a front view with the cover open; FIG. Double 4
Figure 11 is a cross-sectional view of the machine, and Figure 11 is a perspective view of the stay.
The figure is a perspective view of the kit. In the figure, 3... Photoconductor drum 14... Process kit 11... Removal stop lever 18... Photoconductor drum maintenance cover 21.22... Protective cover dowel 23... Lever Shaft 2425...Arm 26.27...Slide plate 54.55...Slide plate notch 56...Stay s7...Koku 38...Bin applicant Kya'y stock*, ,q,: th))Fig.

Claims (2)

【特許請求の範囲】[Claims] (1)  像担持体と、 蚊像担持体上に情報に応じ九像を形成する像形成手段と
、 上紀偉担持体と像形成手段の一部又は全部を一体に有し
て装置本体に着脱自在なプロセスキットと、 咳プロセスキットに保持され九像担持体への光を蓮る遮
光カバーと、 該遮光カバーを像担持体の表面を覆う第一の位置と該第
−の位置から退避し九第二の位置とに移動する手段と、 を有することを特徴とする画像形成装置。
(1) An image carrier, an image forming means for forming nine images according to information on the mosquito image carrier, and a device main body that integrally includes part or all of the upper Kiwei image carrier and the image forming means. a removable process kit; a light-shielding cover held in the cough process kit to allow light to reach the image carrier; and a light-shielding cover that is retracted from a first position covering the surface of the image carrier and a second position. An image forming apparatus comprising: means for moving the first position to the second position; and a second position.
(2)  前記カバーがキットの装置本体への装填ある
いは取り出し時の移動に連動して駆動することを特徴と
する特許請求の範囲第(1)項に記載の画像形成装置。 (S)像担持体と、 該像担持体上に情報に応じ友像を形成する像形成手段と
、 上記像担持体と像形成手段の一部又は全部を一体に有し
て装置本体に着脱自在な枠体と、該砕体に1線担持体へ
の光を迩る透光カッ(−とを有することを%*とするプ
ロセスキット。
(2) The image forming apparatus according to claim (1), wherein the cover is driven in conjunction with the movement of the kit when loading or unloading the kit into the apparatus main body. (S) An image carrier, an image forming means for forming a companion image on the image carrier according to information, and a part or all of the image carrier and the image forming means integrated into one and detachable from the main body of the apparatus. A process kit having a flexible frame and a light-transmitting cup (-) for transmitting light to the crushed body to the one-line carrier.
JP57064151A 1981-06-02 1982-04-16 Process kit and image forming device using this kit Pending JPS58181061A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP57064151A JPS58181061A (en) 1982-04-16 1982-04-16 Process kit and image forming device using this kit
US06/381,685 US4470689A (en) 1981-06-02 1982-05-25 Image forming apparatus and process unit
DE19823220538 DE3220538A1 (en) 1981-06-02 1982-06-01 IMAGE GENERATION DEVICE
GB8216021A GB2101933B (en) 1981-06-02 1982-06-02 Image formation apparatus
HK46388A HK46388A (en) 1981-06-02 1988-06-23 An image forming apparatus and a process unit thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57064151A JPS58181061A (en) 1982-04-16 1982-04-16 Process kit and image forming device using this kit

Publications (1)

Publication Number Publication Date
JPS58181061A true JPS58181061A (en) 1983-10-22

Family

ID=13249783

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57064151A Pending JPS58181061A (en) 1981-06-02 1982-04-16 Process kit and image forming device using this kit

Country Status (1)

Country Link
JP (1) JPS58181061A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6396671A (en) * 1986-10-13 1988-04-27 Mita Ind Co Ltd Image forming device
JPH04194890A (en) * 1990-11-22 1992-07-14 Tokyo Electric Co Ltd Sensitive unit for electrophotographic device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6396671A (en) * 1986-10-13 1988-04-27 Mita Ind Co Ltd Image forming device
JPH04194890A (en) * 1990-11-22 1992-07-14 Tokyo Electric Co Ltd Sensitive unit for electrophotographic device

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