JP2000310902A - Developing device and processing cartridge - Google Patents
Developing device and processing cartridgeInfo
- Publication number
- JP2000310902A JP2000310902A JP11119815A JP11981599A JP2000310902A JP 2000310902 A JP2000310902 A JP 2000310902A JP 11119815 A JP11119815 A JP 11119815A JP 11981599 A JP11981599 A JP 11981599A JP 2000310902 A JP2000310902 A JP 2000310902A
- Authority
- JP
- Japan
- Prior art keywords
- gear
- shutter
- process cartridge
- shutter member
- developing
- 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.)
- Withdrawn
Links
Landscapes
- Dry Development In Electrophotography (AREA)
- Electrophotography Configuration And Component (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、電子写真画像形成
装置本体に着脱されるプロセスカートリッジおよび現像
装置に関するものである。[0001] 1. Field of the Invention [0002] The present invention relates to a process cartridge and a developing device which are attached to and detached from an electrophotographic image forming apparatus main body.
【０００２】ここで、電子写真画像形成装置とは、電子
写真画像形成方式を用いて記録媒体に画像を形成する物
である。そして、電子写真画像形成装置の例としては、
例えば電子写真複写機、電子写真プリンタ（例えばレー
ザービームプリンタ、ＬＥＤプリンタ等）ファクシミリ
装置及びワードプロセッサ等が含まれる。Here, an electrophotographic image forming apparatus forms an image on a recording medium using an electrophotographic image forming method. And, as an example of the electrophotographic image forming apparatus,
For example, an electrophotographic copying machine, an electrophotographic printer (for example, a laser beam printer, an LED printer, and the like), a facsimile machine, a word processor, and the like are included.
【０００３】また、プロセスカートリッジとは、帯電手
段、現像手段またはクリーニング手段と電子写真感光体
ドラムとを一体的にカートリッジ化し、このカートリッ
ジを画像形成装置本体に対して着脱可能とする物であ
る。及び帯電手段、現像手段、クリーニング手段の少な
くとも１つと電子写真感光体ドラムとを一体的にカート
リッジ化して画像形成装置本体に着脱可能とするもので
ある。更に、少なくとも現像手段と電子写真感光体ドラ
ムとを一体的にカートリッジ化して装置本体に着脱可能
とするものをいう。A process cartridge is a unit in which a charging unit, a developing unit or a cleaning unit and an electrophotographic photosensitive drum are integrally formed into a cartridge, and this cartridge is made detachable from an image forming apparatus main body. In addition, at least one of the charging unit, the developing unit, and the cleaning unit and the electrophotographic photosensitive drum are integrally formed into a cartridge so that the cartridge can be attached to and detached from the image forming apparatus main body. Further, it means that at least the developing means and the electrophotographic photosensitive drum are integrally formed into a cartridge so as to be detachable from the apparatus main body.
【０００４】[0004]
【従来の技術】プリンタ等の画像形成装置は、一様に帯
電させた電子写真感光体に選択的な露光をして潜像を形
成し、この潜像をトナーで顕像化すると共に、該トナー
像を記録媒体に転写して画像記録を行う。このような装
置にあっては、トナーがなくなる都度補給しなければな
らない。2. Description of the Related Art An image forming apparatus such as a printer forms a latent image by selectively exposing a uniformly charged electrophotographic photosensitive member, and visualizes the latent image with toner. An image is recorded by transferring the toner image to a recording medium. In such an apparatus, it is necessary to supply toner every time the toner runs out.
【０００５】そこで、電子写真画像形成プロセスを用い
た画像形成装置においては、電子写真感光体及び前記電
子写真感光体に作用するプロセス手段を一体的にカート
リッジ化して、このカートリッジを画像形成装置本体に
着脱可能とするプロセスカートリッジ方式が採用されて
いる。このプロセスカートリッジ方式によれば、装置の
メンテナンスをサービスマンによらずにユーザー自身で
行うことができるので、格段に操作性を向上させること
ができた。そこでこのプロセスカートリッジ方式は、画
像形成装置において広く用いられている。Therefore, in an image forming apparatus using an electrophotographic image forming process, the electrophotographic photosensitive member and the process means acting on the electrophotographic photosensitive member are integrally formed into a cartridge, and this cartridge is mounted on the main body of the image forming apparatus. A detachable process cartridge system is employed. According to this process cartridge system, the maintenance of the apparatus can be performed by the user himself without relying on a serviceman, so that the operability can be remarkably improved. Therefore, this process cartridge system is widely used in image forming apparatuses.
【０００６】このような装置にあっては、前記プロセス
カートリッジを装置本体に装着し、プロセスカートリッ
ジ内に設けられた現像剤収納容器に内蔵された現像剤を
使いきるまで徐々に現像スリーブや電子写真感光体に供
給するものである。In such an apparatus, the process cartridge is mounted on the apparatus main body, and a developing sleeve or an electrophotographic apparatus is gradually used until the developer contained in a developer accommodating container provided in the process cartridge is used up. It is supplied to the photoreceptor.
【０００７】ところで主に前記現像剤収納容器の開口部
は、薄いシートのカバー部材で封止されている。現像剤
を供給する際には、該カバー部材を外部から引き抜き除
去し開封する操作を行う。これにより、現像剤収納容器
に収納されている現像剤を開封した開口部から、現像ス
リーブ等へ流出させて供給する。このカバー部材はイー
ジーピールフィルムと呼ばれている。[0007] The opening of the developer accommodating container is mainly sealed with a thin sheet cover member. When supplying the developer, an operation of pulling out the cover member from the outside, removing the cover member, and opening the cover member is performed. Thus, the developer stored in the developer storage container flows out from the opened opening to the developing sleeve or the like and is supplied. This cover member is called an easy peel film.
【０００８】カバー部材によって開口部を密封した現像
剤収納容器と、現像容器を結合し、且つシール部材を引
き抜いた後も現像剤収納容器と現像容器間から現像剤が
漏れないように、発泡ポリウレタンからなるシール部材
を両面テープ等によって現像容器に貼着している。[0008] A foamed polyurethane container is provided so as to prevent the developer from leaking from between the developer container and the developer container even after the developer container is connected to the developer container having an opening sealed by a cover member and the seal member is pulled out. Is adhered to the developing container with a double-sided tape or the like.
【０００９】[0009]
【発明が解決しようとする課題】本発明は上述従来の技
術を更に発展させたものである。The present invention is a further development of the above-mentioned prior art.
【００１０】本発明では、開口部を封止している部材を
プロセスカートリッジ又は現像装置内で移動させること
で、外部へ取り外して処理を要する部材をなくし、さら
に開口を封止している部材をユーザーの手をわずらわせ
ることなく移動させてやることで、より操作性及び再利
用性の良いプロセスカートリッジ及び現像装置を提供し
ようとするものである。According to the present invention, the member sealing the opening is removed by moving the member sealing the opening in the process cartridge or the developing device, thereby eliminating the member that needs to be removed and processing. An object of the present invention is to provide a process cartridge and a developing device that are more operable and reusable by moving the user without bothering the user.
【００１１】[0011]
【課題を解決するための手段】主要な本発明は請求項と
対応する番号を付して示せば以下のとおりである。The main aspects of the present invention are as described below with reference to the claims.
【００１２】本出願に係る第１の発明は画像形成装置本
体に着脱可能なプロセスカートリッジにおいて、電子写
真感光体ドラムと、前記電子写真感光体ドラムに形成さ
れた潜像を現像剤を用いて現像装置と、を有し、前記現
像装置は、現像スリーブと、現像スリーブを支持する現
像容器と、前記現像スリーブへ供給する現像剤を貯留す
ると共に現像スリーブへ通ずる開口を有する現像剤容器
と、前記開口を閉じた位置から現像スリーブと直角方向
に前記開口を開く位置へ移動可能なシャッタ部材と、前
記シャッタ部材の移動手段と、を有することを特徴とす
るプロセスカートリッジである。According to a first aspect of the present invention, there is provided a process cartridge detachably mountable to an image forming apparatus main body, wherein an electrophotographic photosensitive drum and a latent image formed on the electrophotographic photosensitive drum are developed using a developer. A developing device, the developing device includes a developing sleeve, a developing container supporting the developing sleeve, a developer container having an opening for storing the developer supplied to the developing sleeve and communicating with the developing sleeve, and A process cartridge comprising: a shutter member movable from a position where the opening is closed to a position where the opening is opened in a direction perpendicular to the developing sleeve; and a moving means of the shutter member.
【００１３】本出願に係る第１６の発明は画像形成装置
本体に着脱可能な現像装置において、現像スリーブと、
現像スリーブを支持する現像容器と、前記現像スリーブ
へ供給する現像剤を貯留すると共に現像スリーブへ通ず
る開口を有する現像剤容器と、前記開口を閉じた位置か
ら、現像スリーブと直角方向に前記開口を開く位置へ移
動可能なシャッタ部材と、前記シャッタ部材の移動手段
と、を有することを特徴とする現像装置である。According to a sixteenth aspect of the present invention, there is provided a developing device detachable from an image forming apparatus main body, comprising: a developing sleeve;
A developing container that supports the developing sleeve, a developer container that stores the developer to be supplied to the developing sleeve and has an opening that communicates with the developing sleeve; and, from a position where the opening is closed, opens the opening in a direction perpendicular to the developing sleeve. A developing device comprising: a shutter member movable to an open position; and means for moving the shutter member.
【００１４】[0014]
【発明の実施の形態】本実施の形態において長手方向と
は感光ドラムと平行な方向をいう。感光ドラムは記録媒
体の搬送方向に直交し記録媒体に平行な方向に平行であ
る。BEST MODE FOR CARRYING OUT THE INVENTION In this embodiment, a longitudinal direction is a direction parallel to a photosensitive drum. The photosensitive drum is orthogonal to the transport direction of the recording medium and parallel to a direction parallel to the recording medium.
【００１５】（実施の形態１）図１乃至図３は本発明の
実施の形態１を示す。図１はプロセスカートリッジの断
面図を示す。(Embodiment 1) FIGS. 1 to 3 show Embodiment 1 of the present invention. FIG. 1 is a sectional view of the process cartridge.
【００１６】プロセスカートリッジＡは、クリーニング
容器１、現像容器２、現像剤容器３（以下トナー容器と
称す）等から構成される。The process cartridge A includes a cleaning container 1, a developing container 2, a developer container 3 (hereinafter, referred to as a toner container), and the like.
【００１７】クリーニング容器１を構成する枠体には像
担持体としての感光ドラム４及び感光ドラム４に作用す
るクリーニング手段としてのクリーニグブレード５、帯
電手段としての帯電ローラ６等が収容されている。クリ
ーニングブレード５によって感光ドラム４からかき落と
された除去トナー（図示せず）は、除去トナー室７に収
容される。現像容器２には現像剤担持体としての現像ス
リーブ８及び現像スリーブ８表面の現像剤層厚を均一に
維持する為の層厚規制手段９等が収容されている。A frame constituting the cleaning container 1 contains a photosensitive drum 4 as an image carrier, a cleaning blade 5 acting as a cleaning means acting on the photosensitive drum 4, a charging roller 6 as a charging means, and the like. . The removed toner (not shown) scraped off from the photosensitive drum 4 by the cleaning blade 5 is stored in the removed toner chamber 7. The developing container 2 contains a developing sleeve 8 as a developer carrying member and a layer thickness regulating means 9 for maintaining a uniform developer layer thickness on the surface of the developing sleeve 8.
【００１８】また、トナー容器３には未使用のトナーＴ
が収容され、攪拌手段３ｂ等が収められている。トナー
容器３の前記現像スリーブ８に相対する面には、前記ト
ナーＴを現像スリーブ８に供給する為の開口３ａが設け
られている。また、現像容器２にも開口２ａが設けられ
ている。プロセスカートリッジＡが未使用状態の時には
開口２ａ，３ａの間にはトナーＴと現像スリーブ８とを
遮蔽する為の現像容器トナー容器間シャッタ部材（以下
ＤＴシャッタ部材という）１０ａが設けられている。In the toner container 3, unused toner T
Is accommodated, and the stirring means 3b and the like are accommodated. An opening 3 a for supplying the toner T to the developing sleeve 8 is provided on a surface of the toner container 3 facing the developing sleeve 8. The developing container 2 also has an opening 2a. When the process cartridge A is not in use, a shutter member (hereinafter referred to as a DT shutter member) 10a between the developing containers for shielding the toner T and the developing sleeve 8 is provided between the openings 2a and 3a.
【００１９】ここで前記現像容器２と前記トナー容器３
とは、前記ＤＴシャッタ部材１０ａ及びシール部材２ｄ
を挟み込んで、最も外側の４つの周辺即ち、外周側を連
続して囲むようにリブ２ｃを溶着等の手段で一体に結合
されている。リブ２ｃは現像剤容器３の面３ｅと対向接
合される現像容器２の面２ｇに設けてある。このように
現像容器２とトナー容器３がその接合部外周側が全周に
わたり溶着（なお接着も可能）されているため、フレー
ム構成が強固でトナー漏れのおそれがない。Here, the developing container 2 and the toner container 3
Means the DT shutter member 10a and the seal member 2d
And the ribs 2c are integrally joined by means such as welding so as to continuously surround the four outermost peripheral portions, that is, the outer peripheral side. The rib 2c is provided on a surface 2g of the developing container 2 which is opposed to and joined to the surface 3e of the developer container 3. As described above, since the outer peripheral side of the joint between the developing container 2 and the toner container 3 is welded over the entire periphery (adhesion is also possible), the frame configuration is strong and there is no possibility of toner leakage.
【００２０】また、現像容器２とクリーニング容器１と
は、前記感光ドラム４と現像スリーブ８との外周面同士
が所望の間隔（本実施の形態では約３００μｍ）を安定
して維持することが可能な機構で連結されている。すな
わち、現像スリーブ８の長手方向の両端近傍（画像領域
の外側）には、前記の間隔（約３００μｍ）に相当する
肉厚を有する円筒部材８ａが嵌入され、また現像容器２
とクリーニング容器１とは軸２ｂを中心に回動可能に連
結されている。更に、前記現像容器２はばね等の付勢手
段（図示せず）により軸２ｂを中心に時計方向に付勢さ
れている。これによって、画像形成領域外の感光ドラム
４の両端部に円筒部材８ａを圧接している。The developing container 2 and the cleaning container 1 can stably maintain a desired interval (about 300 μm in the present embodiment) between the outer peripheral surfaces of the photosensitive drum 4 and the developing sleeve 8. Are connected by various mechanisms. That is, a cylindrical member 8a having a thickness corresponding to the above-mentioned interval (about 300 μm) is fitted near both ends in the longitudinal direction of the developing sleeve 8 (outside the image area).
The cleaning container 1 is connected to the cleaning container 1 so as to be rotatable about a shaft 2b. Further, the developing container 2 is urged clockwise about the shaft 2b by urging means (not shown) such as a spring. Thus, the cylindrical member 8a is pressed against both ends of the photosensitive drum 4 outside the image forming area.
【００２１】ここで、ＤＴシャッタ部材１０ａについて
詳細な説明を述べる。Here, the DT shutter member 10a will be described in detail.
【００２２】ＤＴシャッタ部材１０ａは図２に示すよう
にトナー容器３の現像容器２に対向する面３ｅに形成さ
れた凹部３ｃに収容される。凹部３ｃの幅ＬはＤＴシャ
ッタ部材１０ａの幅Ｌ１よりわずかに大きく形成してあ
るので、ＤＴシャッタ部材１０ａがこの凹部３ｃ内で図
２中の矢印方向にガタつくのを防いでいる。トナー容器
３の内部にはＤＴシャッタ部材１０ａを移動させるＤＴ
シャッタ軸１０ｂがトナー容器３の側壁に回転自在に支
持されている。このＤＴシャッタ軸１０ｂにはピニオン
１０ｂ１が長手方向に複数設け（本実施の形態では３ケ
所）てあり、ＤＴシャッタ部材１０ａにＤＴシャッタ部
材１０ａの移動方向に従って設けたラック１０ａ２と噛
み合うようになっている。ＤＴシャッタ軸１０ｂの一端
は不図示のシールを通してトナー容器３の外部へ出てお
り、その先端には駆動力受け部として被駆動伝達部１０
ｂ２が設けられている。このＤＴシャッタ軸１０ｂとＤ
Ｔシャッタ部材１０ａに設けたラック１０ａ２でもって
シャッタ駆動手段を構成している。As shown in FIG. 2, the DT shutter member 10a is accommodated in a concave portion 3c formed on a surface 3e of the toner container 3 facing the developing container 2. Since the width L of the concave portion 3c is formed slightly larger than the width L1 of the DT shutter member 10a, the DT shutter member 10a is prevented from rattling in the concave portion 3c in the direction of the arrow in FIG. The DT for moving the DT shutter member 10a is provided inside the toner container 3.
A shutter shaft 10 b is rotatably supported on the side wall of the toner container 3. The DT shutter shaft 10b is provided with a plurality of pinions 10b1 in the longitudinal direction (three positions in the present embodiment), and meshes with a rack 10a2 provided on the DT shutter member 10a according to the moving direction of the DT shutter member 10a. I have. One end of the DT shutter shaft 10b protrudes outside the toner container 3 through a seal (not shown).
b2 is provided. This DT shutter shaft 10b and D
The rack 10a2 provided on the T shutter member 10a constitutes shutter driving means.
【００２３】現像容器２には図３に示すように開口２ａ
の四囲を取り囲むようにシール部材２ｄが設けられてい
る。ＤＴシャッタ部材１０ａを挟み込んで、現像容器２
とトナー容器３を溶着等の手段で結合させるが、このと
きＤＴシャッタ部材１０ａはシール部材２ｄを開口２ａ
の線に向って圧縮していく。シール部材２ｄの反撥力に
よってＤＴシャッタ部材１０ａはトナー容器３の凹部３
ｃの壁３ｄに押しつけられ、ＤＴシャッタ部材１０ａと
トナー容器３の開口３ａ間が塞がれ、現像容器２の開口
２ａはＤＴシャッタ部材１０ａとシール部材２ｄで密封
状態で閉塞される。これによりプロセスカートリッジＡ
未使用時にトナー容器３内のトナーＴが、現像容器２内
へ移ることが防げる。現像容器２の開口２ａの上方に
は、プロセスカートリッジＡの使用時に、トナー容器３
の開口３ａと、現像容器２の開口２ａとを連通させるた
めにＤＴシャッタ部材１０ａが上方へ移動する際、ガタ
を防止するための上下方向に長いガイド２ｅが長手方向
に複数設けてあり、そのガイド２ｅの上端付近には係止
爪２ｆが設けてある。The developing container 2 has an opening 2a as shown in FIG.
The seal member 2d is provided so as to surround the four circles. With the DT shutter member 10a interposed therebetween, the developing container 2
And the toner container 3 are joined by means such as welding. At this time, the DT shutter member 10a opens the seal member 2d through the opening 2a.
Compress toward the line. Due to the repulsive force of the seal member 2d, the DT shutter member 10a
3c, the space between the DT shutter member 10a and the opening 3a of the toner container 3 is closed, and the opening 2a of the developing container 2 is closed in a sealed state by the DT shutter member 10a and the seal member 2d. Thereby, the process cartridge A
The toner T in the toner container 3 can be prevented from moving into the developing container 2 when not in use. Above the opening 2a of the developing container 2, when the process cartridge A is used, the toner container 3
When the DT shutter member 10a moves upward to make the opening 3a of the developing container 2 communicate with the opening 2a of the developing container 2, a plurality of vertically long guides 2e for preventing backlash are provided in the longitudinal direction. A locking claw 2f is provided near the upper end of the guide 2e.
【００２４】プロセスカートリッジＡの長手方向一端に
はホルダ３ｆがある（図４参照）。ホルダ３ｆはトナー
容器３に固定されている。ホルダ３ｆ内には図５に示す
ように感光ドラム４の端部に同軸心で固定されたドラム
ギア４ａより、現像スリーブｆへ駆動を伝達するために
ドラムギア４ａと噛合うスリーブギア８ｂと、スリーブ
ギア８ｂとアイドラギア３ｂ３，３ｂ２を介して噛合い
攪拌手段３ｂへその駆動力を伝達するため攪拌手段３ｂ
と同軸心ｏの攪拌ギア３ｂ１と、アイドラギア３ｂ２，
３ｂ３と、がある。ここでスリーブギア８ｂは現像スリ
ーブ８に固定されている。さらにホルダ３ｆ内にはＤＴ
シャッタ軸１０ｂの被駆動伝達部１０ｂ２（図２参照）
と係合するＤＴシャッタ駆動部材１０ｃ、前述のアイド
ラギア３ｂ３と噛合い、ＤＴシャッタ駆動部材１０ｃと
同軸で一体に回転するギア部１０ｃ２と噛み合っている
ギア部１０ｄ１を有するスライドギア１０ｄ、ＤＴシャ
ッタ駆動部材１０ｃとスライドギア１０ｄを回転可能に
支持し、ＤＴシャッタ駆動部材１０ｃの回転軸を中心に
揺動する揺動ホルダ１０ｅ、揺動ホルダ１０ｅを所定の
位置に支持するスライド軸１０ｆが納められている。こ
のＤＴシャッタ駆動部材１０ｃはカートリッジ枠体に回
転自在に支持されている。上記アイドラギア３ｂ２，３
ｂ３はカートリッジ枠体又は及びカートリッジ枠体に取
り付けたホルダ３ｆに回転自在に支持されている。A holder 3f is provided at one longitudinal end of the process cartridge A (see FIG. 4). The holder 3f is fixed to the toner container 3. In the holder 3f, as shown in FIG. 5, a sleeve gear 8b meshed with the drum gear 4a for transmitting drive to the developing sleeve f from a drum gear 4a fixed coaxially to the end of the photosensitive drum 4, and a sleeve gear. 8b through the idler gears 3b3 and 3b2 to transmit the driving force to the meshing and stirring means 3b.
And the agitating gear 3b1, which is coaxial with the idler gear 3b2.
3b3. Here, the sleeve gear 8b is fixed to the developing sleeve 8. Further, DT is provided in the holder 3f.
Driven transmission portion 10b2 of shutter shaft 10b (see FIG. 2)
Shutter driving member 10c, which engages with the DT shutter driving member 10c, and a slide gear 10d having a gear portion 10d1 which meshes with the gear portion 10c2 which rotates coaxially and integrally with the DT shutter driving member 10c. 10c and a slide gear 10d are rotatably supported, and a swing holder 10e that swings around a rotation axis of the DT shutter drive member 10c and a slide shaft 10f that supports the swing holder 10e at a predetermined position are accommodated. . The DT shutter driving member 10c is rotatably supported by the cartridge frame. The above idler gears 3b2, 3
b3 is rotatably supported by the cartridge frame or the holder 3f attached to the cartridge frame.
【００２５】プロセスカートリッジＡはその製造工程に
おいて様々な検査が行われるが、この際駆動を加えて行
われる検査もあるがこの時にＤＴシャッタ部材１０ａが
移動しないようにするため、揺動ホルダ１０ｅはスライ
ドギア１０ｄのギア部１０ｄ１とアイドラギア３ｂ３が
離れる方向に傾けられ、この姿勢を保持するように揺動
ホルダ１０ｅの係止部１０ｅ１とスライド軸１０ｆの係
止部１０ｆ１を当接させる。スライド軸１０ｆは一端に
図４に示すようにホルダ３ｆより外部に突出した突出部
１０ｆ２を持っている。The process cartridge A is subjected to various inspections in its manufacturing process. At this time, there is also an inspection performed by driving. In order to prevent the DT shutter member 10a from moving at this time, the swing holder 10e is provided with The gear portion 10d1 of the slide gear 10d and the idler gear 3b3 are inclined in a direction away from each other, and the locking portion 10e1 of the swing holder 10e and the locking portion 10f1 of the slide shaft 10f are brought into contact with each other so as to maintain this posture. The slide shaft 10f has a protruding portion 10f2 protruding outside from the holder 3f at one end as shown in FIG.
【００２６】プロセスカートリッジＡを画像形成装置Ｂ
へ装着する際、図６に示すガイドレールＢ１に図４に示
すプロセスカートリッジＡのボス１ａを載せて最終位置
Ｂ２まで挿入する。これによって、画像形成装置Ｂのカ
ートリッジ駆動ギアＢ４にドラムギア４ａが噛み合う。
このとき画像形成装置Ｂに設けたガイドＢ３にスライド
軸１０ｆの突出部１０ｆ２が当接し、スライド軸１０ｆ
をホルダ３ｆ内へ押し込む。これにより、図７のように
揺動ホルダ１０ｅの係止部１０ｅ１とスライド軸１０ｆ
の係止部１０ｆ１の当接が解除され、揺動ホルダ１０ｅ
はスライドギア１０ｄのギア部１０ｄ１がアイドラギア
３ｂ３と噛み合う位置に回動する。The process cartridge A is connected to the image forming apparatus B
At the time of mounting, the boss 1a of the process cartridge A shown in FIG. 4 is placed on the guide rail B1 shown in FIG. 6 and inserted to the final position B2. As a result, the drum gear 4a meshes with the cartridge driving gear B4 of the image forming apparatus B.
At this time, the protrusion 10f2 of the slide shaft 10f contacts the guide B3 provided in the image forming apparatus B, and the slide shaft 10f
Into the holder 3f. Thereby, the locking portion 10e1 of the swing holder 10e and the slide shaft 10f as shown in FIG.
Of the locking portion 10f1 is released, and the swing holder 10e is released.
Rotates to a position where the gear portion 10d1 of the slide gear 10d meshes with the idler gear 3b3.
【００２７】その後画像形成装置Ｂのカートリッジ駆動
ギアＢ４（図６参照）より駆動が伝達されると、駆動ギ
アＢ４に噛合っているドラムギア４ａ、スリーブギア８
ｂ、アイドラギア３ｂ３を通じてスライドギア１０ｄの
ギア部１０ｄ１へ駆動が伝わり、ＤＴシャッタ駆動部材
１０ｃに設けたギア部１０ｃ２を回転させる。ＤＴシャ
ッタ駆動部材１０ｃにはＤＴシャッタ軸１０ｂの被駆動
伝達部１０ｂ２に対して、回転力を伝達するように係合
する駆動伝達部１０ｃ１が設けてあり、前述のように伝
達されてきた駆動によりＤＴシャッタ軸１０ｂが回転
し、ＤＴシャッタ軸１０ｂに設けたピニオン１０ｂ１が
ＤＴシャッタ部材１０ａのラック１０ａ２と噛み合い、
ＤＴシャッタ部材１０ａを上方に移動させ開口２ａと３
ａとの間を通じさせる。Thereafter, when the drive is transmitted from the cartridge drive gear B4 (see FIG. 6) of the image forming apparatus B, the drum gear 4a and the sleeve gear 8 meshed with the drive gear B4.
b, the drive is transmitted to the gear portion 10d1 of the slide gear 10d through the idler gear 3b3, and rotates the gear portion 10c2 provided on the DT shutter drive member 10c. The DT shutter drive member 10c is provided with a drive transmission portion 10c1 that engages with the driven transmission portion 10b2 of the DT shutter shaft 10b so as to transmit a rotational force, and is driven by the drive transmitted as described above. The DT shutter shaft 10b rotates, and the pinion 10b1 provided on the DT shutter shaft 10b meshes with the rack 10a2 of the DT shutter member 10a,
The DT shutter member 10a is moved upward to open the openings 2a and 3
a.
【００２８】スライドギア１０ｄの軸部にはスパイラル
スプライン１０ｄ２が形成してあり、揺動ホルダ１０ｅ
にはそのスプライン１０ｄ２と嵌合する穴を持つボス１
０ｅ２が設けてある。なお、スプライン１０ｄ２に代え
ておねじとし、このおねじのねじ込まれるめねじをボス
１０ｅに設けてもよい。或はスプライン１０ｅをらせん
溝付の円筒カムとし、この円筒カムの溝に嵌入する駒を
固設してもよい。即ち、軸を回転することにより軸が回
転し乍ら軸方向へ移動する運動をするものであればよ
い。これにより、スライドギア１０ｄは図８に示すよう
に駆動伝達のために回転すると軸に設けたスパイラルス
プライン１０ｄ２によって、図示矢印の軸方向にスライ
ドし、ギア部１０ｄ１はアイドラギア３ｂ３との噛み合
い幅を減少していき、最終的にその幅が０となり駆動伝
達は遮断される。噛み合い幅が０となる瞬間にアイドラ
ギア３ｂ３とギア１０ｄ１を確実に離間させるために、
ギア部１０ｄ１と揺動ホルダ１０ｅ間に圧縮ばね等の付
勢手段（不図示）を介在させても良い。A spiral spline 10d2 is formed on the shaft of the slide gear 10d, and a swing holder 10e is formed.
Has a boss 1 having a hole to be fitted with the spline 10d2.
0e2 is provided. The spline 10d2 may be replaced with a screw, and a female screw into which the male screw is screwed may be provided on the boss 10e. Alternatively, the spline 10e may be a cylindrical cam having a spiral groove, and a piece that fits into the groove of the cylindrical cam may be fixed. In other words, any structure may be used as long as the shaft rotates and moves in the axial direction while rotating. As a result, when the slide gear 10d rotates for drive transmission as shown in FIG. 8, it is slid in the axial direction of the arrow shown by the spiral spline 10d2 provided on the shaft, and the gear portion 10d1 reduces the meshing width with the idler gear 3b3. Then, the width finally becomes 0 and the drive transmission is interrupted. In order to reliably separate the idler gear 3b3 and the gear 10d1 at the moment when the meshing width becomes 0,
A biasing means (not shown) such as a compression spring may be interposed between the gear portion 10d1 and the swing holder 10e.
【００２９】ここで駆動遮断のタイミングは、ＤＴシャ
ッタ部材１０ａが現像容器２のガイド２ｅに添って上方
に移動し、ＤＴシャッタ部材１０ａに設けた凹部１０ａ
１がガイド２ｅの先端付近に設けた係止爪２ｆと係合し
た後（図９参照）もう少し上方へ移動した時にしてお
く。こうすることによりＤＴシャッタ軸１０ｂへの駆動
が遮断され、摩擦力以外の力を受けなくなった状態でも
摩擦力のみでＤＴシャッタ部材１０ａが保持され、ＤＴ
シャッタ部材１０ａが下方へ移動し、開口２ａ，３ａを
塞ぐことを防止できる。Here, when the drive is cut off, the DT shutter member 10a moves upward along the guide 2e of the developing container 2 and the concave portion 10a provided in the DT shutter member 10a.
After engaging the engaging claw 2f provided in the vicinity of the tip of the guide 2e (see FIG. 9), it is necessary to move it slightly upward. In this way, the drive to the DT shutter shaft 10b is shut off, and the DT shutter member 10a is held only by the frictional force even when no force other than the frictional force is received, and
It is possible to prevent the shutter member 10a from moving downward and closing the openings 2a and 3a.
【００３０】以上の説明のように現像容器２の開口２ａ
と、トナー容器３の開口３ａを塞いでいるＤＴシャッタ
部材１０ａを図１に示す断面方向で、上方に移動させて
開口２ａ，３ａ同志をつなげることで、ＤＴシャッタ部
材１０ａが少しでも開口を露出すれば、トナー容器内に
封入されていたトナーＴは、長手方向（図１に示す断面
と直交方向）で均一に現像スリーブ８へ供給することが
可能になる。また、上下方向に移動させることによっ
て、その移動距離は長手方向より格段に短くなる為、駆
動力が供給されてから画像形成動作が行われる間の短い
時間のうちで、開口を露出させても充分に間に合わせる
ことができる。As described above, the opening 2a of the developing container 2
The DT shutter member 10a closing the opening 3a of the toner container 3 is moved upward in the cross-sectional direction shown in FIG. 1 to connect the openings 2a and 3a, so that the DT shutter member 10a exposes even a small amount of the opening. Then, the toner T sealed in the toner container can be uniformly supplied to the developing sleeve 8 in the longitudinal direction (the direction orthogonal to the cross section shown in FIG. 1). In addition, since the moving distance is significantly shorter than the longitudinal direction by moving in the vertical direction, even if the opening is exposed during a short time from when the driving force is supplied to when the image forming operation is performed. You can make it in time.
【００３１】（実施の形態２）実施の形態１において、
ＤＴシャッタ部材１０ａは現像容器２とトナー容器３と
の間に挟み込まれるようになっていた為、２つの容器を
溶着等の手段で結合しないとトナー容器内部が密閉され
ない構成であったが、本実施の形態では図１０〜図１２
に示すようにトナー容器３の開口３ａの内側にＤＴシャ
ッタ部材１０ａを配置する構成とする。(Embodiment 2) In Embodiment 1,
Since the DT shutter member 10a is sandwiched between the developing container 2 and the toner container 3, the inside of the toner container cannot be sealed unless the two containers are joined by welding or the like. In the embodiment, FIGS.
The DT shutter member 10a is arranged inside the opening 3a of the toner container 3 as shown in FIG.
【００３２】そのために、トナー容器３の側壁３ｇの間
隔Ｌ３を開口３ａの幅Ｌ２より大きくとることでシール
貼付代を確保し側壁の間隔Ｌ３とＤＴシャッタ部材１０
ａの幅Ｌを等しくすることで、ＤＴシャッタ部材１０ａ
の長手方向ガタをなくし上下の移動をスムースにする。
そして側壁３ｇには開口３ａを形成する前面壁３ｈと平
行となるリブ３ｉを設ける。リブ３ｉは開口３ａより突
出しない高さまでにしておく。また開口３ａの下辺には
凹部３ｊを設ける。トナー容器３の内側の開口３ａの周
囲にはシール３ｋを貼付けてある。シール３ｋは例えば
スポンジである。ＤＴシャッタ部材１０ａをシール３ｋ
を圧縮させながら前述のリブ３ｉとスポンジ３ｋ間、凹
部３ｊの間にもぐり込ませることで、ＤＴシャッタ部材
１０ａの左右の短手辺と下側の長手辺は、それぞれリブ
３ｉ、凹部の内壁３ｊ１でシール３ｋの反撥力を受け
る。残るＤＴシャッタ部材１０ａの上側長手辺はシール
３ｋの対向部にＤＴシャッタ軸１０ｂを配置すること
で、シール３ｋの反撥力をピニオン１０ｂ１を介して受
けるように構成する。For this purpose, the space L3 between the side walls 3g of the toner container 3 is set to be larger than the width L2 of the opening 3a, so that the sticking allowance is secured, and the space L3 between the side walls and the DT shutter member 10
The width L of the DT shutter member 10a
The vertical play is eliminated and the vertical movement is smooth.
The side wall 3g is provided with a rib 3i parallel to the front wall 3h forming the opening 3a. The rib 3i has a height that does not protrude from the opening 3a. A concave portion 3j is provided on the lower side of the opening 3a. A seal 3k is attached around the opening 3a inside the toner container 3. The seal 3k is, for example, a sponge. DT shutter member 10a is sealed with 3k
The DT shutter member 10a has the left and right short sides and the lower long side, respectively, which are ribs 3i and the inner wall 3j1 of the concave part by compressing the DT shutter member 10a between the ribs 3i and the sponge 3k and between the concave parts 3j. Receives the repulsive force of the seal 3k. The DT shutter shaft 10b is arranged on the upper side of the remaining DT shutter member 10a opposite to the seal 3k so as to receive the repulsive force of the seal 3k via the pinion 10b1.
【００３３】また、トナー容器３の前面壁３ｈの容器内
側にはＤＴシャッタ部材１０ａが上方に移動したときの
ガイドとなる上下方向のガイドリブ３ｌ（エル）を長手
方向に複数設け、その上端付近には係止爪３ｍを設け
る。A plurality of vertical guide ribs 31 are provided in the longitudinal direction on the inner side of the front wall 3h of the toner container 3 as guides when the DT shutter member 10a moves upward. Is provided with a locking claw 3m.
【００３４】ＤＴシャッタ部材１０ａの開く動作機構は
実施の形態１と同様に設けることで、プロセスカートリ
ッジを画像形成装置へ装着し初めて駆動が伝達される
と、ＤＴシャッタ部材１０ａを上方に移動させ、所定の
位置に来ると図１２に示すようにＤＴシャッタ部材１０
ａの凹部１０ａ１が、トナー容器３に設けた係止爪３ｍ
に係止可能な状態となり、その位置より少し上昇した所
で、ＤＴシャッタ軸１０ｂに対する駆動が遮断される。By providing the opening mechanism of the DT shutter member 10a in the same manner as in the first embodiment, when the drive is transmitted for the first time after the process cartridge is mounted on the image forming apparatus, the DT shutter member 10a is moved upward, When the DT shutter member 10 reaches a predetermined position, as shown in FIG.
a claw 3m provided on the toner container 3
And the DT shutter shaft 10b is cut off at a position slightly higher than that position.
【００３５】上述の実施の形態をまとめると次のとおり
である。The above embodiments are summarized as follows.
【００３６】第１の構成は（以下構成を省記する）画像
形成装置本体に着脱可能なプロセスカートリッジＡにお
いて、電子写真感光体ドラム４と、前記電子写真感光体
ドラム４に形成された潜像を現像剤Ｔを用いて現像する
現像装置と、を有し、前記現像装置は、現像スリーブ８
と、現像スリーブ８を支持する現像容器２と、前記現像
スリーブ８へ供給する現像剤Ｔを貯留すると共に現像ス
リーブ８へ通ずる開口３ａを有する現像剤容器３と、前
記開口３ａを閉じた位置から現像スリーブ８と直角方向
に前記開口３ａを開く位置へ移動可能なシャッタ部材１
０ａと、前記シャッタ部材１０ａの移動手段と、を有す
るプロセスカートリッジである。The first configuration is that an electrophotographic photosensitive drum 4 and a latent image formed on the electrophotographic photosensitive drum 4 in a process cartridge A that can be attached to and detached from the image forming apparatus main body (the configuration will be omitted). And a developing device for developing the developing sleeve 8 with a developer T.
A developer container 2 that supports the developing sleeve 8, a developer container 3 that stores the developer T to be supplied to the developing sleeve 8 and has an opening 3a that communicates with the developing sleeve 8, and a position where the opening 3a is closed. Shutter member 1 movable to a position at which opening 3a is opened in a direction perpendicular to developing sleeve 8
0a and a means for moving the shutter member 10a.
【００３７】第２は第１において前記シャッタ部材１０
ａは前記現像容器２と現像剤容器３との接合部間に設け
られている。Second, in the first, the shutter member 10
a is provided between the joints between the developing container 2 and the developer container 3.
【００３８】第３は第１において前記シャッタ部材１０
ａは前記現像剤容器３内に設けられている。Third, in the first, the shutter member 10
a is provided in the developer container 3.
【００３９】第４は第２又は第３において前記開口の周
囲には前記シャッタ部材と密接して開口を密封するシー
ル部材２ｄ，３ｋが設けられている。Fourthly, in the second or third embodiment, seal members 2d and 3k are provided around the opening to seal the opening in close contact with the shutter member.
【００４０】第５は第２から第４の何れか１つにおいて
前記シャッタ部材１０ａが開口３ａを開いた際、シャッ
タ部材１０ａを係止する係止部（２ｆ，１０ａ１），
（３ｍ，１０ａ１）を有する。Fifth, in any one of the second to fourth aspects, when the shutter member 10a opens the opening 3a, the locking portions (2f, 10a1) for locking the shutter member 10a,
(3m, 10a1).
【００４１】第６は第１において前記シャッタ部材１０
ａの移動手段は、閉じたシャッタ部材１０ａを開くため
のシャッタ駆動手段（１０ａ２，１０ｂ１，１０ｂ）
と、現像スリーブ８を駆動する駆動手段であるスリーブ
ギア８ｂからシャッタ駆動手段までに設けた駆動供給手
段であるギア３ｂ３，１０ｄ１，１０ｃ２と、ＤＴシャ
ッタ部材１０ｃと、前記シャッタ部材１０ａが開き終る
と現像スリーブ８の駆動手段８ｂからシャッタ駆動手段
への間の動力伝達を遮断する遮断手段（１０ｄ１，１０
ｄ，１０ｅ２）と、を有する。Sixth, in the first embodiment, the shutter member 10
The moving means a is a shutter driving means (10a2, 10b1, 10b) for opening the closed shutter member 10a.
When the gears 3b3, 10d1, 10c2, which are drive supply means provided from the sleeve gear 8b, which is a drive means for driving the developing sleeve 8, to the shutter drive means, the DT shutter member 10c, and the shutter member 10a are completely opened. Blocking means (10d1, 10d) for blocking the power transmission from the driving means 8b of the developing sleeve 8 to the shutter driving means;
d, 10e2).
【００４２】第７は第６において前記シャッタ駆動手段
は、シャッタ部材１０ａにシャッタ部材の移動方向に従
って設けたラック１０ａ２と、前記ラック１０ａ２に噛
合うピニオン部１０ｂ１と端部に駆動力受け部としての
被駆動伝達部１０ｂ２を有するシャッタ軸１０ｂと、を
有する。Seventhly, in the sixth aspect, the shutter driving means includes a rack 10a2 provided on the shutter member 10a according to the moving direction of the shutter member, a pinion portion 10b1 meshing with the rack 10a2, and a driving force receiving portion at an end portion. A shutter shaft 10b having a driven transmission portion 10b2.
【００４３】第８は第６において前記駆動供給手段はス
リーブギア８ｂ、アイドラギア３ｂ３、スライドギア１
０ｄのギア部１０ｄ１、ＤＴシャッタ駆動部材１０ｃに
設けたギア１０ｃ２を有する歯車列である。Eighthly, in the sixth aspect, the drive supply means comprises a sleeve gear 8b, an idler gear 3b3, a slide gear 1
This is a gear train having a 0d gear portion 10d1 and a gear 10c2 provided on the DT shutter drive member 10c.
【００４４】第９は第６において前記遮断手段は駆動供
給手段のアイドラギア３ｂ３とＤＴシャッタ駆動部材１
０ｃに設けたギア１０ｃ２間に介装されている。Ninth is a sixth aspect in which the shut-off means comprises an idler gear 3b3 of a drive supply means and a DT shutter drive member 1.
0c is interposed between the gears 10c2.
【００４５】第１０は第８において現像剤容器３中に現
像剤の攪拌手段３ｂを有し、駆動供給手段の歯車列を用
いて攪拌手段３ｂに回転を伝えている。Tenthly, in the eighth aspect, a developer stirring means 3b is provided in the developer container 3, and the rotation is transmitted to the stirring means 3b by using a gear train of the drive supply means.
【００４６】第１１は第６又は第１０において前記遮断
手段は駆動側ギアであるアイドラギア３ｂ３と噛合う従
動側ギア部１０ｄ１と、この従動側ギア部１０ｄ１と同
軸で固設したスパイラルスプライン穴（１０ｅ２）に係
合するスパイラルスプライン軸部１０ｄ２と、を有する
スライドギア１０ｄと、前記駆動側ギア３ｂ３と、前記
スパイラルスプライン穴を有する部材１０ｅ２と、を有
し、前記駆動側ギア３ｂ３の回転により従動側ギア１０
ｄ１が回転してスプライン軸部１０ｄ２が軸方向にスプ
ライン穴（１０ｅ２）に対して移動し、駆動ギアである
アイドラギア３ｂ３と従動側ギア部１０ｄ１が軸方向に
ずれて噛合が外れる。また、この実施の形態ではスパイ
ラルスプラインのほかねじ対偶、らせん溝を有する円筒
カムと、らせん溝に滑合する固設した駒を用いてもよ
い。Eleventh or tenth aspect is the sixth or tenth aspect, wherein the blocking means is a driven gear portion 10d1 meshing with the idler gear 3b3 as a driving gear, and a spiral spline hole (10e2) fixed coaxially with the driven gear portion 10d1. ), A slide gear 10d having a spiral spline shaft portion 10d2, the driving gear 3b3, and a member 10e2 having the spiral spline hole, and the driven gear 3b3 is driven by the rotation of the driving gear 3b3. Gear 10
As d1 rotates, the spline shaft portion 10d2 moves in the axial direction with respect to the spline hole (10e2), and the idler gear 3b3, which is the driving gear, and the driven gear portion 10d1 are displaced in the axial direction and become disengaged. Further, in this embodiment, in addition to the spiral spline, a pair of screws, a cylindrical cam having a spiral groove, and a fixed piece slidingly fitted in the spiral groove may be used.
【００４７】第１２は第１１において前記駆動側ギアと
従動側ギア部を入れ替えて、スライドギアを駆動側に設
けた。例えば、ギア部１０ｃ２をＤＴシャッタ軸１０ｃ
上で軸方向にスライド可能とする。In a twelfth aspect, in the eleventh aspect, the driving gear and the driven gear are exchanged, and a slide gear is provided on the driving side. For example, the gear unit 10c2 is connected to the DT shutter shaft 10c.
The upper part can be slid in the axial direction.
【００４８】第１３は第６から第１２の何れか１つにお
いて前記駆動供給手段は現像装置が画像形成装置本体に
装着されていないときには、シャッタ部材１０ａに動力
が伝達されないように係止部材であるスライド軸１０ｆ
に係止されて途中でアイドラギア３ｂ３とスライドギア
１０ｄのギア部１０ｄ１の連結が解除されており、現像
装置を画像形成装置本体に装着した際、画像形成装置本
体に前記係止部材１０ｆが作用されて前記係止部材１０
ｆが解除されて駆動供給手段が連結される。In a thirteenth aspect, in any one of the sixth to twelfth aspects, when the developing device is not mounted on the main body of the image forming apparatus, the drive supply means is a locking member for preventing power from being transmitted to the shutter member 10a. A certain slide shaft 10f
The connection between the idler gear 3b3 and the gear portion 10d1 of the slide gear 10d is released halfway, and when the developing device is mounted on the image forming apparatus main body, the locking member 10f acts on the image forming apparatus main body. The locking member 10
f is released and the drive supply means is connected.
【００４９】第１４は第１３において前記係止部材であ
るスライド軸１０ｆに係脱される係止部１０ｅ１を有し
前記シャッタ軸１０ｂと同軸のＤＴ駆動部材１０ｃ上で
揺動可能な揺動ホルダ１０ｅと、前記シャッタ軸１０ｂ
と同軸上に固定されたギアであって前記スライドギア１
０ｄのギア部１０ｄ１と係脱可能に噛合うギア１０ｃ２
と、を有する。Fourteenth is a thirteenth swinging holder which has a locking part 10e1 which is engaged and disengaged with a slide shaft 10f as the locking member, and is capable of swinging on a DT driving member 10c coaxial with the shutter shaft 10b. 10e and the shutter shaft 10b
A gear fixed coaxially with the slide gear 1
A gear 10c2 that meshes with the 0d gear portion 10d1 in a detachable manner.
And
【００５０】第１５は第１から第１４において現像容器
２とトナー容器３はその接合部外周側が全周にわたり溶
着又は接着されている。Fifteenth, in the first to fourteenth embodiments, the outer peripheral side of the joint portion between the developing container 2 and the toner container 3 is welded or bonded over the entire circumference.
【００５１】上述はプロセスカートリッジの構成をまと
めたが、この構成は、当然現像装置にも適用されるもの
であり、代表的な現像装置の実施の形態として示せば次
のとおりである。The configuration of the process cartridge has been described above, but this configuration is naturally applied to a developing device, and the following is a typical embodiment of the developing device.
【００５２】第１６は画像形成装置本体に着脱可能な現
像装置において、現像スリーブ８と、現像スリーブ８を
支持する現像容器２と、前記現像スリーブ８へ供給する
現像剤を貯留すると共に現像スリーブ８へ通ずる開口３
ａを有する現像剤容器３と、前記開口３ａを閉じた位置
から、現像スリーブ８と直角方向に前記開口３ａを開く
位置へ移動可能なシャッタ部材１０ａと、前記シャッタ
部材１０ａの移動手段と、を有する現像装置である。Sixteenth, a developing device detachable from the main body of the image forming apparatus, comprising a developing sleeve 8, a developing container 2 supporting the developing sleeve 8, a developer to be supplied to the developing sleeve 8, and a developing sleeve 8 Opening 3 leading to
a developer container 3 having an opening a, a shutter member 10a movable from a position in which the opening 3a is closed to a position in which the opening 3a is opened in a direction perpendicular to the developing sleeve 8, and a moving means of the shutter member 10a. Is a developing device.
【００５３】第１７は第１６において現像容器２とトナ
ー容器３はその接合部外周側が全周にわたり溶着又は接
着されている。In the seventeenth aspect, the developing container 2 and the toner container 3 are welded or adhered over the entire outer circumference of the joint portion.
【００５４】[0054]
【発明の効果】本出願に係る第１の発明によれば現像剤
容器の開口を覆うシャッタ部材を現像スリーブと直角方
向に移動させ前記開口を開く移動手段を設けたことによ
り短時間に現像スリーブへ現像剤を供給することが可能
となる。また、開口が現像スリーブに沿って均一な幅で
開いて行き現像スリーブの長手方向に均一に現像剤を供
給できるという効果がある。According to the first aspect of the present invention, the shutter member covering the opening of the developer container is moved in a direction perpendicular to the developing sleeve to provide the moving means for opening the opening. It is possible to supply the developer. Further, there is an effect that the opening is opened with a uniform width along the developing sleeve and the developer can be supplied uniformly in the longitudinal direction of the developing sleeve.
【００５５】本出願に係る第２の発明によれば第１の発
明において、シャッタ部材は現像容器と現像剤容器との
接合部間に設けられているのでシャッタ部材を容易に組
立て得る。According to the second aspect of the present invention, in the first aspect, since the shutter member is provided between the joint portions between the developing container and the developer container, the shutter member can be easily assembled.
【００５６】本出願に係る第３の発明によれば第１の発
明において、シャッタ部材は前記現像剤容器内に設けら
れているので現像剤容器としてユニット化されるので現
像容器との組立工程が簡単である。According to the third invention of the present application, in the first invention, since the shutter member is provided in the developer container, the shutter member is unitized as a developer container. Easy.
【００５７】本出願に係る第４の発明は第２又は第３の
発明において、開口の周囲にはシャッタ部材と密接して
開口を密封するシール部材が設けられていることにより
プロセスカートリッジの使用を開始するまでに現像剤容
器中の現像剤が現像容器へ移動することがない。According to a fourth aspect of the present invention, in the second or third aspect, a seal member is provided around the opening so as to be in close contact with the shutter member to seal the opening, so that the process cartridge can be used. The developer in the developer container does not move to the developer container before starting.
【００５８】本出願に係る第５の発明によれば第２から
第４の何れか１つの発明において、シャッタ部材が開口
を開いた際、シャッタ部材を係止する係止部を有するこ
とでシャッタ部材が開いた後は、開いた状態が確保され
る。According to a fifth aspect of the present invention, in any one of the second to fourth aspects, the shutter has a locking portion for locking the shutter member when the shutter member opens the opening. After the member is opened, the open state is ensured.
【００５９】本出願に係る第６の発明によれば第１の発
明において、シャッタ部材の移動手段は、閉じたシャッ
タ部材を開くためのシャッタ駆動手段と、現像スリーブ
を駆動する駆動手段からシャッタ駆動手段までに設けた
駆動供給手段と、シャッタ部材が開き終ると現像スリー
ブの駆動手段からシャッタ駆動手段への間の動力伝達を
遮断する遮断手段と、を有することにより、シャッタ部
材を外部から駆動力を加えて開き、且つ開き終ると駆動
力が遮断されるのでユーザは何等の操作を必要としな
い。According to a sixth aspect of the present invention, in the first aspect, the shutter member moving means includes a shutter driving means for opening a closed shutter member, and a shutter driving means for driving a developing sleeve. Means for driving the shutter member from the outside by providing a drive supply means provided up to the shutter means and an interrupting means for interrupting power transmission from the drive means of the developing sleeve to the shutter drive means when the shutter member is completely opened. And the driving force is cut off when the opening is completed, so that the user does not need to perform any operation.
【００６０】本出願に係る第７の発明によれば第６の発
明において、シャッタ駆動手段は、シャッタ部材にシャ
ッタ部材の移動方向に従って設けたラックと、ラックに
噛合うピニオン部と端部に駆動力受け部を有するシャッ
タ軸と、を有することにより、簡単な構成でシャッタ部
材を開くことが出来、且つ現像装置内に占めるシャッタ
軸のための空間はわずかである。According to a seventh aspect of the present invention, in the sixth aspect, the shutter driving means comprises: a rack provided on the shutter member in a moving direction of the shutter member; and a pinion portion and an end portion which mesh with the rack. And a shutter shaft having a force receiving portion, the shutter member can be opened with a simple configuration, and the space for the shutter shaft occupying in the developing device is small.
【００６１】本出願に係る第８の発明によれば第６の発
明において、駆動供給手段は歯車列であることにより動
作が確実である。According to the eighth aspect of the present invention, in the sixth aspect, the operation is assured because the drive supply means is a gear train.
【００６２】本出願に係る第９の発明によれば第６の発
明において、遮断手段は駆動供給手段に介装されている
ことにより、現像スリーブ軸上とかシャッタ部材回りと
かに設ける場合に比較して空間を利用し易い。According to the ninth aspect of the present invention, in the sixth aspect of the present invention, since the blocking means is provided in the drive supply means, compared with the case where the blocking means is provided on the developing sleeve shaft or around the shutter member. Easy to use space.
【００６３】本出願に係る第１０の発明によれば第８の
発明において、現像剤容器中に現像剤の攪拌手段を有
し、駆動供給手段の歯車列を用いて攪拌手段に回転を伝
えていることにより、この歯車列は現像スリーブから攪
拌手段へ回転を伝える歯車列の一部として用いることが
でき、ギア数の増加を抑えることができる。According to a tenth aspect of the present invention, in the eighth aspect, a developer agitating means is provided in the developer container, and the rotation is transmitted to the agitating means by using a gear train of the drive supply means. Thus, this gear train can be used as a part of a gear train for transmitting rotation from the developing sleeve to the stirring means, and an increase in the number of gears can be suppressed.
【００６４】本出願に係る第１１の発明は第６又は第１
０の発明において、遮断手段は駆動側ギアと噛合う従動
側ギア部と、この従動側ギア部と同軸で固設した穴に係
合する軸部と、を有し回転すると軸方向に移動するスラ
イドギアと、前記駆動側ギアと、前記穴を有する固設部
材と、を有し、前記駆動側ギアの回転により従動側ギア
が回転して前記軸部が軸方向に穴に対して移動し、駆動
ギアと従動側ギア部が軸方向にずれて噛合が外れること
により、シャッタ部材が開き終った際に、駆動供給手段
を確実に遮断できる。The eleventh invention according to the present application is the sixth or first invention.
In the invention of Claim 0, the blocking means has a driven gear portion that meshes with the driving gear, and a shaft portion that engages with a hole coaxially fixed to the driven gear portion, and moves in the axial direction when rotated. A slide gear, the drive-side gear, and a fixed member having the hole, and the rotation of the drive-side gear causes the driven-side gear to rotate, whereby the shaft moves in the axial direction with respect to the hole. Since the drive gear and the driven gear are displaced in the axial direction and disengaged from each other, the drive supply means can be reliably shut off when the shutter member is completely opened.
【００６５】本出願に係る第１２の発明によれば第１１
の発明において、前記駆動側ギアと従動側ギア部を入れ
替えて、スライドギアを駆動側に設けても第１１の発明
と同効を奏する。According to the twelfth aspect of the present invention, the eleventh aspect
In the present invention, the same effect as in the eleventh invention is exerted even if the driving gear and the driven gear are exchanged and a slide gear is provided on the driving side.
【００６６】本出願に係る第１３の発明によれば第６か
ら第１２の何れか１つの発明において、駆動供給手段は
現像装置が画像形成装置本体に装着されていないときに
は、シャッタ部材に動力が伝達されないように係止部材
に係止されて途中で連結が解除されており、現像装置を
画像形成装置本体に装着した際、画像形成装置本体に前
記係止部材が作用されて前記係止部材が解除されて駆動
供給手段が連結されることにより、プロセスカートリッ
ジを単体で取り扱う際の操作に対する格別な注意をなく
することができる。According to the thirteenth aspect of the present invention, in any one of the sixth to twelfth aspects, when the developing device is not mounted on the main body of the image forming apparatus, the drive supply means supplies power to the shutter member. When the developing device is mounted on the image forming apparatus main body, the locking member acts on the image forming apparatus main body so that the locking member acts on the image forming apparatus main body. Is released and the drive supply means is connected, so that special attention to the operation when handling the process cartridge alone can be eliminated.
【００６７】本出願に係る第１４の発明によれば第１３
の発明において、係止部材に係脱される係止部を有し、
前記シャッタ軸と同軸上で揺動可能な揺動ホルダと、前
記シャッタ軸と同軸上に固定されたギアであって前記ス
ライドギアのギア部と常時噛合うギアと、を有すること
により、駆動供給手段を解除状態としておくのが容易で
あり、プロセスカートリッジを画像形成装置本体へ装着
時に駆動供給手段を作動可能とするので単体での取り扱
いが容易である。According to the fourteenth aspect of the present invention, the thirteenth aspect
In the invention of the above, having a locking portion that is engaged and disengaged with the locking member,
By providing a swing holder capable of swinging coaxially with the shutter shaft and a gear fixed coaxially with the shutter shaft and constantly meshing with a gear portion of the slide gear, the drive supply is performed. It is easy to keep the unit in the released state, and the drive supply unit can be operated when the process cartridge is mounted on the image forming apparatus main body.
【００６８】本出願に係る第１５の発明によれば第１か
ら第１４の発明において、現像容器と現像剤容器はその
接合部外周側が全周にわたり溶着又は接着されているの
で、現像剤が現像容器と現像剤容器の接合部間でプロセ
スカートリッジの外部へ洩れるということがない。According to the fifteenth aspect of the present invention, in the first to fourteenth aspects, since the outer peripheral side of the joint between the developing container and the developer container is welded or adhered over the entire circumference, the developer is There is no leakage to the outside of the process cartridge between the joint between the container and the developer container.
【００６９】上述の説明より明らかに本発明は現像装置
に適用して好適で同効を得る。It is clear from the above description that the present invention can be suitably applied to a developing device to obtain the same effect.
【図１】本発明の実施の形態１のプロセスカートリッジ
の縦断面図である。FIG. 1 is a vertical sectional view of a process cartridge according to a first embodiment of the present invention.
【図２】本発明の実施の形態１のトナー容器の斜視図で
ある。FIG. 2 is a perspective view of the toner container according to the first embodiment of the present invention.
【図３】本発明の実施の形態１の現像容器の斜視図であ
る。FIG. 3 is a perspective view of the developing container according to the first embodiment of the present invention.
【図４】本発明の実施の形態１のプロセスカートリッジ
の一部斜視図である。FIG. 4 is a partial perspective view of the process cartridge according to the first embodiment of the present invention.
【図５】本発明の実施の形態１の駆動供給手段及び遮断
手段を示す斜視図である。FIG. 5 is a perspective view illustrating a driving supply unit and a blocking unit according to the first embodiment of the present invention.
【図６】画像形成装置本体のプロセスカートリッジ装着
部を示す斜視図である。FIG. 6 is a perspective view illustrating a process cartridge mounting portion of the image forming apparatus main body.
【図７】本発明の実施の形態１の駆動供給手段及び遮断
手段を示す斜視図である。FIG. 7 is a perspective view illustrating a driving supply unit and a blocking unit according to the first embodiment of the present invention.
【図８】本発明の実施の形態１の駆動供給手段及び遮断
手段を示す斜視図である。FIG. 8 is a perspective view illustrating a driving supply unit and a blocking unit according to the first embodiment of the present invention.
【図９】本発明の実施の形態１のプロセスカートリッジ
の作用を示す縦断面図である。FIG. 9 is a longitudinal sectional view illustrating the operation of the process cartridge according to the first embodiment of the present invention.
【図１０】本発明の実施の形態２のプロセスカートリッ
ジの縦断面図である。FIG. 10 is a longitudinal sectional view of a process cartridge according to a second embodiment of the present invention.
【図１１】本発明の実施の形態２のトナー容器の内部を
示す斜視図である。FIG. 11 is a perspective view showing the inside of a toner container according to Embodiment 2 of the present invention.
【図１２】本発明の実施の形態２のプロセスカートリッ
ジの縦断面図である。FIG. 12 is a longitudinal sectional view of a process cartridge according to a second embodiment of the present invention.
１…クリーニング容器 ２…現像容器 ２ａ…開口 ２ｂ…軸 ２ｃ…溶着リブ
２ｄ…シール部材 ２ｅ…ガイド ２ｆ…係止爪 ２ｇ…面 ３…トナー容器 ３ａ…開口 ３ｂ…攪拌手段 ３ｂ１
…攪拌ギア ３ｂ２，３ｂ３…アイドラギア ３ｃ…凹
部 ３ｄ…壁 ３ｅ…面 ３ｆ…ホルダ ３ｇ…側壁
３ｈ…前面壁 ３ｉ…リブ ３ｊ…凹部 ３ｊ１…内壁
３ｋ…シール ３ｌ（エル）…ガイド ３ｍ…係止爪 ４…感光ドラム ５…クリーニングブレード ６…帯電ローラ ７…除去トナー室 ８…現像スリーブ ８ａ…円筒部材 ９…層厚規制手段 １０ａ…ＤＴシャッタ部材 １０ａ１…凹部 １０ａ２
…ラック部 １０ｂ…ＤＴシャッタ軸 １０ｂ１…ピニ
オン １０ｂ２…被駆動伝達部 １０ｃ…ＤＴシャッタ
駆動部材 １０ｃ１…駆動伝達部 １０ｃ２…ギア部
１０ｄ…スライドギア １０ｄ１…ギア部 １０ｄ２…
スプライン １０ｅ…揺動ホルダ １０ｅ１…係止部
１０ｅ２…ボス １０ｆ…スライド軸 １０ｆ１…係止
部 １０ｆ２…突出部DESCRIPTION OF SYMBOLS 1 ... Cleaning container 2 ... Developing container 2a ... Opening 2b ... Shaft 2c ... Welding rib 2d ... Seal member 2e ... Guide 2f ... Locking claw 2g ... Surface 3 ... Toner container 3a ... Opening 3b ... Stirring means 3b1
... stirring gears 3b2, 3b3 ... idler gears 3c ... recesses 3d ... walls 3e ... surfaces 3f ... holders 3g ... side walls
3h front wall 3i rib 3j recess 3j1 inner wall 3k seal 31 (guide) 3m locking claw 4 photosensitive drum 5 cleaning blade 6 charging roller 7 removed toner chamber 8 developing sleeve 8a Cylindrical member 9 ... Layer thickness regulating means 10a ... DT shutter member 10a1 ... Recess 10a2
... Rack unit 10b DT shutter shaft 10b1 Pinion 10b2 Drive transmission unit 10c DT shutter drive member 10c1 Drive transmission unit 10c2 Gear unit
10d… Slide gear 10d1… Gear part 10d2…
Spline 10e: swing holder 10e1: locking part
10e2 ... boss 10f ... slide shaft 10f1 ... locking part 10f2 ... protruding part
Claims (17)
カートリッジにおいて、 電子写真感光体ドラムと、 前記電子写真感光体ドラムに形成された潜像を現像剤を
用いて現像する現像装置と、 を有し、前記現像装置は、 現像スリーブと、 現像スリーブを支持する現像容器と、 前記現像スリーブへ供給する現像剤を貯留すると共に現
像スリーブへ通ずる開口を有する現像剤容器と、 前記開口を閉じた位置から現像スリーブと直角方向に前
記開口を開く位置へ移動可能なシャッタ部材と、 前記シャッタ部材の移動手段と、 を有することを特徴とするプロセスカートリッジ。1. A process cartridge detachable from an image forming apparatus main body, comprising: an electrophotographic photosensitive drum; and a developing device for developing a latent image formed on the electrophotographic photosensitive drum using a developer. The developing device includes: a developing sleeve; a developing container that supports the developing sleeve; a developer container that stores the developer to be supplied to the developing sleeve and has an opening that communicates with the developing sleeve; and a position where the opening is closed. A shutter member movable to a position at which the opening is opened in a direction perpendicular to the developing sleeve, and moving means for the shutter member.
剤容器との接合部間に設けられていることを特徴とする
請求項１に記載のプロセスカートリッジ。2. The process cartridge according to claim 1, wherein the shutter member is provided between a joint between the developing container and the developer container.
設けられていることを特徴とする請求項１に記載のプロ
セスカートリッジ。3. The process cartridge according to claim 1, wherein the shutter member is provided in the developer container.
密接して開口を密封するシール部材が設けられているこ
とを特徴とする請求項２又は３に記載のプロセスカート
リッジ。4. The process cartridge according to claim 2, wherein a seal member is provided around the opening so as to be in close contact with the shutter member to seal the opening.
ャッタ部材を係止する係止部を有することを特徴とする
請求項２から４の何れか１つに記載のプロセスカートリ
ッジ。5. The process cartridge according to claim 2, further comprising a locking portion for locking the shutter member when the shutter member opens an opening.
シャッタ部材を開くためのシャッタ駆動手段と、現像ス
リーブを駆動する駆動手段からシャッタ駆動手段までに
設けた駆動供給手段と、前記シャッタ部材が開き終ると
現像スリーブの駆動手段からシャッタ駆動手段への間の
動力伝達を遮断する遮断手段と、を有することを特徴と
する請求項１に記載のプロセスカートリッジ。6. The shutter member moving means includes: a shutter driving means for opening a closed shutter member; a driving supply means provided from a driving means for driving a developing sleeve to a shutter driving means; 2. The process cartridge according to claim 1, further comprising: a shutoff unit that shuts off power transmission from the drive unit of the developing sleeve to the shutter drive unit when the opening is completed.
にシャッタ部材の移動方向に従って設けたラックと、前
記ラックに噛合うピニオン部と端部に駆動力受け部を有
するシャッタ軸と、を有することを特徴とする請求項６
に記載のプロセスカートリッジ。7. The shutter driving means includes: a rack provided on a shutter member in a moving direction of the shutter member; a pinion portion meshing with the rack; and a shutter shaft having a driving force receiving portion at an end. Claim 6
The process cartridge according to 1.
特徴とする請求項６に記載のプロセスカートリッジ。8. The process cartridge according to claim 6, wherein the drive supply unit is a gear train.
ていることを特徴とする請求項６に記載のプロセスカー
トリッジ。9. The process cartridge according to claim 6, wherein said blocking means is interposed in a drive supply means.
し、駆動供給手段の歯車列を用いて攪拌手段に回転を伝
えていることを特徴とする請求項８に記載のプロセスカ
ートリッジ。10. The process cartridge according to claim 8, further comprising a stirring means for the developer in the developer container, wherein the rotation is transmitted to the stirring means by using a gear train of the driving and supplying means.
動側ギア部と、この従動側ギア部と同軸で固設した穴に
係合する軸部と、を有し回転すると軸方向に移動するス
ライドギアと、前記駆動側ギアと、前記穴を有する固設
部材と、を有し、前記駆動側ギアの回転により従動側ギ
アが回転して前記軸部が軸方向に前記穴に対して移動
し、駆動ギアと従動側ギア部が軸方向にずれて噛合が外
れることを特徴とする請求項６又は１０に記載のプロセ
スカートリッジ。11. The blocking means has a driven gear engaged with a driving gear and a shaft engaged with a hole coaxially fixed to the driven gear, and moves in the axial direction when rotated. A sliding gear, the driving gear, and a fixed member having the hole, the rotation of the driving gear causes the driven gear to rotate, and the shaft portion is axially moved with respect to the hole. The process cartridge according to claim 6, wherein the process cartridge moves, and the driving gear and the driven-side gear portion are displaced in the axial direction to be disengaged.
替えて、スライドギアを駆動側に設けたことを特徴とす
る請求項１１に記載のプロセスカートリッジ。12. The process cartridge according to claim 11, wherein a slide gear is provided on the drive side by exchanging the drive side gear and the driven side gear portion.
成装置本体に装着されていないときには、シャッタ部材
に動力が伝達されないように係止部材に係止されて途中
で連結が解除されており、現像装置を画像形成装置本体
に装着した際、画像形成装置本体に前記係止部材が作用
されて前記係止部材が解除されて駆動供給手段が連結さ
れることを特徴とする請求項６から１２の何れか１つに
記載のプロセスカートリッジ。13. When the developing device is not mounted on the main body of the image forming apparatus, the drive supply means is locked by a locking member so that power is not transmitted to the shutter member, and the connection is released halfway. 13. The image forming apparatus according to claim 6, wherein when the developing device is mounted on the image forming apparatus main body, the locking member is acted on the image forming apparatus main body to release the locking member and connect the drive supply means. The process cartridge according to any one of the above.
し前記シャッタ軸と同軸上で揺動可能な揺動ホルダと、
前記シャッタ軸と同軸上に固定されたギアであって前記
スライドギアのギア部と係脱可能に噛合うギアと、を有
することを特徴とする請求項１３に記載のプロセスカー
トリッジ。14. A swing holder having a locking portion engaged and disengaged with the locking member and capable of swinging coaxially with the shutter shaft;
14. The process cartridge according to claim 13, further comprising: a gear fixed coaxially with the shutter shaft, the gear being removably meshed with a gear portion of the slide gear.
周側が全周にわたり溶着又は接着されていることを特徴
とする請求項１から１４の何れか１に記載のプロセスカ
ートリッジ。15. The process cartridge according to claim 1, wherein the outer peripheral side of the joint between the developing container and the developer container is welded or bonded over the entire circumference.
置において、 現像スリーブと、 現像スリーブを支持する現像容器と、 前記現像スリーブへ供給する現像剤を貯留すると共に現
像スリーブへ通ずる開口を有する現像剤容器と、 前記開口を閉じた位置から、現像スリーブと直角方向に
前記開口を開く位置へ移動可能なシャッタ部材と、 前記シャッタ部材の移動手段と、 を有することを特徴とする現像装置。16. A developing device detachable from a main body of an image forming apparatus, comprising: a developing sleeve; a developing container for supporting the developing sleeve; and an opening for storing a developer to be supplied to the developing sleeve and communicating with the developing sleeve. A developing device comprising: a developer container; a shutter member movable from a position where the opening is closed to a position where the opening is opened in a direction perpendicular to the developing sleeve; and a moving means for the shutter member.
周側が全周にわたり溶着又は接着されていることを特徴
とする請求項１６に記載の現像装置。17. The developing device according to claim 16, wherein the developing container and the developer container are welded or adhered on the entire outer periphery of the joint portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11119815A JP2000310902A (en) | 1999-04-27 | 1999-04-27 | Developing device and processing cartridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11119815A JP2000310902A (en) | 1999-04-27 | 1999-04-27 | Developing device and processing cartridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000310902A true JP2000310902A (en) | 2000-11-07 |
Family
ID=14770935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11119815A Withdrawn JP2000310902A (en) | 1999-04-27 | 1999-04-27 | Developing device and processing cartridge |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000310902A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100476770B1 (en) * | 2002-09-13 | 2005-03-16 | 삼성전자주식회사 | Apparatus for discharging waste toner |
| US6871033B2 (en) | 2002-03-12 | 2005-03-22 | Brother Kogyo Kabushiki Kaisha | Development unit with restrictor for developing electrostatic latent images with improved density |
| US8113507B2 (en) | 2008-08-29 | 2012-02-14 | Brother Kogyo Kabushiki Kaisha | Image forming apparatus with variable-position guideway of a pair of position guide rollers |
| WO2017163466A1 (en) * | 2016-03-24 | 2017-09-28 | ブラザー工業株式会社 | Development cartridge |
| CN110764385A (en) * | 2019-09-02 | 2020-02-07 | 珠海市汇威打印机耗材有限公司 | Processing box |
| CN111123679A (en) * | 2020-01-06 | 2020-05-08 | 佛山普瑞威尔科技有限公司 | Powder box selenium drum inspection structure and printer |
-
1999
- 1999-04-27 JP JP11119815A patent/JP2000310902A/en not_active Withdrawn
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6871033B2 (en) | 2002-03-12 | 2005-03-22 | Brother Kogyo Kabushiki Kaisha | Development unit with restrictor for developing electrostatic latent images with improved density |
| US7046946B2 (en) | 2002-03-12 | 2006-05-16 | Brother Kogyo Kabushiki Kaisha | Development unit for developing electrostatic latent images |
| KR100476770B1 (en) * | 2002-09-13 | 2005-03-16 | 삼성전자주식회사 | Apparatus for discharging waste toner |
| US8113507B2 (en) | 2008-08-29 | 2012-02-14 | Brother Kogyo Kabushiki Kaisha | Image forming apparatus with variable-position guideway of a pair of position guide rollers |
| US8342523B2 (en) | 2008-08-29 | 2013-01-01 | Brother Kogyo Kabushiki Kaisha | Image forming apparatus with indermediate gear |
| CN109074014A (en) * | 2016-03-24 | 2018-12-21 | 兄弟工业株式会社 | Delevoping cartridge |
| US20170277076A1 (en) * | 2016-03-24 | 2017-09-28 | Brother Kogyo Kabushiki Kaisha | Developing Cartridge Including Gear and Rotating Portion |
| US10054875B2 (en) | 2016-03-24 | 2018-08-21 | Brother Kogyo Kabushiki Kaisha | Configuration for stopping movement of a status specifying element for a developing cartridge including gear and rotating portion |
| WO2017163466A1 (en) * | 2016-03-24 | 2017-09-28 | ブラザー工業株式会社 | Development cartridge |
| US10372064B2 (en) | 2016-03-24 | 2019-08-06 | Brother Kogyo Kabushiki Kaisha | Configuration for stopping movement of a status specifying element for a developing cartridge including gear and rotating portion |
| CN109074014B (en) * | 2016-03-24 | 2021-08-03 | 兄弟工业株式会社 | Developing box |
| CN110764385A (en) * | 2019-09-02 | 2020-02-07 | 珠海市汇威打印机耗材有限公司 | Processing box |
| CN110764384A (en) * | 2019-09-02 | 2020-02-07 | 珠海市汇威打印机耗材有限公司 | Processing box |
| CN110764384B (en) * | 2019-09-02 | 2023-12-05 | 珠海市汇威精密制造有限公司 | Process cartridge |
| CN110764385B (en) * | 2019-09-02 | 2024-02-13 | 珠海市汇威精密制造有限公司 | Processing box |
| CN111123679A (en) * | 2020-01-06 | 2020-05-08 | 佛山普瑞威尔科技有限公司 | Powder box selenium drum inspection structure and printer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7813671B2 (en) | Process cartridge and electrophotographic image forming apparatus | |
| US7242893B2 (en) | Developer supply container | |
| JP2001281996A (en) | Developing cartridge, processing cartridge and electrophotographic image forming device | |
| JP2002006609A (en) | Toner sealing member, developing cartridge, process cartridge and electrophotographic image forming device | |
| JP2009042567A (en) | Toner supply device and image forming apparatus | |
| JP6465631B2 (en) | Cartridge and image forming apparatus | |
| US11360408B2 (en) | Toner cartridge and toner supplying mechanism | |
| JP6447271B2 (en) | Developing device and image forming apparatus | |
| JP3513447B2 (en) | Process cartridge | |
| JP2000310902A (en) | Developing device and processing cartridge | |
| US5572301A (en) | Developing device to which drive transmission from a cartridge is cut off | |
| JP3080522B2 (en) | Toner supply container, cartridge, and image forming apparatus | |
| JPH09114352A (en) | Process cartridge and image forming device | |
| JP4422991B2 (en) | Developing device, process cartridge, and electrophotographic image forming apparatus | |
| JP2006208532A (en) | Developing device and process cartridge | |
| JP5284152B2 (en) | Color electrophotographic image forming apparatus | |
| JP3217250B2 (en) | Developer supply device | |
| JP3384913B2 (en) | Toner supply device | |
| JP2007241186A (en) | Method of recycling developing cartridge | |
| JPH096214A (en) | Process cartridge, supply cartridge, and image forming device | |
| JPH09212065A (en) | Process cartridge and image forming device | |
| JP3848016B2 (en) | Developer supply container, developer supply method, and electrophotographic image forming apparatus | |
| JPH11174936A (en) | Process cartridge and image forming device | |
| JP2001005268A (en) | Process cartridge and image forming device provided therewith | |
| JPH05273856A (en) | Developing device for electrophotographic copying device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RD01 | Notification of change of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7421 Effective date: 20060106 |
|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20060704 |