JP3353194B2 - Developer cartridge and image forming apparatus - Google Patents
Developer cartridge and image forming apparatusInfo
- Publication number
- JP3353194B2 JP3353194B2 JP32077695A JP32077695A JP3353194B2 JP 3353194 B2 JP3353194 B2 JP 3353194B2 JP 32077695 A JP32077695 A JP 32077695A JP 32077695 A JP32077695 A JP 32077695A JP 3353194 B2 JP3353194 B2 JP 3353194B2
- Authority
- JP
- Japan
- Prior art keywords
- developer
- cartridge
- developer cartridge
- stopper
- rotation
- 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.)
- Expired - Fee Related
Links
Landscapes
- Dry Development In Electrophotography (AREA)
- Electrophotography Configuration And Component (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、画像形成装置に
設置された現像剤カートリッジ保持部に着脱可能であ
り、回転することにより現像剤を補給する現像剤カート
リッジ及び現像剤収容部に現像剤を補給する現像剤補給
装置を備えた画像形成装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a developer cartridge which can be attached to and detached from a developer cartridge holder provided in an image forming apparatus, and which replenishes a developer by rotating the developer cartridge and a developer container. The present invention relates to an image forming apparatus provided with a replenishing developer supply device.
【０００２】[0002]
【従来の技術】画像形成装置として、カラーレーザプリ
ンタ等があり、例えば現像剤カートリッジ保持部に現像
剤カートリッジを装着し、現像剤カートリッジ保持部が
現像剤カートリッジを装着した状態で現像剤補給駆動に
より回転し、現像剤収容部に現像剤を補給する現像剤補
給装置を備えるものがある。2. Description of the Related Art As an image forming apparatus, there is a color laser printer or the like. For example, a developer cartridge is mounted on a developer cartridge holder, and the developer cartridge is driven by a developer replenishing drive with the developer cartridge mounted. Some devices are provided with a developer replenishing device that rotates and replenishes a developer to a developer accommodating portion.
【０００３】このような現像剤補給装置において、現像
剤カートリッジの現像剤補給口から現像剤がこぼれ出さ
ないように塞いでいる栓を取る機構を備えるものも存在
した（例えば特開平７−２０７０１号公報等）。Some of such developer replenishing devices include a mechanism for removing a plug that blocks the developer from spilling out from a developer replenishing port of a developer cartridge (for example, Japanese Patent Application Laid-Open No. 7-20701). Gazette).
【０００４】[0004]
【発明が解決しようとする課題】ところで、現像剤カー
トリッジの現像剤補給口を塞いでいる栓を引き抜いて取
るには、強い力で引き抜く必要があり、その分栓を取る
機構が大掛かりになり、装置が大型化し、かつコストも
嵩む等の問題がある。By the way, in order to pull out and remove the plug that closes the developer supply port of the developer cartridge, it is necessary to pull out the plug with a strong force, and a mechanism for removing the plug becomes large-scale. There are problems such as an increase in size of the device and an increase in cost.
【０００５】この発明は、かかる点に鑑みてなされたも
ので、請求項１乃至請求項４記載の発明は、簡単な構成
で、しかも確実に現像剤補給口を開閉可能である現像剤
カートリッジを提供することを目的とし、請求項５乃至
請求項８記載の発明は、簡単な構成で、しかも確実に現
像剤カートリッジの現像剤補給口を開閉可能であり、装
置の小型化、かつ低コストである画像形成装置を提供す
ることを目的としている。SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and the invention according to the first to fourth aspects is directed to a developer cartridge having a simple structure and capable of reliably opening and closing a developer supply port. The invention according to claims 5 to 8 has a simple configuration, and can reliably open and close the developer supply port of the developer cartridge, and can reduce the size and cost of the apparatus. It is an object to provide an image forming apparatus.
【０００６】[0006]
【課題を解決するための手段】前記課題を解決し、かつ
目的を達成するために、請求項１記載の発明は、画像形
成装置に設置された現像剤カートリッジ保持部に着脱可
能であり、回転することにより現像剤を補給する現像剤
カートリッジにおいて、前記現像剤カートリッジのカー
トリッジ現像剤補給部に、現像剤補給口を有する栓を前
記現像剤カートリッジと一体回転可能で、かつ回転中心
軸方向に進退して前記現像剤補給口を開閉可能に設けた
ことを特徴としている。In order to solve the above-mentioned problems and to achieve the object, the invention according to the first aspect of the present invention is capable of being detachably mounted on a developer cartridge holding portion installed in an image forming apparatus, and being rotatable. In the developer cartridge for replenishing the developer, a stopper having a developer replenishing port is rotatable integrally with the developer cartridge in the cartridge developer replenishing portion of the developer cartridge, and moves forward and backward in the rotation center axis direction. The developer supply port is provided so as to be openable and closable.
【０００７】このように、現像剤カートリッジは、栓を
外さないで進退させることで現像剤補給口を開閉する簡
単な構成であり、また現像剤カートリッジの装着前や取
り外し時には、栓の現像剤補給口を確実に塞ぎシール性
がよく、現像剤の漏れが防止される。As described above, the developer cartridge has a simple structure in which the developer supply port is opened and closed by moving forward and backward without removing the stopper, and before the developer cartridge is attached or removed, the developer is supplied to the stopper. The mouth is reliably closed, the sealing property is good, and leakage of the developer is prevented.
【０００８】請求項２記載の発明の現像剤カートリッジ
は、前記現像剤カートリッジのカートリッジ現像剤補給
部と前記栓との間に設けた係合部により、前記栓を前記
現像剤カートリッジと一体回転可能にし、前記現像剤カ
ートリッジ保持部に対してネジ部による回転で前記栓を
回転中心軸方向に進退して前記現像剤補給口を開閉可能
にしたことを特徴としている。In the developer cartridge according to the present invention, the stopper can be integrally rotated with the developer cartridge by an engaging portion provided between the cartridge developer supply portion of the developer cartridge and the stopper. The stopper is advanced and retracted in the direction of the rotation center axis by rotation of the screw portion with respect to the developer cartridge holding portion, so that the developer supply port can be opened and closed.
【０００９】このように、現像剤カートリッジを回転さ
せることにより栓が回転中心軸方向に進退して現像剤補
給口を開閉する簡単な構造で、栓の現像剤補給口から現
像剤を現像剤収容部へ供給可能にすることができる。As described above, the plug is advanced and retracted in the direction of the rotation center axis by rotating the developer cartridge to open and close the developer supply port, and the developer is stored from the developer supply port of the plug. It can be made available for supply to the department.
【００１０】請求項３記載の発明の現像剤カートリッジ
は、画像形成装置に設置された現像剤カートリッジ保持
部に着脱可能であり、回転することにより現像剤を補給
する現像剤カートリッジにおいて、前記現像剤カートリ
ッジのカートリッジ現像剤補給部に、現像剤補給口を有
する栓を回転が規制された状態で前記現像剤カートリッ
ジの回転で回転中心軸方向に進退して前記現像剤補給口
を開閉可能に設けたことを特徴としている。According to a third aspect of the present invention, in the developer cartridge of the first aspect, the developer cartridge is detachable from a developer cartridge holding portion provided in the image forming apparatus, and replenishes the developer by rotating. A stopper having a developer supply port is provided in the cartridge developer supply section of the cartridge so that the developer supply port can be opened and closed by moving forward and backward in the rotation center axis direction by rotation of the developer cartridge in a state where rotation is regulated. It is characterized by:
【００１１】このように、現像剤カートリッジが、現像
剤カートリッジ保持部で栓の回転が規制された状態で一
体回転することで、栓が現像剤カートリッジの回転中心
軸方向に進退して現像剤補給口から現像剤を現像剤収容
部へ供給可能になる。しかも、現像剤カートリッジは、
栓を外さないで進退させることで現像剤補給口を開閉す
る簡単な構成であり、また現像剤カートリッジの装着前
や取り外し時には、栓の現像剤補給口を確実に塞ぎシー
ル性がよく、現像剤の漏れが防止される。As described above, the developer cartridge is integrally rotated with the rotation of the plug being restricted by the developer cartridge holding portion, so that the plug advances and retreats in the rotation axis direction of the developer cartridge to supply the developer. The developer can be supplied from the mouth to the developer accommodating section. Moreover, the developer cartridge
It is a simple configuration that opens and closes the developer supply port by moving it forward and backward without removing the plug.Also, before installing or removing the developer cartridge, the developer supply port of the plug is securely closed, and the sealability is good. Leakage is prevented.
【００１２】請求項４記載の発明の現像剤カートリッジ
は、前記現像剤カートリッジ保持部により前記栓の回転
を規制した状態で、前記現像剤カートリッジのカートリ
ッジ現像剤補給部と前記栓に設けたネジ部により、前記
現像剤カートリッジの回転で前記栓を前記現像剤カート
リッジの回転中心軸方向に進退して前記現像剤補給口を
開閉可能にしたことを特徴としている。In the developer cartridge according to the present invention, the rotation of the plug is regulated by the developer cartridge holding portion, and the screw portion provided on the cartridge developer supply portion of the developer cartridge and the plug. Thus, the developer supply port can be opened and closed by rotating and retracting the stopper in the direction of the rotation center axis of the developer cartridge by rotation of the developer cartridge.
【００１３】このように、現像剤カートリッジは、現像
剤カートリッジ保持部と栓とに形成したガイド部と、現
像剤カートリッジと栓とに設けたネジ部とによる簡単な
構造であり、この構造により栓を現像剤カートリッジの
回転中心軸方向に進退させて現像剤補給口を開閉するこ
とができる。As described above, the developer cartridge has a simple structure including the guide portion formed on the developer cartridge holding portion and the stopper, and the screw portion provided on the developer cartridge and the stopper. Can be moved in the direction of the rotation center axis of the developer cartridge to open and close the developer supply port.
【００１４】請求項５記載の発明は、現像剤カートリッ
ジ保持部に現像剤カートリッジが着脱可能であり、前記
現像剤カートリッジ保持部が前記現像剤カートリッジを
装着した状態で現像剤補給駆動により回転し、現像剤収
容部に現像剤を補給する現像剤補給装置を備えた画像形
成装置において、前記現像剤カートリッジのカートリッ
ジ現像剤補給部に、現像剤補給口を有する栓を前記現像
剤カートリッジと一体回転可能でかつ回転中心軸方向に
進退可能に設け、一方前記栓と前記現像剤カートリッジ
保持部との間は、前記現像剤カートリッジ保持部の固定
状態で、前記栓の回転力で前記栓を前記現像剤カートリ
ッジの回転中心軸方向に進退させ、前記栓の現像剤補給
口から現像剤を前記現像剤収容部へ供給可能に構成した
ことを特徴としている。According to a fifth aspect of the present invention, a developer cartridge can be attached to and detached from a developer cartridge holding portion, and the developer cartridge holding portion is rotated by a developer replenishing drive with the developer cartridge mounted. In an image forming apparatus provided with a developer replenishing device for replenishing developer to a developer accommodating portion, a stopper having a developer replenishing port can be integrally rotated with the developer cartridge in a cartridge developer replenishing portion of the developer cartridge. And between the stopper and the developer cartridge holding portion, while the developer cartridge holding portion is fixed, the plug is rotated by the turning force of the plug to form the developer between the stopper and the developer cartridge holding portion. The cartridge is advanced and retracted in the direction of the rotation center axis, so that the developer can be supplied to the developer accommodating portion from the developer supply port of the stopper. That.
【００１５】このように、栓と現像剤カートリッジとを
一体回転し、現像剤カートリッジ保持部で栓の回転によ
り栓を現像剤カートリッジの回転中心軸方向に進退さ
せ、栓の現像剤補給口から現像剤を現像剤収容部へ供給
可能にする。しかも、栓を外さないで進退させることで
現像剤補給口を開閉する簡単な構成である。また、現像
剤カートリッジの装着前や取り外し時には、栓の現像剤
補給口を確実に塞ぎシール性がよく、現像剤の漏れが防
止される。As described above, the stopper and the developer cartridge are integrally rotated, and the stopper is moved in the direction of the rotation center axis of the developer cartridge by the rotation of the stopper in the developer cartridge holding portion. The developer can be supplied to the developer container. Moreover, the opening / closing of the developer supply port can be easily opened and closed without removing the stopper. In addition, before the developer cartridge is mounted or when the developer cartridge is removed, the developer supply port of the stopper is securely closed, and the sealing property is good, and leakage of the developer is prevented.
【００１６】請求項６記載の発明の画像形成装置は、前
記現像剤カートリッジのカートリッジ現像剤補給部と栓
との間に設けたガイド部により、前記栓を前記現像剤カ
ートリッジの回転中心軸方向に進退可能にガイドし、前
記現像剤カートリッジ保持部と前記栓とに設けたネジ部
により、前記現像剤カートリッジの回転力で前記栓を前
記現像剤カートリッジの回転中心軸方向に進退可能に構
成したことを特徴としている。According to a sixth aspect of the present invention, in the image forming apparatus, the stopper is moved in the direction of the rotation center axis of the developer cartridge by a guide portion provided between the cartridge developer supply portion of the developer cartridge and the stopper. The plug is guided so as to be able to advance and retreat, and the screw is provided on the developer cartridge holding portion and the stopper so that the stopper can be moved forward and backward in the rotation center axis direction of the developer cartridge by the rotational force of the developer cartridge. It is characterized by.
【００１７】このように、栓と現像剤カートリッジとに
形成したガイド部と、現像剤カートリッジ保持部と栓と
に設けたネジ部とによる簡単な構造で、栓を現像剤カー
トリッジの回転中心軸方向に進退させ、栓の現像剤補給
口から現像剤を現像剤収容部へ供給可能にする。As described above, the stopper is formed in a simple structure including the guide portion formed on the stopper and the developer cartridge, and the screw portion provided on the developer cartridge holding portion and the stopper. To allow the developer to be supplied to the developer container from the developer supply port of the stopper.
【００１８】請求項７記載の発明の画像形成装置は、現
像剤カートリッジ保持部に現像剤カートリッジが着脱可
能であり、前記現像剤カートリッジ保持部が前記現像剤
カートリッジを装着した状態で現像剤補給駆動により回
転し、現像剤収容部に現像剤を補給する現像剤補給装置
を備えた画像形成装置において、前記現像剤カートリッ
ジのカートリッジ現像剤補給部に、現像剤補給口を有す
る栓を回転が規制された状態で前記現像剤カートリッジ
の回転で回転中心軸方向に進退可能に設け、一方前記栓
と前記現像剤カートリッジ保持部との間は、前記栓の回
転を規制した状態で前記栓を前記現像剤カートリッジの
回転中心軸方向に進退させ、前記栓の現像剤補給口から
現像剤を前記現像剤収容部へ供給可能に構成したことを
特徴としている。In the image forming apparatus according to the present invention, the developer cartridge can be detachably mounted on the developer cartridge holding section, and the developer replenishing drive is performed in a state where the developer cartridge holding section has the developer cartridge mounted thereon. In the image forming apparatus provided with a developer replenishing device for replenishing the developer into the developer accommodating portion, rotation of a stopper having a developer replenishing port in the cartridge developer replenishing portion of the developer cartridge is restricted. The developer cartridge is provided so as to be able to advance and retreat in the direction of the rotation center axis by the rotation of the developer cartridge while the developer is held between the stopper and the developer cartridge holding portion while the rotation of the stopper is regulated. The cartridge is advanced and retracted in the direction of the rotation center axis of the cartridge, so that the developer can be supplied to the developer accommodating portion from the developer supply port of the stopper.
【００１９】このように、現像剤カートリッジ保持部で
栓の回転を規制した状態で、現像剤カートリッジを一体
回転し、この現像剤カートリッジの回転で栓を現像剤カ
ートリッジの回転中心軸方向に進退させ、栓の現像剤補
給口から現像剤を現像剤収容部へ供給可能にする。しか
も、栓を外さないで進退させることで現像剤補給口を開
閉する簡単な構成である。また、現像剤カートリッジの
装着前や取り外し時には、栓の現像剤補給口を確実に塞
ぎシール性がよく、現像剤の漏れが防止される。As described above, the developer cartridge is integrally rotated with the rotation of the plug being regulated by the developer cartridge holding portion, and the rotation of the developer cartridge causes the plug to advance and retreat in the rotation center axis direction of the developer cartridge. The developer can be supplied to the developer accommodating portion from the developer supply port of the stopper. Moreover, the opening / closing of the developer supply port can be easily opened and closed without removing the stopper. In addition, before the developer cartridge is mounted or when the developer cartridge is removed, the developer supply port of the stopper is securely closed, and the sealing property is good, and leakage of the developer is prevented.
【００２０】請求項８記載の発明の画像形成装置は、前
記現像剤カートリッジのカートリッジ現像剤補給部と前
記栓とに設けたネジ部により、前記栓の回転を規制した
状態で、前記現像剤カートリッジの回転で前記栓を前記
現像剤カートリッジの回転中心軸方向に進退させ、前記
現像剤カートリッジ保持部と栓との間に設けたガイド部
により、前記栓の回転を規制して前記現像剤カートリッ
ジの回転中心軸方向に進退可能にガイドするように構成
したことを特徴としている。The image forming apparatus according to claim 8, wherein the rotation of the plug is regulated by a screw portion provided in the cartridge developer supply section of the developer cartridge and the plug. With the rotation of the developer cartridge, the stopper is moved forward and backward in the direction of the rotation center axis of the developer cartridge, and the rotation of the stopper is regulated by a guide portion provided between the developer cartridge holding portion and the stopper so as to prevent the developer cartridge from rotating. It is characterized in that it is configured so as to be able to move forward and backward in the direction of the rotation center axis.
【００２１】このように、現像剤カートリッジ保持部と
栓とに形成したガイド部と、現像剤カートリッジと栓と
に設けたネジ部とによる簡単な構造で、栓を現像剤カー
トリッジの回転中心軸方向に進退させ、栓の現像剤補給
口から現像剤を現像剤収容部へ供給可能にする。As described above, the stopper is formed by the guide portion formed on the developer cartridge holding portion and the stopper and the screw portion provided on the developer cartridge and the stopper. To allow the developer to be supplied to the developer container from the developer supply port of the stopper.
【００２２】[0022]
【発明の実施の形態】以下、この発明の現像剤カートリ
ッジ及び画像形成装置の実施例について説明する。ま
ず、図１乃至図１０の画像形成装置の実施例について説
明する。図１は画像形成装置の概略構成図、図２は画像
形成装置の平面図、図３は画像形成装置の架台を引き出
した状態の概略構成図、図４は画像形成装置の架台を引
き出した状態の平面図、図５は図１のV-V線に沿う断面
図、図６は図５のＡ方向から視た現像剤カートリッジ着
脱扉を閉じた状態を示す図、図７は図５のＡ方向から視
た現像剤カートリッジ着脱扉を開いた状態を示す図、図
８は現像剤カートリッジと現像剤カートリッジ保持部の
装着状態を示す断面図、図９は現像剤カートリッジと現
像剤カートリッジ保持部の装着状態を示す一部拡大断面
図、図１０は現像剤カートリッジと現像剤カートリッジ
保持部の装着開始状態を示す断面図、図１１は現像剤カ
ートリッジを示す図、図１２は栓を示す図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of a developer cartridge and an image forming apparatus according to the present invention will be described. First, an embodiment of the image forming apparatus shown in FIGS. 1 to 10 will be described. 1 is a schematic configuration diagram of the image forming apparatus, FIG. 2 is a plan view of the image forming apparatus, FIG. 3 is a schematic configuration diagram of a state where the gantry of the image forming apparatus is pulled out, and FIG. 5, FIG. 5 is a sectional view taken along the line VV of FIG. 1, FIG. 6 is a view showing a state in which a developer cartridge attaching / detaching door is viewed from a direction A in FIG. 5, and FIG. 7 is a view from a direction A in FIG. FIG. 8 is a view showing a state in which a developer cartridge mounting / dismounting door is opened, FIG. 8 is a cross-sectional view showing a mounted state of a developer cartridge and a developer cartridge holding unit, and FIG. 9 is a mounted state of a developer cartridge and a developer cartridge holding unit. FIG. 10 is a cross-sectional view showing a state in which mounting of the developer cartridge and the developer cartridge holding unit is started, FIG. 11 is a view showing the developer cartridge, and FIG. 12 is a view showing a stopper.
【００２３】画像形成装置１としてのカラーレーザプリ
ンタには、装置本体２に対して架台３が、装置前面方向
に水平に引出可能に備えられている。装置本体２の下部
には、自動給紙カセット４が配置され、前面側壁には手
差し給紙カセット５が開閉可能に配置され、このそれぞ
れのカセットから記録紙が転写部６へ搬送する供給搬送
路７，８が形成されている。自動給紙カセット４に設け
られた底板９はスプリング１０で常にセットされた記録
紙が送出ローラ１１に接するように付勢され、送出ロー
ラ１１の駆動で１枚ずつ記録紙が供給搬送路７に送り出
される。手差し給紙カセット５にセットされた記録紙
は、送出ローラ１２の駆動で１枚ずつ記録紙が供給搬送
路８に送り出される。供給搬送路７，８は転写部６側で
集合され、この供給搬送路７，８には、搬送ローラ対１
３及び搬送ガイド１４が配置され、これらにより記録紙
が転写部６に所定のタイミングで搬送される。The color laser printer as the image forming apparatus 1 is provided with a frame 3 that can be pulled out horizontally in the front direction of the apparatus with respect to the apparatus main body 2. An automatic paper feed cassette 4 is disposed below the apparatus main body 2, and a manual paper feed cassette 5 is disposed on the front side wall so as to be openable and closable. 7, 8 are formed. The bottom plate 9 provided in the automatic paper feed cassette 4 is urged by a spring 10 so that the set recording paper is always in contact with the delivery roller 11, and the delivery paper 11 is driven to feed the recording paper one by one to the supply conveyance path 7. Will be sent out. The recording paper set in the manual paper feed cassette 5 is sent out to the supply conveyance path 8 one by one by driving the sending roller 12. The supply conveyance paths 7 and 8 are gathered at the transfer unit 6 side, and the conveyance rollers 7 and 8
The recording paper is conveyed to the transfer unit 6 at a predetermined timing.
【００２４】転写部６は、像担持体３０に対向する位置
に配置され、像担持体３０周面上の多色像が一括して記
録紙に移される。画像を転写された記録紙の排出搬送路
１５には定着部１６及び排出ローラ１７が配置され、転
写部６から分離した記録紙は、定着部１６へと搬送され
る。定着部１６には、少なくとも一方のローラ内部にヒ
ータを有する２本の圧着ローラ１８で構成され、その２
本の圧着ローラ１８間で熱と圧力とを加えられることに
より付着トナーは溶解し、記録紙上に定着され、この後
排出搬送路１５から排出ローラ１７により装置外へ排出
される。The transfer section 6 is disposed at a position facing the image carrier 30, and the multicolor image on the peripheral surface of the image carrier 30 is transferred to recording paper at a time. A fixing unit 16 and a discharge roller 17 are arranged in a discharge conveyance path 15 for the recording paper on which the image has been transferred, and the recording paper separated from the transfer unit 6 is conveyed to the fixing unit 16. The fixing unit 16 includes two pressure rollers 18 having a heater inside at least one of the rollers.
By applying heat and pressure between the pressure rollers 18, the adhered toner is melted and fixed on the recording paper, and then discharged from the discharge conveyance path 15 to the outside of the apparatus by the discharge roller 17.
【００２５】装置本体２には、像書き込み部２０が設け
られ、像書き込み部２０により画像信号に基づいて像担
持体３０周面上に像露光が行なわれる。像書き込み部２
０はレーザ光源から発光されるレーザ光を回転多面鏡２
１により回転走査され、ｆθレンズ２２、フィルタ２３
を経て反射ミラー２４により光路を曲げられ、予め帯電
された像担持体３０の周面上に投射され、像担持体３０
の表面に潜像が形成される。The apparatus main body 2 is provided with an image writing section 20, and the image writing section 20 performs image exposure on the peripheral surface of the image carrier 30 based on an image signal. Image writing unit 2
Reference numeral 0 denotes a laser beam emitted from a laser light source,
1, the fθ lens 22 and the filter 23
The optical path is bent by the reflecting mirror 24 through the mirror, and is projected onto the peripheral surface of the image carrier 30 which is charged in advance, and the image carrier 30
A latent image is formed on the surface of.
【００２６】像担持体３０は、架台３に一方向（図では
時計回り方向）に駆動回転に設けられ、さらに架台３に
は、像担持体３０の周囲に、ＰＣＬ３１、帯電器３２、
現像器３３、クリーニング部３４及び除電器３５が配置
されている。ＰＣＬ３１による除電を行なって前回プリ
ント時の帯電を除去された後、帯電器３２により周面に
対し一様に帯電され、新たなプリントに備える。この一
様帯電の後、像書き込み部２０により画像信号に基づい
て像露光が行なわれる。The image carrier 30 is provided on the gantry 3 for driving rotation in one direction (clockwise direction in the figure), and the gantry 3 is provided with a PCL 31, a charger 32,
A developing unit 33, a cleaning unit 34, and a static eliminator 35 are arranged. After the static electricity is removed by the PCL 31 to remove the charge at the time of the previous print, the peripheral surface is uniformly charged by the charger 32 to prepare for a new print. After the uniform charging, the image writing unit 20 performs image exposure based on the image signal.
【００２７】像担持体３０の周縁にはイエロー（Ｙ）、
マゼンタ（Ｍ）、シアン（Ｃ）、ブラック（Ｋ）のトナ
ーと磁性を有するキャリアとの混合剤で構成される現像
剤を充填した現像器３３が設けられ、この現像器３３に
は撹拌スクリュー３６、搬送回転体３７及び現像剤担持
体３８が備えられている。まず、１色目の現像がマグネ
ットを内蔵し回転する現像剤担持体３８によって行なわ
れる。現像剤は層形成棒３９によって現像剤担持体３８
上に所定の厚さに規制されて現像域へと搬送される。像
担持体３０と現像剤担持体３８との間にはＡＣバイヤス
電圧とＤＣバイヤス電圧とが重畳して印加され、公知の
方法により顕像化される。On the periphery of the image carrier 30, yellow (Y),
A developing device 33 filled with a developer composed of a mixture of magenta (M), cyan (C), and black (K) toners and a magnetic carrier is provided. , A transport rotator 37 and a developer carrier 38 are provided. First, development of the first color is performed by a rotating developer carrying member 38 with a built-in magnet. The developer is supplied to a developer carrier 38 by a layer forming rod 39.
The sheet is conveyed to the developing area while being regulated to a predetermined thickness. An AC bias voltage and a DC bias voltage are superimposed and applied between the image carrier 30 and the developer carrier 38, and are visualized by a known method.
【００２８】このようにして１色目の現像が終わった
後、２色目（マゼンタ）の画像形成工程に入り、再び像
担持体３０が一様帯電され、３色目（シアン）、４色目
（ブラック）についても２色目と同様の画像形成工程が
行なわれ、像担持体３０には計４色の現像がなされる。After the development of the first color is completed, the image forming process for the second color (magenta) is started, the image carrier 30 is uniformly charged again, and the third color (cyan) and the fourth color (black) are formed. , An image forming process similar to that for the second color is performed, and the image carrier 30 is developed for a total of four colors.
【００２９】架台３には、現像剤補給装置４０が備えら
れ、現像剤補給装置４０には、４色の現像剤収容部４１
と、この現像剤収容部４１に現像剤を供給する４色の現
像剤カートリッジ４２が備えられている。現像剤収容部
４１と現像剤カートリッジ４２は、図１及び図３に示す
ように、装置本体上方に設置されており、かつ、図２及
び図４に示すように、４色の現像剤収容部４１及び現像
剤カートリッジ４２が並列して設置されている。The gantry 3 is provided with a developer replenishing device 40. The developer replenishing device 40 has a developer accommodating portion 41 for four colors.
And a developer cartridge 42 of four colors for supplying a developer to the developer accommodating portion 41. The developer accommodating portion 41 and the developer cartridge 42 are installed above the apparatus main body as shown in FIGS. 1 and 3, and as shown in FIGS. 2 and 4, the developer accommodating portions of four colors are provided. 41 and a developer cartridge 42 are arranged in parallel.
【００３０】現像剤カートリッジ４２は現像剤カートリ
ッジ保持部４３に回転させながら装着され、その状態で
現像剤カートリッジ保持部４３が回転すると、図１、図
２及び図８の矢印に示すように、現像剤が現像剤カート
リッジ４２から現像剤カートリッジ保持部４３を通って
現像剤収容部４１へ補給される。４色の現像剤収容部４
１の下部には、それぞれに対応して現像剤搬送スクリュ
ー４４が設けられ、この現像剤搬送スクリュー４４の回
転により現像剤収容部４１内の現像剤を、それぞれの現
像器３３に対応して配置された補給通路４５に導き、こ
の補給通路４５から現像剤を落下させて対応する現像器
３３に供給する。The developer cartridge 42 is mounted on the developer cartridge holder 43 while rotating it. When the developer cartridge holder 43 rotates in this state, the developing cartridge 42 is rotated as shown by arrows in FIGS. 1, 2 and 8. The developer is supplied from the developer cartridge 42 to the developer accommodating section 41 through the developer cartridge holding section 43. Four-color developer container 4
In the lower part of the developing device 1, a developer conveying screw 44 is provided correspondingly, and the developer in the developer accommodating portion 41 is arranged corresponding to each developing device 33 by the rotation of the developer conveying screw 44. The developer is guided to the supplied replenishment passage 45, and the developer is dropped from the replenishment passage 45 and supplied to the corresponding developing device 33.
【００３１】現像剤カートリッジ保持部４３には、図８
に示すように、補給開口部４３ａを有するハウジング部
４３ｂが一体に形成され、このハウジング部４３ｂが現
像剤収容部４１に回動可能に軸支され、ハウジング部４
３ｂの先端部には従動歯車４６が一体に設けられてい
る。従動歯車４６には、それぞれ連結歯車４７が噛み合
って連動される。As shown in FIG.
As shown in FIG. 5, a housing portion 43b having a supply opening 43a is integrally formed, and this housing portion 43b is rotatably supported by the developer accommodating portion 41 so as to be rotatable.
A driven gear 46 is integrally provided at the tip of 3b. The connection gears 47 mesh with the driven gears 46 and are interlocked with each other.
【００３２】架台３の一方側に配置された現像剤カート
リッジ保持部４３には、その従動歯車４６に、図５乃至
図７に示すように、方向変換歯車４８が噛み合い、この
方向変換歯車４８に中間大径歯車４９が噛み合い回転駆
動が９０度方向変換されている。中間大径歯車４９は、
図６及び図７に示すように、中間小径歯車５０を介して
駆動歯車５１に連結されている。駆動歯車５１には図示
しない装置本体２からの駆動力を伝達する歯車が噛み合
い、駆動歯車５１の回転駆動が中間小径歯車５０、中間
大径歯車４９及び方向変換歯車４８を介して現像剤カー
トリッジ保持部４３の従動歯車４６に伝達され、連結歯
車４７を介してそれぞれの４色の現像剤カートリッジ保
持部４３が連動して回転する。As shown in FIGS. 5 to 7, a direction changing gear 48 meshes with a driven gear 46 of the developer cartridge holding portion 43 arranged on one side of the gantry 3, and the direction changing gear 48 The intermediate large-diameter gear 49 meshes and the rotational drive is changed by 90 degrees. The intermediate large-diameter gear 49 is
As shown in FIGS. 6 and 7, it is connected to a drive gear 51 via an intermediate small-diameter gear 50. The drive gear 51 meshes with a gear for transmitting a driving force from the apparatus main body 2 (not shown), and the rotation of the drive gear 51 is held by the intermediate small-diameter gear 50, the intermediate large-diameter gear 49, and the direction conversion gear 48 to hold the developer cartridge. The developer cartridge holding units 43 of the four colors are transmitted to the driven gear 46 of the unit 43 and are rotated via the connecting gear 47 in conjunction with each other.
【００３３】架台３には、現像剤カートリッジ４２を現
像剤カートリッジ保持部４３に対して着脱する際に、現
像剤補給駆動を規制する駆動規制手段６０が設置されて
いる。駆動規制手段６０は、図７に示すように、現像剤
カートリッジ着脱扉６１を開くと規制レバー６２を規制
方向へ作動して現像剤補給駆動を規制し、図６に示すよ
うに、現像剤カートリッジ着脱扉６１を閉めると規制レ
バー６２を規制解除方向へ作動して現像剤補給駆動の規
制を解除する。現像剤カートリッジ着脱扉６１は支持ピ
ン６３を支点に回動可能に架台３に設けられ、架台３の
外装を兼ねている。この現像剤カートリッジ着脱扉６１
は、現像剤カートリッジ４２を現像剤カートリッジ保持
部４３に対して着脱する際に開閉し、アーム部６１ａに
は突起部６１ｂとストッパー部６１ｃが形成されてい
る。規制レバー６２は支持ピン６４を支点にして架台３
に回動可能に設けられ、爪部６２ａが駆動歯車５１に係
脱可能に構成され、規制レバー６２の爪部６２ａが係合
すると駆動歯車５１の回転が規制され、一方係合が解除
されると回転可能になる。The gantry 3 is provided with a drive restricting means 60 for restricting the developer replenishing drive when the developer cartridge 42 is attached to and detached from the developer cartridge holding portion 43. When the developer cartridge attaching / detaching door 61 is opened as shown in FIG. 7, the drive regulating means 60 operates the regulating lever 62 in the regulating direction to regulate the developer replenishment drive. As shown in FIG. When the detachable door 61 is closed, the regulation lever 62 is operated in the regulation release direction to release the regulation of the developer supply drive. The developer cartridge attaching / detaching door 61 is rotatably provided on the gantry 3 with the support pin 63 as a fulcrum, and also serves as an exterior of the gantry 3. This developer cartridge attaching / detaching door 61
Is opened and closed when the developer cartridge 42 is attached to and detached from the developer cartridge holder 43. The arm 61a is provided with a projection 61b and a stopper 61c. The control lever 62 is supported by the support pin 64 as a fulcrum.
The claw portion 62a is configured to be disengageable from the drive gear 51, and when the claw portion 62a of the regulating lever 62 is engaged, the rotation of the drive gear 51 is regulated and one engagement is released. And become rotatable.
【００３４】現像剤カートリッジ着脱扉６１は、規制レ
バー６２を作動し、現像剤カートリッジ着脱扉６１を閉
じた状態では、図６に示すように、突起部６１ｂが規制
レバー６２の爪部６２ａ側を持ち上げる。このため爪部
６２ａが駆動歯車５１に係合しないため、駆動歯車５１
が回転される。一方、現像剤カートリッジ着脱扉６１を
開いた状態では、図７に示すように、突起部６１ｂが規
制レバー６２の爪部６２ａと反対側を持ち上げ、ストッ
パー部６１ｃが係止部６５に係合して保持され、爪部６
２ａが駆動歯車５１に係合して回転が規制される。When the developer cartridge attaching / detaching door 61 operates the regulating lever 62 and the developer cartridge attaching / detaching door 61 is closed, as shown in FIG. lift. For this reason, since the claw portion 62a does not engage with the drive gear 51, the drive gear 51
Is rotated. On the other hand, when the developer cartridge attaching / detaching door 61 is opened, as shown in FIG. 7, the protrusion 61 b lifts the side opposite to the claw 62 a of the regulating lever 62, and the stopper 61 c engages with the locking portion 65. And held by the claws 6
2a is engaged with the drive gear 51 to restrict the rotation.
【００３５】このように、現像剤カートリッジ４２を現
像剤カートリッジ保持部４３に対して着脱する際に、現
像剤補給駆動が規制されており、例えば現像剤カートリ
ッジ４２を交換するとき等、現像剤カートリッジ保持部
４３が静止しているため、現像剤カートリッジ４２を現
像剤カートリッジ保持部４３に着脱しやすく、メンテナ
ンスの作業を簡単且つ迅速に行なうことができる。As described above, when the developer cartridge 42 is attached to and detached from the developer cartridge holding portion 43, the developer replenishing drive is regulated. For example, when the developer cartridge 42 is replaced, Since the holding section 43 is stationary, the developer cartridge 42 can be easily attached to and detached from the developer cartridge holding section 43, and maintenance work can be performed easily and quickly.
【００３６】また、現像剤カートリッジ着脱扉６１を開
くと現像剤補給駆動を規制し、現像剤カートリッジ着脱
扉６１を閉めると現像剤補給駆動の規制を解除し、現像
剤カートリッジ着脱扉６１は、現像剤カートリッジ４２
を装着する際には必ず開き、取り出す際には必ず閉じる
ため、特別な現像剤カートリッジ着脱扉６１の開閉機構
が不要で構造が簡単であり、しかも現像剤カートリッジ
４２の着脱が容易でかつ現像剤の漏れも防止される。When the developer cartridge attachment / detachment door 61 is opened, the developer supply drive is regulated, and when the developer cartridge attachment / detachment door 61 is closed, the regulation of the developer supply drive is released. Agent cartridge 42
The opening and closing mechanism of the door 61 for attaching and detaching the developer cartridge is not required, so that the structure is simple, and the attaching and detaching of the developer cartridge 42 is easy. Leakage is also prevented.
【００３７】また、現像剤カートリッジ着脱扉６１に連
結して、現像剤補給駆動を規制させる手段を設けること
によって、ソレノイド等の電気部品により現像剤補給駆
動を規制させるより安価に、しかも確実に規制可能であ
る。Further, by providing means for restricting the developer replenishing drive by connecting to the developer cartridge attaching / detaching door 61, it is possible to control the developer replenishing drive with an electric component such as a solenoid at a lower cost and more reliably. It is possible.
【００３８】なお、現像剤カートリッジ４２を回転させ
る駆動を規制する手段はこれに限らず、駆動規制手段を
現像剤カートリッジ着脱扉６１に直接設置してもよい。
また、現像剤カートリッジ４２を着脱しようとする際
に、現像剤カートリッジ着脱扉６１の開閉を検知し、ソ
レノイドにより駆動を規制する構造でも良い。The means for controlling the drive for rotating the developer cartridge 42 is not limited to this, and the drive control means may be directly installed on the developer cartridge attaching / detaching door 61.
Further, when the developer cartridge 42 is to be attached or detached, the opening / closing of the developer cartridge attaching / detaching door 61 may be detected, and the driving may be regulated by a solenoid.
【００３９】この現像剤補給装置４０では、現像剤カー
トリッジ保持部４３に現像剤カートリッジ４２を回転さ
せながら着脱可能であり、現像剤カートリッジ保持部４
３に現像剤カートリッジ４２を装着した状態で現像剤補
給駆動により回転し、現像剤収容部４１に現像剤を補給
する。In this developer replenishing device 40, the developer cartridge 42 can be attached to and detached from the developer cartridge holder 43 while rotating the developer cartridge 42.
In the state in which the developer cartridge 42 is mounted on the cartridge 3, the developer cartridge is rotated by the developer supply drive to supply the developer to the developer accommodating portion 41.
【００４０】現像剤カートリッジ４２を図１１に示す。
図１１（ａ）は現像剤カートリッジ４２の正面図、図１
１（ｂ）は図１１（ａ）のXI-XI線に沿う断面図であ
る。現像剤カートリッジ４２のカートリッジ現像剤補給
部４２ａが円筒状に形成され、さらにカートリッジ現像
剤補給部４２ａの外側に雄ネジ４２ｈが形成され、また
カートリッジ現像剤補給部４２ａの内側には一対の凸部
４２ｂが対称位置に形成されている。FIG. 11 shows the developer cartridge 42.
FIG. 11A is a front view of the developer cartridge 42, and FIG.
FIG. 1B is a sectional view taken along line XI-XI in FIG. A cartridge developer replenishing portion 42a of the developer cartridge 42 is formed in a cylindrical shape, a male screw 42h is formed outside the cartridge developer replenishing portion 42a, and a pair of convex portions are formed inside the cartridge developer replenishing portion 42a. 42b is formed at a symmetric position.
【００４１】カートリッジ現像剤補給部４２ａには、栓
７０が設けられている。栓７０を図１２に示す。図１２
（ａ）は栓７０の正面図、図１２（ｂ）は図１２（ａ）
の栓７０の平面図、図１２（ｃ）は図１２（ａ）の栓７
０の左側面図、図１２（ｄ）は図１２（ａ）の栓７０の
右側面図、図１２（ｅ）は図１２（ａ）のXII-XII線に
沿う断面図である。A stopper 70 is provided in the cartridge developer supply section 42a. The stopper 70 is shown in FIG. FIG.
(A) is a front view of the stopper 70, and (b) of FIG. 12 is (a) of FIG.
12 (c) is a plan view of the stopper 70 of FIG.
12 (d) is a right side view of the plug 70 of FIG. 12 (a), and FIG. 12 (e) is a sectional view taken along line XII-XII of FIG. 12 (a).
【００４２】栓７０の軸部７０ｈには、現像剤補給口７
０ａが対称の位置に形成され、さらに軸部７０ｈには軸
方向に溝部７０ｂが形成されている。溝部７０ｂにはカ
ートリッジ現像剤補給部４２ａに形成した凸部４２ｂが
係合して、栓７０が現像剤カートリッジ４２と一体回転
可能でかつ回転中心軸方向Ｌ１に進退可能に設けられて
いる。栓７０の軸方向の溝部７０ｂと、カートリッジ現
像剤補給部４２ａの凸部４２ｂとが、現像剤カートリッ
ジ４２のカートリッジ現像剤補給部４２ａと栓７０との
間に設けた栓７０の回転を規制して現像剤カートリッジ
４２の回転中心軸方向Ｌ１に進退可能にガイドするガイ
ド部Ａを構成している。The shaft 70h of the stopper 70 has a developer supply port 7
0a is formed at a symmetrical position, and a groove 70b is formed in the shaft 70h in the axial direction. A convex portion 42b formed in the cartridge developer supply portion 42a is engaged with the groove portion 70b, and the stopper 70 is provided so as to be able to rotate integrally with the developer cartridge 42 and to advance and retreat in the rotation center axis direction L1. The axial groove 70b of the plug 70 and the projection 42b of the cartridge developer supply section 42a regulate the rotation of the plug 70 provided between the cartridge developer supply section 42a of the developer cartridge 42 and the plug 70. The guide portion A guides the developer cartridge 42 so as to be able to advance and retreat in the rotation center axis direction L1 of the developer cartridge 42.
【００４３】また、栓７０の頭部７０ｃには、雄ネジ７
０ｄが対称位置に形成されている。The head 70c of the plug 70 has a male screw 7
0d is formed at the symmetric position.
【００４４】現像剤カートリッジ保持部４３のハウジン
グ部４３ｂには、補給開口部４３ａが形成され、またハ
ウジング部４３ｂの内側奥部４３ｈには雌ネジ４３ｃが
形成され、内側開口部４３ｉには雌ネジ４３ｊが形成さ
れている。A supply opening 43a is formed in the housing portion 43b of the developer cartridge holding portion 43, a female screw 43c is formed in an inner deep portion 43h of the housing portion 43b, and a female screw is formed in the inner opening 43i. 43j are formed.
【００４５】図１０に示すように、現像剤カートリッジ
保持部４３に現像剤カートリッジ４２を装着し、現像剤
カートリッジ保持部４３の雌ネジ４３ｃに、栓７０の頭
部７０ｃに形成した雄ネジ７０ｄを噛み合わせ、雌ネジ
４３ｊに現像剤カートリッジ４２のカートリッジ現像剤
補給部４２ａに形成した雄ネジ４２ｈを噛み合わせる。As shown in FIG. 10, the developer cartridge 42 is mounted on the developer cartridge holder 43, and a male screw 70d formed on the head 70c of the plug 70 is inserted into the female screw 43c of the developer cartridge holder 43. The male screw 42h formed in the cartridge developer supply section 42a of the developer cartridge 42 is meshed with the female screw 43j.
【００４６】この状態では、現像剤カートリッジ保持部
４３の固定されているため、現像剤カートリッジ４２を
回転させると栓７０が一体に回転し、この回転力で栓７
０が現像剤カートリッジ４３の回転中心軸方向Ｌ１に進
退し、栓７０が前進して現像剤補給口７０ａが現像剤が
現像剤カートリッジ保持部４３の補給開口部４３ａと対
向する位置にくると、現像剤が現像剤収容部４１へ供給
可能になる。この現像剤カートリッジ保持部４３のハウ
ジング部４３ｂの内部に形成した雌ネジ４３ｃと、栓７
０の頭部７０ｃに形成した雄ネジ７０ｄとからネジ部Ｂ
を構成し、このネジ部Ｂにより現像剤カートリッジ４２
の回転力で栓７０を現像剤カートリッジ４２の回転中心
軸方向Ｌ１に進退させるようにしている。In this state, since the developer cartridge holding portion 43 is fixed, when the developer cartridge 42 is rotated, the stopper 70 rotates integrally, and the rotational force causes the stopper 7 to rotate.
When 0 moves forward and backward in the rotation center axis direction L1 of the developer cartridge 43, the stopper 70 advances, and the developer supply port 70a comes to a position where the developer faces the supply opening 43a of the developer cartridge holding section 43. The developer can be supplied to the developer container 41. A female screw 43c formed inside the housing portion 43b of the developer cartridge holding portion 43,
And the male screw 70d formed in the head 70c
And the screw portion B makes the developer cartridge 42
The plug 70 is advanced and retracted in the rotation center axis direction L1 of the developer cartridge 42 by the rotational force of.
【００４７】このように、栓７０と現像剤カートリッジ
４２とが一体回転し、現像剤カートリッジ保持部４３で
栓７０の回転により栓７０を現像剤カートリッジ４２の
回転中心軸方向Ｌ１に進退させ、栓７０の現像剤補給口
７０ａを現像剤カートリッジ保持部４３の補給開口部４
３ａに対向させることにより、現像剤カートリッジ４２
内部の現像剤が栓７０の現像剤補給口７０ａから現像剤
カートリッジ保持部４３の補給開口部４３ａを通り、現
像剤収容部４１へ供給される。As described above, the stopper 70 and the developer cartridge 42 rotate integrally, and the rotation of the stopper 70 in the developer cartridge holder 43 advances and retreats the stopper 70 in the rotation center axis direction L1 of the developer cartridge 42. 70 is connected to the supply opening 4 of the developer cartridge holder 43.
3a, the developer cartridge 42
The developer inside is supplied from the developer supply port 70 a of the stopper 70 to the developer accommodating section 41 through the supply opening 43 a of the developer cartridge holding section 43.
【００４８】しかも、現像剤の供給が、栓７０を外さな
いで進退させることで現像剤補給口７０ａを開閉する簡
単な構成である。また、現像剤カートリッジ４２の装着
前や取り外し時には、栓７０の現像剤補給口７０ａを確
実に塞ぎシール性がよく、現像剤の漏れが防止される。In addition, the supply of the developer is simple without opening / closing the developer supply port 70a by moving forward / backward without removing the stopper 70. In addition, before the developer cartridge 42 is mounted or removed, the developer supply port 70a of the plug 70 is securely closed, and the sealing property is good, and leakage of the developer is prevented.
【００４９】このように、栓７０と現像剤カートリッジ
４２とに形成したガイド部Ａと、現像剤カートリッジ保
持部４３と栓７０とに設けたネジ部Ｂとによる簡単な構
造で、栓７０を現像剤カートリッジ４２の回転中心軸方
向Ｌ１に進退させ、栓７０の現像剤補給口７０ａから現
像剤を現像剤収容部４１へ供給可能にする。As described above, the stopper 70 is developed with a simple structure including the guide portion A formed on the stopper 70 and the developer cartridge 42 and the screw portion B provided on the developer cartridge holding portion 43 and the stopper 70. The developer cartridge 42 is advanced and retracted in the rotation center axis direction L <b> 1, and the developer can be supplied to the developer accommodating portion 41 from the developer supply port 70 a of the stopper 70.
【００５０】図１３及び図１４は現像剤カートリッジ及
び画像形成装置の他の実施例であり、図１３は現像剤カ
ートリッジと現像剤カートリッジ保持部の装着状態を示
す断面図、図１４は栓を示す図である。FIGS. 13 and 14 show another embodiment of the developer cartridge and the image forming apparatus. FIG. 13 is a sectional view showing the mounting state of the developer cartridge and the developer cartridge holding portion, and FIG. 14 shows a stopper. FIG.
【００５１】この実施例では、前記実施例と同じ部材
は、同じ符号を付して説明を省略する。この現像剤補給
装置４０でも、現像剤カートリッジ保持部４３に現像剤
カートリッジ４２を回転させながら着脱可能であり、現
像剤カートリッジ保持部４３に現像剤カートリッジ４２
を装着した状態で現像剤補給駆動により回転し、現像剤
収容部４１に現像剤を補給する。In this embodiment, the same members as those in the above embodiment are denoted by the same reference numerals, and description thereof will be omitted. The developer replenishing device 40 can also be attached to and detached from the developer cartridge holding portion 43 while rotating the developer cartridge 42.
Is rotated by the developer replenishment drive in a state where is mounted, and the developer is supplied to the developer accommodating portion 41.
【００５２】即ち、現像剤カートリッジ４２のカートリ
ッジ現像剤補給部４２ａが円筒状に形成され、カートリ
ッジ現像剤補給部４２ａの外側に雄ネジ４２ｈが形成さ
れ、また内側には雌ネジ４２ｎが形成されている。この
現像剤カートリッジ４２のカートリッジ現像剤補給部４
２ａに栓７０が設けられる。That is, the cartridge developer supply portion 42a of the developer cartridge 42 is formed in a cylindrical shape, a male screw 42h is formed outside the cartridge developer supply portion 42a, and a female screw 42n is formed inside. I have. The cartridge developer supply section 4 of the developer cartridge 42
A stopper 70 is provided at 2a.
【００５３】栓７０は、図１４に示す。図１４（ａ）は
栓７０の正面図、図１４（ｂ）は図１４（ａ）の栓７０
の左側面図である。栓７０の軸部７０ｈに現像剤補給口
７０ａが形成され、さらに外側には雄ネジ７０ｎが対称
位置に形成されている。また、栓７０の頭部７０ｃに溝
７０ｍが対称位置に形成されている。The stopper 70 is shown in FIG. FIG. 14A is a front view of the stopper 70, and FIG. 14B is a stopper 70 of FIG.
FIG. A developer supply port 70a is formed in a shaft portion 70h of the stopper 70, and a male screw 70n is formed at a symmetrical position on the outer side. A groove 70m is formed in the head 70c of the stopper 70 at a symmetrical position.
【００５４】現像剤カートリッジ保持部４３のハウジン
グ部４３ｂには、補給開口部４３ａが形成されている。
ハウジング部４３ｂの内側奥部４３ｈには、一対のガイ
ド部４３ｆが軸方向に伸ばして形成されている。A supply opening 43a is formed in the housing 43b of the developer cartridge holder 43.
A pair of guide portions 43f are formed in the inner rear portion 43h of the housing portion 43b so as to extend in the axial direction.
【００５５】現像剤カートリッジ４２のカートリッジ現
像剤補給部４２ａに形成した雌ネジ４２ｎと、栓７０に
形成した雄ネジ７０ｎからネジ部Ｃを構成し、栓７０の
回転が規制された状態で、ネジ部Ｃにより現像剤カート
リッジ４２の回転で回転中心軸方向Ｌ１に進退可能にし
ている。A screw portion C is constituted by a female screw 42n formed in the cartridge developer supply section 42a of the developer cartridge 42 and a male screw 70n formed in the plug 70, and the screw is formed in a state where the rotation of the plug 70 is restricted. The portion C allows the developer cartridge 42 to advance and retreat in the rotation center axis direction L1 by rotation.
【００５６】図１３に示すように、現像剤カートリッジ
保持部４３に現像剤カートリッジ４２を装着し、現像剤
カートリッジ保持部４３の一対のガイド部４３ｆに栓７
０の溝７０ｍを係合させ、雌ネジ４３ｊに現像剤カート
リッジ４２のカートリッジ現像剤補給部４２ａに形成し
た雄ネジ４２ｈを噛み合わせる。この現像剤カートリッ
ジ保持部４３の一対のガイド部４３ｆと、栓７０の溝７
０ｍとでガイド部Ｄを構成している。As shown in FIG. 13, the developer cartridge 42 is mounted on the developer cartridge holder 43, and the plug 7 is inserted into a pair of guides 43f of the developer cartridge holder 43.
The male screw 42h formed in the cartridge developer supply section 42a of the developer cartridge 42 is engaged with the female screw 43j by engaging the groove 70m of the No. 0. The pair of guide portions 43 f of the developer cartridge holding portion 43 and the groove 7 of the stopper 70 are provided.
0 m constitutes the guide portion D.
【００５７】このように、栓７０の回転を規制した状態
で、現像剤カートリッジ４２を一体回転させる。する
と、現像剤カートリッジ保持部４３のガイド部４３ｆ
に、栓７０の溝７０ｍが係合しているため、現像剤カー
トリッジ４２のカートリッジ現像剤補給部４２ａに形成
した雌ネジ４２ｎと、栓７０に形成した雄ネジ７０ｎと
から栓７０が現像剤カートリッジ４２の回転中心軸方向
Ｌ１に進退する。As described above, the developer cartridge 42 is integrally rotated while the rotation of the stopper 70 is restricted. Then, the guide portion 43f of the developer cartridge holding portion 43
Since the groove 70m of the plug 70 is engaged with the plug 70, the plug 70 is formed by the female screw 42n formed in the cartridge developer supply portion 42a of the developer cartridge 42 and the male screw 70n formed in the plug 70. 42 in the rotation center axis direction L1.
【００５８】栓７０の前進により図１３に示すように現
像剤補給口７０ａが現像剤カートリッジ保持部４３の補
給開口部４３ａと対向する位置になると、現像剤カート
リッジ４２内の現像剤が栓７０の現像剤補給口７０ａか
ら現像剤カートリッジ保持部４３の補給開口部４３ａを
通り、現像剤収容部４１へ供給される。しかも、現像剤
の供給が、栓７０を外さないで進退させることで現像剤
補給口７０ａを開閉する簡単な構成である。また、現像
剤カートリッジ４２の装着前や取り外し時には、栓７０
の現像剤補給口７０ａを確実に塞ぎシール性がよく、現
像剤の漏れが防止される。As shown in FIG. 13, when the plug 70 advances to a position where the developer supply port 70a faces the supply opening 43a of the developer cartridge holder 43, the developer in the developer cartridge 42 is The developer is supplied from the developer supply port 70 a to the developer accommodating section 41 through the supply opening 43 a of the developer cartridge holding section 43. In addition, the supply of the developer is a simple configuration in which the developer supply port 70a is opened and closed by moving forward and backward without removing the stopper 70. In addition, before the developer cartridge 42 is mounted or removed, the plug 70
The developer replenishing port 70a is reliably closed, the sealing property is good, and leakage of the developer is prevented.
【００５９】また、現像剤カートリッジ保持部４３と栓
７０とに形成したガイド部Ｄと、現像剤カートリッジ４
２と栓７０とに設けたネジ部Ｃとによる簡単な構造で、
栓７０を現像剤カートリッジ４２の回転中心軸方向Ｌ１
に進退させ、栓７０の現像剤補給口７０ａから現像剤を
現像剤収容部４１へ供給可能にする。A guide portion D formed on the developer cartridge holding portion 43 and the stopper 70 and a developer cartridge 4
2 and a simple structure with the screw part C provided on the stopper 70,
The stopper 70 is connected to the rotation center axis direction L1 of the developer cartridge 42.
To allow the developer to be supplied to the developer accommodating portion 41 from the developer supply port 70a of the stopper 70.
【００６０】[0060]
【発明の効果】前記したように、請求項１記載の発明
は、現像剤カートリッジが、栓を外さないで進退させる
ことで現像剤補給口を開閉する簡単な構成であり、また
現像剤カートリッジの装着前や取り外し時には、栓の現
像剤補給口を確実に塞ぎシール性がよく、現像剤の漏れ
を防止することができる。As described above, the first aspect of the present invention has a simple structure in which the developer cartridge is opened and closed by moving the developer cartridge forward and backward without removing the stopper. Before or during removal, the developer supply port of the stopper is securely closed and the sealing property is good, so that leakage of the developer can be prevented.
【００６１】請求項２記載の発明は、現像剤カートリッ
ジが回転することにより栓が回転中心軸方向に進退して
現像剤補給口を開閉する簡単な構造であり、栓の現像剤
補給口から現像剤を現像剤収容部へ供給可能にすること
ができる。The invention according to claim 2 has a simple structure in which the stopper advances and retreats in the rotation center axis direction by opening and closing the developer supply port by rotating the developer cartridge. The developer can be supplied to the developer container.
【００６２】請求項３記載の発明は、現像剤カートリッ
ジが、現像剤カートリッジ保持部で栓の回転が規制され
た状態で一体回転することで、栓が現像剤カートリッジ
の回転中心軸方向に進退して現像剤補給口から現像剤を
現像剤収容部へ供給可能になり、しかも現像剤カートリ
ッジは、栓を外さないで進退させることで現像剤補給口
を開閉する簡単な構成であり、また現像剤カートリッジ
の装着前や取り外し時には、栓の現像剤補給口を確実に
塞ぎシール性がよく、現像剤の漏れを防止することがで
きる。According to the third aspect of the invention, the developer cartridge is integrally rotated with the rotation of the plug being restricted by the developer cartridge holding portion, so that the plug advances and retreats in the direction of the rotation center axis of the developer cartridge. The developer cartridge can be supplied from the developer supply port to the developer container, and the developer cartridge has a simple structure that opens and closes the developer supply port by moving forward and backward without removing the plug. Before the cartridge is mounted or when the cartridge is removed, the developer supply port of the stopper is securely closed and the sealing property is good, so that leakage of the developer can be prevented.
【００６３】請求項４記載の発明は、現像剤カートリッ
ジが、現像剤カートリッジ保持部と栓とに形成したガイ
ド部と、現像剤カートリッジと栓とに設けたネジ部とに
よる簡単な構造であり、この構造により栓を現像剤カー
トリッジの回転中心軸方向に進退させて現像剤補給口を
開閉することができる。According to a fourth aspect of the present invention, the developer cartridge has a simple structure including a guide portion formed on the developer cartridge holding portion and the stopper, and a screw portion provided on the developer cartridge and the stopper. With this structure, the developer supply port can be opened and closed by moving the stopper in the direction of the rotation center axis of the developer cartridge.
【００６４】請求項５記載の発明は、栓と現像剤カート
リッジとを一体回転し、現像剤カートリッジ保持部で栓
の回転により栓を現像剤カートリッジの回転中心軸方向
に進退させ、栓の現像剤補給口から現像剤を現像剤収容
部へ供給可能にし、栓を外さないで進退させることで現
像剤補給口を開閉する簡単な構成である。また、現像剤
カートリッジの装着前や取り外し時には、栓の現像剤補
給口を確実に塞ぎシール性がよく、現像剤の漏れが防止
される。According to a fifth aspect of the present invention, the plug and the developer cartridge are integrally rotated, and the plug is advanced and retracted in the direction of the rotation center axis of the developer cartridge by rotation of the plug in the developer cartridge holding portion. This is a simple configuration in which the developer can be supplied from the supply port to the developer accommodating section, and the developer supply port is opened and closed by moving forward and backward without removing the stopper. In addition, before the developer cartridge is mounted or when the developer cartridge is removed, the developer supply port of the stopper is securely closed, and the sealing property is good, and leakage of the developer is prevented.
【００６５】請求項６記載の発明は、栓と現像剤カート
リッジとに形成したガイド部と、現像剤カートリッジ保
持部と栓とに設けたネジ部とによる簡単な構造であり、
栓を現像剤カートリッジの回転中心軸方向に進退させ、
栓の現像剤補給口から現像剤を現像剤収容部へ供給可能
にし、栓を外さないで進退させることで現像剤補給口を
開閉する簡単な構成である。The invention according to claim 6 is a simple structure comprising a guide portion formed on the stopper and the developer cartridge, and a screw portion provided on the developer cartridge holding portion and the stopper.
Move the stopper in the direction of the rotation axis of the developer cartridge,
This is a simple configuration in which the developer can be supplied to the developer accommodating portion from the developer supply port of the stopper, and the developer supply port is opened and closed by moving forward and backward without removing the stopper.
【００６６】請求項７記載の発明は、現像剤カートリッ
ジ保持部で栓の回転を規制した状態で、現像剤カートリ
ッジを一体回転し、この現像剤カートリッジの回転で栓
を現像剤カートリッジの回転中心軸方向に進退させ、栓
の現像剤補給口から現像剤を現像剤収容部へ供給可能に
し、栓を外さないで進退させることで現像剤補給口を開
閉する簡単な構成である。また、現像剤カートリッジの
装着前や取り外し時には、栓の現像剤補給口を確実に塞
ぎシール性がよく、現像剤の漏れが防止される。According to a seventh aspect of the present invention, the developer cartridge is integrally rotated with the rotation of the plug being regulated by the developer cartridge holding portion, and the rotation of the developer cartridge causes the plug to rotate. This is a simple configuration in which the developer replenishing port can be opened and closed by allowing the developer to be supplied to the developer accommodating portion from the developer replenishing port of the stopper by allowing the developer to be supplied and retracted without removing the stopper. In addition, before the developer cartridge is mounted or when the developer cartridge is removed, the developer supply port of the stopper is securely closed, and the sealing property is good, and leakage of the developer is prevented.
【００６７】請求項８記載の発明は、現像剤カートリッ
ジ保持部と栓とに形成したガイド部と、現像剤カートリ
ッジと栓とに設けたネジ部とによる簡単な構造で、栓を
現像剤カートリッジの回転中心軸方向に進退させ、栓の
現像剤補給口から現像剤を現像剤収容部へ供給可能に
し、栓を外さないで進退させることで現像剤補給口を開
閉する簡単な構成である。The invention according to claim 8 has a simple structure comprising a guide portion formed on a developer cartridge holding portion and a stopper, and a screw portion provided on the developer cartridge and the stopper, and the stopper is provided on the developer cartridge. This is a simple configuration in which the developer replenishing port is opened and closed by allowing the developer to be supplied to the developer accommodating portion from the developer replenishing port of the stopper by allowing the developer to retreat in the direction of the rotation center axis, and by allowing the developer to retreat without removing the stopper.
【図１】画像形成装置の概略構成図である。FIG. 1 is a schematic configuration diagram of an image forming apparatus.
【図２】画像形成装置の平面図である。FIG. 2 is a plan view of the image forming apparatus.
【図３】画像形成装置の架台を引き出した状態の概略構
成図である。FIG. 3 is a schematic configuration diagram of a state where a gantry of the image forming apparatus is pulled out.
【図４】画像形成装置の架台を引き出した状態の平面図
である。FIG. 4 is a plan view showing a state where a gantry of the image forming apparatus is pulled out.
【図５】図１のV-V線に沿う断面図である。FIG. 5 is a sectional view taken along the line VV of FIG. 1;
【図６】図５のＡ方向から視た現像剤カートリッジ着脱
扉を閉じた状態を示す図である。FIG. 6 is a view showing a state in which a developer cartridge attaching / detaching door is closed as viewed from a direction A in FIG. 5;
【図７】図５のＡ方向から視た現像剤カートリッジ着脱
扉を開いた状態を示す図である。7 is a view showing a state in which a developer cartridge attaching / detaching door is opened as viewed from a direction A in FIG. 5;
【図８】現像剤カートリッジと現像剤カートリッジ保持
部の装着状態を示す断面図である。FIG. 8 is a cross-sectional view illustrating a mounting state of a developer cartridge and a developer cartridge holding unit.
【図９】現像剤カートリッジと現像剤カートリッジ保持
部の装着状態を示す一部拡大断面図である。FIG. 9 is a partially enlarged cross-sectional view illustrating a mounted state of a developer cartridge and a developer cartridge holding unit.
【図１０】現像剤カートリッジと現像剤カートリッジ保
持部の装着開始状態を示す断面図である。FIG. 10 is a cross-sectional view illustrating a state where the mounting of the developer cartridge and the developer cartridge holding unit is started.
【図１１】現像剤カートリッジを示す図である。FIG. 11 is a diagram illustrating a developer cartridge.
【図１２】栓を示す図である。FIG. 12 shows a stopper.
【図１３】現像剤カートリッジと現像剤カートリッジ保
持部の装着状態を示す他の実施例の断面図である。FIG. 13 is a cross-sectional view of another embodiment illustrating a mounted state of a developer cartridge and a developer cartridge holding unit.
【図１４】栓を示す図である。FIG. 14 is a view showing a stopper.
１ 画像形成装置 ４０ 現像剤補給装置 ４１ 現像剤収容部 ４２ 現像剤カートリッジ ４３ 現像剤カートリッジ保持部 ６０ 駆動規制手段 REFERENCE SIGNS LIST 1 image forming apparatus 40 developer replenishing device 41 developer storage section 42 developer cartridge 43 developer cartridge holding section 60 drive regulating means
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平６−214460（ＪＰ，Ａ) 特開 平６−337586（ＪＰ，Ａ) 特開 平８−185027（ＪＰ，Ａ) 特開 平６−258943（ＪＰ，Ａ) 特開 平７−20701（ＪＰ，Ａ) 特開 平７−20702（ＪＰ，Ａ) 特開 平７−20703（ＪＰ，Ａ) 特開 平７−20705（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) G03G 15/08 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-6-214460 (JP, A) JP-A-6-337586 (JP, A) JP-A-8-185027 (JP, A) JP-A-6-214 258943 (JP, A) JP-A-7-20701 (JP, A) JP-A-7-20702 (JP, A) JP-A-7-20703 (JP, A) JP-A-7-20705 (JP, A) (58) Field surveyed (Int. Cl. 7 , DB name) G03G 15/08
Claims (8)
ッジ保持部に着脱可能であり、回転することにより現像
剤を補給する現像剤カートリッジにおいて、前記現像剤
カートリッジのカートリッジ現像剤補給部に、現像剤補
給口を有する栓を前記現像剤カートリッジと一体回転可
能で、かつ回転中心軸方向に進退して前記現像剤補給口
を開閉可能に設けたことを特徴とする現像剤カートリッ
ジ。A developer cartridge that is detachably attached to a developer cartridge holding unit installed in the image forming apparatus and replenishes the developer by rotating the developer cartridge; A developer cartridge, wherein a stopper having a developer supply port is rotatable integrally with the developer cartridge, and the developer supply port is provided so as to be able to open and close by moving forward and backward in a rotation center axis direction.
像剤補給部と前記栓との間に設けた係合部により、前記
栓を前記現像剤カートリッジと一体回転可能にし、前記
現像剤カートリッジ保持部に対してネジ部による回転で
前記栓を回転中心軸方向に進退して前記現像剤補給口を
開閉可能にしたことを特徴とする請求項１記載の現像剤
カートリッジ。2. The developer cartridge according to claim 1, wherein said stopper is integrally rotatable with said developer cartridge by an engagement portion provided between said cartridge developer supply portion and said stopper. 2. The developer cartridge according to claim 1, wherein the stopper is advanced and retracted in the direction of the center axis of rotation by rotation of the screw portion so that the developer supply port can be opened and closed.
ッジ保持部に着脱可能であり、回転することにより現像
剤を補給する現像剤カートリッジにおいて、前記現像剤
カートリッジのカートリッジ現像剤補給部に、現像剤補
給口を有する栓を回転が規制された状態で前記現像剤カ
ートリッジの回転で回転中心軸方向に進退して前記現像
剤補給口を開閉可能に設けたことを特徴とする現像剤カ
ートリッジ。3. A developer cartridge which is detachably attached to a developer cartridge holding portion provided in an image forming apparatus and which replenishes a developer by rotating, wherein a developer is supplied to a cartridge developer replenishing portion of the developer cartridge. A developer cartridge characterized in that a stopper having a developer supply port is provided so that the developer supply port can be opened and closed by rotating and rotating the developer cartridge in a rotation center axis direction while the rotation of the developer supply port is restricted.
栓の回転を規制した状態で、前記現像剤カートリッジの
カートリッジ現像剤補給部と前記栓に設けたネジ部によ
り、前記現像剤カートリッジの回転で前記栓を前記現像
剤カートリッジの回転中心軸方向に進退して前記現像剤
補給口を開閉可能にしたことを特徴とする請求項３記載
の現像剤カートリッジ。4. In a state in which rotation of the plug is regulated by the developer cartridge holding portion, the cartridge developer replenishing portion of the developer cartridge and a screw portion provided in the plug cause the developer cartridge to rotate and rotate. 4. The developer cartridge according to claim 3, wherein the stopper is advanced and retracted in a rotation axis direction of the developer cartridge to open and close the developer supply port.
リッジが着脱可能であり、前記現像剤カートリッジ保持
部が前記現像剤カートリッジを装着した状態で現像剤補
給駆動により回転し、現像剤収容部に現像剤を補給する
現像剤補給装置を備えた画像形成装置において、前記現
像剤カートリッジのカートリッジ現像剤補給部に、現像
剤補給口を有する栓を前記現像剤カートリッジと一体回
転可能でかつ回転中心軸方向に進退可能に設け、一方前
記栓と前記現像剤カートリッジ保持部との間は、前記現
像剤カートリッジ保持部の固定状態で、前記栓の回転力
で前記栓を前記現像剤カートリッジの回転中心軸方向に
進退させ、前記栓の現像剤補給口から現像剤を前記現像
剤収容部へ供給可能に構成したことを特徴とする画像形
成装置。5. A developer cartridge is detachably mounted on a developer cartridge holding section, and the developer cartridge holding section is rotated by a developer supply drive with the developer cartridge mounted, and a developer is stored in the developer accommodating section. An image forming apparatus provided with a developer replenishing device for replenishing a developer, wherein a plug having a developer replenishing port is rotatable integrally with the developer cartridge at a cartridge developer replenishing portion of the developer cartridge, and is rotatable with respect to the rotation center axis direction. Between the plug and the developer cartridge holding portion, while the developer cartridge holding portion is fixed, the plug is rotated by the turning force of the plug in the direction of the rotation axis of the developer cartridge. An image forming apparatus, wherein the developer is supplied to the developer accommodating portion through a developer supply port of the stopper.
像剤補給部と栓との間に設けたガイド部により、前記栓
を前記現像剤カートリッジの回転中心軸方向に進退可能
にガイドし、前記現像剤カートリッジ保持部と前記栓と
に設けたネジ部により、前記現像剤カートリッジの回転
力で前記栓を前記現像剤カートリッジの回転中心軸方向
に進退可能に構成したことを特徴とする請求項５記載の
画像形成装置。6. The developer cartridge according to claim 1, wherein said stopper is guided by said guide portion provided between said cartridge developer supply portion and said stopper so as to be able to advance and retreat in a direction of a rotation center axis of said developer cartridge. 6. The image according to claim 5, wherein a screw provided on the holding portion and the stopper allows the stopper to advance and retreat in a rotation center axis direction of the developer cartridge by a rotational force of the developer cartridge. Forming equipment.
リッジが着脱可能であり、前記現像剤カートリッジ保持
部が前記現像剤カートリッジを装着した状態で現像剤補
給駆動により回転し、現像剤収容部に現像剤を補給する
現像剤補給装置を備えた画像形成装置において、前記現
像剤カートリッジのカートリッジ現像剤補給部に、現像
剤補給口を有する栓を回転が規制された状態で前記現像
剤カートリッジの回転で回転中心軸方向に進退可能に設
け、一方前記栓と前記現像剤カートリッジ保持部との間
は、前記栓の回転を規制した状態で前記栓を前記現像剤
カートリッジの回転中心軸方向に進退させ、前記栓の現
像剤補給口から現像剤を前記現像剤収容部へ供給可能に
構成したことを特徴とする画像形成装置。7. A developer cartridge can be attached to and detached from the developer cartridge holding section, and the developer cartridge holding section is rotated by a developer replenishment drive with the developer cartridge mounted, and a developer is stored in the developer accommodating section. In an image forming apparatus provided with a developer replenishing device for replenishing a developer, a stopper having a developer replenishing port is provided in a cartridge developer replenishing section of the developer cartridge by rotation of the developer cartridge in a state where rotation is regulated. Provided so as to be able to advance and retreat in the direction of the rotation center axis, while between the stopper and the developer cartridge holding portion, advance and retreat the stopper in the direction of the rotation center axis of the developer cartridge in a state where the rotation of the stopper is regulated, An image forming apparatus, wherein a developer can be supplied to the developer accommodating portion from a developer supply port of the stopper.
像剤補給部と前記栓とに設けたネジ部により、前記栓の
回転を規制した状態で、前記現像剤カートリッジの回転
で前記栓を前記現像剤カートリッジの回転中心軸方向に
進退させ、前記現像剤カートリッジ保持部と栓との間に
設けたガイド部により、前記栓の回転を規制して前記現
像剤カートリッジの回転中心軸方向に進退可能にガイド
するように構成したことを特徴とする請求項７記載の画
像形成装置。8. The developer cartridge is rotated by rotating the developer cartridge in a state in which rotation of the plug is regulated by a screw portion provided in the cartridge developer supply section and the stopper of the developer cartridge. And a guide portion provided between the developer cartridge holding portion and the stopper regulates the rotation of the stopper and guides the developer cartridge to advance and retreat in the rotation center axis direction. 8. The image forming apparatus according to claim 7, wherein the image forming apparatus is configured as described above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32077695A JP3353194B2 (en) | 1995-12-08 | 1995-12-08 | Developer cartridge and image forming apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP32077695A JP3353194B2 (en) | 1995-12-08 | 1995-12-08 | Developer cartridge and image forming apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09160362A JPH09160362A (en) | 1997-06-20 |
| JP3353194B2 true JP3353194B2 (en) | 2002-12-03 |
Family
ID=18125130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32077695A Expired - Fee Related JP3353194B2 (en) | 1995-12-08 | 1995-12-08 | Developer cartridge and image forming apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3353194B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9465317B2 (en) | 2013-02-25 | 2016-10-11 | Ricoh Company, Ltd. | Nozzle insertion member, powder container, and image forming apparatus |
| US9482988B2 (en) | 2011-11-25 | 2016-11-01 | Ricoh Company, Limited | Powder container and image forming apparatus |
| US9482987B2 (en) | 2010-12-03 | 2016-11-01 | Ricoh Company, Ltd. | Powder container, powder supply device and image forming apparatus |
| US9513576B2 (en) | 2013-03-15 | 2016-12-06 | Ricoh Company, Ltd. | Powder container |
| US9740139B2 (en) | 2012-06-03 | 2017-08-22 | Ricoh Company, Ltd. | Powder container including a container portion to be engaged with a powder replenishing device |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10213959A (en) * | 1997-01-30 | 1998-08-11 | Konica Corp | Developer replenishment device and image forming device |
| JP4323818B2 (en) * | 2003-01-22 | 2009-09-02 | キヤノン株式会社 | Developer supply container |
| JP4790647B2 (en) * | 2007-03-07 | 2011-10-12 | シャープ株式会社 | Toner cartridge and image forming apparatus |
| JP6645015B2 (en) | 2015-03-06 | 2020-02-12 | 富士ゼロックス株式会社 | Image forming apparatus and developer container |
-
1995
- 1995-12-08 JP JP32077695A patent/JP3353194B2/en not_active Expired - Fee Related
Cited By (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11550239B2 (en) | 2010-12-03 | 2023-01-10 | Ricoh Company, Ltd. | Powder container, powder supply device and image forming apparatus |
| US10908531B2 (en) | 2010-12-03 | 2021-02-02 | Ricoh Company, Ltd. | Powder container, powder supply device and image forming apparatus |
| US9482987B2 (en) | 2010-12-03 | 2016-11-01 | Ricoh Company, Ltd. | Powder container, powder supply device and image forming apparatus |
| US11281124B2 (en) | 2010-12-03 | 2022-03-22 | Ricoh Company, Ltd. | Powder container, powder supply device and image forming apparatus |
| US9547258B2 (en) | 2010-12-03 | 2017-01-17 | Ricoh Company, Ltd. | Powder container, powder supply device and image forming apparatus |
| US10466623B2 (en) | 2010-12-03 | 2019-11-05 | Ricoh Company, Ltd. | Powder container, powder supply device and image forming apparatus |
| US10281843B2 (en) | 2010-12-03 | 2019-05-07 | Ricoh Company, Ltd. | Powder container, powder supply device and image forming apparatus |
| US11249421B2 (en) | 2010-12-03 | 2022-02-15 | Ricoh Company, Ltd. | Powder container, powder supply device and image forming apparatus |
| US9983509B2 (en) | 2010-12-03 | 2018-05-29 | Ricoh Company, Ltd. | Powder container, powder supply device and image forming apparatus |
| US10156810B2 (en) | 2011-11-25 | 2018-12-18 | Ricoh Company, Ltd. | Powder container and image forming apparatus |
| US11662672B2 (en) | 2011-11-25 | 2023-05-30 | Ricoh Company, Ltd. | Nozzle receiver for use with a toner container |
| US11209748B2 (en) | 2011-11-25 | 2021-12-28 | Ricoh Company, Ltd. | Powder container including a nozzle receiving opening and scoop |
| US11231661B2 (en) | 2011-11-25 | 2022-01-25 | Ricoh Company, Ltd. | Powder container including a container body, nozzle receiver, and seal |
| US9581937B2 (en) | 2011-11-25 | 2017-02-28 | Ricoh Company, Ltd. | Powder container and image forming apparatus |
| US10915039B2 (en) | 2011-11-25 | 2021-02-09 | Ricoh Company, Ltd. | Powder container and image forming apparatus |
| US11397391B2 (en) | 2011-11-25 | 2022-07-26 | Ricoh Company, Ltd. | Powder container including a container body, nozzle receiver, and seal |
| US10564573B2 (en) | 2011-11-25 | 2020-02-18 | Ricoh Company, Ltd. | Powder container and image forming apparatus |
| US11347163B2 (en) | 2011-11-25 | 2022-05-31 | Ricoh Company, Ltd. | Powder container including a nozzle receiving opening and scoop |
| US11874613B2 (en) | 2011-11-25 | 2024-01-16 | Ricoh Company, Ltd. | Powder container with a nozzle receiver |
| US9482988B2 (en) | 2011-11-25 | 2016-11-01 | Ricoh Company, Limited | Powder container and image forming apparatus |
| US9740139B2 (en) | 2012-06-03 | 2017-08-22 | Ricoh Company, Ltd. | Powder container including a container portion to be engaged with a powder replenishing device |
| US10474062B2 (en) | 2012-06-03 | 2019-11-12 | Ricoh Company, Ltd. | Powder container and image forming apparatus |
| US11467516B2 (en) | 2012-06-03 | 2022-10-11 | Ricoh Company, Ltd. | Powder container and image forming apparatus |
| US10948850B2 (en) | 2012-06-03 | 2021-03-16 | Ricoh Company, Ltd. | Powder container and image forming apparatus |
| US10048621B2 (en) | 2013-02-25 | 2018-08-14 | Ricoh Company, Ltd. | Nozzle insertion member, powder container, and image forming apparatus |
| US10908532B2 (en) | 2013-02-25 | 2021-02-02 | Ricoh Company, Ltd. | Nozzle insertion member, powder container, and image forming apparatus |
| US10670990B2 (en) | 2013-02-25 | 2020-06-02 | Ricoh Company, Ltd. | Nozzle insertion member, powder container, and image forming apparatus |
| US10401760B2 (en) | 2013-02-25 | 2019-09-03 | Ricoh Company, Ltd. | Nozzle insertion member, powder container, and image forming apparatus |
| US11543761B2 (en) | 2013-02-25 | 2023-01-03 | Ricoh Company, Ltd. | Powder container including an opening and a shutter with a front end including a surface with lower friction |
| US9465317B2 (en) | 2013-02-25 | 2016-10-11 | Ricoh Company, Ltd. | Nozzle insertion member, powder container, and image forming apparatus |
| US9857729B2 (en) | 2013-02-25 | 2018-01-02 | Ricoh Company, Ltd. | Nozzle insertion member, powder container, and image forming apparatus |
| US10935905B2 (en) | 2013-03-15 | 2021-03-02 | Ricoh Company, Ltd. | Powder container |
| US10809648B2 (en) | 2013-03-15 | 2020-10-20 | Ricoh Company, Ltd. | Powder container |
| US11372347B2 (en) | 2013-03-15 | 2022-06-28 | Ricoh Company, Ltd. | Powder container |
| US10534290B2 (en) | 2013-03-15 | 2020-01-14 | Ricoh Company, Ltd. | Powder container |
| US11803134B2 (en) | 2013-03-15 | 2023-10-31 | Ricoh Company, Ltd. | Powder container |
| US9513576B2 (en) | 2013-03-15 | 2016-12-06 | Ricoh Company, Ltd. | Powder container |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09160362A (en) | 1997-06-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6735403B2 (en) | Image forming apparatus to which a developing cartridge or process cartridge are detachably mountable comprising driving control means for permitting and preventing transmission of a driving force to a winding member | |
| US6560422B2 (en) | Development cartridge, process cartridge, and electrophotographic image forming apparatus, and toner seal member for unsealing an opening for supplying developer by automatically winding up the toner seal member | |
| US7486910B2 (en) | Cartridge detachably mounted to an image forming apparatus including a lock member engagable with a wall of the image forming apparatus | |
| US7813671B2 (en) | Process cartridge and electrophotographic image forming apparatus | |
| US7242893B2 (en) | Developer supply container | |
| JP3408166B2 (en) | Toner supply container and electrophotographic image forming apparatus | |
| US7231164B2 (en) | Developing unit, developing cartridge, and image forming apparatus | |
| EP0779561B1 (en) | Developer container and developer supplying apparatus | |
| JP2001034055A (en) | Developer container and cartridge | |
| JP3353194B2 (en) | Developer cartridge and image forming apparatus | |
| JPH10149078A (en) | Electrophotographic device | |
| JPH10105019A (en) | Process cartridge and electrophotographic image forming device | |
| JP3401697B2 (en) | Developer cartridge and image forming apparatus | |
| JPH09190059A (en) | Developer cartridge and image forming device | |
| US5309202A (en) | Image forming apparatus | |
| JP3074088B2 (en) | Developing cartridge and image forming apparatus | |
| JP3507159B2 (en) | Image forming device | |
| JP3140535B2 (en) | Image forming device | |
| JPH08115042A (en) | Image forming device | |
| JPH10260565A (en) | Electrophotographic image forming device | |
| JPH07114255A (en) | Toner replenishing method in image forming device and device thereof | |
| JP2001005272A (en) | Developer replenish container, developer replenish method and electrophotographic image forming device | |
| JP2019109552A (en) | Image forming apparatus | |
| JPH05281798A (en) | Cartridge and image forming device | |
| JPH0619236A (en) | Image forming device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
| S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20070927 Year of fee payment: 5 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080927 Year of fee payment: 6 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080927 Year of fee payment: 6 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090927 Year of fee payment: 7 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090927 Year of fee payment: 7 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100927 Year of fee payment: 8 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110927 Year of fee payment: 9 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120927 Year of fee payment: 10 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120927 Year of fee payment: 10 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130927 Year of fee payment: 11 |
|
| S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
| S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| LAPS | Cancellation because of no payment of annual fees |