JPH04204678A - Developing device - Google Patents
Developing deviceInfo
- Publication number
- JPH04204678A JPH04204678A JP2334162A JP33416290A JPH04204678A JP H04204678 A JPH04204678 A JP H04204678A JP 2334162 A JP2334162 A JP 2334162A JP 33416290 A JP33416290 A JP 33416290A JP H04204678 A JPH04204678 A JP H04204678A
- Authority
- JP
- Japan
- Prior art keywords
- developer
- shutter
- supply
- discharge
- container
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007599 discharging Methods 0.000 claims abstract description 10
- 238000010586 diagram Methods 0.000 description 11
- 239000003795 chemical substances by application Substances 0.000 description 7
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000000969 carrier Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000003845 household chemical Substances 0.000 description 1
- 239000012216 imaging agent Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〔目次〕
概要
産業上の利用分野
従来の技術（第８図）
発明が解決しようとする課題
課題を解決するための手段（第１図）
作用
実施例
（１一実施例の説明（第２図乃至第７図）（ｂ）他の実
施例の説明
発明の効果
〔ｅ要〕
現１撃剤排出シヤツタを開いて、現像容器から現像剤を
排出した後、該現像剤供給シャッタを開いて、′ｆＡ像
容器（二現１象剤を供給し、現像剤の交換を行うように
した現１象装置口関し。[Detailed description of the invention] [Table of contents] Overview Industrial field of application Prior art (Fig. 8) Means for solving the problems to be solved by the invention (Fig. 1) Working examples (11 implementations) Explanation of Examples (FIGS. 2 to 7) (b) Explanation of Other Embodiments Effects of the Invention [e Required] After opening the developer discharge shutter and discharging the developer from the developer container, the developer When the agent supply shutter is opened, 'fA image container (an opening of the imager apparatus) is configured to supply the imager and replace the developer.
現像剤を自動的（二交換することを目的とし。The purpose is to replace the developer automatically (two times).
内部にｆｊＬ儂剤を像担持体（二搬送する現像剤搬送手
段を、上部≦二現像剤供給口を、下部（二現澹剤排出口
を備える現像容器と、該現像剤供給口の開閉のための現
像供給シャッタと、該現像剤排出口の開閉のための現像
剤排出シャッタとを有し、該現１撃剤排出シヤツタを開
いて、現像容器から現像剤を排出した後、該現像剤供給
シャッタを開いて。A developer conveying means for conveying the fjL agent inside the image carrier (2), an upper part≦2 developer supply ports, a lower part (2 developer containers equipped with a developer discharge port, and a developer container for opening and closing the developer supply ports). a developer supply shutter for opening and closing the developer discharge port, and a developer discharge shutter for opening and closing the developer discharge port, and after opening the developer discharge shutter and discharging the developer from the developer container, the developer Open the supply shutter.
現像容器に現像剤を供給し、現像剤の交換を行うように
した現１象装置において、現像剤交換指示シ二応じて、
該現像剤排出シャッタを開いた後、該現像剤排出シャ、
りを閉じて、＃現像剤供給口ャ。In a display device that supplies developer to a developer container and replaces the developer, in response to a developer replacement instruction,
After opening the developer discharge shutter, the developer discharge shutter;
Close the #developer supply port.
りを開き、該現像剤供給シャッタを閉じるよう（二。(2) to open the developer supply shutter and close the developer supply shutter.
該現１象剤排出シヤツタ及び該現像剤供給シャッタを駆
動する開閉駆動部を設けた。An opening/closing drive unit for driving the developer discharge shutter and the developer supply shutter is provided.
本発明は、現像剤排出シャッタを開いて、現１象容器か
ら現像剤を排出した後、該現像剤供給シャッタを開いて
、現像容器に現像剤を供給し、現像剤の交換を行うよう
（二した現像装置ｆ二関する。In the present invention, after opening the developer discharge shutter and discharging the developer from the developer container, the developer supply shutter is opened to supply the developer to the developer container and replace the developer. The second developing device f2 is concerned.
電子写真方式や静電記録方式の印刷装置では。In electrophotographic or electrostatic recording printing devices.
形成された靜電潜偉を可視像化するの孟；、現像装置が
用いられている。A developing device is used to visualize the formed electrolyte.
このような現像装置として、粉体の現像剤を用いるもの
が広く利用されており、−成分現像剤と二成分現像剤を
用いるものが知られている。As such developing devices, those using a powder developer are widely used, and those using a -component developer and a two-component developer are known.
このような粉体現像装置９％Ｃ；二成分現像装置では、
使用（二伴い現像剤、特鴫二キャリアが劣化する。Such a powder developing device has 9% C; in a two-component developing device,
When used (two developers and two special carriers deteriorate).
このため、現像装置内の現像剤を定期的に交換する必要
があるっ
〔従来の技術〕
１ｇ８図は従来技術の説明図である。Therefore, it is necessary to periodically replace the developer in the developing device. [Prior Art] Figure 1g8 is an explanatory diagram of the prior art.
第８図（Ａ）、第８図（Ｂ ） ！：示すように、二成
分現像剤置１は、現像容器１０内の二成分現像剤を攪拌
ローラ１４ｂ、１４Ｃｉ二よって、攪拌し。Figure 8 (A), Figure 8 (B)! : As shown, in the two-component developer station 1, the two-component developer in the developer container 10 is stirred by stirring rollers 14b and 14Ci2.
供給ローラ１４ ａ ｉ：、より、攪拌した二成分現像
剤を現像ローラ１１（二供給し、現像ａ−ラ１１（現像
剤搬送手段）が感光ドラム（像担持体）２に二成分現像
剤を搬送して感光ドラム２上の静電＃壕を二成分現像剤
で現像する。Supply roller 14 ai: supplies the agitated two-component developer to the developing roller 11 (2), and the developing roller 11 (developer conveying means) supplies the two-component developer to the photosensitive drum (image carrier) 2. The electrostatic grooves on the photosensitive drum 2 are transported and developed with a two-component developer.
この二成分現像剤を交換できる現像器として。As a developing device that can replace this two-component developer.
現像容器１０の上部（＝現像剤供給口１２を、下部（二
現像側排出口１３を設け、現像剤供給口１２に供給穴１
５ａを有する現像剤供給シャッタ１５を。The upper part (= developer supply port 12 ) of the developer container 10 is provided, the lower part (= developer side discharge port 13 is provided, and the developer supply port 12 is provided with a supply hole 1 ).
A developer supply shutter 15 having 5a.
現像剤排出口１３３二排出穴１６ａを有する現像剤排出
シャッタ１６を設けたものが提案されている。It has been proposed that a developer discharge shutter 16 having a developer discharge port 133 and a discharge hole 16a is provided.
この現像器では、現像剤排出シャッタ１６を手動で開き
、現像容器ｉｏ内の現像剤を排出し、現１象剤排出シヤ
ツタ１６を閉じ１次（二現像側供給シャッタ１５を手動
で開き、現像容器１０に新しい現丁象剤を投入し、現１
象剤供給ンヤクタ１５を閉じる作業を行うこと（＝よっ
て、現像剤の交換ができる。In this developing device, the developer discharge shutter 16 is manually opened, the developer in the developer container io is discharged, the developer discharge shutter 16 is closed, the primary (secondary) developer side supply shutter 15 is manually opened, and the developer is Pour new imaging agent into container 10, and
The operation of closing the developer supplying unit 15 is performed (=therefore, the developer can be replaced).
しかしながら、従来技術では１次の問題があった。 However, the prior art has a first-order problem.
■ 現像剤交換作業の手順が多いため、ユーザーである
交換作業者がとまどい１手順を間違え、現像剤を飛散さ
せたり、交換し忘れが生じる。■ Since there are many steps to replace the developer, the user who replaces the developer gets confused and makes a mistake in one step, causing the developer to scatter or forgetting to replace it.
■ 手動で装置内部のシャッタ１５．１６を操作する必
要があるため１作業がしＣ＜＜、Ｌかも現像剤で手を汚
すおそれがある。■ Since it is necessary to manually operate the shutters 15 and 16 inside the device, there is a risk of getting your hands dirty with developer.
従って１本発明は、現像剤を自動的Ｃ二交換することが
できる現像装置を提供することを目的とする。Accordingly, an object of the present invention is to provide a developing device that can automatically exchange the developer.
第１図は１本発明の原理図である。 FIG. 1 is a diagram showing the principle of the present invention.
本発明の請求項（１）は、第１図に示すように、内部（
二現像側を像 特休に搬送する現１象剤搬送手段１１を
、上部に現像剤供給口１２を、下部Ｃ二現１象剤排出口
１３を備える現１象容器１０と、＃現像剤供給口１２の
開閉のための現像剤供給シャッタ１５と、該現像剤排出
口１３の開閉のための現像剤排出シャッタ１６とを有し
、該現像剤排出シャッタ１６を開いて、現壕容器１０か
ら現像剤を排出した後、該現像剤供給シャッタ１５を開
いて。Claim (1) of the present invention provides that, as shown in FIG.
A developer container 10 having a developer supply port 12 at the upper part and a developer outlet 13 at the lower part, and It has a developer supply shutter 15 for opening and closing the supply port 12 and a developer discharge shutter 16 for opening and closing the developer discharge port 13. When the developer discharge shutter 16 is opened, the present trench container 10 After discharging the developer, the developer supply shutter 15 is opened.
現像容器１０Ｃ＝現像剤を供給し、現１象剤の交換を行
うようにシた現像装置（二おいて、現像剤交換指示（＝
応じて、該現像剤排出シャッタ１６を開いた後、該現像
剤排出シャッタ１６を閉じて、該現像剤供給シャッタ１
５を開き、該現像剤供給シャッタ１５を閉じるよう（＝
、該現１象剤排出シヤツタ１６及び該現像剤供給／ヤッ
タ１５を駆動する開閉駆動ｇ３を設けたことを特徴とす
る。Developing container 10C = Developing device supplied with developer and configured to replace the developer (2, developer replacement instruction (=
Accordingly, after opening the developer discharge shutter 16, the developer discharge shutter 16 is closed, and the developer supply shutter 1 is closed.
5 and close the developer supply shutter 15 (=
, is characterized in that an opening/closing drive g3 for driving the developer discharge shutter 16 and the developer supply/yutter 15 is provided.
又９本発明の請求項（２）は、請求項（１）において。Also, claim (2) of the present invention is defined in claim (1).
前記現像剤供給シャッタ１５上（二現１象剤供給カセッ
トを設けるととも＋：、前記現像剤排出シャ、り１６の
下Ｃ二現像剤収容カセットを設けたことを特徴とする。The present invention is characterized in that two developer supply cassettes are provided above the developer supply shutter 15, and two developer storage cassettes are provided below the developer discharge shutter 16.
本発明では、現像剤交換指示（＝応じて、現像剤排出シ
ャッタ１６を開いた後、現像剤排出シャッタ１６を閉じ
て、現像剤供給シャッタ１５を開き。In the present invention, after opening the developer discharge shutter 16 in response to the developer replacement instruction (==), the developer discharge shutter 16 is closed, and the developer supply shutter 15 is opened.
現像剤供給シャッタ１５を閉じるように、現像剤排出シ
ャッタ１６及び現像剤供給シャ、り１５を駆動する開閉
駆動部３を設けたので、現像剤の交換を自動化でき９手
動作業を要しない。Since the opening/closing drive section 3 for driving the developer discharge shutter 16 and the developer supply shutter 15 is provided so as to close the developer supply shutter 15, the developer replacement can be automated and no manual work is required.
このため、現１象剤の交換ζ二線し、現像剤の飛散や交
換のし忘れを防止でき、現像剤（こよる手の汚れも防げ
る。Therefore, it is possible to prevent the developer from scattering or forgetting to replace it by replacing the developer, and it is also possible to prevent the developer from getting dirty on the hands.
（ａ） 一実施例の説明 ８２図及び第３図は本発明の一実施例構成図。 (a) Description of one embodiment 82 and 3 are configuration diagrams of an embodiment of the present invention.
＠４図及び第５図は本発明の要部構成図である。@Figures 4 and 5 are main part configuration diagrams of the present invention.
図中、第１図及び第８図で示したものと同一のものは、
同一の記号で示しである。In the figure, the same parts as shown in Figures 1 and 8 are:
Indicated by the same symbol.
′ｉ／Ｅ２図（二おいて、４ａは現像剤供給カセットで
あり、新たな二成分現像剤が収容され、現像剤供給シャ
ッタ１５上（−セットされるもの、４ｂは現像剤収容カ
セットであり、現前容器１０から排出された現像剤を収
容するため、現像剤排出シャッタ１６の下にセットされ
るもの、１０ａは供給側シャッタガイドであり、現像容
器１０に設けられ。Figure 'i/E2 (2, 4a is a developer supply cassette in which a new two-component developer is stored, and is set on the developer supply shutter 15, 4b is a developer storage cassette. , which is set under the developer discharge shutter 16 to accommodate the developer discharged from the developer container 10; 10a is a supply-side shutter guide provided in the developer container 10;
現像剤供給シャッタ１５をスライド移動可能Ｃニガイド
するもの、ｌＯｂは排出側シャッタガイドであり、現像
容！１０≦二設けられ、現像剤排出シャッタ１６をスラ
イド移動可能にガイドするものである。The developer supply shutter 15 is slidably movably guided by C, and lOb is the discharge side shutter guide, and the developer container! 10≦2 are provided to guide the developer discharge shutter 16 in a slidable manner.
従って、現像剤供給力セラ）４ａと現像剤排出シャッタ
４ｂをセットしておけば１両シャッタ１５．１６の動作
で自動的に二成分現１象剤の交換が行われる。Therefore, if the developer supply force sensor 4a and the developer discharge shutter 4b are set, the two-component developer is automatically exchanged by the operation of the two shutters 15 and 16.
第３図、ｓ４図、ＪｌＳ図Ｃオイ”Ｃ、（−１３５の回
転は歯車３４Ｃ，３４ｂ、３４ａによって動作軸３３（
＝伝達され、動作軸３３の上下（−は、各々位相が１８
０度異なる一対のカム３２ａ、３２ｂが設けられている
。Fig. 3, s4, JlS Fig.
= transmitted, up and down of the operating axis 33 (- means each phase is 18
A pair of cams 32a and 32b that differ by 0 degrees are provided.
カム３２ａは、第４図に示す様ζ二、カム溝３２０と、
ホームボジシ四ン用突起３２１が設けられており、支点
Ｃ１を中心に回動する第１のレバーａｔａの先端のカム
７、オロア３１０がカム＄３２０（；係合している。ｆ
ａｌのレバー３１ａは、現像剤供給シャッタ１５に接続
された第２のレバー３０１に接続し、カム３２ａの＠転
（二より、カム溝３２０（二従りて現像剤供給シャッタ
１５を供給側ガイド１０ａｔ二沿りて直線運動させる。The cam 32a has a cam groove 320 as shown in FIG.
A home position projection 321 is provided, and the cam 7 and the lower 310 at the tip of the first lever ata, which rotates around the fulcrum C1, are engaged with the cam $320.
The lever 31a of al is connected to a second lever 301 connected to the developer supply shutter 15, and rotates the cam 32a (from the second, the cam groove 320 (second), so that the developer supply shutter 15 is guided on the supply side. 10at2.
又、マイクロスイッチ３６は、ホームポジシ１ン用突起
３２１により動作し、カム３２ａのホームポジシ曹ン位
置を検出する。Further, the microswitch 36 is operated by the home position projection 321 to detect the home position position of the cam 32a.
一方、カム３２ｂは、第５図Ｃ；示す様に、カム３２ｍ
と位相を１８０度異ならしてカム＃３２０が設けられ、
支点Ｃ２を中心に回動する第１のレバー３１ｂの先端の
カムフォロア３１０がカム溝３２０≦二係合している。On the other hand, the cam 32b is connected to the cam 32m as shown in FIG.
Cam #320 is provided with a phase difference of 180 degrees,
The cam follower 310 at the tip of the first lever 31b, which rotates around the fulcrum C2, engages with the cam groove 320≦2.
第１のレバー３１ｂは。The first lever 31b is.
現１象剤排出シヤツタ１６（＝接続された第２のレバー
３０ｂに接続し、カム３２ｂの回転により、カム溝３２
０に従って現像剤排出シャッタ１６を排出貴ガイド１０
ｂＣ？Ｅ？つて直線運動させる。Agent discharge shutter 16 (= connected to the connected second lever 30b, and rotates the cam 32b to release the cam groove 32
0 according to the developer discharge shutter 16 and the discharge guide 10.
bC? E? Move it in a straight line.
第６図及び第７図は本発明の一実施例動作説明図である
。FIGS. 6 and 7 are explanatory diagrams of the operation of one embodiment of the present invention.
第４図、第５図のカム３２ａ、３２ｂがホームポジショ
ン位置Ｃ二あるときは、第６図（Ａ）（二示すように、
第１のレバー３１ａ、３１ｂのカムフォロア３１０はカ
ム３２ａ、３２ｂの凹部（二あり。When the cams 32a and 32b in FIGS. 4 and 5 are at the home position C2, as shown in FIG.
The cam followers 310 of the first levers 31a and 31b have two recesses in the cams 32a and 32b.
現像剤供給シャッタ１５及びｊＡ＋家剤排出ンヤッタ１
６は閉状態（二ある。Developer supply shutter 15 and jA + household chemical discharge unit 1
6 is in the closed state (there are two).
モータ３５が回転し、動作軸３３が時計方向（一回転す
ると、第６図（Ｂ）に示すよう（−１第１のレバー３１
ａはカム３２ａの凹部に位置し、現１象剤供給シヤツタ
１５は閉状態のままであるが、第１のレバー３１ｂはカ
ム３２ｂの凸部に位置し。When the motor 35 rotates and the operating shaft 33 rotates clockwise (one rotation, the -1 first lever 31
a is located in the concave portion of the cam 32a, and the agent supply shutter 15 remains closed, but the first lever 31b is located in the convex portion of the cam 32b.
支点Ｃ２を中心（二時計方向に回動し、第２のレバー３
０ｂを図の右方向Ｃ二駆動し、現１＃！剤排出シヤツタ
１６を右方向（二移動せしめ、ｓ作戦３３が時計方向（
二９０度回転すると、現慮剤排出シャッタ１６の排出穴
１６ａを現１象剤排出口１３に対向し。Centered on the fulcrum C2 (rotated clockwise, the second lever 3
Drive 0b to the right in the figure C2, and now 1#! Move the agent discharge shutter 16 to the right (two times), and move the s strategy 33 clockwise (
When it is rotated 290 degrees, the discharge hole 16a of the reagent discharge shutter 16 faces the reagent discharge port 13.
開状態に二する。Set it in the open position.
これによって、現漂容器１０内の二成分現像剤は、現像
剤排出口１３から現像剤収容カセット４ｂに落下し、排
出される。As a result, the two-component developer in the developing container 10 falls from the developer discharge port 13 into the developer storage cassette 4b and is discharged.
更に、モータ３５が回転し、動作軸３３が時計方向に回
転すると、第７図（Ａ）（二示すよう（二。Furthermore, when the motor 35 rotates and the operating shaft 33 rotates clockwise, as shown in FIG.
第１のレバー３１ａはカム３２ａの凹部（二位置し。The first lever 31a is located in the recessed portion (two positions) of the cam 32a.
現濃剤供給シャッタ１５は閉状態のままであるが。The current concentrate supply shutter 15 remains closed.
第１のレバー３１ｂはカム３２ｂの凹部に位置し。The first lever 31b is located in the recess of the cam 32b.
支点Ｃ２を中ｌＬ？に反時計方向に回動し、第２のレバ
ー３０ｂを図の左方向に駆動し、現像剤排出シャッタ１
６を左方向（二移動せしめ、動作軸３３が時計方向（二
１８０度回転すると、現像剤排出シャッタ１６の排出穴
１６ａが現像剤排出口１３から外れ、閉状態となる。Center point C2? The second lever 30b is rotated counterclockwise to drive the second lever 30b to the left in the figure, and the developer discharge shutter 1 is rotated counterclockwise.
6 is moved to the left (2) and the operating shaft 33 is rotated clockwise (2180 degrees), the discharge hole 16a of the developer discharge shutter 16 is disengaged from the developer discharge port 13, and is in the closed state.
更に、モータ３５が回転し、動作軸３３が時計方向に回
転すると、第７図（Ｂ ） ＋＝示すよう（二。Furthermore, when the motor 35 rotates and the operating shaft 33 rotates clockwise, as shown in FIG.
第１のレバー３１ａはカム３２ａの凸部（＝位置し。The first lever 31a is located at the convex portion of the cam 32a.
支点ＣＩを中心Ｃ二時計方向Ｃ二回動じ、第２のレバー
３０ａを図の右方向（＝駆動し、現像剤供給シャッタ１
５を右方向（＝移動せしめ、動作＠３３が時計方向（二
２７０１Ｊ［回転すると、現１摩剤供給シヤツタ１５の
供給穴１５２を現像剤供給口１２（二対向し、開状態に
し、第１のレバー３１ｂはカム３２ｂの凹部に位置し、
現像剤排出シャッタ１６は閉状態のままとなる。Move the fulcrum CI two times in the clockwise direction C and move the second lever 30a to the right in the figure (=drive) to close the developer supply shutter 1.
5 to the right (=move the operation@33 clockwise (2 2701 The lever 31b is located in the recess of the cam 32b,
The developer discharge shutter 16 remains closed.
これ（＝よって、現前容器ｌＯ内（二現１象剤供給カセ
ット４ａの二成分現像剤が落下し、現像容器１０１ニニ
成分現像剤が供給される。As a result, the two-component developer in the developer supply cassette 4a falls into the developer container 10, and the two-component developer is supplied to the developer container 101.
更に、モータ３５が回転し、動作１ｌＩ３３が時計方向
（一回転すると、第１のレバー３１ａはカム３２ａの凹
部（：位置し、支点Ｃ１を中心に反時計方向≦＝回動し
、第２のレバー３０ａを図の左方向に駆動し、現像剤供
給シャッタ１５を左方向（二移動せしめ、＃作戦３３が
時計方向に３６０度回転すると、現像剤供給シャッタ１
５の供給穴１５ａが現１象剤供給口１２から外れ、閉状
態となり、第６図（Ａ）のホームボンシランの状、懇に
もどる。Furthermore, when the motor 35 rotates and the operation 1lI33 rotates clockwise (one rotation), the first lever 31a is located in the recessed part of the cam 32a (:), rotates counterclockwise ≦= about the fulcrum C1, and moves to the second lever 31a. When the lever 30a is driven to the left in the figure and the developer supply shutter 15 is moved to the left (two steps), and the #strategy 33 is rotated 360 degrees clockwise, the developer supply shutter 1
The supply hole 15a of No. 5 is removed from the agent supply port 12 and becomes closed, returning to the state of the home bonsilane shown in FIG. 6(A).
このように、カム３２ａ、３２ｂの一回転で現像剤の排
出、供給がおこなわれる。In this way, the developer is discharged and supplied by one rotation of the cams 32a and 32b.
図示しないマイクロプロセッサ等の制御回路は。A control circuit such as a microprocessor (not shown) is included.
図示しないキーから現像剤交換指示を受けると。When a developer replacement instruction is received from a key (not shown).
ホームボンシ遭ンからモータ３５を回転させ、マイクロ
スイッチ３６からのホームポジション検出信号を受ける
と、モータ３５を停止させる。The motor 35 is rotated when a home position is detected, and upon receiving a home position detection signal from a microswitch 36, the motor 35 is stopped.
この現像剤の排出、供給（＝各々所定時間（約３０秒）
かかるため、現像剤供給シャッタ１５及び現像剤排出シ
ャッタ１６の開状態が所定時間数れるよう（二、モータ
３５を低速回転させるか、歯車３４ａ、３４ｂ、３４Ｃ
の減速比を設定する。Discharging and supplying this developer (each for a predetermined time (approximately 30 seconds)
Therefore, the developer supply shutter 15 and the developer discharge shutter 16 are kept open for a predetermined period of time (2. Either the motor 35 is rotated at a low speed or the gears 34a, 34b, 34C are
Set the reduction ratio.
このようにして、現像剤の自動交換が可能となる。In this way, automatic replacement of developer is possible.
（ｂ） 他の実施例の説明 上述の実施例の他に９本発明は次の変形が可能である。(b) Description of other embodiments In addition to the above-described embodiments, the present invention can be modified as follows.
■ 現像剤供給ンヤッタ１５及び現像剤排出ンヤ、り１
６を現像容器ｌＯに設けた例で説明したが。■ Developer supply unit 15 and developer discharge unit 1
6 was provided in the developing container IO.
現１′Ｉ！容器１０と別体に設けてもよく、現像剤供給
カセット４ ａ、現像剤収容カセット４ｂに設けてもよ
い。Current 1'I! It may be provided separately from the container 10, or may be provided in the developer supply cassette 4a and the developer storage cassette 4b.
■ モータ３５の連続回転≦二より、シャッタ１５゜１
６の開閉を行っているが、シャッタ１５．１６が開状態
≦＝なるカム位＃（二マイクロスイッチを設け、このマ
イクロスイッチの検出信号により、モータ３５を一時停
止し、前述の所定時間後モータ３５を再回転させてもよ
い。■ Continuous rotation of motor 35≦2, shutter 15°1
6 is being opened and closed, but the shutter 15.16 is in the open state ≦= cam position # (two microswitches are provided, and the motor 35 is temporarily stopped by the detection signal of this microswitch, and the motor 35 is stopped after the above-mentioned predetermined time. 35 may be re-rotated.
■ 開閉駆動部３をモータ３５．カム３２ ａ 、３２
ｂ、レバー３０．３１で説明したが、グランジャーマグ
ネット等地の周矧のアクチエエータを用いてもよい。■ The opening/closing drive unit 3 is connected to the motor 35. Cam 32a, 32
b. Although the levers 30 and 31 have been described, a circular actuator such as a Granger magnet may also be used.
■ 現１象剤供給シヤアタ１５及び現像剤排出ンヤツタ
１６をスライド型で説明したが、他のものであってもよ
い。(1) Although the developer supply shutter 15 and the developer discharge shutter 16 have been described as slide type, other types may be used.
以上説明したようＣユ１本発明は次の効果を奏する。 As explained above, the present invention has the following effects.
■ 現１象剤交換指示に応じて、現像剤排出シャッタ１
６を開いた後、現１象剤排出／＃ツタ１６を閉じて、現
１象剤供給シヤツタ１５を開き、現像剤供給シャ、り１
５を閉じるように、現像剤排出シャッタ１６及び現１象
剤供給シヤツタ１５を暴動する開閉駆動ｓ３を設けたの
で、現像剤の交換を自動化でき１手動作業を要しないた
め、現１摩剤の交換（；際し、現像剤の飛散や現像剤の
交換のし忘れを防止できる。■ In response to the developer replacement instruction, the developer discharge shutter 1
After opening the developer supply shutter 15, the developer supply shutter 15 is opened, the developer supply shutter 15 is opened, and the developer supply shutter 15 is opened.
Since the opening/closing drive s3 that moves the developer discharge shutter 16 and the developer supply shutter 15 so as to close the developer discharge shutter 16 and the developer supply shutter 15 is provided, developer replacement can be automated and no manual work is required. When replacing the developer, it is possible to prevent the developer from scattering or forgetting to replace the developer.
■ 現像剤の交換を自動化できるため、複雑な手動作業
を要せず、現像剤（二よる手の汚れも防げる。■ Developer replacement can be automated, eliminating the need for complex manual work and preventing developer from getting dirty on the hands.
第１図は本発明の原理図。 第２図及び第３図は本発明の一実施例構成図。 １１４図は本発明の一実施例構成図の構成図。 第５図は本発明の一実施例構成図の構成図。 第６図及び＠７図は本発明の一実施例動作説明図。 第８図は従来技術の説明図である。 図中、ｉｏ・・・現１象各器。 １１・・・現＋＊−−ラ（現像剤兼送手段）。 １２・・・現像剤供給口。 １３・・・現像剤排出口。 １５・・・現１象剤供給シヤアタ。 １６・・・現像剤排出シャ、り。 ３・・・開閉駆動部。 FIG. 1 is a diagram showing the principle of the present invention. FIGS. 2 and 3 are configuration diagrams of an embodiment of the present invention. FIG. 114 is a configuration diagram of an embodiment of the present invention. FIG. 5 is a configuration diagram of an embodiment of the present invention. FIGS. 6 and 7 are explanatory diagrams of the operation of an embodiment of the present invention. FIG. 8 is an explanatory diagram of the prior art. In the figure, io...Each object of the phenomenon. 11 . . . +*--ra (developer and conveying means). 12...Developer supply port. 13...Developer discharge port. 15... Actual agent supply system. 16...Developer discharge shaft. 3...Opening/closing drive unit.
Claims (2)
段（１１）を、上部に現像剤供給口（１２）を、下部に
現像剤排出口（１３）を備える現像容器（１０）と、 該現像剤供給口（１２）の開閉のための現像剤供給シャ
ッタ（１５）と、 該現像剤排出口（１３）の開閉のための現像剤排出シャ
ッタ（１６）とを有し、 該現像剤排出シャッタ（１６）を開いて、現像容器（１
０）から現像剤を排出した後、該現像剤供給シャッタ（
１５）を開いて、現像容器（１０）に現像剤を供給し、
現像剤の交換を行うようにした現像装置において、 現像剤交換指示に応じて、該現像剤排出シャッタ（１６
）を開いた後、該現像剤排出シャッタ（１６）を閉じて
、該現像剤供給シャッタ（１５）を開き、該現像剤供給
シャッタ（１５）を閉じるように、該現像剤排出シャッ
タ（１６）及び該現像剤供給シャッタ（１５）を駆動す
る開閉駆動部（３）を設けたことを 特徴とする現像装置。(1) A developer container (10) equipped with a developer transport means (11) for transporting the developer to the image carrier inside, a developer supply port (12) in the upper part, and a developer discharge port (13) in the lower part. a developer supply shutter (15) for opening and closing the developer supply port (12); and a developer discharge shutter (16) for opening and closing the developer discharge port (13); Open the developer discharge shutter (16) and remove the developer container (1
After discharging the developer from the developer supply shutter (
15) to supply developer to the developing container (10),
In a developing device configured to replace developer, the developer discharge shutter (16
), the developer discharge shutter (16) is closed, the developer supply shutter (15) is opened, and the developer supply shutter (15) is closed. and an opening/closing drive section (3) for driving the developer supply shutter (15).
カセットを設けるとともに 前記現像剤排出シャッタ（１６）の下に現像剤収容カセ
ットを設けたことを 特徴とする請求項（１）記載の現像装置。(2) A developer supply cassette is provided above the developer supply shutter (15), and a developer storage cassette is provided below the developer discharge shutter (16). Developing device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2334162A JP2675916B2 (en) | 1990-11-30 | 1990-11-30 | Developing device |
| US08/364,419 US5450178A (en) | 1990-09-10 | 1994-12-27 | Process and apparatus for replacing the carrier portion of a developing agent having toner used in an image-forming apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2334162A JP2675916B2 (en) | 1990-11-30 | 1990-11-30 | Developing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04204678A true JPH04204678A (en) | 1992-07-27 |
| JP2675916B2 JP2675916B2 (en) | 1997-11-12 |
Family
ID=18274236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2334162A Expired - Fee Related JP2675916B2 (en) | 1990-09-10 | 1990-11-30 | Developing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2675916B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6475421B2 (en) | 1994-01-31 | 2002-11-05 | Canon Kabushiki Kaisha | Method of manufacturing a regulating blade featuring a curved supporting layer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5349439A (en) * | 1976-10-18 | 1978-05-04 | Ricoh Co Ltd | Method for detecting and replacing degraded developer |
| JPS636466U (en) * | 1986-06-30 | 1988-01-16 | ||
| JPH04127178A (en) * | 1990-06-01 | 1992-04-28 | Sharp Corp | Developer recovering device for developing device |
-
1990
- 1990-11-30 JP JP2334162A patent/JP2675916B2/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5349439A (en) * | 1976-10-18 | 1978-05-04 | Ricoh Co Ltd | Method for detecting and replacing degraded developer |
| JPS636466U (en) * | 1986-06-30 | 1988-01-16 | ||
| JPH04127178A (en) * | 1990-06-01 | 1992-04-28 | Sharp Corp | Developer recovering device for developing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6475421B2 (en) | 1994-01-31 | 2002-11-05 | Canon Kabushiki Kaisha | Method of manufacturing a regulating blade featuring a curved supporting layer |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2675916B2 (en) | 1997-11-12 |
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| LAPS | Cancellation because of no payment of annual fees |