JPS60263972A - Developing device - Google Patents
Developing deviceInfo
- Publication number
- JPS60263972A JPS60263972A JP59119824A JP11982484A JPS60263972A JP S60263972 A JPS60263972 A JP S60263972A JP 59119824 A JP59119824 A JP 59119824A JP 11982484 A JP11982484 A JP 11982484A JP S60263972 A JPS60263972 A JP S60263972A
- Authority
- JP
- Japan
- Prior art keywords
- cartridge
- toner
- container
- developing device
- tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
- G03G15/0865—Arrangements for supplying new developer
- G03G15/0867—Arrangements for supplying new developer cylindrical developer cartridges, e.g. toner bottles for the developer replenishing opening
- G03G15/087—Developer cartridges having a longitudinal rotational axis, around which at least one part is rotated when mounting or using the cartridge
- G03G15/0872—Developer cartridges having a longitudinal rotational axis, around which at least one part is rotated when mounting or using the cartridge the developer cartridges being generally horizontally mounted parallel to its longitudinal rotational axis
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/06—Developing structures, details
- G03G2215/066—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material
- G03G2215/0663—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material having a longitudinal rotational axis, around which at least one part is rotated when mounting or using the cartridge
- G03G2215/0665—Generally horizontally mounting of said toner cartridge parallel to its longitudinal rotational axis
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/06—Developing structures, details
- G03G2215/066—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material
- G03G2215/0663—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material having a longitudinal rotational axis, around which at least one part is rotated when mounting or using the cartridge
- G03G2215/0675—Generally cylindrical container shape having two ends
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dry Development In Electrophotography (AREA)
- Printing Methods (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、電子写真装置、静電記録・装置、静電印刷装
置等に組み込まれるトナーノＪ−トリッジを備えた現像
装置に関づる。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a developing device equipped with a Tonano J-tridge that is incorporated into an electrophotographic device, an electrostatic recording device, an electrostatic printing device, or the like.
従来の技術
現像装置においては、画像担体表面に形成された静電伺
像を現像り−るために、−成分系の磁性トノ−あるいは
磁性キャリアとトナーからなる二成分系現像剤が使用さ
れている。In conventional technology developing devices, a -component magnetic toner or a two-component developer consisting of a magnetic carrier and a toner is used to develop an electrostatic image formed on the surface of an image carrier. There is.
１４−ナーを用いる現像装置としては、例えば第７図に
示すものが用いられている。同図中１は磁性トナー、２
は、磁性トナー１を収容するホッパーＣ゛、３はふたで
ある。４はマグネットロールで、非磁性スリーブ５の内
部に、ｌ１１１６に固着されたマグネット７が設けられ
ている。As a developing device using 14-toner, the one shown in FIG. 7, for example, is used. In the figure, 1 is magnetic toner, 2
1 is a hopper C' containing magnetic toner 1, and 3 is a lid. 4 is a magnet roll, and a magnet 7 fixed to l1116 is provided inside the non-magnetic sleeve 5.
上記の現像装置を使用する場合、非磁性スリーブ５とマ
グネッ１へ７を相対的に回転さゼて、磁性）−Ｊ−−１
を排出口８から引出して非磁性スリーブ５）十を、図示
矢印方向に搬送させて磁気ブラシを形成する。この磁気
ブラシで感光体９の表面を摺擦して、そこに形成された
静電潜像を現像する。When using the above developing device, rotate the non-magnetic sleeve 5 and the magnet 7 relative to each other to make the magnetic)-J--1
is pulled out from the discharge port 8 and the non-magnetic sleeve 5) is conveyed in the direction of the arrow shown in the figure to form a magnetic brush. The surface of the photoreceptor 9 is rubbed with this magnetic brush, and the electrostatic latent image formed thereon is developed.
この現像装置において、磁性１−ナー１をポツパー２に
補給する場合、ふた３をありで人手により行つＣいるが
、磁性トナー１がこぼれて機内を汚したり、あるいは補
給された磁性１〜ｔ−１を均一になら１などの操作が必
要であった。In this developing device, when replenishing the magnetic toner 1 to the popper 2, the lid 3 is closed manually. To make -1 uniform, operations such as 1 were necessary.
そこで、トナーの補給をワンタッグで・行うために特開
昭５５−１２．４６号、実開昭５６−、４３３６６０号
、特開昭５６−５２７７９弓等の各公報に見られるよう
に、種々のトナーカートリッジが提案されている。しか
し、従来の１−ノーカー１〜リツジを備えた現像装置を
有するプリンターなどにおいては、トナーの消費用が多
いため、１〜ブーの収容量の多い（複写機用の４倍位）
、即ら外径が人なるトナーカートリッジがイ吏ねれる、
。Therefore, in order to replenish toner in one go, various methods have been proposed, as seen in Japanese Patent Application Laid-open No. 55-12.46, Japanese Utility Model Application No. 56-433660, Japanese Patent Application Laid-open No. 52779-56, etc. Toner cartridges have been proposed. However, in printers that have a developing device equipped with a conventional 1-no-car 1-ridge, a large amount of toner is consumed, so the storage capacity for 1-boo is large (approximately 4 times that of a copier).
, in other words, a toner cartridge with a different outer diameter will be damaged.
.
発明が解決しようとする問題点
−に記外径が大なるトナーカー１〜リツジを現像装置に
挿入する際は、挿入部の容積変化が大きくなり、その風
圧によりカートリッジ収容容器の内壁に付着している１
〜ナーが挿入口から吹さ出ｊノで、操作者を汚し！こり
、あるいは機内に飛散−りる問題点があった。本発明は
、このよう／７人型の１へノー−カー１−リッジであっ
ても、その挿入部にトナーの吹き出しがない現像装置の
提供を、１：１的とする。The problem to be solved by the invention is that when a toner cartridge with a large outside diameter is inserted into a developing device, the volume of the insertion portion changes greatly, and the wind pressure causes the toner cartridge to adhere to the inner wall of the cartridge storage container. There is 1
~The operator is stained with the gushing gushing from the insertion port! There was a problem with the particles getting stuck or being scattered inside the aircraft. The present invention provides a 1:1 developing device in which no toner is blown out at the insertion portion even in the case of a 1/7 person type 1 to 1 ridge.
問題点を解決覆るだめの手段
本発明は、上記の問題点を解決りるために、現ｉｎ−ル
を有−する現＠檜と、該現像槽の上部に、下部に開口部
を有し、かつトナーカートリッジを収容するカートリッ
ジ容器を備えた現像装置において、前記カートリッジ容
器の外周に通気孔を設（づた現像装置にある。Means for Solving the Problems In order to solve the above-mentioned problems, the present invention provides a developer tank having a developer inlet, an opening in the upper part of the developer tank, and an opening in the lower part of the developer tank. In the developing device, the developing device includes a cartridge container for accommodating a toner cartridge, and a vent hole is provided in the outer periphery of the cartridge container.
実施例
以ト、本発明の実施例を、図面に基づいて詳細に説明す
る。ここで、第１図は、本発明の一実施例に係る現像装
置の断面図、第２図は、第１図のＣ−Ｃ矢視図、第３図
は、第２図のＤ−Ｄ矢視図、第４図は、トナーカートリ
ッジの平面図、第５図は、第４図のＡ−Ａ断面図、第６
図は、第４図のＢ−Ｂ Ｉｋ祝図である。Embodiments Hereinafter, embodiments of the present invention will be described in detail based on the drawings. Here, FIG. 1 is a sectional view of a developing device according to an embodiment of the present invention, FIG. 2 is a view taken along the line C-C in FIG. 1, and FIG. 4 is a plan view of the toner cartridge, FIG. 5 is a sectional view taken along line AA in FIG. 4, and FIG.
The figure is the B-BIk congratulatory map of FIG.
第１図ないし第３図において、磁性キャリアとトナーか
らなる二成分系現像剤１０は、現像槽１１内に収容され
、現像槽１１の内部には、図示矢印方向に回転する感光
体ドラム１２に対向して円筒状の非磁性スリーブ１３が
回転自在に配置されている。非磁性スリーブ１３内には
表面に複数個（図では４個〉の磁極を有する永久磁石１
４を軸１５に固定してなる現像ロール１０が配（（’！
２＼れている。１７は、非磁性スリーブ１３．ｌ＝の
現像剤１０を掻き落すスクレーパ、１８【よ、Ｊｌ磁ｒ
１スリーブ１３上の現像剤の厚さを規制するドクターブ
レードであり、１９は攪拌ローラ（ｄうる、。In FIGS. 1 to 3, a two-component developer 10 consisting of a magnetic carrier and toner is housed in a developer tank 11, and inside the developer tank 11 is a photoreceptor drum 12 that rotates in the direction of the arrow in the figure. A cylindrical non-magnetic sleeve 13 is rotatably disposed opposite to each other. Inside the non-magnetic sleeve 13 is a permanent magnet 1 having a plurality of (four in the figure) magnetic poles on its surface.
4 fixed to a shaft 15 is arranged (('!
2\ is falling. 17 is a non-magnetic sleeve 13. A scraper for scraping off the developer 10 of l=, 18 [yo, Jl magnetic r
1 is a doctor blade that regulates the thickness of the developer on the sleeve 13, and 19 is a stirring roller.
攪拌ローラ１９の上方には、ｌ−ノー ２０を挿入した
トプーノＪ −トリッジ２１を収容Ｊるカートリッジ容
器２２が形成されている。カートリッジ容器２２の下部
聞ｌ］部２３には１〜ノー１１■給１１−ル２４か回転
自在に設けられていて、回転′りることにより１〜ナー
２０を現像槽１１／＼袖給りる。A cartridge container 22 is formed above the agitation roller 19 to accommodate a topuno cartridge 21 into which a l-no 20 is inserted. The lower part 23 of the cartridge container 22 is rotatably provided with a supply 11-24 of 1 to 11, and by rotation, 1 to 20 are supplied to the developing tank 11/sleeve supply. Ru.
カートリッジ容器２２は、第２図ないし第３図に示Ｊよ
うに、側板２５に突ｊｉｕ （キれ／ζ刀イド８１５材
２６が設【）られ、また、側部にノーノンジ２７および
フランジ２７に形成されｌ〔刀イト溝２８を右し、上部
には、通気孔２９が３個設置Ｊられている。なｄ３、こ
の通気孔にトナーの吹き出し防止用のノイルターを設け
てもよい。As shown in FIGS. 2 and 3, the cartridge container 22 is provided with a protrusion 26 on the side plate 25, and a nozzle 27 and a flange 27 on the side. Three ventilation holes 29 are installed in the upper part, to the right of the groove 28. (d3) This ventilation hole may be provided with a filter for preventing toner from blowing out.
ト・ナーカートリッジ２１は、第４図ないし第６図に示
ＪＪ：うに、非磁性材料からなる細良い円筒状の中空容
器３０からなり、長手方向に１〜ナー補給［１３１が設
けられている。３２は、トナー補給［１３１のシールで
、トノ−補給口３１から中空容器３０に挿入されたトナ
ー２０を、トナー補給口３１をシールすることにより封
入する。中空容器３０の両端部には、それぞれ蓋３３お
よび３４が固着され、蓋３３には突起３５．切欠き３６
およびつまみ３７が設けられ、また、ＭＢ２にはキャッ
プ３８が嵌着されている。The toner cartridge 21, shown in FIGS. 4 to 6, consists of a slender cylindrical hollow container 30 made of a non-magnetic material, and is provided with toner replenishment containers 1 to 131 in the longitudinal direction. . Reference numeral 32 denotes a seal for toner replenishment [131], which seals the toner 20 inserted into the hollow container 30 from the toner replenishment port 31 by sealing the toner replenishment port 31. Lids 33 and 34 are fixed to both ends of the hollow container 30, respectively, and the lid 33 has projections 35. Notch 36
and a knob 37 are provided, and a cap 38 is fitted onto the MB2.
上記の椛成において、トナーカー１〜リツジ２１をカー
１−リッジ容器２２に装着するのには、まずトナーカー
トリッジ２１からシール３２を、引出部：３２ａをつま
んではがし、次に１〜ナ一補給口３１を上向きにした状
態で、トナーカートリッジ２１を、蓋３３がカートリッ
ジ容器２２のガイド部々第２６に当接するまで押し込む
。しかる後、つまみ３７をつかんで半回転させると、１
ヘナ一補給口３゛１が下部にくるので、トラ−２０１ｆ
ｉ落下して）」−トリッジ容器２２の下部にたまる。In order to install the toner cartridge 1 to cartridge 21 to the cartridge container 22 in the above-mentioned case, first remove the seal 32 from the toner cartridge 21 by pinching the drawer part 32a, and then With the supply port 31 facing upward, the toner cartridge 21 is pushed in until the lid 33 contacts the 26th guide portion of the cartridge container 22. After that, grab the knob 37 and turn it half a turn.
Since the henna supply port 3゛1 is at the bottom, Tora-201f
(i) - Accumulates at the bottom of the tridge container 22.
１記１−ナーカートリツジ２１を、カートリッジ容器２
２に挿入される際に、挿入部の容積変化により発生づ−
る風圧は、カートリッジ容器２２の通気孔２９より外部
に放出されるの（゛、ノノートリツジ容器２２の内壁に
付着しているトノーが挿入口から吹き出す−ようなこと
はない１゜
カー１ヘリツジ容器２２の下部にＩこ上ったトノ−２０
は、１〜ナー補給ロール２＝′Ｉが回転することによっ
て間口部２３より現像槽１１へ供給される。1-1-Insert the cartridge container 21 into the cartridge container 2.
This occurs due to a change in the volume of the insertion part when it is inserted into the
The wind pressure is released to the outside from the vent hole 29 of the cartridge container 22 (there is no possibility that the tonneau attached to the inner wall of the cartridge container 22 will blow out from the insertion port). Tonneau-20 that climbed onto the bottom of
are supplied to the developer tank 11 from the opening 23 by the rotation of the toner replenishing rolls 1 to 2='I.
このようにして供給された１へり−２０は、攪拌ローラ
１９で現像槽１１内の現像剤１０と共に攪拌される。The thus supplied first edge 20 is stirred together with the developer 10 in the developer tank 11 by the stirring roller 19.
いま、現像ロール１６の非出Ｉ１１スリーブ１３を図示
矢印方向に回転させると、該スリーブ１３１−に吸着さ
れた現像剤１０は、ドクターブレード１８が形成するド
クターギヤツー／’（Ｉから感光体ドラム１２との現像
ギャップＤに向−］て１般送され、現像剤１０により形
成された磁気ブラシで、感光体ドラム１２の表面を摺擦
して、該ドラム’＋ ２１−に形成され！ご静電潜像が
埋像される。現像ギ髪１ツブを通過後の現像剤１０は、
スフ１ノーバ１７により非磁性スリーブ１３から掻き落
されて現像槽１１内に回収される。Now, when the non-extruding I11 sleeve 13 of the developing roll 16 is rotated in the direction of the arrow shown in the figure, the developer 10 adsorbed to the sleeve 131- is transferred from the doctor gear 2/' (I formed by the doctor blade 18 to the photoreceptor drum The surface of the photoreceptor drum 12 is rubbed with a magnetic brush formed by the developer 10, and the surface of the photoreceptor drum 12 is generally fed toward the development gap D between the drum 12 and the developer 10. The electrostatic latent image is embedded.The developer 10 after passing through one tube of the developing gear is
It is scraped off from the non-magnetic sleeve 13 by the wiper 1 nova 17 and collected into the developer tank 11 .
発明の効果
以上述べたように、本発明に係る現像装置は、１へり一
一ノノー１−リッジを装着するカートリッジ容器に、通
気孔を設けたので、トナーカートリッジをカート・リッ
ジ容器に挿入して装着する際に発生する１！ｉｉＩ Ｆ
＋、が、該通気孔より外部に放出されるので、カートリ
ッジ容器の内壁に付着しているトナーが挿入口から吹き
出すようなことがない効果を有す。Effects of the Invention As described above, in the developing device according to the present invention, a ventilation hole is provided in the cartridge container in which the 1-edge 11-1 ridge is mounted, so that the toner cartridge can be inserted into the cartridge container. 1 that occurs when installing! iiiF
Since the toner (+) is discharged to the outside through the ventilation hole, there is an effect that the toner adhering to the inner wall of the cartridge container does not blow out from the insertion opening.
第′１図は、本発明の一実施例に係る現像装置の断面図
、第２図は、第１図のＣ−Ｃ矢視図、第３図は、第２図
の１）−Ｄ矢視図、第４図は、トナーカートリッジの平
面図、第５図は、第４図のＡ−へ断面図、第６図は、第
４図のＢ−Ｂ矢視図、第７図は、従来の現像装置の断面
図である。
１１・・・現像槽、′１２・・・感光体ドラム、１３・
・・非磁性スリーブ、１４・・・永久磁石、１６・・・
現像ロール、２１・・・トナーカートリッジ、２２・・
・カートリッジ容器、２３・・・間口部、２つ・・・通
気孔。
特許出願人
日 立 金 属 株式会社
第２図
第３図
第５図
Ｚ（Ｊ
第６図1 is a sectional view of a developing device according to an embodiment of the present invention, FIG. 2 is a view taken along the line CC in FIG. 1, and FIG. 4 is a plan view of the toner cartridge, FIG. 5 is a sectional view taken along line A in FIG. 4, FIG. 6 is a view taken along line B-B in FIG. 4, and FIG. FIG. 2 is a cross-sectional view of a conventional developing device. 11...Developer tank, '12...Photosensitive drum, 13.
...Nonmagnetic sleeve, 14...Permanent magnet, 16...
Developing roll, 21... Toner cartridge, 22...
- Cartridge container, 23... Frontage, 2... Ventilation holes. Patent applicant Hitachi Metals Co., Ltd. Figure 2 Figure 3 Figure 5 Z (J Figure 6
Claims (1)
、下部に開口部を有し、かつ］・ブーカートリッジを収
容するカー１〜リツジ容器を備えた現像装置にＪ３いて
、前記カートリッジ容器の外周に通気孔を設（プたこと
を４Ｈ′ＩｔＭどＪる現像装置。 （２）上記通気孔は、通気孔にノイルターを設【ノたも
のである特許請求の範囲第′１項記載の現像装置。[Scope of Claims] (1) A developing device including a developing tank having a developing roll, an opening at the upper part and an opening at the lower part of the developing tank, and a car 1 to a storage container for storing a boot cartridge. A developing device in which a ventilation hole is provided on the outer periphery of the cartridge container. (2) A patent claim in which the ventilation hole is provided with a noir filter The developing device according to the range '1'.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59119824A JPS60263972A (en) | 1984-06-13 | 1984-06-13 | Developing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59119824A JPS60263972A (en) | 1984-06-13 | 1984-06-13 | Developing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60263972A true JPS60263972A (en) | 1985-12-27 |
Family
ID=14771157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59119824A Pending JPS60263972A (en) | 1984-06-13 | 1984-06-13 | Developing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60263972A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5414499A (en) * | 1992-12-26 | 1995-05-09 | Ricoh Company, Ltd. | Developing device for image forming apparatus having improved air/toner filtering |
| US5434654A (en) * | 1993-05-17 | 1995-07-18 | Fuji Xerox Co., Ltd. | Toner cartridge with air permeable member |
| WO2003079118A1 (en) * | 2002-03-18 | 2003-09-25 | Seiko Epson Corporation | Developing cartridge, air flow device for developing cartridge, and toner cartridge |
-
1984
- 1984-06-13 JP JP59119824A patent/JPS60263972A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5414499A (en) * | 1992-12-26 | 1995-05-09 | Ricoh Company, Ltd. | Developing device for image forming apparatus having improved air/toner filtering |
| US5434654A (en) * | 1993-05-17 | 1995-07-18 | Fuji Xerox Co., Ltd. | Toner cartridge with air permeable member |
| WO2003079118A1 (en) * | 2002-03-18 | 2003-09-25 | Seiko Epson Corporation | Developing cartridge, air flow device for developing cartridge, and toner cartridge |
| US7190920B2 (en) | 2002-03-18 | 2007-03-13 | Seiko Epson Corporation | Developing cartridge, air communication unit of developing cartridge and toner cartridge |
| CN100371832C (en) * | 2002-03-18 | 2008-02-27 | 精工爱普生株式会社 | Developing cartridge, air flow device for developing cartridge, and toner cartridge |
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