JPH08292634A - Toner cartridge - Google Patents
Toner cartridgeInfo
- Publication number
- JPH08292634A JPH08292634A JP7100947A JP10094795A JPH08292634A JP H08292634 A JPH08292634 A JP H08292634A JP 7100947 A JP7100947 A JP 7100947A JP 10094795 A JP10094795 A JP 10094795A JP H08292634 A JPH08292634 A JP H08292634A
- Authority
- JP
- Japan
- Prior art keywords
- toner
- chamber
- supply port
- stirring member
- seal member
- 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
Landscapes
- Dry Development In Electrophotography (AREA)
Abstract
Description
【０００１】[0001]
【産業状の利用分野】本発明は、プリンタやファクシミ
リ，複写機等の画像形成装置のトナーカートリッジに係
り、特に、現像室との間にトナー供給口を備えたトナー
カートリッジに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a toner cartridge of an image forming apparatus such as a printer, a facsimile, a copying machine, etc., and more particularly to a toner cartridge having a toner supply port with a developing chamber.
【０００２】[0002]
【従来の技術】この種のトナーカートリッジとしては、
図６に示すような現像室を一体に有するタイプのものが
知られている。この図６に示すように、トナー室８に
は、充填されたトナー６を撹拌すると共にトナー６を現
像室１０へ供給するためのトナー撹拌部材１４が回転可
能に設けられている。2. Description of the Related Art As a toner cartridge of this type,
A type is known in which a developing chamber as shown in FIG. 6 is integrally formed. As shown in FIG. 6, the toner chamber 8 is rotatably provided with a toner stirring member 14 for stirring the filled toner 6 and supplying the toner 6 to the developing chamber 10.
【０００３】一方、現像室１０には、帯電したトナーを
担持する現像ローラ２２と、この現像ローラ２２に接し
て現像ローラ２２にトナー室８からのトナー６を供給す
るトナー供給ローラ２４とが備えられている。トナー供
給ローラ２４から供給された現像ローラ２２上のトナー
６は、トナー規制板２６で均一に薄層化される。On the other hand, the developing chamber 10 is provided with a developing roller 22 carrying a charged toner, and a toner supply roller 24 which is in contact with the developing roller 22 and supplies the toner 6 from the toner chamber 8 to the developing roller 22. Has been. The toner 6 supplied from the toner supply roller 24 on the developing roller 22 is uniformly thinned by the toner regulating plate 26.
【０００４】トナー６と現像室１０とは隔壁２８で仕切
られており、隔壁２８にはトナー室８と現像室１０とを
連通させるトナー供給口３０が形成されている。そし
て、このトナー供給口３０は、装置の作動前のトナー漏
れを防止する等の観点から、例えば引き抜き可能なシー
ル部材４０で閉塞されており、ユーザが直に引き剥がす
ようになっている。The toner 6 and the developing chamber 10 are partitioned by a partition wall 28, and the partition wall 28 is provided with a toner supply port 30 for communicating the toner chamber 8 and the developing chamber 10. The toner supply port 30 is closed, for example, by a seal member 40 that can be pulled out from the viewpoint of preventing toner leakage before the operation of the apparatus, so that the user can directly peel it off.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、上記の
従来品では、シール部材の表面にトナーが付着している
ため、ユーザがシール部材を手で引き抜く際にトナーが
空気中に舞って作業室内を汚染したり、或いはユーザの
手にトナーが付着して手を汚す等の不都合が生じてい
た。However, in the above-mentioned conventional products, since the toner adheres to the surface of the seal member, when the user pulls out the seal member by hand, the toner floats in the air and the inside of the work chamber is reduced. There are inconveniences such as contamination, or toner adhered to the user's hand to soil the hand.
【０００６】[0006]
【発明の目的】本発明は、かかる従来例の有する不都合
を改善し、上記の作業環境上の問題を一掃できて交換に
伴う作業性の向上を図れるトナーカートリッジを提供す
ることを、その目的とする。SUMMARY OF THE INVENTION It is an object of the present invention to provide a toner cartridge capable of improving the disadvantages of the conventional example, eliminating the above problems in the working environment, and improving the workability associated with replacement. To do.
【０００７】[0007]
【課題を解決するための手段】請求項１記載の発明で
は、トナーが充填されるトナー室と、このトナー室内に
設けられて回転駆動されるトナー撹拌部材と、前記トナ
ー室内のトナーを現像室へ送り込むためのトナー供給口
とを備えている。そして、トナー供給口はシール部材で
閉塞されており、このシール部材はトナー撹拌部材の回
転動作に伴って閉塞を解除可能にトナー撹拌部材に接続
されている、という構成を採っている。According to another aspect of the present invention, there is provided a toner chamber filled with toner, a toner agitating member provided in the toner chamber and rotationally driven, and a toner in the toner chamber being developed in a developing chamber. And a toner supply port for feeding the toner to. The toner supply port is closed by a sealing member, and the sealing member is connected to the toner stirring member so that the closing can be released as the toner stirring member rotates.
【０００８】請求項２記載の発明では、更に、シール部
材がトナー供給口に剥離可能に貼り付けられていると共
にトナー撹拌部材の回転方向に延長され、当該延長端が
トナー撹拌部材に止められている、という構成を採って
いる。According to the second aspect of the present invention, the seal member is releasably attached to the toner supply port and is extended in the rotation direction of the toner stirring member, and the extended end is stopped by the toner stirring member. There is a configuration that there is.
【０００９】[0009]
【作用】本発明では、そのトナー供給口が閉塞された状
態、すなわちシール部材を外さない状態で画像形成装置
へセットされる。トナー撹拌部材が回転駆動されると、
この回転動作に伴ってシール部材による閉塞が解除さ
れ、トナー室と現像室とが連通される。In the present invention, the toner supply port is set in the image forming apparatus in a closed state, that is, in a state in which the seal member is not removed. When the toner stirring member is driven to rotate,
With this rotation operation, the blockage by the seal member is released, and the toner chamber and the developing chamber are communicated with each other.
【００１０】また、とくに請求項２記載の発明では、ト
ナー撹拌部材の回転に伴ってシール部材が引き剥がさ
れ、トナー供給口が開口される。シール部材はトナー撹
拌部材に付いたままトナー室内で回動する。Further, particularly in the invention described in claim 2, the seal member is peeled off as the toner stirring member rotates, and the toner supply port is opened. The seal member rotates inside the toner chamber while being attached to the toner stirring member.
【００１１】[0011]
【実施例】以下、本発明の一実施例を図１乃至図５に基
づいて説明する。ここで、前述した従来例と同一構成部
分は同一符号で示すものとする。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. Here, the same components as those in the conventional example described above are denoted by the same reference numerals.
【００１２】図１に示すように、画像形成装置２にセッ
トされたトナーカートリッジ４は、トナー６が充填され
るトナー室８と現像室１０とを一体に有しており、トナ
ー室８と現像室１０の上部はカバー部材１２で閉塞され
ている。トナー室８にはトナー撹拌部材１４が回転可能
に設けられており、このトナー撹拌部材１４は、図２に
示すように、トナー６の通り抜け穴を有する格子状の撹
拌基板６と、この撹拌基板６の一端に形成された撹拌翼
１８とから構成されている。As shown in FIG. 1, the toner cartridge 4 set in the image forming apparatus 2 integrally includes a toner chamber 8 filled with the toner 6 and a developing chamber 10. The toner chamber 8 and the developing chamber 10 are integrated with each other. The upper part of the chamber 10 is closed by a cover member 12. A toner stirring member 14 is rotatably provided in the toner chamber 8. As shown in FIG. 2, the toner stirring member 14 is a grid-shaped stirring substrate 6 having through holes for the toner 6, and this stirring substrate. 6 and an agitating blade 18 formed at one end.
【００１３】一方、現像室１０には、装置側の静電潜像
担持体２０に対向すると共に帯電されたトナー層を担持
する現像ローラ２２と、この現像ローラ２２にトナー６
を供給するトナー供給ローラ２４とが備えられている。
また、現像室１０のカバー部材１２には、現像ローラ２
２上のトナー６を均一に薄層化するトナー規制板２６が
設けられている。図１中、符号２７、２９、３１はそれ
ぞれ、装置フレーム、クリーニングブレード、帯電器を
示す。On the other hand, in the developing chamber 10, a developing roller 22 facing the electrostatic latent image carrier 20 on the apparatus side and carrying a charged toner layer, and the toner 6 on the developing roller 22.
And a toner supply roller 24 for supplying the toner.
Further, the developing roller 2 is attached to the cover member 12 of the developing chamber 10.
A toner regulating plate 26 that uniformly thins the toner 6 on the upper surface 2 is provided. In FIG. 1, reference numerals 27, 29 and 31 respectively denote an apparatus frame, a cleaning blade and a charger.
【００１４】また、トナー室８と現像室１０とは隔壁２
８で仕切られており、この隔壁２８にはトナー室８内の
トナー６を現像室１０へ供給するためのトナー供給口３
０が形成されている。そして、このトナー供給口３０
は、その周縁に熱溶着されたシール部材３２で閉塞され
ている。The toner chamber 8 and the developing chamber 10 are separated from each other by a partition wall 2.
The partition 28 is provided with a toner supply port 3 for supplying the toner 6 in the toner chamber 8 to the developing chamber 10.
0 is formed. Then, the toner supply port 30
Is closed by a seal member 32 that is heat-welded to the periphery thereof.
【００１５】シール部材３２は、図３から明らかなよう
に、トナー撹拌部材１４の回転方向に延長されており、
その延長部分３２ａの先端はトナー撹拌部材１４の撹拌
基板６の一端に止められている。その他の構成は、前述
した従来例と同一となっている。As is apparent from FIG. 3, the seal member 32 extends in the rotation direction of the toner stirring member 14,
The tip of the extended portion 32 a is stopped at one end of the stirring plate 6 of the toner stirring member 14. Other configurations are the same as those of the conventional example described above.
【００１６】次に、トナーカートリッジ４の使用方法を
説明する。Next, a method of using the toner cartridge 4 will be described.
【００１７】トナー供給口３０がシール部材３２で閉塞
されている状態で、図１に示すように、トナーカートリ
ッジ４が画像形成装置２にセットされる。この後、トナ
ー撹拌部材１４が回転駆動されると、図５に示すよう
に、シール部材３２は回転に伴って引き剥がされ、トナ
ー撹拌部材１４の初期回転でトナー供給口３０から完全
に除去されてトナー撹拌部材１４にくっ付いたままトナ
ー室８内に残る。With the toner supply port 30 closed by the seal member 32, the toner cartridge 4 is set in the image forming apparatus 2 as shown in FIG. After that, when the toner stirring member 14 is rotationally driven, as shown in FIG. 5, the seal member 32 is peeled off along with the rotation, and is completely removed from the toner supply port 30 by the initial rotation of the toner stirring member 14. And remains in the toner chamber 8 while being attached to the toner stirring member 14.
【００１８】撹拌部材１４の回転に伴ってトナー供給口
３０が自動的に開口されることになるので、ユーザが直
接シール部材３２を引き剥がしたり或いは引き抜いたり
する必要が無く、また、シール部材３２もトナー室８の
外部へ出ることは無い。Since the toner supply port 30 is automatically opened as the stirring member 14 rotates, it is not necessary for the user to directly peel off or pull out the seal member 32, and the seal member 32 is not necessary. Does not go out of the toner chamber 8.
【００１９】このため、トナーが空気中に舞うことによ
る作業室内の汚染や、ユーザの手が汚れる等の問題を一
掃することができる。Therefore, it is possible to eliminate problems such as contamination of the working chamber due to the toner flying in the air and soiling of the user's hand.
【００２０】トナー室８内に残ったシール部材３２は、
トナー撹拌部材１４の外面に沿って巻き付いた状態でト
ナー撹拌部材１４と共に回転するので、トナー６の供給
動作を阻害する要因とはならない。The seal member 32 remaining in the toner chamber 8 is
Since the toner agitating member 14 rotates together with the toner agitating member 14 in a state of being wound along the outer surface of the toner agitating member 14, it does not hinder the toner 6 supply operation.
【００２１】なお、上記例では各構成要素を特定の形状
並びに特定の配置形態で示したが、これに限定される趣
旨ではなく、上述のトナー撹拌部材の回転に伴うトナー
供給口の自動的開口機能を満足する範囲で適宜に変更設
定し得るものである。In the above example, each component is shown in a specific shape and a specific arrangement, but the invention is not limited to this and the toner supply port is automatically opened by the rotation of the toner stirring member. It can be appropriately changed and set within a range satisfying the function.
【００２２】また、上記例では現像室を一体に有するタ
イプを例示したが、分離タイプにも同様に適用できるも
のである。Further, in the above example, the type having the developing chamber integrally is exemplified, but the same can be applied to the separation type.
【００２３】[0023]
【発明の効果】以上のように、本発明によると、トナー
供給口におけるシール部材の除去をトナー撹拌部材の回
転力を利用して自動的に行うことができるので、シール
部材を引き剥がす労力やこれに伴う汚れの問題を一掃す
ることができる。As described above, according to the present invention, the removal of the seal member at the toner supply port can be automatically performed by utilizing the rotational force of the toner stirring member. It is possible to eliminate the problem of dirt accompanying this.
【図１】本発明の一実施例を示す概略縦断面図である。FIG. 1 is a schematic vertical sectional view showing an embodiment of the present invention.
【図２】図１に示す実施例に係るトナーカートリッジ部
分の一部省略した概略斜視図である。FIG. 2 is a schematic perspective view of a toner cartridge portion according to the embodiment shown in FIG. 1, with a part thereof omitted.
【図３】図２におけるＩＩＩ−ＩＩＩ線に沿った断面図
である。3 is a cross-sectional view taken along the line III-III in FIG.
【図４】シール部材の平面図である。FIG. 4 is a plan view of the seal member.
【図５】図３の状態からトナー撹拌部材が回転した状態
を示す一部省略した断面図である。FIG. 5 is a partially omitted cross-sectional view showing a state where the toner stirring member is rotated from the state of FIG.
【図６】従来例における図２相当の一部省略の概略斜視
図である。FIG. 6 is a partially omitted schematic perspective view corresponding to FIG. 2 in a conventional example.
６ トナー ８ トナー室 １０ 現像室 １４ トナー撹拌部材 ３０ トナー供給口 ３２ シール部材 ３２ａ 延長部分 6 Toner 8 Toner Chamber 10 Development Chamber 14 Toner Stirring Member 30 Toner Supply Port 32 Sealing Member 32a Extension Part
Claims (3)
ナー室内に設けられて回転駆動されるトナー撹拌部材
と、前記トナー室内のトナーが現像室へ送り込まれるの
を案内するトナー供給口とを備え、このトナー供給口に
シール部材が閉塞されてなるトナーカートリッジにおい
て、 前記シール部材が、トナー供給口の内側に装着されてい
ると共に、前記トナー撹拌部材の回転動作に伴って前記
シール部材の閉塞を解除可能に当該トナー撹拌部材に接
続されていることを特徴とするトナーカートリッジ。1. A toner chamber filled with toner, a toner stirring member provided in the toner chamber and driven to rotate, and a toner supply port for guiding the toner in the toner chamber to be fed into a developing chamber. A toner cartridge having a seal member closed at the toner supply port, wherein the seal member is mounted inside the toner supply port, and the seal member is closed as the toner stirring member rotates. Is releasably connected to the toner stirring member.
剥離可能に貼り付けられていると共に，前記トナー撹拌
部材の回転方向に延長され、当該延長端が前記トナー撹
拌部材に止められていることを特徴とする請求項１記載
のトナーカートリッジ。2. The seal member is releasably attached to the toner supply port, is extended in the rotation direction of the toner stirring member, and the extended end is stopped by the toner stirring member. The toner cartridge according to claim 1, wherein:
れていることを特徴とする請求項２記載のトナーカート
リッジ。3. The toner cartridge according to claim 2, wherein the toner chamber and the developing chamber are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7100947A JPH08292634A (en) | 1995-04-25 | 1995-04-25 | Toner cartridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7100947A JPH08292634A (en) | 1995-04-25 | 1995-04-25 | Toner cartridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08292634A true JPH08292634A (en) | 1996-11-05 |
Family
ID=14287555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7100947A Pending JPH08292634A (en) | 1995-04-25 | 1995-04-25 | Toner cartridge |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08292634A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6188855B1 (en) | 1998-02-27 | 2001-02-13 | Nec Corporation | Toner cartridge capable of preventing sealing film from breaking |
| JP2014071275A (en) * | 2012-09-28 | 2014-04-21 | Canon Inc | Cartridge and image forming apparatus |
| JP2014071126A (en) * | 2012-09-27 | 2014-04-21 | Canon Inc | Cartridge, process cartridge, and image forming apparatus |
| JP2014119504A (en) * | 2012-12-13 | 2014-06-30 | Canon Inc | Developing device, process cartridge, and image forming apparatus |
| JP2015004954A (en) * | 2013-05-23 | 2015-01-08 | キヤノン株式会社 | Developer container, developing cartridge, process cartridge, and image forming apparatus |
| JP2015011110A (en) * | 2013-06-27 | 2015-01-19 | キヤノン株式会社 | Developer container, developing cartridge, process cartridge and image formation device |
| JP2015148738A (en) * | 2014-02-07 | 2015-08-20 | キヤノン株式会社 | Developer storage unit, developing apparatus, process cartridge, and image forming apparatus |
| US20150248079A1 (en) * | 2014-02-28 | 2015-09-03 | Canon Kabushiki Kaisha | Developer container, developing device, process cartridge and image forming apparatus |
| JP2015187718A (en) * | 2014-03-14 | 2015-10-29 | キヤノン株式会社 | Developing device, process cartridge, and image forming apparatus |
| US9563148B2 (en) | 2014-11-11 | 2017-02-07 | Canon Kabushiki Kaisha | Image forming apparatus comprising a plurality of rotatable sheet members to determine amount of developer by capacitive means |
| JP2018010200A (en) * | 2016-07-14 | 2018-01-18 | ブラザー工業株式会社 | Toner cartridge |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04223485A (en) * | 1990-12-26 | 1992-08-13 | Canon Inc | Developing device and process cartridge |
-
1995
- 1995-04-25 JP JP7100947A patent/JPH08292634A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04223485A (en) * | 1990-12-26 | 1992-08-13 | Canon Inc | Developing device and process cartridge |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6188855B1 (en) | 1998-02-27 | 2001-02-13 | Nec Corporation | Toner cartridge capable of preventing sealing film from breaking |
| JP2014071126A (en) * | 2012-09-27 | 2014-04-21 | Canon Inc | Cartridge, process cartridge, and image forming apparatus |
| JP2014071275A (en) * | 2012-09-28 | 2014-04-21 | Canon Inc | Cartridge and image forming apparatus |
| JP2014119504A (en) * | 2012-12-13 | 2014-06-30 | Canon Inc | Developing device, process cartridge, and image forming apparatus |
| JP2015004954A (en) * | 2013-05-23 | 2015-01-08 | キヤノン株式会社 | Developer container, developing cartridge, process cartridge, and image forming apparatus |
| JP2015011110A (en) * | 2013-06-27 | 2015-01-19 | キヤノン株式会社 | Developer container, developing cartridge, process cartridge and image formation device |
| JP2015148738A (en) * | 2014-02-07 | 2015-08-20 | キヤノン株式会社 | Developer storage unit, developing apparatus, process cartridge, and image forming apparatus |
| US20150248079A1 (en) * | 2014-02-28 | 2015-09-03 | Canon Kabushiki Kaisha | Developer container, developing device, process cartridge and image forming apparatus |
| US9335664B2 (en) | 2014-02-28 | 2016-05-10 | Canon Kabushiki Kaisha | Developer container, developing device, process cartridge and image forming apparatus |
| JP2015187718A (en) * | 2014-03-14 | 2015-10-29 | キヤノン株式会社 | Developing device, process cartridge, and image forming apparatus |
| US9563148B2 (en) | 2014-11-11 | 2017-02-07 | Canon Kabushiki Kaisha | Image forming apparatus comprising a plurality of rotatable sheet members to determine amount of developer by capacitive means |
| JP2018010200A (en) * | 2016-07-14 | 2018-01-18 | ブラザー工業株式会社 | Toner cartridge |
| WO2018012580A1 (en) * | 2016-07-14 | 2018-01-18 | ブラザー工業株式会社 | Toner cartridge |
| US10732543B2 (en) | 2016-07-14 | 2020-08-04 | Brother Kogyo Kabushiki Kaisha | Toner cartridge |
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| Date | Code | Title | Description |
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| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 19990706 |