JPH035774A - Developing device - Google Patents
Developing deviceInfo
- Publication number
- JPH035774A JPH035774A JP1139187A JP13918789A JPH035774A JP H035774 A JPH035774 A JP H035774A JP 1139187 A JP1139187 A JP 1139187A JP 13918789 A JP13918789 A JP 13918789A JP H035774 A JPH035774 A JP H035774A
- Authority
- JP
- Japan
- Prior art keywords
- toner
- seal
- developing
- toner storage
- 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.)
- Granted
Links
- 238000003860 storage Methods 0.000 claims abstract description 21
- 238000005520 cutting process Methods 0.000 claims abstract description 10
- 238000005192 partition Methods 0.000 claims description 3
- 238000000638 solvent extraction Methods 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- Dry Development In Electrophotography (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、複写機、ファクシミリ、プリンタ等に利用さ
れ、装置本体に対して着脱自在の現像装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a developing device that is used in copying machines, facsimile machines, printers, etc. and is detachable from the main body of the device.
現像装置の現像部にトナーや現像剤を供給する場合、こ
れまでトナーボトルからホッパーにトナーを補給する方
式がとられてきた。しかし、ユーザの汚れ防止に対する
要求や操作性に対する要求が厳しくなり、最近ではトナ
ーカートリッジを使用する複写機が増えてきた。2. Description of the Related Art When supplying toner or developer to a developing section of a developing device, a method has so far been used in which toner is supplied from a toner bottle to a hopper. However, as users' requirements for stain prevention and operability have become stricter, the number of copying machines that use toner cartridges has increased recently.
さらに、最近では現像部とトナーカートリッジ（トナー
貯蔵部）を一体で構成し、ユーザが装置本体より着脱し
て交換することのできる現像装置が提案されている。Furthermore, recently, a developing device has been proposed in which a developing section and a toner cartridge (toner storage section) are integrated and can be replaced by a user by detaching the developing section from the main body of the device.
そしてこの種の現像装置は、物流段階で現像部の中にト
ナーが混入しないように、両者の間をシール部材で仕切
り使用直前にこのシールを取り除く方式となっている（
例えば特開昭５９−６１８６１号公報、米国特許第３９
９９６５４号明細書。In order to prevent toner from getting into the developing section during the distribution stage, this type of developing device uses a sealing member between the two, and this seal is removed immediately before use.
For example, Japanese Patent Application Laid-Open No. 59-61861, U.S. Patent No. 39
Specification No. 99654.
米国特許第４０６５３３５号明ｔｔＪ！ｊ＠等）。US Patent No. 4,065,335 MikttJ! j@ etc.).
従来装置において、そのシールを取り除くにはシール部
の接着層を剥がす必要があり、そのためにかなり大きな
力を必要とし、また、シールを外に引き出すときシール
面に付着し拭い切れなかつたトナーで手や機内が汚れる
という問題があり、ユーザから改善の要求が強かった。In conventional devices, in order to remove the seal, it is necessary to peel off the adhesive layer on the seal, which requires a considerable amount of force, and when the seal is pulled out, the toner that adheres to the seal surface and cannot be wiped off can be removed by hand. There was a problem that the inside of the aircraft was dirty, and there were strong demands from users for improvements.
本発明の目的は、シールを取り除く力を軽減し、シール
取り除き時のトナーによる汚れを防止することのできる
現像装置を提供することにある。SUMMARY OF THE INVENTION An object of the present invention is to provide a developing device that can reduce the force required to remove the sticker and prevent staining caused by toner when removing the sticker.
上記目的は、現像部とトナー貯蔵部から構成される装置
本体に対して着脱可能な現像装置において、現像部とト
ナー貯蔵部とを仕切る開閉可能なシャッタ部材と、シャ
ッタ部材とトナー貯蔵部を形成する壁とに接着されたシ
ール部材と、シャッタ部材と壁との境目に設けられ、外
部からの引っ張り力によりシール部材を切断するＩＩＨ
線状あるいは幅狭の帯状のシール切断部材とを備えたこ
とによって達成される。The above object is to form a shutter member that can be opened and closed to partition the developing section and the toner storage section, and a shutter member and the toner storage section in a developing device that is detachable from the main body of the device and is composed of a developing section and a toner storage section. IIH, which is installed at the boundary between the shutter member and the wall and cuts the seal member by external tensile force.
This is achieved by providing a linear or narrow band-shaped seal cutting member.
シャッタ部材と、壁と、この両者の隙間を埋めるように
貼られたシール部材とで現像部とトナー貯蔵部とを完全
に分離し、かつシール切断部材を引いてシール部材を切
断した後、シャッタ部材を開放して、現像部にトナーを
混入する。The developing section and toner storage section are completely separated by the shutter member, the wall, and the sealing member pasted to fill the gap between the two, and after cutting the sealing member by pulling the seal cutting member, the shutter is closed. The member is opened and toner is mixed into the developing section.
以下、本発明の実施例を図面を参照して説明する。 Embodiments of the present invention will be described below with reference to the drawings.
第８図は複写機本体と現像装置の外観斜視図であって、
複写機本体１に対してその手前側から現像装置２が着脱
できるようになっている。FIG. 8 is an external perspective view of the copying machine main body and the developing device,
A developing device 2 can be attached and detached from the front side of a copying machine main body 1.
第１図は本発明による現像装置の一実施例の構成図であ
って、２ａは現像部（現像室）、２ｂはトナー貯蔵部（
トナー室）、３はシャッタ部材、３ａはその回転軸、３
ｂは外方に突出するレバーである。また現像部２ａは内
部に磁石を配した現像ローラ４、現像ローラ４上の現像
剤の層を規制するドクター５、現像ローラ４に現像剤を
供給し、トナー貯蔵部２ｂより補給されたトナーを攪拌
するパドルホイール６、現像部２ａの外壁にあって現像
剤中のトナー濃度を検出するセンサ７で構成される。FIG. 1 is a block diagram of an embodiment of a developing device according to the present invention, in which 2a is a developing section (developing chamber), 2b is a toner storage section (
(toner chamber), 3 is a shutter member, 3a is its rotating shaft, 3
b is a lever that projects outward. Further, the developing section 2a supplies a developing roller 4 with a magnet arranged inside, a doctor 5 that regulates the layer of developer on the developing roller 4, and a developer to the developing roller 4, and receives toner replenished from the toner storage section 2b. It is comprised of a paddle wheel 6 for stirring, and a sensor 7 located on the outer wall of the developing section 2a to detect the toner concentration in the developer.
またトナー貯蔵部２ｂには軸８により回転するトナー補
給・攪拌・トナーエンド検知部材９が内蔵されている。Further, a toner replenishment/agitation/toner end detection member 9, which is rotated by a shaft 8, is built into the toner storage portion 2b.
現像部２ａとトナー貯蔵部２ｂとを仕切るシャッタ部材
３は軸３ａを中心に回転可能で、その操作は軸３ａと実
質的に一体のレバー３ｂによって行われ、シャッタ部材
３が閉じられた状態ではレバー３ｂにより現像部π２の
本体ｌへのセットが阻止される。The shutter member 3 that partitions the developing section 2a and the toner storage section 2b is rotatable around a shaft 3a, and is operated by a lever 3b that is substantially integrated with the shaft 3a. The lever 3b prevents the developing section π2 from being set on the main body l.
シャッタ部材３が閉じられた状態（第１図の状態）では
シャッタ部材３の先端（下端）はトナー貯蔵部を形成す
る壁１０の先端（上端）と僅かな間隙を以て対向してお
り、かつこの間隙をシール部材１１で塞ぐようにしであ
る。このように、現像装置２の製造段階で現像部２ａと
トナー貯蔵部２ｂとはシール部材１１で完全に分離され
、現像部２ａには現像剤が、またトナー貯蔵部２ｂには
トナーが封入される。このシール部材１１は使用する直
前に除去される。When the shutter member 3 is closed (the state shown in FIG. 1), the tip (lower end) of the shutter member 3 faces the tip (upper end) of the wall 10 forming the toner storage portion with a slight gap therebetween. The gap is closed with a sealing member 11. As described above, at the manufacturing stage of the developing device 2, the developing section 2a and the toner storage section 2b are completely separated by the sealing member 11, and the developing section 2a is filled with developer and the toner storage section 2b is filled with toner. Ru. This seal member 11 is removed immediately before use.
第２図はシール部材の斜視図であって、紙や樹脂フィル
ムなどで構成されるシール部材１１はシャッタ部材３と
壁１０にまたがって両者に貼り付けられているが、シャ
ッタ部材３と壁１０との境目部分でシール部材１１を周
回するように糸１２が、一端を現像側板の外で弾性部材
１３で抜は止めされ、他端をフック１４に接続されて設
けられている。FIG. 2 is a perspective view of the sealing member, in which a sealing member 11 made of paper, resin film, etc. is attached to the shutter member 3 and the wall 10, spanning the shutter member 3 and the wall 10. A thread 12 is provided so as to go around the sealing member 11 at the boundary between the developing side plate and the thread 12. One end of the thread 12 is prevented from being pulled out by an elastic member 13 outside the developing side plate, and the other end is connected to a hook 14.
この糸１２の強度はシール部材１１を切断できる程度の
ものである。The strength of this thread 12 is such that it can cut the sealing member 11.
第３図はシール部材１１を切断する状態の斜視図であっ
て、フック１４を手前に引くとシール部材１１が糸１２
により切断される。糸１２を引き抜く際、出口に設けた
スポンジなどの弾性部材１４でトナーが拭き取られるた
め、外部へ汚れを出すことはない。FIG. 3 is a perspective view of the state in which the sealing member 11 is cut, and when the hook 14 is pulled toward the user, the sealing member 11 is removed from the thread 12.
disconnected by. When the thread 12 is pulled out, the toner is wiped off by an elastic member 14 such as a sponge provided at the outlet, so that no dirt is released to the outside.
第４図は装置本体ヘセットする状態の現像装置の構成図
であって、レバー３ｂを倒し、シャッタ部材３ａを開く
ことにより、現像部２ａにトナー貯蔵部２ｂ内のトナー
を補給することができる。FIG. 4 is a configuration diagram of the developing device set in the main body of the apparatus. By tilting the lever 3b and opening the shutter member 3a, the developing section 2a can be replenished with toner in the toner storage section 2b.
第５図は装置本体から引き出した状態の現像装置の構成
図であって、色替えなどの目的で現像装置２を本体から
引き出すとシャッタ部材３が閉じトナー貯蔵部２ｂ内の
トナーが不用意に現像部２ａに混入することを防止する
。FIG. 5 is a configuration diagram of the developing device when it is pulled out from the main body of the apparatus. When the developing device 2 is pulled out from the main body for the purpose of changing colors, etc., the shutter member 3 closes and the toner in the toner storage section 2b is inadvertently released. This prevents it from entering the developing section 2a.
本実施例では現像部とトナー貯蔵部とが一体で形成され
た現像装置について述べたが、トナーカートリッジのシ
ールへの応用も可能である。In this embodiment, a developing device in which a developing section and a toner storage section are integrally formed has been described, but the present invention can also be applied to a seal of a toner cartridge.
第６図、第７図は変形例によるシール部材の斜視図であ
って、この場合のシール部材１１は、引っ張り部１１ａ
を引っ張ると、この幅の分だけ裂ける性質のフィルムで
構成されている。使用に際しては引っ張り部１１ａを外
方から引っ張ることによりシール部材１１が切断される
。6 and 7 are perspective views of a seal member according to a modified example, and the seal member 11 in this case has a tension portion 11a.
It is made of a film that has the property of tearing by this width when pulled. In use, the sealing member 11 is cut by pulling the tensioning portion 11a from the outside.
なお、特許請求の範囲に記載したシール切断部材は糸１
２および引っ張り部１１ａがこれを構成する。Note that the seal cutting member described in the claims is the thread 1
2 and the tension portion 11a constitute this.
以上説明したように、本発明によれば、細線あるいは幅
狭の帯状のシール切断部材でシール部材をスリット状に
切断するので、それに要する力は軽くて済み、また、汚
れたシール部材の大部分は内部に残るので、外部に出る
トナー量を大幅に減らすごとができ、ユーザの手や衣服
また機械の内部を汚すことのない現像装置を提供するこ
とができる。As explained above, according to the present invention, since the seal member is cut into slits using a thin wire or a narrow band-shaped seal cutting member, the force required for cutting the seal member is light, and most of the dirty seal members are cut into slits. Since the toner remains inside, it is possible to significantly reduce the amount of toner that comes out, and it is possible to provide a developing device that does not stain the user's hands or clothes or the inside of the machine.
第１図は本発明による現像装置の一実施例の構成図、第
２図はシール部材の斜視図、第３図はシール部材を切断
する状態の斜視図、第４図は装置本体ヘセットする状態
の現像装置の構成図、第５図は装置本体から引き出した
状態の現像装置の構成図、第６図および第７図は変形例
によるシール部材の斜視図、第８図は複写機本体と現像
装置の外観斜視図である。
２ａ・・・現像部、２ｂ・・・トナー貯蔵部、３・・・
シャッタ部材、１０・・・壁、１１・・・シール部材、
ｌｌａ・・・引っ張り部、１２・・・糸。
第１図
！１！４図
１１８２図
第３図
第５図FIG. 1 is a configuration diagram of an embodiment of the developing device according to the present invention, FIG. 2 is a perspective view of a sealing member, FIG. 3 is a perspective view of the sealing member being cut, and FIG. 4 is a state in which it is set into the main body of the device. 5 is a configuration diagram of the developing device pulled out from the main body of the apparatus, FIGS. 6 and 7 are perspective views of seal members according to modified examples, and FIG. 8 is a diagram showing the main body of the copying machine and the developing device. FIG. 2 is an external perspective view of the device. 2a...Developing section, 2b...Toner storage section, 3...
shutter member, 10... wall, 11... seal member,
lla... tension part, 12... thread. Figure 1! 1!4Figure 1182Figure 3Figure 5
Claims (1)
着脱可能な現像装置において、現像部とトナー貯蔵部と
を仕切る開閉可能なシャッタ部材と、シャッタ部材とト
ナー貯蔵部を形成する壁とに接着されたシール部材と、
シャッタ部材と壁との境目に設けられ、外部からの引つ
張り力によりシール部材を切断する細線状あるいは幅狭
の帯状のシール切断部材とを備えたことを特徴とする現
像装置。In a developing device that is composed of a developing section and a toner storage section and is removable from the main body of the device, an openable/closable shutter member that partitions the developing section and the toner storage section and a wall that forms the shutter member and the toner storage section are provided. a bonded seal member;
A developing device comprising: a seal cutting member in the form of a thin line or narrow band, which is provided at a boundary between a shutter member and a wall, and cuts the seal member by a tensile force from the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1139187A JP2968804B2 (en) | 1989-06-02 | 1989-06-02 | Developing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1139187A JP2968804B2 (en) | 1989-06-02 | 1989-06-02 | Developing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH035774A true JPH035774A (en) | 1991-01-11 |
| JP2968804B2 JP2968804B2 (en) | 1999-11-02 |
Family
ID=15239583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1139187A Expired - Lifetime JP2968804B2 (en) | 1989-06-02 | 1989-06-02 | Developing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2968804B2 (en) |
Cited By (1)
| 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 |
-
1989
- 1989-06-02 JP JP1139187A patent/JP2968804B2/en not_active Expired - Lifetime
Cited By (1)
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2968804B2 (en) | 1999-11-02 |
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