JPS60239774A - One-component developing device of copying machine - Google Patents
One-component developing device of copying machineInfo
- Publication number
- JPS60239774A JPS60239774A JP59095547A JP9554784A JPS60239774A JP S60239774 A JPS60239774 A JP S60239774A JP 59095547 A JP59095547 A JP 59095547A JP 9554784 A JP9554784 A JP 9554784A JP S60239774 A JPS60239774 A JP S60239774A
- Authority
- JP
- Japan
- Prior art keywords
- toner
- toner supply
- supply tank
- developing
- developer 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.)
- 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
- G03G15/0877—Arrangements for metering and dispensing developer from a developer cartridge into the development unit
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- 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、現像容器の小型化を可能にすることのできる
複写機の現像装置に係り、特に小型化に好適な一成分現
像剤を用いた現像装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a developing device for a copying machine that allows the development container to be downsized, and in particular to a developing device that uses a one-component developer suitable for downsizing. Regarding the developing device.
従来より、小型化が可能な複写機の現像装置が各々提案
されているが、特に−成分現像剤を用いた現像装置（以
下、−成分現像装置と呼ぶ）は、現像剤の濃度調節が必
要ないため、現像剤を収容する現像容器内には現像剤の
攪拌手段となっていたブレンダー等が不要であり、その
分現像容器の横方向のスペースを抑えることができ、小
型化には好適である。Various developing devices for copying machines that can be miniaturized have been proposed in the past, but in particular, developing devices that use a -component developer (hereinafter referred to as -component developing device) require adjustment of developer concentration. Therefore, there is no need for a blender or the like that used to stir the developer in the developer container that houses the developer, and the horizontal space of the developer container can be reduced accordingly, which is suitable for downsizing. be.
ところで、この−成分現像装置においては、例えば第１
図に示すように、現像ロール（１）上方の現像容器（２
）内の上部にトナー（３）を収容させ、その自重で下方
の現像ロール（１）上にトナー（３）を供給させるよう
な構成のものが広く用いられているが、このようなタイ
プの一成分現像装置を用いると、上記ブレンダー以外に
、現像ロール（１）へのトナー（３）の供給手段となっ
ていたパドル等が不要であり、現像容器（１）の横方向
の小型化が一層容易である。By the way, in this -component developing device, for example, the first
As shown in the figure, the developer container (2) above the developer roll (1)
), the toner (3) is stored in the upper part of the roller, and its own weight supplies the toner (3) onto the lower developing roll (1). When a one-component developing device is used, in addition to the blender described above, there is no need for a paddle, etc., which was a means of supplying toner (3) to the developing roll (1), and the developing container (1) can be made smaller in the lateral direction. It's even easier.
しかしながら、このようなタイプの一成分現像装置にあ
っては、通常上記のように、トナーが現像容器の上部に
収容されているため、横方向に比べ縦方向の小型化が困
難であり問題となっていた。However, in this type of single-component developing device, as mentioned above, the toner is usually stored in the upper part of the developer container, which makes it difficult to downsize in the vertical direction compared to the horizontal direction, which poses a problem. It had become.
本発明は、上記従来の複写機の一成分現像装置における
問題点を除去することを目的とするものであり、より詳
細には、上記−成分現像装置の現像容器の側方外部にト
ナー供給槽を設け、このトナー供給槽から現像容器にト
ナーを供給することによって、縦方向上部のスペースを
最小限に抑えることのできる一成分現像装置の現像容器
を提供することにある。The present invention aims to eliminate the problems in the conventional one-component developing device of a copying machine. It is an object of the present invention to provide a developer container for a one-component developing device, which can minimize the vertical upper space by supplying toner from the toner supply tank to the developer container.
即ち、本発明は、現像ロールと、この現像ロールを保護
する現像容器とを備えた複写機の一成分現像装置におい
て、トナーを収容するため、上記現像容器の側方外部に
設けられたトナー供給槽と、上記現像ロールの軸方向に
沿って現像容器内からトナー供給槽内に設けられたトナ
ー供給部材とを備えたものであり、上記トナー供給槽が
現像容器と別体になっており、この分現像容器の縦方向
上部の容積を小さく抑えることができ、またこのためト
ナー供給槽が現像容器の側方に設置されているが、上記
トナー供給部材を用いることによってトナーを効率よく
現像容器内に供給させることができるものである。That is, the present invention provides a one-component developing device for a copying machine that is equipped with a developing roll and a developing container that protects the developing roll. a tank, and a toner supply member provided from inside the developer container to the toner supply tank along the axial direction of the developer roll, and the toner supply tank is separate from the developer container, This makes it possible to keep the volume of the vertically upper portion of the developer container small, and for this reason the toner supply tank is installed on the side of the developer container, but by using the above-mentioned toner supply member, toner can be efficiently transferred to the developer container. It can be supplied internally.
以下、添付図面に示す実施例に基づいて本発明を説明す
る。The present invention will be described below based on embodiments shown in the accompanying drawings.
第２図及び第３図は、本発明の一実施例に係る複写機の
一成分現像装置を示すものであり、この−成分現像装置
は、現像容器（４）の側方外部に設けられ、トナーを収
容するトナー供給槽（５）と、このトナー供給槽（５）
内のトナーを抜き出し、現像ロール（６）の軸（６ａ）
方向に沿って上記現像容器（４）内にトナーを供給する
トナー供給部材（７）とから構成されている。FIGS. 2 and 3 show a one-component developing device of a copying machine according to an embodiment of the present invention, and this one-component developing device is provided outside the side of the developing container (4) A toner supply tank (5) containing toner, and this toner supply tank (5)
Pull out the toner inside and remove it from the shaft (6a) of the developing roll (6).
and a toner supply member (7) that supplies toner into the developer container (4) along the direction.
上記現像容器（４）は、感光体（８）に向けてトナーを
供給するための現像ロール（６）を保護するものであり
、従来この現像ロール（６）に供給させるトナーを収容
するため現像容器の内部」ニガに設けられていたスペー
スをトナー供給槽（５）として外部に独立して設けであ
るため、現像容器（４）の縦方向の上部スペースが最小
限に抑えられ薄形のコンパクトな形状に形成されている
。The developing container (4) protects the developing roll (6) for supplying toner toward the photoreceptor (8), and conventionally, the developing container (4) is used to store the toner supplied to the developing roll (6). The space previously provided inside the container is now used as a toner supply tank (5), which is provided independently on the outside, so the space above the vertical direction of the developer container (4) is minimized, making it thin and compact. It is formed into a shape.
尚、上記現像容器（４）の上部にはトナー供給槽（５）
内からトナーを搬入するための取入口（９）が開口さイ
ｔている。Note that there is a toner supply tank (5) above the developer container (4).
An intake port (9) for introducing toner from inside is open.
上記トナー供給槽（５）は、トナーを収容するためのも
のであり、現像容器（４）から独立した外部に設けられ
、その下部にはトナーを取り出すため排出口（１０）が
形成されている。そして、この排出口（ｌＯ）は現像容
器（４丁の上部の取入口（９）との間に設けられた連通
管（１１）によって現像容器（４）と連通連結されてお
り、内部にトナー供給部材（７）が挿通されている。The toner supply tank (5) is for storing toner, and is provided outside and independent from the developer container (4), and has a discharge port (10) formed at its lower part to take out the toner. . This discharge port (lO) is connected to the developer container (4) through a communication pipe (11) provided between the upper intake port (9) of the developer container (4 units), and the toner inside is connected to the developer container (10). A supply member (7) is inserted therethrough.
尚、上記トナー供給槽（５）には、その上部にトナー補
給口を開閉する開閉蓋（１２１が設けられており、必要
時にはこの開閉蓋（１２）を開放してトナー補給口から
トナー供給槽（５）内にトナーを補給するようになって
いる。The toner supply tank (5) is provided with an opening/closing lid (121) on the top thereof for opening and closing the toner supply port, and when necessary, the opening/closing lid (12) is opened and the toner supply tank is opened from the toner supply port. (5) Toner is replenished within the container.
上記トナー供給部材（７）は、現像ロール（６）の軸方
向に沿って現像容器（４）内にトナーを効率よく供給す
るものであり、現像容器（４）内から連通管（１１）及
びトナー供給槽（５）内に設けられ、回転軸（１３１を
中心にして回転するオーガ（１４）と、このオーガ（１
４１に沿って現像容器（４）内及びトナー供給槽（５）
内に樋状をなして設けられ、トナーの搬送・供給路とな
るトナー受け（１５）とから構成されている。そして上
記オーガ（１４）の回転軸（１３）は、モータ等の駆動
源（内路）と接続されている。The toner supply member (7) efficiently supplies toner into the developer container (4) along the axial direction of the developer roll (6), and connects the communication pipe (11) and the toner from inside the developer container (4). An auger (14) is provided in the toner supply tank (5) and rotates around a rotating shaft (131), and this auger (14)
41 inside the developer container (4) and the toner supply tank (5)
It consists of a toner receiver (15) which is provided in the shape of a gutter and serves as a toner conveyance/supply path. The rotating shaft (13) of the auger (14) is connected to a drive source (inner path) such as a motor.
尚、本実施例においては、上記現像容器（４）の小型化
のためブレンダー等が取付けられてないが、必要により
これを取付けてもよい。In this embodiment, a blender or the like is not attached to the developing container (4) in order to make it smaller, but it may be attached if necessary.
また、上記トナー供給部材（７）として本実施例ではオ
ーガ（Ｉ４）を用いであるが、勿論これに限定されるも
のではなく、これ以外にも各種のものが考えられる。Furthermore, although an auger (I4) is used as the toner supply member (7) in this embodiment, it is of course not limited to this, and various other members may be used.
従って、本実施例の複写機の一成分現像装置を用いると
、上記現像容器（４）は、トナーが収容されるトナー供
給槽（５）とは別体になっており、しかもこのトナー供
給槽（５）が上記現像容器（４）の側方に設けられてい
るため、その−分現像容器（４）の縦方向上部のスペー
スを抑えることができ現像容器（４）の薄型化が可能で
ある。特に、原稿走査時に露光ランプ等の光学系が往復
動するようなタイプの複写機に本実施例の一成分現像装
置を適用すると、光学系の往復動する分だけ余分にスペ
ースを確保する必要があっても、縦方向の寸法を小さく
抑えることができ、薄型の一成分系複写機が可能となる
。Therefore, when the one-component developing device of the copying machine of this embodiment is used, the developer container (4) is separate from the toner supply tank (5) in which toner is stored, and this toner supply tank (5) is provided on the side of the developer container (4), so the space above the developer container (4) in the vertical direction can be reduced by that amount, making it possible to make the developer container (4) thinner. be. In particular, if the single-component developing device of this embodiment is applied to a type of copying machine in which an optical system such as an exposure lamp moves back and forth when scanning a document, it is necessary to secure extra space for the back and forth movement of the optical system. Even if there is, the vertical dimension can be kept small, making it possible to create a thin one-component copying machine.
尚、本実施例の一成分現像装置を用いると、現像容器（
４）から独立したトナー供給槽（５）が、現像容器（４
）の側方に設けられているが、上記トナー供給部材（７
１によってトナー供給槽（５）内のトナーが抜き出され
、現像容器（４）内に供給される。即ち、オーガ（１４
）の回転力によりトナー供給槽（５）内のトナーが連通
管（１１）内を伝わって現像容器（４）内に搬送され、
この現像容器（４）内の現像ロール（６）の軸方向に沿
って設けられたトナー受け（１５）から溢れ出たトナー
は、現像容器（４）内に落下し、これζこよって現像ロ
ール（６）の軸（６ａ）方向に沿ってトナーが供給され
る。従って、トナー供給槽（５）が現像容器（４）の側
方に設置されていても、上記トナー供給部材（７）によ
ってトナーを効率よく現像容器（４）内に供給すること
ができる。Note that when the one-component developing device of this embodiment is used, the developing container (
A toner supply tank (5) independent from the developer container (4)
), but the toner supply member (7) is provided on the side of the toner supply member (7).
1 extracts the toner from the toner supply tank (5) and supplies it into the developer container (4). That is, the auger (14
), the toner in the toner supply tank (5) is conveyed through the communication pipe (11) and into the developer container (4).
The toner overflowing from the toner receiver (15) provided along the axial direction of the developing roll (6) in this developing container (4) falls into the developing container (4), and this causes the developing roll Toner is supplied along the axis (6a) direction of (6). Therefore, even if the toner supply tank (5) is installed on the side of the developer container (4), toner can be efficiently supplied into the developer container (4) by the toner supply member (7).
以上述べて来たように、本発明に係る複写機の一成分現
像装置は、トナーを収容するトナー供給槽を現像容器と
別体で、かつ現像容器の側方に設けることができるため
、このトナー供給槽のスペース分だけ現像容器上部の寸
法を小さく抑えることが可能となり、現像容器の縦方向
の小型化が可能となる。As described above, in the one-component developing device of the copying machine according to the present invention, the toner supply tank for storing toner can be provided separately from the developer container and on the side of the developer container. It is possible to reduce the size of the upper part of the developer container by the space of the toner supply tank, and it is possible to downsize the developer container in the vertical direction.
このため特に、原稿走査時に露光ランプ等を含む光学系
が往復動するタイプの複写機に本発明の一成分現像装置
を用いると、従来困離であった縦方向の小型化が可能と
なる。For this reason, in particular, when the one-component developing device of the present invention is used in a type of copying machine in which an optical system including an exposure lamp etc. moves back and forth during document scanning, it becomes possible to downsize the device in the vertical direction, which has been difficult in the past.
第１図は、従来型複写機の一成分現像装置を示す概略断
面図であり、第２図は、本発明が適用された複写機の一
成分現像装置を示す概略斜視図、第３図は、第２図のＡ
−Ａ矢視図を示すものである。
符号説明
ｉｌｌ （４１・・・・・・現像容器 （２Ｈ６１・・
・・・・現像ロール（５）・・・・・・トナー供給槽
（７）・旧・・トナー供給部材（１小・・・・・・オー
ガ （１５）・・・・・・トナー受は特許出願人 富士
セロソクス株式会社
代理人 弁理土中村智廣
同 同 成瀬勝夫
第１図
第２図
１βFIG. 1 is a schematic sectional view showing a one-component developing device of a conventional copying machine, FIG. 2 is a schematic perspective view showing a one-component developing device of a copying machine to which the present invention is applied, and FIG. , A in Figure 2
-A arrow view is shown. Code explanation ill (41...Developer container (2H61...
...Development roll (5) ...Toner supply tank
(7) Old... Toner supply member (1 small... Auger (15)... Toner receiver is the patent applicant Fuji Cellosox Co., Ltd. Attorney Tomohiro Nakamura, Patent Attorney Katsuo Naruse Figure 1 Figure 2 Figure 1β
Claims (1)
備えた複写機の一成分現像装置において、上記現像容器
の側方外部に設けられ、トナーを収容するトナー供給槽
と、このトナー供給槽内のトナーを抜き出し、上記現像
ロールの軸方向に沿って上記現像容器内にトナーを供給
するトナー供給部材とを備えていることを有機とする複
写機の−成分現像装置。In a one-component developing device of a copying machine that includes a developing roll and a developing container that protects the developing roll, a toner supply tank that is provided on the side outside of the developer container and stores toner, and a toner supply tank that contains toner, and and a toner supply member for extracting toner from the developer and supplying the toner into the developer container along the axial direction of the developer roll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59095547A JPS60239774A (en) | 1984-05-15 | 1984-05-15 | One-component developing device of copying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59095547A JPS60239774A (en) | 1984-05-15 | 1984-05-15 | One-component developing device of copying machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60239774A true JPS60239774A (en) | 1985-11-28 |
Family
ID=14140595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59095547A Pending JPS60239774A (en) | 1984-05-15 | 1984-05-15 | One-component developing device of copying machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60239774A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6357668U (en) * | 1986-09-30 | 1988-04-18 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5430840A (en) * | 1977-08-12 | 1979-03-07 | Hitachi Metals Ltd | Toner supplying apparatus |
| JPS5813540B2 (en) * | 1975-01-08 | 1983-03-14 | 藤沢薬品工業株式会社 | 1,2,3,4- Tetrahydroisoquinoline luino |
| JPS5895765A (en) * | 1981-12-03 | 1983-06-07 | Ricoh Co Ltd | Magnetic brush developing device |
-
1984
- 1984-05-15 JP JP59095547A patent/JPS60239774A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5813540B2 (en) * | 1975-01-08 | 1983-03-14 | 藤沢薬品工業株式会社 | 1,2,3,4- Tetrahydroisoquinoline luino |
| JPS5430840A (en) * | 1977-08-12 | 1979-03-07 | Hitachi Metals Ltd | Toner supplying apparatus |
| JPS5895765A (en) * | 1981-12-03 | 1983-06-07 | Ricoh Co Ltd | Magnetic brush developing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6357668U (en) * | 1986-09-30 | 1988-04-18 | ||
| JPH0529487Y2 (en) * | 1986-09-30 | 1993-07-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100480878C (en) | Image forming apparatus | |
| CN102495541B (en) | Toner cartridge | |
| EP0352121B1 (en) | Toner cartridge for a copying apparatus | |
| JPS59188678A (en) | Toner replenishing device of dry type copying machine | |
| US4745423A (en) | Photosensitive material processing apparatus | |
| JPH04120581A (en) | Development device for electrophotographic device | |
| JPH08339115A (en) | Developer supplying container | |
| JPH04477A (en) | Toner container | |
| JPS60239774A (en) | One-component developing device of copying machine | |
| JP2628226B2 (en) | Developing device | |
| JPH08292635A (en) | Developer supply means, process cartridge, developing device and image forming device | |
| JPH0533795B2 (en) | ||
| CN101149582B (en) | Image forming apparatus and developing agent cartridge | |
| JPH0375768A (en) | Toner cartridge | |
| JPH1055101A (en) | Toner and developer supplying device | |
| JP2943302B2 (en) | Developer supply container | |
| JPH01250974A (en) | Developing device and process cartridge | |
| JPH09222784A (en) | Developer feed/exhaust container | |
| JPS61249061A (en) | Image forming unit | |
| JPH08220859A (en) | Image forming device, process cartridge, developing device and developer replenishing container | |
| JPH09197786A (en) | Developing device | |
| JPS61208068A (en) | Developer supplying device | |
| JPH0293673A (en) | Toner cartridge | |
| JPH06186841A (en) | Developing carrying device | |
| JPH09197942A (en) | Image forming cartridge |