JPH03118573A - Powder storage container - Google Patents
Powder storage containerInfo
- Publication number
- JPH03118573A JPH03118573A JP1256495A JP25649589A JPH03118573A JP H03118573 A JPH03118573 A JP H03118573A JP 1256495 A JP1256495 A JP 1256495A JP 25649589 A JP25649589 A JP 25649589A JP H03118573 A JPH03118573 A JP H03118573A
- Authority
- JP
- Japan
- Prior art keywords
- opening
- closing member
- toner
- hopper
- main body
- 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
- 239000000843 powder Substances 0.000 title claims abstract description 38
- 230000005484 gravity Effects 0.000 claims description 12
- 238000007789 sealing Methods 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process 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〕
本発明は粉体貯蔵容器に関し、より詳しくは、画像形成
装置たとえば複写機に画像形成用の粉体であるトナーを
供給する粉体貯蔵容器に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a powder storage container, and more particularly, to a powder storage container that supplies toner, which is powder for image formation, to an image forming apparatus such as a copying machine. It is related to.
従来一般に、複写機などの画像形成装置に画像形成用の
粉体（以下トナーという）を供給する粉体貯蔵容器（以
下トナーカートリッジという）は、開口部をシールシー
トで密封するため、挿着時そのシールシートを剥がす際
、トナーが飛散して周囲を汚染するという不都合があり
、そのため種々の対策がなされている。Conventionally, powder storage containers (hereinafter referred to as toner cartridges) that supply powder for image formation (hereinafter referred to as toner) to image forming apparatuses such as copying machines have their openings sealed with seal sheets, so that when they are inserted, When the seal sheet is peeled off, there is an inconvenience that the toner scatters and contaminates the surrounding area, so various countermeasures have been taken.
そのシールシートをなくす従来例として、実開昭６４−
４９９５９号の考案は、第８図のように、トナーＴを収
納するトナーカートリッジは、開閉可能に連結され常時
閉方向に付勢された２個の容器殻１１・１１からなり、
この２個の容器殻１１・１１を第９図のように開くこと
によりホッパー１６内にトナーＴを落下供給するように
している。As a conventional example of eliminating the seal sheet,
In the invention of No. 49959, as shown in FIG. 8, a toner cartridge containing toner T consists of two container shells 11, 11 that are connected so as to be openable and closable and are always biased in the closing direction.
By opening these two container shells 11, 11 as shown in FIG. 9, the toner T is dropped and supplied into the hopper 16.
しかし、前記従来例によれば、トナーカートリッジ内の
トナーＴ自身の重量が常に２個の容器殻１１・１１を前
記付勢方向と逆の開方向に作用する構成となっているの
で、前記閉状態を不安定にしトナーＴ飛散のおそれがあ
るという課題があった。However, according to the conventional example, the weight of the toner T itself in the toner cartridge always acts on the two container shells 11 in the opening direction opposite to the urging direction. There is a problem in that the state becomes unstable and there is a risk of toner T scattering.
また、同従来例はホッパーに挿着時に２個の容器殻１１
・１１が左右に開いて大きくなるので、これを収容する
ホッパー１６も大きく構成する必要が生じ、そのため小
型化指向に逆行するという課題があった。In addition, in the conventional example, two container shells 11 are inserted into the hopper.
- Since the hopper 11 opens left and right and becomes larger, the hopper 16 that accommodates the hopper 16 also needs to be made larger, which poses the problem of going against the trend toward miniaturization.
本発明はこのような課題を解決することを目的とする。The present invention aims to solve such problems.
上記目的を達成するため、本発明は次のような粉体貯蔵
容器を提供する。すなわち本発明は、（１）画像形成装
置のホッパーに収容されて画像形成用の粉体を画像形成
装置に供給する粉体貯蔵容器であって、前記粉体を収容
する容器の本体とこの本体下部の開口部付近に開閉自在
に設けられた開閉部材とを具備し、前記開閉部材は前記
粉体自身の重力によって開閉方向に付勢されるるととも
にその重力と反対方向の外力を受けると開口し、前記開
口時には容器本体内に収納されることを特徴とする粉体
貯蔵容器。In order to achieve the above object, the present invention provides the following powder storage container. That is, the present invention provides (1) a powder storage container that is accommodated in a hopper of an image forming apparatus and supplies powder for image forming to the image forming apparatus, which includes a main body of the container that accommodates the powder; An opening/closing member provided in the vicinity of the lower opening so as to be openable/closable, the opening/closing member being biased in the opening/closing direction by the gravity of the powder itself and opened when receiving an external force in a direction opposite to the gravity. . A powder storage container, wherein the powder storage container is housed within a container body when opened.
（２）前記開閉部材における前記重力と反対方向の力は
、前記粉体貯蔵容器をホッパーに上から押し付けて収容
する際に、そのホッパー側に取り付けられた押上部材に
よって生ずる構成としたことを特徴とする請求項１記載
の粉体貯蔵容器、である。(2) The force in the direction opposite to the gravity on the opening/closing member is generated by a push-up member attached to the hopper side when the powder storage container is pressed against the hopper from above and accommodated. 2. A powder storage container according to claim 1.
上記構成において、粉体自身の重力は開閉部材を閉口状
態を保持して、粉体貯蔵容器本体内の粉体を密封する作
用をする。In the above configuration, the gravity of the powder itself acts to keep the opening/closing member in a closed state and seal the powder in the powder storage container main body.
また、前記粉体貯蔵容器をホンバーに上から押し込んで
挿着すると、前記閉口状態の開閉部材に対し押上部材に
よる前記重力と反対方向の外力が加わり、開閉部材を開
方向に作用させるためその開閉部材は開口し本体内に収
容されている粉体は開口部を経て落下する。Furthermore, when the powder storage container is pushed into the main bar from above and inserted, an external force in the direction opposite to the gravity is applied by the push-up member to the opening/closing member in the closed state, causing the opening/closing member to act in the opening direction, so that the opening/closing member is opened/closed. The member opens and the powder contained within the body falls through the opening.
また開口時には開閉部材が本体内に収納される構成にな
っているので、余分なスペースを必要とせず、ホッパー
が大型にするのを防止できる。Furthermore, since the opening/closing member is housed within the main body when the hopper is opened, no extra space is required and the hopper can be prevented from becoming large.
本発明の実施例について、以下図面にしたがって本発明
の構成が実際上どのように具体化されるかをその作用と
ともに説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS Regarding embodiments of the present invention, how the configuration of the present invention is actually embodied will be described below with reference to the drawings, along with its operation.
第１図は本発明の斜視説明図であり、図中１は画像形成
用の粉体（以下トナーという）Ｔを収容貯蔵する粉体貯
蔵容器（以下トナーカートリッジという）の本体で、こ
の本体１の下部には開口部２が設けられ、この開口部２
には開閉可能な開閉部材３が配設されている。FIG. 1 is a perspective explanatory view of the present invention. In the figure, 1 is a main body of a powder storage container (hereinafter referred to as a toner cartridge) that accommodates and stores powder T for image formation (hereinafter referred to as a toner). An opening 2 is provided at the bottom of the
An opening/closing member 3 that can be opened and closed is provided.
この開閉部材３は、その中央に折り目３ａがあり、この
折り目３ａは上方に山形に折れ曲がることばできるが、
下方に谷形に折れ曲がることはできない構造になってい
る。This opening/closing member 3 has a fold 3a in the center, and this fold 3a can be said to be bent upward into a chevron shape.
The structure is such that it cannot be bent downward into a valley shape.
したがって、本体１内のトナーＴ自身の重量が開閉部材
が上方に折れ曲がるのを防止し、トナーＴを安定密封す
る作用として働く。Therefore, the weight of the toner T itself in the main body 1 acts to prevent the opening/closing member from bending upward and to stably seal the toner T.
この開閉部材３の下面両端には支持棒４・４が取り付け
られ、この支持棒４・４は本体１の下部のスライド溝５
・５内を横方向にスライド可能に挿着されている。Support rods 4, 4 are attached to both ends of the lower surface of the opening/closing member 3, and these support rods 4, 4 are attached to the slide grooves 5 at the bottom of the main body 1.
・It is inserted so that it can be slid laterally inside 5.
この本体１の下方には、トナーカートリッジを収容して
画像形成装置にトナーＴを供給するホッパー６があり、
このホンパー６には前記開閉部材３の折り目３８部分を
上方に押し上げて折れ曲げるための押上部材７と、前記
開閉部材３の支持棒４・４の働きを誘導するガイド溝８
・８が設けられている。Below this main body 1, there is a hopper 6 that accommodates a toner cartridge and supplies toner T to the image forming apparatus.
This pusher 6 includes a push-up member 7 for pushing upward and bending the fold line 38 portion of the opening/closing member 3, and a guide groove 8 for guiding the action of the support rods 4 of the opening/closing member 3.
・8 is provided.
したがってこの支持棒４・４は、容器本体１側のスライ
ド溝５とホッパー側のガイド溝８とを同時に移動して開
閉部材３を開閉させる。Therefore, the support rods 4 open and close the opening/closing member 3 by simultaneously moving in the slide groove 5 on the container body 1 side and the guide groove 8 on the hopper side.
第２図は同実施例の断面図であり、トナーカ−トリシン
の本体１内にはトナーＴが充填され、そのトナーＴは本
体下部の開口部２に取り付けた開閉部材３で支えられ、
密封されている。FIG. 2 is a cross-sectional view of the same embodiment. The toner cartridge main body 1 is filled with toner T, and the toner T is supported by an opening/closing member 3 attached to an opening 2 at the bottom of the main body.
Sealed.
この開閉部材３を支持する支持棒４・４は２点鎖線であ
られすホッパーのガイド溝８・８の垂直部内にあり、支
持棒４・４間は最も離れた位置にある。The support rods 4, 4 supporting the opening/closing member 3 are located within the vertical portions of the guide grooves 8, 8 of the hopper indicated by the two-dot chain lines, and the support rods 4, 4 are located at the farthest position.
また、ホッパー側の押上部材７は前記開閉部材３の折り
目３ａとは雌れた位置にあり、したがって折り目３ａは
押し上げられてはいない。Further, the push-up member 7 on the hopper side is located at a position opposite to the fold line 3a of the opening/closing member 3, so that the fold line 3a is not pushed up.
そのため開閉部材３は、直線状になり、その両端は本体
１に当接して、閉口状態になる。Therefore, the opening/closing member 3 has a straight shape, and both ends thereof come into contact with the main body 1, so that the opening/closing member 3 is in a closed state.
第３図は、第２図の底面図であり、開閉部材３は両端が
本体１に当接して閉口状態となっている。FIG. 3 is a bottom view of FIG. 2, with both ends of the opening/closing member 3 in contact with the main body 1 and in a closed state.
したがって粉体Ｔは密封されている。Therefore, the powder T is sealed.
第４図は、同実施例の動作説明図であり、トナーカート
リッジをホッパー内に押し込んで行くと、まずホッパー
側の押上部材７が開閉部材３の折り目３ａに当接し折り
目３ａを少し押し上げる。FIG. 4 is an explanatory diagram of the operation of the same embodiment. When the toner cartridge is pushed into the hopper, the push-up member 7 on the hopper side first comes into contact with the fold line 3a of the opening/closing member 3 and pushes the fold line 3a up a little.
するとその開閉部材３は、への字状に折れ曲がるので、
その両端の支持棒４・４間はガイド溝８・８の中の傾斜
部をスライドしながら互に間隔を狭めていく。Then, the opening/closing member 3 will be bent in a curved shape.
The spacing between the support rods 4 at both ends of the support rods 4 is gradually narrowed while sliding on the sloped portions in the guide grooves 8.
その結果、本体１と開閉部材３両端との間が開いてきて
、今まで密封されていたトナーＴが開口部２における開
閉部材３の両側から落下しはじめる。As a result, the space between the main body 1 and both ends of the opening/closing member 3 opens, and the toner T, which has been sealed until now, begins to fall from both sides of the opening/closing member 3 in the opening 2.
第５図は、第４図の底面図であり、開閉部材３がその折
り目３ａを軸に折れ曲がり、両端の間隔が支持棒４・４
と共に少し狭められ、その開閉部材３の両端と本体との
間が少し開口してトナーＴの密封が解かれはじめた様子
を底面側から表している。FIG. 5 is a bottom view of FIG. 4, in which the opening/closing member 3 is bent around its fold 3a, and the distance between the two ends is the support rods 4 and 4.
At the same time, the opening and closing member 3 is slightly narrowed, and the space between both ends of the opening/closing member 3 and the main body is slightly opened, and the sealing of the toner T is beginning to be broken, which is shown from the bottom side.
第６図は、同実施例の挿着状態を示す図であり、トナー
カートリッジをホッパー内に上から押し込んで挿着した
状態を示している。FIG. 6 is a diagram showing the insertion state of the same embodiment, and shows a state in which the toner cartridge is pushed into the hopper from above and inserted.
この挿着状態においては、折り目３ａを押し上げられた
開閉部材３はガイド溝８・８に案内される支持棒４・４
によって二つに折り畳まれ、その結果、同開閉部材３の
両端は本体１との間を最大限に開口し、トナーＴを落下
させ、ホッパーに供給する。In this inserted state, the opening/closing member 3 whose fold line 3a has been pushed up is supported by the support rods 4 and 4 guided by the guide grooves 8 and 8.
As a result, both ends of the opening/closing member 3 open the space between them and the main body 1 to the maximum extent, allowing the toner T to fall and be supplied to the hopper.
この開口状態において、開閉部材３は折り畳まれて本体
内に収納される構成となっているので、トナーカートリ
ッジおよびホッパーなどの装置の小型化が可能である。In this open state, the opening/closing member 3 is folded and housed within the main body, so that devices such as toner cartridges and hoppers can be downsized.
第７図は、第６図の底面図であり、開閉部材３が折り目
３ａで折り畳まれ、開口部２は最大限に開口し、トナー
Ｔが十分に落下できる状態を示している。FIG. 7 is a bottom view of FIG. 6, showing a state in which the opening/closing member 3 is folded at the crease 3a, the opening 2 is opened to the maximum extent, and the toner T can sufficiently fall.
以上、実施例について説明したように、本発明は、開閉
部材の開閉によってトナーを密封し、あるいは落下供給
することができるもので、粉体の重力が閉口状態を安定
保持させるように働く一方、その重力と反対方向の外力
を加えると開口動作する開閉部材を備え、トナーカート
リッジをホッパーの上から押し込んで収容する際に、そ
の押し込む力で自動的にホッパー側の押上部材およびガ
イド溝で前記開閉部材を動作させ、開閉部材を折り畳ん
で本体内に収納させる方向に動作させて開口し、そのト
ナーの密封を解くことができるものである。As described above with respect to the embodiments, the present invention is capable of sealing or dropping toner by opening and closing the opening/closing member, and while the gravity of the powder works to stably maintain the closed state, It is equipped with an opening/closing member that opens and closes when an external force is applied in the opposite direction to the gravity, and when a toner cartridge is pushed in from above the hopper to accommodate it, the pushing force automatically causes the opening/closing member to open and close using the push-up member and guide groove on the hopper side. The toner can be unsealed by operating the opening/closing member in a direction in which the opening/closing member is folded and stored in the main body.
したがって密封性、操作性に優れ、かつ小型化に適する
ものである。Therefore, it has excellent sealing performance and operability, and is suitable for miniaturization.
なお、トナーカートリッジをホッパーから取り出すとき
は、前記挿着時とほぼ逆の動作により自動的に開口部が
閉じ、前記密封状態に戻すことができ、したがって残留
粉体が飛散するおそれがなくなるものである。Note that when the toner cartridge is removed from the hopper, the opening is automatically closed by almost the reverse operation to the above-mentioned insertion, and the sealed state can be returned to the above-mentioned state, thus eliminating the risk of residual powder scattering. be.
以上本発明によれば、粉体の重力が閉方向に付勢する構
成の開閉部材を設けたので、その粉体自身の重みで密封
性が安定し、トナー飛散による周囲の汚染を防止できる
。As described above, according to the present invention, since the opening/closing member configured to be biased in the closing direction by the gravity of the powder is provided, the sealing performance is stabilized by the weight of the powder itself, and contamination of the surrounding area due to toner scattering can be prevented.
また、開閉部材は開口時に自身を折り畳んで本体内に収
納される構成としたので、粉体貯蔵容器ならびにホッパ
ーの小型化に適する。Further, since the opening/closing member is configured to be folded up and stored within the main body when opened, it is suitable for downsizing of the powder storage container and the hopper.
さらに、ホンパーに挿着すると開閉部材はホッパー側の
押上部材による重力と反対方向の外力により押し上げら
れ、自動的に開口されるので粉体供給の操作が容易であ
る、などの効果がある。Furthermore, when inserted into the hopper, the opening/closing member is pushed up by an external force in the direction opposite to gravity from the push-up member on the hopper side, and is automatically opened, which facilitates powder supply operations.
第１図は本発明の一実施例の斜視説明図、第２図は同実
施例の断面図、第３図は第２図の底面図、第４図は同実
施例の動作説明図、第５図は第４図の底面図、第６図は
同実施例の挿着状態を示す図、第７図は第６図の底面図
、第８図ならびに第９図は従来例の説明図である。
１・・・・・・本体、
２・・・・・・開口部、
３・・・・・・開閉部材、
６・・・・・・ホッパー
７・・・・・・押上部材、
Ｔ・・・・・・トナー（粉体）
出
願
人
三田工業株式会社
第
図
第
６
図
第
図
第
図
第
凶
１1 is a perspective explanatory view of one embodiment of the present invention, FIG. 2 is a sectional view of the same embodiment, FIG. 3 is a bottom view of FIG. 2, and FIG. 4 is an explanatory diagram of the operation of the same embodiment. 5 is a bottom view of FIG. 4, FIG. 6 is a view showing the inserted state of the same embodiment, FIG. 7 is a bottom view of FIG. 6, and FIGS. 8 and 9 are explanatory views of the conventional example. be. 1... Body, 2... Opening, 3... Opening/closing member, 6... Hopper 7... Push-up member, T... ...Toner (powder) Applicant Sanda Kogyo Co., Ltd. Figure 6 Figure 1 Figure 1
Claims (2)
の粉体を画像形成装置に供給する粉体貯蔵容器であって
、前記粉体を収容する容器の本体とこの本体下部の開口
部付近に開閉自在に設けられた開閉部材とを具備し、前
記開閉部材は前記粉体自身の重力によって開閉方向に付
勢されるるとともにその重力と反対方向の外力を受ける
と開口し、前記開口時には容器本体内に収納されること
を特徴とする粉体貯蔵容器。(1) A powder storage container that is accommodated in a hopper of an image forming apparatus and supplies powder for image forming to the image forming apparatus, including the main body of the container that accommodates the powder and the vicinity of the opening at the bottom of the main body. The opening/closing member is provided with an opening/closing member that can be freely opened/closed, and the opening/closing member is urged in the opening/closing direction by the gravity of the powder itself and opens when receiving an external force in the opposite direction to the gravity, and when the opening/closing member is opened, the container is closed. A powder storage container characterized by being stored within a main body.
、前記粉体貯蔵容器をホッパーに上から押し付けて収容
する際に、そのホッパー側に取り付けられた押上部材に
よって生ずる構成としたことを特徴とする請求項１記載
の粉体貯蔵容器。(2) The force in the direction opposite to the gravity on the opening/closing member is generated by a push-up member attached to the hopper side when the powder storage container is pressed against the hopper from above and accommodated. The powder storage container according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1256495A JPH03118573A (en) | 1989-09-30 | 1989-09-30 | Powder storage container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1256495A JPH03118573A (en) | 1989-09-30 | 1989-09-30 | Powder storage container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03118573A true JPH03118573A (en) | 1991-05-21 |
Family
ID=17293431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1256495A Pending JPH03118573A (en) | 1989-09-30 | 1989-09-30 | Powder storage container |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03118573A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0575739U (en) * | 1992-03-18 | 1993-10-15 | 株式会社エンプラス | Surface light source |
| US5481344A (en) * | 1993-07-31 | 1996-01-02 | Kao Corporation | Auxiliary device, cartridge and apparatus for toner supply |
-
1989
- 1989-09-30 JP JP1256495A patent/JPH03118573A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0575739U (en) * | 1992-03-18 | 1993-10-15 | 株式会社エンプラス | Surface light source |
| US5481344A (en) * | 1993-07-31 | 1996-01-02 | Kao Corporation | Auxiliary device, cartridge and apparatus for toner supply |
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