JPS60114869A - Image forming device - Google Patents
Image forming deviceInfo
- Publication number
- JPS60114869A JPS60114869A JP58222615A JP22261583A JPS60114869A JP S60114869 A JPS60114869 A JP S60114869A JP 58222615 A JP58222615 A JP 58222615A JP 22261583 A JP22261583 A JP 22261583A JP S60114869 A JPS60114869 A JP S60114869A
- Authority
- JP
- Japan
- Prior art keywords
- door
- arm
- shaft
- unit
- 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
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/1661—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements means for handling parts of the apparatus in the apparatus
- G03G21/168—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements means for handling parts of the apparatus in the apparatus for the transfer unit
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/1604—Arrangement or disposition of the entire apparatus
- G03G21/1623—Means to access the interior of the apparatus
- G03G21/1628—Clamshell type
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
- G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
- G03G2221/1651—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for connecting the different parts
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
- G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
- G03G2221/1672—Paper handling
- G03G2221/1675—Paper handling jam treatment
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Paper Feeding For Electrophotography (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は、搬送ユニット等が本体の開閉扉の開閉に連動
して像担持体から接離するI1m像形成装危に関するも
のである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an I1m image forming apparatus in which a transport unit and the like move toward and away from an image carrier in conjunction with opening and closing of an opening/closing door of a main body.
従来、この棺のIl!lI像形成装置、なかでも特に、
複写装置に於≠て祉、複写シートはカセットその他の貯
蔵部から定着後、複写装置外に排出されるまでの間、給
紙ローラ、通常1対の板状からなる搬送案内部材、搬送
ローラ、定着ローラ等によって拘束された状態で走行せ
しめられる。Conventionally, this coffin's Il! II image forming apparatus, among others:
In a copying machine, a copy sheet is transported from a cassette or other storage unit until it is ejected from the copying machine after being fixed, by a paper feed roller, a conveyance guide member usually consisting of a pair of plates, a conveyance roller, It is made to run while being restrained by a fixing roller or the like.
一方シート自体祉周知の様に環境温〜度の変化によって
、常時、その特性が変化している為にいかなる状況に於
−ても複写シートをその全走行1根にわたって確実に搬
送させる事は必ずしも容易ではなく、ジャム(紙詰11
))を完全に阻止する小は内離でhりた〇
しかも、このジャムはこれが生じる事によシ単に蚊写が
不可能になるばかシでなく、装置内の各flrを操作し
てジャム紙を取除く等it重な護写に要する時間を浪費
する等の欠点があった。その為、ジャムが生じた場合に
その検知手段や容易かつ急速にジャム紙を除去し得る様
に複写装置を構成する事はきわめて重要なことである。On the other hand, as is well known, the characteristics of the sheet itself are constantly changing due to changes in the environmental temperature, so it is not always possible to reliably transport the copy sheet over its entire travel under any circumstances. It is not easy to jam (paper jam 11)
)) It was possible to completely prevent this from occurring.Moreover, this jam did not simply make mosquito photography impossible, but was caused by manipulating each FLR in the device. This method has disadvantages such as wasting the time required for complicated photocopying such as removing paper. Therefore, it is extremely important to configure a copying apparatus so that when a jam occurs, a means for detecting the jam occurs and a means for easily and quickly removing the jammed paper.
従来はこの為、ジャムシートを最も取シ除く事が困難な
所である感光体上のトナー像を榎写シートに転写する転
写部位近傍のシート搬送部分を一体的に構成L%転写帯
電器を含みユニット化L1このユニット全体を揺動自在
にL1前記ユニットの下部に揺動機構及び操作把手を設
けて、手動で把手を操作する事Tよυ転写部位を感光体
に対して接離自在としてジャムが発生L7’h場合でも
ジャム紙除去空間を作ル、その除去処理にあたっていた
。Conventionally, for this reason, the sheet conveying part near the transfer area where the toner image on the photoreceptor is transferred to the copying sheet, which is the most difficult part to remove the jammed sheet, was integrated with an L% transfer charger. Containing unit L1 The whole unit can be freely swung.L1 A swing mechanism and an operating handle are provided at the bottom of the unit, and the handle can be manually operated. Even when a jam occurred L7'h, a space was created to remove the jammed paper and the paper was removed.
LかL1操作者にとっては脈な作業でちった。It was a difficult task for the L or L1 operator.
そこで、本発明はこれらの諸欠点に鑑みて改良された新
規な画像形成装置を提供することである。SUMMARY OF THE INVENTION Therefore, it is an object of the present invention to provide a new image forming apparatus that is improved in view of these drawbacks.
本発明の別の目的は、第1にこの様な本来あま#)あっ
てはならないジャム処理操作及びこれに要する時間等を
大巾に削減するものである。Another object of the present invention is, first, to greatly reduce the amount of jam removal operations that should not be necessary and the time required for such operations.
また、像担持体たる感光体は、光導電層の強度が弱くメ
ンテナンスの際にはこれを損傷しない様に充分な注意が
必要であシ、さらに光導電層が光に曝されて劣化するお
それがある。In addition, the photoconductive layer of the photoreceptor, which is the image carrier, has a weak strength, so great care must be taken not to damage it during maintenance, and there is a risk that the photoconductive layer may deteriorate due to exposure to light. There is.
そこで1第2にジャム処理やメンテナンスの隙に感光体
が損傷されたシ、あるいは光に醸されたルしない様に装
置本体又は、複数個の11!II像形成手段を一体とし
てユニットに構成したものに感光体保護カバーを設ける
と共に、メンテナンスの為に装置本体の開門扉を開放す
る時に自動的に前記転写搬送ユニットの揺動おこない感
光体からユニットを離し、前6じ感光体保護カバーが転
写部を保−するに進入してくる十分な空間を確保するも
のである。Therefore, the first and second thing is to prevent the photoreceptor from being damaged during jam removal or maintenance, or from being exposed to light. II The image forming means is integrated into a unit, and a photoreceptor protection cover is provided, and when the opening door of the apparatus main body is opened for maintenance, the transfer conveyance unit is automatically swung to remove the unit from the photoreceptor. This is to ensure sufficient space for the photoreceptor protection cover to enter to protect the transfer section.
以上の様にジャム処理やメンテナンス時の手動操作を自
動化する事によシ操作時間の短縮や操作性を大巾に向上
させることができ、さらに感光体を保護することをも可
能ならしめ基本目的たるメンテナンスフリーの状態に近
づける画像形成装置の提供が可能となる。As mentioned above, by automating manual operations during jam removal and maintenance, it is possible to shorten operation time and greatly improve operability, and it is also possible to protect the photoconductor.The basic purpose is to Accordingly, it is possible to provide an image forming apparatus that is almost maintenance-free.
まず以下本発明を適用できる複写機の実施例について図
に従って詳細に説明する。First, an embodiment of a copying machine to which the present invention can be applied will be described in detail with reference to the drawings.
第1図は本発明を適用しつる複写機の側面を、複写機本
体にもうけた開開自在の側蓋な紙面手前に倒して開放し
1さらに一部を切截して示し7b断面図である。複写機
本体100内には、紙面に垂直方向にのびる中心軸線を
有する円筒状の感光体2およびその周辺近傍に配L f
c現像器3、クリーナ4および帯電器5が、フレーム1
aに一体的に取ル付けられていてこれら各部材が全体と
してユニット1を構成している。そしてとのユニッ)l
は、複写機本体内に固装した支持部材SK杉成した支持
案内部Sa、Sbに載置されていて、複写機本体の紙面
手前側に配した開1rJ扉(不図示)を開放したのち、
紙面手前方向に引き出すことができるようになっている
。Fig. 1 is a cross-sectional view 7b showing the side surface of a copying machine to which the present invention is applied, with a side lid provided on the copying machine body that can be opened freely tilted down towards the front of the paper, and a part cut away. be. Inside the copying machine main body 100, there is a cylindrical photoreceptor 2 having a central axis extending perpendicular to the plane of the paper, and a photoreceptor L f disposed near the periphery thereof.
c The developer 3, the cleaner 4 and the charger 5 are connected to the frame 1.
These members are integrally attached to a and constitute the unit 1 as a whole. And unit)l
are placed on the support guide parts Sa and Sb, which are made of support members SK and Sb, which are fixed in the copying machine main body, and are opened after opening the opening door (not shown) arranged on the front side of the copying machine main body. ,
It can be pulled out towards the front of the page.
感光体を含む前記ユニツ)1の下方には、以下に説明す
るユニッ)11の図示右端に装架されてψる転写ム」帯
電器8a、分離ローラ8b等が配握されて−る。感光体
2の上方には前記支持部材Sに固装されて−るレンズ系
LEが配されてお如、さらに俟写痴頂面には原稿Mを載
置して図示左右に往復動する透明ガラス板Gが取シっけ
られている。Below the unit 1 including the photoreceptor, there are arranged a transfer arm 8a, a separation roller 8b, etc., which are mounted on the right end of the unit 11 in the figure and will be described below. A lens system LE fixed to the support member S is disposed above the photoreceptor 2, and a transparent lens system LE is mounted on the top surface of the photoconductor 2 and moves back and forth from side to side as shown in the figure. Glass plate G has been removed.
複写作業について略述すると、原稿Mを載置したガラス
板Gを含む原稿t1tき台が一方に移動し、このとき光
源りによって原稿面をjK1射すると、原稿面からの反
射光はレンズ系LEを経て、予め帯電器5によって一様
に帯電された感光体表面に結像して静電潜像を杉成し、
っ―で該潜像は矢印A方向に同転する感光体にのりて現
像器3の位置に至ってトナー像を形成する。To briefly describe the copying process, the document table t1t including the glass plate G on which the document M is placed moves to one side, and at this time, when a light source rays jK1 onto the document surface, the reflected light from the document surface is reflected by the lens system LE. After that, an electrostatic latent image is formed by forming an image on the surface of the photoreceptor which has been uniformly charged by the charger 5,
Then, the latent image is placed on a photoreceptor that rotates in the direction of arrow A, reaches the position of the developing device 3, and forms a toner image.
一方複写機本体に係合しているカセットc内の転写材は
、給紙コロ6によって上部のものから順次機内に送給さ
れ、レジストローラフによって感光体表面の前記トナー
像と位置を合せて前記Wm器8aのある転写部位に至っ
てトナー像は転写材に転移し、トナー像を担持する転写
材は、さらに分離ローフsbの分離手段によって感光体
から分離され、搬送路9を経て定着器10によって定着
固定されて機外に排出される。On the other hand, the transfer materials in the cassette c engaged with the main body of the copying machine are sequentially fed into the machine by paper feed rollers 6 starting from the top, and are aligned with the toner image on the surface of the photoreceptor by the registration roller rough. The toner image is transferred to the transfer material when it reaches the transfer site where the Wm device 8a is located, and the transfer material carrying the toner image is further separated from the photoreceptor by the separation means of the separation loaf sb, and then transferred to the fixing device 10 via the conveyance path 9. It is fixed and fixed by the machine and then ejected from the machine.
一方転写終了後、感光体はさらにU m L s転写に
寄与しなかった現像剤はクリーナ14によりて除去され
た後、再び前と同様の複写工程に入る。On the other hand, after the transfer is completed, the developer that did not contribute to the U m L s transfer is further removed from the photoreceptor by the cleaner 14, and then the photoreceptor again enters the same copying process as before.
次に、本発明の従来例について説明する。Next, a conventional example of the present invention will be explained.
感光体2を含むユニット1の下方に複写シート搬送路9
、及びその上流には分離ローラ8b、更には転写帯電器
8aを有して、支軸12を中心として回動可能な転写搬
送二ニット11がある。A copy sheet conveyance path 9 is provided below the unit 1 including the photoreceptor 2.
, and upstream thereof there is a transfer conveyance unit 11 which has a separation roller 8b and further a transfer charger 8a and is rotatable about a support shaft 12.
前記ユニツ)11の下には、複写装置本体底面に同種さ
れた軸支持板13があ)、これに支持された軸14を中
心として回動可能なレバー15が1前記転写搬送ユニツ
)11下部に取着された仮バネ17を押圧する所のコロ
16を保持している。Below the transfer unit 11, there is a shaft support plate 13, which is similar to the bottom of the main body of the copying machine, and a lever 15, which is rotatable about a shaft 14 supported by this, is attached to the lower part of the transfer and conveyance unit 11. It holds a roller 16 that presses a temporary spring 17 attached to the roller.
この為レバー15は常態では図の様に画像形成1]能な
位置となっているが、図示しない操作把手によシ手動操
作で反時計方向へ回動変位する事によシ、感光体2の下
部である所の前記転写・搬送ユニッ)11を降下せしめ
前記感光体2との空間を確保し、ジャム処理やメンテナ
ンスを実行できるものである。For this reason, the lever 15 is normally in a position where image formation (1) is possible as shown in the figure, but it can be rotated counterclockwise by manual operation using an operation handle (not shown). The transfer/conveyance unit 11 located at the lower part of the photoconductor 2 is lowered to secure a space with the photoreceptor 2, thereby making it possible to perform jam removal and maintenance.
この様な複写装置において、次に本発明の実施例を第2
図に示す斜視図によってその構成について説明する。In such a copying apparatus, the second embodiment of the present invention will be described next.
The configuration will be explained with reference to the perspective view shown in the figure.
感光体2の砥は下方の位置にある所の複写装備°本体底
板20を、ゴム足21とのデッドスペースに当たる部分
を凹面形状に加工した底面に機構部品をユニット化する
ための合板22があシ、この上に支持金具23が取着し
てあシ軸25によってレバー24がこれに揺動自在に懸
架しである0前記レバー24には、前述の複写シート搬
送路9及び分離ローラ8b、転写帯電器8aが取着され
ている搬送ユニット11を装置本体紙板に取着されてい
る支持板13及び側板52(第3図谷照)の軸12を中
心として回動せしめるコロ26が軸28に回転可能に取
着されである。The photoconductor 2 is polished by a copying device located at a lower position. The bottom plate 20 of the main body is machined into a concave shape in the dead space with the rubber feet 21, and a plywood 22 for unitizing the mechanical parts is provided on the bottom surface. A support fitting 23 is attached to this, and a lever 24 is swingably suspended thereon by a foot shaft 25.The lever 24 includes the above-mentioned copy sheet conveyance path 9, separation roller 8b, A roller 26 that rotates the conveying unit 11 to which the transfer charger 8a is attached about the axis 12 of the support plate 13 and side plate 52 (see Fig. 3) attached to the paper board of the main body of the apparatus is attached to the axis 28. It is rotatably attached to.
前記レバー24には前記転写・搬送ユニッ)11の自重
及びこのユニツ)11を感光体2の近傍の所定位t(第
3図で示す50及び51の部分)に常時押圧可能な付勢
力を持つ引張バネ27が張設しである。この為、前記レ
バー24は回動解除の動作を与えられると軸25を中心
として時計方間に回動変位して、常態では第3図に示す
様に前記搬送ユニット11の上面を複写装置本体側板の
基準位t50及び51に当接し画像形成可能な位置とな
りうる。The lever 24 has the weight of the transfer/transport unit 11 and a biasing force capable of constantly pressing the unit 11 to a predetermined position t near the photoreceptor 2 (portions 50 and 51 shown in FIG. 3). The tension spring 27 is tensioned. Therefore, when the lever 24 is given a rotation release action, it is rotated clockwise about the shaft 25, and under normal conditions, the upper surface of the conveyance unit 11 is moved to the main body of the copying machine, as shown in FIG. It can come into contact with the reference positions t50 and t51 of the side plates and become a position where image formation is possible.
複写装置本体底&20の前扉30側には前扉30の回動
ヒンジ30aを備えたアーム支持台31が同種しておシ
、この支持台31にはアーム32が軸36を中心に揺動
自在に取着されている。At the bottom of the main body of the copying machine and on the side of the front door 30, there is an arm support stand 31 of the same type equipped with a pivot hinge 30a for the front door 30, and on this support stand 31, an arm 32 swings about a shaft 36. It is attached freely.
前記アーム支持台31には軸36位協ケ中心に円弧上の
長大31bが形成されておシ、その変位範囲はアーム3
2が、第2図の様に前!!¥30を同動開放して位置規
制する位置と、氾3図の様に前扉30が閉成して装置本
体の側板53に取着されている所のドアキャッチ45と
前扉側ドアキャッチ46とが両者噛合する規定位置にな
るまでの角度である。The arm support base 31 is formed with an elongated arc 31b centered at the 36th position of the axis, and its displacement range is the same as that of the arm 3.
2 is in front as shown in Figure 2! ! The position where 30 yen is opened simultaneously and the position is regulated, and the door catch 45 and front door side door catch where the front door 30 is closed and attached to the side plate 53 of the device body as shown in Figure 3. 46 is the angle until the two reach a specified position where they engage.
また、アーム32には軸34が同種されておυ、この軸
の1部(図の奥側)は前記アーム支持台31の長穴部3
1bを貫通し遊嵌しており、貫通した鉋から長大のrI
Jよシ大きな図示しない平ワツシヤーとEiミストップ
リング軸方向を規制している。Further, the arm 32 has a shaft 34 of the same type, and a part of this shaft (on the back side of the figure) is connected to the elongated hole part 3 of the arm support base 31.
It penetrates 1b and fits loosely, and from the penetrating plane there is a long rI
A larger flat washer (not shown) than J and Ei restrict the axial direction of the misstop ring.
ざらに軸34の前方には、前述の搬送ユニット11を上
昇・下降する所のレバー24に軸35を介して回転可能
なジヨイントレバー33が遊嵌しておシ、これも軸34
よシ大きな直径の平ワツシヤーとE形ストップリングで
軸方向を規制され取着している。Roughly in front of the shaft 34, a joint lever 33 rotatable via a shaft 35 is fitted loosely into the lever 24 that raises and lowers the aforementioned transport unit 11.
The axial direction is regulated and installed using a larger diameter flat washer and an E-shaped stop ring.
前述したアーム32に同種された軸34が、アーム支持
台31の長穴部31bを1(進・遊辰しアーム支持台S
1の奥側で図示しない平ワツシヤーとE形ストップリン
グで軸方向を位慣、規制している理由は、前記ジョイン
トレーく−33がレバー24を介して搬送ユニット11
を押上ける役目の引張バネ27のけん引力によル軸54
及びアーム32を図示り方向(舘2図)に強く引く為、
アーム32の支点36を中心としてア5−ム32を図示
C方向に倒す方向のモーメントが発生しているが、この
力を抑止する為のものである。The shaft 34, which is the same type as the arm 32 described above, connects the elongated hole 31b of the arm support base 31 with the arm support base S.
The reason why the axial direction is controlled by a flat washer and an E-shaped stop ring (not shown) on the back side of the conveyor unit 11 is that the joint rack 33 is connected to the conveyor unit 11 via the lever 24.
The traction force of the tension spring 27 that pushes up the shaft 54
And in order to strongly pull the arm 32 in the direction shown (Figure 2),
A moment is generated around the fulcrum 36 of the arm 32 in the direction of tilting the arm 32 in the direction C in the figure, but this is intended to suppress this force.
別記アーム32の他端方向には軸37が固植δれておシ
、この軸は前扉30に固装されて−るアーム台38の長
穴38aを貫通してこれに遊嵌しているものであって、
更に図示しな一長穴巾よシ大きな直径の平ワツシヤーと
ねじによシ長穴をスライド可能な適当なギャップを軸方
向に保ちながら、図奥側よシネジで固定されて―る。A shaft 37 is fixedly fixed to the other end of the arm 32, and this shaft passes through an elongated hole 38a of an arm stand 38 fixed to the front door 30 and is loosely fitted therein. It is something that exists,
Furthermore, a flat washer with a larger diameter than the width of the elongated hole (not shown) is fixed with a screw from the rear side of the figure while maintaining an appropriate gap in the axial direction that allows the elongated hole to slide.
このネジは容易に取付・取外しが可能で、例えばネジを
取外してアーム32を手動操作で図よシ装置本体前飴板
53(第3図谷照)の方向に持ち上ける事によシ、前記
引張ルバネ2フのけん引力によル自動的に搬送ユニツ)
11が上昇し、所定の位置で位置規制される。This screw can be easily installed and removed, for example, by removing the screw and manually lifting the arm 32 in the direction of the front plate 53 of the device main body (see Figure 3). The unit is automatically transported by the traction force of the two tension springs)
11 is raised and its position is regulated at a predetermined position.
次に、操作手順について説明すると、wJ2図に於−て
、前扉30は、アーム支持台31のヒンジ、1J31a
を中心として回動され、前扉30に固装されて、−る所
のアーム台38の長穴38a部に軸37と図示しないネ
ジとで遊嵌さgて−るアーム32の移動終端でちる長穴
38aiillの開放終端点から、閉成する矢印C方向
へ移動させる為に、手動操作すると、前述のアーム32
の軸3フは、アーム台38の長大38aの点から長穴の
他端部である38bの方向へ移動する。同時に、アーム
32もアーム支持台31の軸36を中心として、これも
アーム32に面積されて−る軸34が、アーム支持台3
1の長大の一端側31bから他端側3、lcヘアーム3
2のC方向への位置規制をしながら移動する。Next, to explain the operation procedure, in Figure wJ2, the front door 30 is attached to the hinge of the arm support stand 31, 1J31a.
At the end of the movement of the arm 32, which is rotated around , is fixed to the front door 30, and is loosely fitted into the elongated hole 38a of the arm stand 38 with a shaft 37 and a screw (not shown). When manually operated to move the elongated hole 38aill from the open end point in the direction of arrow C to close it, the arm 32 described above
The shaft 3 moves from the point 38a of the arm stand 38 toward the other end of the elongated hole 38b. At the same time, the arm 32 is also centered around the axis 36 of the arm support 31, and the axis 34, which is also covered by the arm 32, is centered on the axis 36 of the arm support 31.
1 from one long end side 31b to the other end side 3, lc hair arm 3
Move while regulating the position in the C direction of 2.
さらに、上記の移動と共にアーム32に面積されてφる
軸34と遊嵌しているジ目インドレバー33も同時にア
ーム32と同方向へ移動する事になる。Further, along with the above movement, the joint lever 33 loosely fitted to the shaft 34 having an area φ of the arm 32 also moves in the same direction as the arm 32.
この移動によって装置本体内部の絨送ユニツ)11の下
部にあるレバー24は時計方向へ軸25を中心に回動を
始める。この回動方向には引張バネ2γが張設してあっ
て、前述の搬送ユニット11を装置本体側板の基準位置
である5o又は51部へ自動的に押上けるものである〇
この時点で口σJTh30ti装置本体側板に取着され
ているドアキャッチ45と前J)Qso自身に取着され
て−るドアキャッチ46と噛合し[[iiI像形成可能
なる常態に保持さnることになる。As a result of this movement, the lever 24 at the bottom of the carpet feeding unit (11) inside the main body of the apparatus begins to rotate clockwise about the shaft 25. A tension spring 2γ is tensioned in this direction of rotation, and automatically pushes up the aforementioned transport unit 11 to the reference position 5o or 51 of the side plate of the apparatus main body. At this point, the opening σJTh30ti The door catch 45 attached to the side plate of the main body of the apparatus meshes with the door catch 46 attached to the front Qso itself to maintain a normal state in which image formation is possible.
前扉30−を開放した位置に復するには11hを開放同
動し上記の逆行の動作を経てジャム処理やメンテナンス
可能な状態となる。In order to return the front door 30- to the open position, the door 11h is opened and the door 11h is opened, and through the above-mentioned reverse operation, the state becomes ready for jam removal and maintenance.
また感光体2から搬送ユニットll′t−接離可能にし
たから、1jiJ d 30を1;1」放し、rmBt
tM送z= y )11を感光体2がら離隔した際、搬
送ユニツ)1に装着されてψる感光体保饅カバー18(
第1図)を上記搬送ユニットの移動にょシ得られ空間で
bるF方向へ進入させ感光体2の転写部を保護する小が
可能であシ、ジャム処理やメンテナンスの際に、あるφ
は本実施例の複写装置の場合は現像剤捕給時に搬送ユニ
ット1を図示手前側に引き出す方式となってψるので、
これらの際に、外光や手扱いによる損侮から保帥する事
を前扉と建#Iさせて自動的におこなう事ができる。Also, since the transport unit ll't- can be moved in and out of the photoreceptor 2, 1jiJ d 30 is released by 1;1'', and rmBt
When the tM feed z=y ) 11 is separated from the photoconductor 2, the photoconductor holding cover 18 (
It is possible to protect the transfer area of the photoreceptor 2 by moving the conveyance unit in the direction of F in the space obtained by the movement of the conveyance unit.
In the case of the copying apparatus of this embodiment, the transport unit 1 is pulled out toward the front in the figure when collecting developer, so that
In these cases, it is possible to automatically protect the front door from damage caused by outside light or handling.
以上説明したように本発明の構成によれば搬送ユニット
を商閉扉とバランスをとって連動させて画像形成部から
接離可能にしたのでジャム処理等が非常に答易かっ安全
になる。As explained above, according to the configuration of the present invention, the conveyance unit is interlocked with the commercial closing door in a well-balanced manner so that it can approach and separate from the image forming section, so that handling of jams, etc. becomes very easy and safe.
さらに、保護カバー等の開v!4扉との連動もできるた
め感光体等の損傷・劣化等をも防止することも可能であ
る。Furthermore, opening the protective cover, etc. Since it can be linked with four doors, it is also possible to prevent damage and deterioration of the photoreceptor, etc.
第1図は本発明を通用した複写装置の実施例を示した断
面図、石2図は搬送ユニットを開放した状態を示す斜視
図、第3図は扉を閑じた成層を示す断凹図である。
図にお−て、llは搬送ユニット、24はレバー、30
は前扉、32はアーム、33はジ1イントレ/<−13
8はアーム台、39は引張バネである。Fig. 1 is a cross-sectional view showing an embodiment of a copying apparatus according to the present invention, Fig. 2 is a perspective view showing the transport unit in an open state, and Fig. 3 is a cutaway view showing the stratification with the door open. It is. In the figure, ll is a transport unit, 24 is a lever, and 30
is the front door, 32 is the arm, 33 is the 1 intre/<-13
8 is an arm stand, and 39 is a tension spring.
Claims (2)
間する方向へ開放する画像形成装置において、 該搬送ユニットを開閉移動する開閉扉の移動に連動して
該搬送位置から離脱するようにしたことを特徴とした画
像形成装置。(1) In an image forming apparatus in which a transport unit that transports sheets is opened in a direction away from a transport position, the transport unit is moved away from the transport position in conjunction with the movement of an opening/closing door that opens and closes the transport unit. Featured image forming device.
囲第1項記載の画像形成装置。(2) The image forming apparatus according to claim 1, wherein the transport unit has a transfer means.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58222615A JPS60114869A (en) | 1983-11-25 | 1983-11-25 | Image forming device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58222615A JPS60114869A (en) | 1983-11-25 | 1983-11-25 | Image forming device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS60114869A true JPS60114869A (en) | 1985-06-21 |
Family
ID=16785229
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58222615A Pending JPS60114869A (en) | 1983-11-25 | 1983-11-25 | Image forming device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60114869A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61267061A (en) * | 1985-05-21 | 1986-11-26 | Konishiroku Photo Ind Co Ltd | Electrostatic recording device |
US7031639B2 (en) * | 2003-05-13 | 2006-04-18 | Sharp Kabushiki Kaisha | Open/close mechanism and image forming apparatus using the same |
-
1983
- 1983-11-25 JP JP58222615A patent/JPS60114869A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61267061A (en) * | 1985-05-21 | 1986-11-26 | Konishiroku Photo Ind Co Ltd | Electrostatic recording device |
US7031639B2 (en) * | 2003-05-13 | 2006-04-18 | Sharp Kabushiki Kaisha | Open/close mechanism and image forming apparatus using the same |
CN100399209C (en) * | 2003-05-13 | 2008-07-02 | 夏普株式会社 | Opening/closing mechanism and image forming apparatus using the same |
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