JPH0682238B2 - Image forming device - Google Patents
Image forming deviceInfo
- Publication number
- JPH0682238B2 JPH0682238B2 JP61147423A JP14742386A JPH0682238B2 JP H0682238 B2 JPH0682238 B2 JP H0682238B2 JP 61147423 A JP61147423 A JP 61147423A JP 14742386 A JP14742386 A JP 14742386A JP H0682238 B2 JPH0682238 B2 JP H0682238B2
- Authority
- JP
- Japan
- Prior art keywords
- image forming
- housing
- forming apparatus
- process cartridge
- 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.)
- Expired - Lifetime
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
- G03G21/18—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
- G03G21/1839—Means for handling the process cartridge in the apparatus body
- G03G21/1842—Means for handling the process cartridge in the apparatus body for guiding and mounting the process cartridge, positioning, alignment, locks
- G03G21/185—Means for handling the process cartridge in the apparatus body for guiding and mounting the process cartridge, positioning, alignment, locks the process cartridge being mounted parallel to the axis of the photosensitive member
-
- 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
- G03G2221/1636—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for the exposure unit
-
- 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
-
- 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
- G03G2221/1678—Frame structures
- G03G2221/1684—Frame structures using extractable subframes, e.g. on rails or hinges
-
- 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
- G03G2221/18—Cartridge systems
- G03G2221/183—Process cartridge
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、画像形成装置に関する。The present invention relates to an image forming apparatus.
〔従来技術〕 従来、ジャム処理等の操作を容易にするため、装置本体
を上下に分割し、上部本体のワニ口式に開閉可能になっ
ているものが知られている。[Prior Art] Conventionally, in order to facilitate an operation such as a jam treatment, it is known that an apparatus main body is divided into upper and lower parts and can be opened and closed by an alligator type of an upper main body.
しかしながら、比較的重量のある原稿台等を上部本体に
もたせている場合、上部本体の重量が重くなり、上部本
体を上方へ開放する為のトーションバー等の付勢手段の
荷重が大きくなる為、上部本体の剛性が必要とされ、そ
のため上部本体は板金で構成されることが行われたい
た。このため、更に本体の重量増加につながっていた。However, when a relatively heavy document table or the like is placed on the upper main body, the weight of the upper main body becomes heavy, and the load of the biasing means such as the torsion bar for opening the upper main body becomes large. The rigidity of the upper body was required, and it was done that the upper body was composed of sheet metal. Therefore, the weight of the main body was further increased.
本発明は、前記従来例の問題点を解決するために、第２
筐体を一体モールド成形で構成したものである。このた
め本体の軽量化が実現でき、更にプロセスカートリッジ
装着部と光学手段装着部とを一体成形で構成できるた
め、高精度の位置出しが可能となった。In order to solve the problems of the conventional example, the present invention provides a second
The housing is formed by integral molding. Therefore, the weight of the main body can be reduced, and the process cartridge mounting portion and the optical means mounting portion can be integrally formed, which enables highly accurate positioning.
以下、本発明の実施例を図面に従って説明する。Embodiments of the present invention will be described below with reference to the drawings.
なお、以下説明する実施例は、装置本体が第１筐体と第
２筐体とに分割可能であって、プロセスカートリッジを
受け入れるためのカートリッジ受け部91・92と短焦点素
子アレイレンズ４の支持手段41とを一体モールド成形し
た画像形成装置である。また、前記プロセスカートリッ
ジ受け部と91・92と、プロセスカートリッジの位置決め
部材とを一体モールド成形した画像形成装置である。さ
らに前記カートリッジ受け部と91・92と短焦点素子アレ
イレンズ４の支持手段41を有して、下部本体19に対して
開閉可能な上部本体21を一体モールド成形したものであ
る。In the embodiments described below, the apparatus main body can be divided into a first housing and a second housing, and cartridge receiving portions 9 1 and 9 2 for receiving a process cartridge and a short focus element array lens 4 are provided. an image forming apparatus which is integrally molded with the support means 4 first. Further, the image forming apparatus is formed by integrally molding the process cartridge receiving portion, 9 1 and 9 2 and the positioning member of the process cartridge. Further comprising a supporting means 4 1 of the cartridge holders and 9 1, 9 2 and short focal element array lens 4 is obtained by integrally molding an openable upper body 21 relative to the lower body 19.
さて第１図は、本発明の一実施例を適用した電子写真複
写装置の主要部側面図である。Now, FIG. 1 is a side view of a main portion of an electrophotographic copying apparatus to which an embodiment of the present invention is applied.
図において、１は電子写真方を用いた複写装置で、導電
性ドラム基体上に光導電層を設けた感光ドラム２が、矢
印方向（第２図）に回転可能なように軸支されている。
このドラム２の周囲にはドラムの回転方向に従って、コ
ロナ放電器３、短焦点光学素子アレイ４、現像器５、転
写コロナ放電器６、クリーニング器７が配設されてい
る。そしてこの装置１では、感光ドラム２と共に放電器
３、現像器５そしてクリーニング器７が筐体８により一
体的に支持されている。この筐体８は本体側に固設され
ているガイドレール91・92により案内支持され、本体装
置に対して着脱される。In the figure, reference numeral 1 is a copying machine using electrophotography, in which a photosensitive drum 2 provided with a photoconductive layer on a conductive drum substrate is rotatably supported in a direction of an arrow (FIG. 2). .
Around the drum 2, a corona discharger 3, a short focus optical element array 4, a developing device 5, a transfer corona discharger 6, and a cleaning device 7 are arranged according to the rotating direction of the drum. In the apparatus 1, the discharge drum 3, the developing device 5, and the cleaning device 7 are integrally supported by the housing 8 together with the photosensitive drum 2. The casing 8 is guided and supported by guide rails 9 1 and 9 2 fixed to the main body side, and is attached to and detached from the main body device.
ここで本実施例によれば、前記カートリッジ受け部とし
てのガイドレール91・92と短焦点素子アレイレンズ４の
支持手段41とを一体モールド成形している。Here, according to this embodiment, the guide rails 9 1 and 9 2 as the cartridge receiving portion and the support means 4 1 for the short focus element array lens 4 are integrally molded.
さて前記複写装置においては、コロナ放電器３で感光ド
ラム２の表面を所定極性で均一に帯電し、次いで装置本
体上部の往復移動する原稿第10の原稿を蛍光灯11で照明
し、反射光を素子アレイ４を介してドラム２上に露光し
て潜像を形成する。形成された潜像は現像器５により現
像され、その現像像は転写コロナ放電器６により転写さ
れる。給紙トレイ12上の転写紙Ｐは給紙ローラ13により
給紙されタイミングローラ14により転写部へ、タイミン
グを合せて搬送される。In the copying apparatus, the surface of the photosensitive drum 2 is uniformly charged with a predetermined polarity by the corona discharger 3, and then the reciprocating document No. 10 document on the upper part of the apparatus main body is illuminated by the fluorescent lamp 11 to reflect the reflected light. The drum 2 is exposed through the element array 4 to form a latent image. The formed latent image is developed by the developing device 5, and the developed image is transferred by the transfer corona discharger 6. The transfer paper P on the paper feed tray 12 is fed by the paper feed roller 13 and conveyed by the timing roller 14 to the transfer portion at the same timing.
19は下部本体であり、ピン20を中心として上部本体21が
開閉自在に支持されている。第２図に、上部本体21を閉
じた状態の本体側断面図を示す。Reference numeral 19 denotes a lower body, and an upper body 21 is rotatably supported around a pin 20. FIG. 2 shows a sectional view of the main body side with the upper main body 21 closed.
なおここで、上部本体はカートリッジ受け部91・92と短
焦点素子アレイレンズ４の支持手段等を有して、下部本
体19に対し開閉可能であって一体モールド成形されてい
る。また、下部本体19は、給紙トレー12、給紙ローラ1
3、転写コロナ放電器６及び定着機17を有している。Here, the upper main body has cartridge receiving portions 9 1 and 9 2 and supporting means for the short focus element array lens 4 and the like, is openable and closable with respect to the lower main body 19 and is integrally molded. Further, the lower body 19 includes a paper feed tray 12 and a paper feed roller 1.
3. It has a transfer corona discharger 6 and a fixing device 17.
さて第１図において、上部本体21を開くには、原稿台を
左端に寄せてから上部本体21を開放する。上部本体21に
は、前述の短焦点小径レンズアレイ４と蛍光灯11及び反
射笠22、プロセスカートリッジ８、及びレジスト上ロー
ラ紙ガイド24が設けられている。この状態でプロセスカ
ートリッジ８は第１図の手前方向に抜き出されて、交換
可能となると共に上部本体21と下部本体19との間の開口
25よりジャム処理を行う事ができる。本実施例において
は、レジストローラ23及びガイド24も上部本体21に設け
てあるので紙搬送路が開放され、ジャム処理が容易に行
える構成となっている。Now, in FIG. 1, to open the upper main body 21, the original table is moved to the left end and then the upper main body 21 is opened. The upper body 21 is provided with the short-focus small-diameter lens array 4, the fluorescent lamp 11, the reflection shade 22, the process cartridge 8, and the resist upper roller paper guide 24. In this state, the process cartridge 8 is pulled out toward the front side in FIG. 1 to be replaceable, and the opening between the upper body 21 and the lower body 19 is opened.
Jam can be processed from 25. In this embodiment, since the registration roller 23 and the guide 24 are also provided in the upper main body 21, the paper conveying path is opened, and the jam processing can be easily performed.
以上述べた構成にすることにより上部本体21に原稿台10
や駆動手段を設ける必要がなくなり、上部本体21の重量
が軽減される。そのため、上部本体21を上方へ開放する
ためのトーションバー等の付勢手段を軽くすることがで
き、上部本体21の剛性を小さくすることができるため上
部本体21の合成樹脂化が可能となる。With the configuration described above, the document table 10 is attached to the upper main body 21.
It is not necessary to provide a drive means or a drive means, and the weight of the upper main body 21 is reduced. Therefore, the biasing means such as a torsion bar for opening the upper body 21 upward can be lightened, and the rigidity of the upper body 21 can be reduced, so that the upper body 21 can be made of synthetic resin.
このようにして上部本体21を合成樹脂にすることによ
り、 （１）プロセスカートリッジの位置決めダボや、短焦点
結像素子アレイ等の位置決め部を一体成型できるため高
精度な位置出し方法が可能となる。In this way, the upper body 21 is made of synthetic resin. (1) Since the positioning dowel of the process cartridge and the positioning portion such as the short focus image forming element array can be integrally molded, a highly accurate positioning method is possible. .
（２）ダボ類を一体成型できるため、従来板金にカシメ
していた軸を廃止することができ、コストダウンがはか
れる。(2) Since the dowels can be integrally molded, the shaft that has been conventionally crimped to the sheet metal can be eliminated, and the cost can be reduced.
（３）絶縁部材で上部本体21を構成できるため上部本体
内の配線を廃止し、第３図に示すように導通部材261、26
2（例えば銅合金等の板金）を直接、上部本体に固設で
きさらに、上部本体にインサート同時成形も可能であ
る。(3) Since the upper body 21 can be configured with an insulating member, the wiring inside the upper body is abolished, and as shown in FIG. 3, the conducting members 26 1 , 26
2 (for example, sheet metal such as copper alloy) can be directly fixed to the upper body, and insert simultaneous molding can be performed on the upper body.
このようにすることにより、配線の手間をなくし組立の
合理化、自動組対応も可能である。By doing so, wiring work can be eliminated, assembly can be rationalized, and automatic assembly can be performed.
なお、以上のモールド成型材料としては、ノリル（商品
名）やABS、およびそれらのガラス繊維強化材を用いる
ことができる。As the above molding material, Noryl (trade name), ABS, and their glass fiber reinforcing materials can be used.
このように、本実施例によれば、プロセスカートリッジ
装着部と光学手段の支持手段とを一体モールド成型した
ことによって、さらには上部本体を一体モールド成型し
たことによって、軽量化、高精度の位置出し、部品点数
削減によるコストダウンを実現し、さらに、自動組立対
応も可能という効果が得られる。As described above, according to the present embodiment, the process cartridge mounting portion and the supporting means of the optical means are integrally molded, and further, the upper body is integrally molded. The cost can be reduced by reducing the number of parts, and the automatic assembly can be supported.
前述実施例によれば、プロセスカートリッジ装着部と光
学手段の支持手段とを一体モールド成型したことによっ
て、高精度の位置出し、部品点数の削減を実現した画像
形成装置を提供することができる。According to the above-described embodiment, by integrally molding the process cartridge mounting portion and the supporting means of the optical means, it is possible to provide an image forming apparatus that realizes highly accurate positioning and reduces the number of parts.
以上説明した通り、本発明は、原稿台を第１筐体に設け
て、第２筐体にかかる重量負担を軽減したうえで、プロ
セスカートリッジを装着する第２筐体を一体モールド成
形して、位置精度の向上を図り画像品質の向上を実現し
た画像形成装置を提供するものである。そのうえで本発
明は、第２筐体を第１筐体の内部に位置する内部位置と
第１筐体の外側へ突出した外部位置との間を回動可能に
構成したから、外部位置でプロセスカートリッジの交換
をすることによってプロセスカートリッジの交換操作性
の向上を実現し、さらに内部位置ではプロセスカートリ
ッジを充分に保護することを実現した画像形成装置を提
供するものである。As described above, according to the present invention, the manuscript table is provided in the first housing to reduce the weight burden on the second housing, and the second housing for mounting the process cartridge is integrally molded, An image forming apparatus that improves position accuracy and improves image quality. In addition, according to the present invention, since the second housing is configured to be rotatable between the inner position located inside the first housing and the outer position protruding to the outside of the first housing, the process cartridge can be rotated at the outer position. The present invention provides an image forming apparatus in which the operability of the process cartridge is improved by exchanging the process cartridge, and the process cartridge is sufficiently protected at the internal position.
第１図は本発明を適用した電子写真複写装置の上部本体
を開いた状態を示す側断面図、 第２図は本発明を適用した電子写真複写装置の上部本体
を閉じた状態を示す本体側断面図、 第３図は本発明における上部本体内の配線を廃止し、導
通部材で上部本体に固設した状態を示す部分概略斜視図
である。 １……装置 ２……感光ドラム ３……コロナ放電器 ４……短焦点光学素子アレイ ５……現像器 ６……転写コロナ放電器 ７……クリーニング装置 ８……筐体 91、92……ガイドレール 10……原稿台 11……蛍光灯 12……給紙トレー 13……給紙ローラ 14……タイミングローラ 16……移動器 17……定着器 18……排出ローラ 19……下部本体 20……ピン 21……上部本体 22……反射笠 23……レジストローラ 24……紙ガイド 25……開口 261・262……導通部材FIG. 1 is a side sectional view showing a state in which an upper main body of an electrophotographic copying apparatus to which the present invention is applied is opened, and FIG. 2 is a main body side in which an upper main body of an electrophotographic copying apparatus to which the present invention is applied is closed. FIG. 3 is a partial schematic perspective view showing a state in which the wiring in the upper main body in the present invention is abolished and the conductive member is fixed to the upper main body. 1 ... apparatus 2 ... photosensitive drum 3 ... corona discharger 4 ... short focus optical element array 5 ... developer 6 ... transfer corona discharger 7 ... cleaning device 8 ... cases 9 1 , 9 2 …… Guide rail 10 …… Document table 11 …… Fluorescent lamp 12 …… Paper tray 13 …… Paper feed roller 14 …… Timing roller 16 …… Transporter 17 …… Fixer 18 …… Eject roller 19 …… Bottom Main body 20 …… Pin 21 …… Upper body 22 …… Reflector shade 23 …… Registration roller 24 …… Paper guide 25 …… Opening 26 1・ 26 2 …… Conductive member
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭57−130055（ＪＰ，Ａ) 特開 昭56−165154（ＪＰ，Ａ) 特開 昭58−143355（ＪＰ，Ａ) 特開 昭61−62059（ＪＰ，Ａ) ─────────────────────────────────────────────────── ─── Continuation of the front page (56) Reference JP-A-57-130055 (JP, A) JP-A-56-165154 (JP, A) JP-A-58-143355 (JP, A) JP-A 61- 62059 (JP, A)
Claims (6)
セス手段とを有するプロセスカートリッジを着脱可能で
あって、記録媒体に画像を形成する画像形成装置におい
て、 第１筐体と、 前記第１筐体の上面に沿って往復移動可能な原稿台と、 前記プロセスカートリッジを装着可能なプロセスカート
リッジ装着部と、前記装着部に装着されたプロセスカー
トリッジの有する像担持体に画像露光を行うための光学
手段を装着する光学手段装着部とを有して一体モールド
成形された、前記第１筐体の内部に位置する内部位置と
前記第１筐体の外側へ突出した外部位置との間を回動可
能な第２筐体と、 を有することを特徴とする画像形成装置。1. An image forming apparatus for forming an image on a recording medium, wherein a process cartridge having an image carrier and process means acting on the image carrier is detachable, and a first housing, In order to perform image exposure on a document table that can be reciprocally moved along the upper surface of the first housing, a process cartridge mounting portion in which the process cartridge can be mounted, and an image carrier included in the process cartridge mounted in the mounting portion. Between an internal position located inside the first housing and an external position projecting outside the first housing, which is integrally molded with an optical means mounting portion for mounting the optical means. An image forming apparatus comprising: a rotatable second housing;
線として導通部材を前記第２筐体に直接固設する特許請
求の範囲第（１）項に記載の画像形成装置。2. The image forming apparatus according to claim 1, wherein the second housing is made of an insulating member, and a conductive member as an electric wire is directly fixed to the second housing.
る特許請求の範囲第（１）項に記載の画像形成装置。3. The image forming apparatus according to claim 1, wherein the optical means is a short focus optical element array.
の範囲第（１）項に記載の画像形成装置。4. The image forming apparatus according to claim 1, wherein the process means is a charger.
求の範囲第（１）項に記載の画像形成装置。5. The image forming apparatus according to claim 1, wherein the process means is a developing means.
る特許請求の範囲第（１）項に記載の画像形成装置。6. The image forming apparatus according to claim 1, wherein the process means is a cleaning means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61147423A JPH0682238B2 (en) | 1986-06-24 | 1986-06-24 | Image forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61147423A JPH0682238B2 (en) | 1986-06-24 | 1986-06-24 | Image forming device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS634254A JPS634254A (en) | 1988-01-09 |
| JPH0682238B2 true JPH0682238B2 (en) | 1994-10-19 |
Family
ID=15429976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61147423A Expired - Lifetime JPH0682238B2 (en) | 1986-06-24 | 1986-06-24 | Image forming device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0682238B2 (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56165154A (en) * | 1980-05-23 | 1981-12-18 | Minolta Camera Co Ltd | Electrophotographic copying machine |
| US4335950A (en) * | 1980-12-24 | 1982-06-22 | Xerox Corporation | Frame assembly with upper and lower frame members for automatic reproducing apparatus |
| JPS58143355A (en) * | 1982-02-19 | 1983-08-25 | Matsushita Electric Ind Co Ltd | Electrophotographic copying machine |
| US4563078A (en) * | 1984-08-31 | 1986-01-07 | Xerox Corporation | Electrostatographic apparatus frame with plural alternative mounting elements |
-
1986
- 1986-06-24 JP JP61147423A patent/JPH0682238B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS634254A (en) | 1988-01-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |