JP2976123B2 - Image forming device - Google Patents
Image forming deviceInfo
- Publication number
- JP2976123B2 JP2976123B2 JP2102740A JP10274090A JP2976123B2 JP 2976123 B2 JP2976123 B2 JP 2976123B2 JP 2102740 A JP2102740 A JP 2102740A JP 10274090 A JP10274090 A JP 10274090A JP 2976123 B2 JP2976123 B2 JP 2976123B2
- Authority
- JP
- Japan
- Prior art keywords
- opening
- closing member
- image forming
- door
- forming apparatus
- 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
Landscapes
- Paper Feeding For Electrophotography (AREA)
- Electrophotography Configuration And Component (AREA)
- Pile Receivers (AREA)
- Facsimiles In General (AREA)
- Handling Of Cut Paper (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
- Hinges (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、画像形成装置における外装面の一部に回収
台を設けた扉の改良に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to an improvement of a door provided with a collecting stand on a part of an exterior surface of an image forming apparatus.
通常、画像形成装置はその機構部が内蔵されている筐
体の外装面の一部を扉となして上，下（または左右）に
回動させて開閉したり、或は該外装面の一部を前後に引
き出すことができるようにしている。またこの扉には排
紙皿やワーキングテーブルが設けられていて記録用紙や
原稿画面などが載置できるようになっている。そして従
来の扉の開閉機構は前記装置の下部に回動自在に扉の一
端を軸支して該扉を下方に回動させて開く方法や該装置
にスライドレールを設けて前記外装面の一部をこのレー
ルに沿って引き出す方法などによって開閉するのが一般
的である。Normally, an image forming apparatus is opened and closed by rotating up and down (or left and right) by opening and closing a part of an exterior surface of a housing in which the mechanism is built as a door, or The part can be pulled back and forth. The door is provided with a paper discharge tray and a working table so that recording paper and a document screen can be placed thereon. A conventional door opening / closing mechanism is provided at a lower portion of the device so as to rotatably support one end of the door and rotate the door downward to open the device. The part is generally opened and closed by a method of drawing out along the rail.
このようにして前記装置の外装の一部を扉にして開く
ことによって該装置に内蔵されている感光体回りの現像
装置、転写部、用紙搬送部および定着部などの機構部が
露出されるので該装置のメインテナンス時や稼働中に例
えば用紙搬送ジャムが発生したときでも該装置を分解す
ることなく直ちに点検、修復できるようになっている。By opening a part of the exterior of the apparatus as a door in this manner, the developing device, the transfer unit, the paper transporting unit, and the fixing unit around the photoconductor incorporated in the apparatus are exposed. Even when, for example, a paper conveyance jam occurs during maintenance or operation of the apparatus, the apparatus can be inspected and repaired immediately without disassembling the apparatus.
しかしながら、例えば排紙側に設けられた扉の場合、
その扉には前述したように排紙皿が取付けられているの
で仮に該装置の稼働中に紙詰まりによる搬送ジャムが発
生した場合、従来の開閉機構による扉をそのまま開くと
排紙皿に載置されている記録済みの用紙が落下してしま
う。そこで扉を開く前にいちいち前記用紙を取除くか、
前記排紙皿ごと取外してから前記扉を開くようにしてい
る。またワーキングテーブルが設けられている扉の開閉
についても載置されている原稿画像やコピー用紙が落下
しないように前述したと同様に処置されている。従って
いちいち記録用紙や用品類を取除く手間は勿論のことう
っかりして落下した場合は記録用紙の汚れや、紙折れな
どを修復したり揃えたりすることは大変な手間がかかり
煩わしい作業となっている。またこのような問題を回避
するため従来からレールによる扉の引出し方法も知られ
ているが構造が複雑でコストも非常に高いものとなって
いる。本発明はこのような問題点を解決して、扉を回動
して開閉しても載置されている記録用紙や原稿画面が不
揃いになったり、落下したりすることのない画像形成装
置の扉を提供することを課題目的とする。However, for example, in the case of a door provided on the paper discharge side,
As described above, the paper tray is attached to the door, so if a paper jam occurs due to a paper jam during operation of the device, the door by the conventional opening / closing mechanism is opened and the paper is placed on the paper tray. The recorded paper is dropped. So remove the paper before opening the door,
The door is opened after removing the entire sheet tray. The opening and closing of the door on which the working table is provided is also treated in the same manner as described above so that the placed document image or copy sheet does not drop. Therefore, if it falls inadvertently, as well as the trouble of removing the recording paper and supplies, repairing and aligning the dirt and broken paper of the recording paper is a time-consuming and troublesome operation. I have. In order to avoid such a problem, a method of pulling out a door using a rail is conventionally known, but the structure is complicated and the cost is extremely high. SUMMARY OF THE INVENTION The present invention solves such a problem, and an image forming apparatus in which a placed recording sheet and a document screen do not become irregular or fall even when the door is rotated and opened / closed. It is an object to provide a door.
この目的は、外装を形成する筐体の一部を、扉とし
て、開閉可能に設けた画像形成装置において、一端部が
前記画像形成装置に回動自在に軸支され、前記扉の一部
を構成する第１の開閉部材と、皿部材を有し、前記第１
の開閉部材の他端部に回動自在に軸支され、前記扉の一
部を構成する第２の開閉部材と、前記第２の開閉部材及
び前記画像形成装置それぞれに回動自在に軸支されたリ
ンク部材と、を有し、前記第１の開閉部材、前記第２の
開閉部材、前記リンク部材及び前記画像形成装置とで四
ツ棒リンクを構成し、前記第２の開閉部材がほぼ同じ姿
勢のまま、前記画像形成装置に対して、前記第１の開閉
部材及び前記第２の開閉部材が開閉可能であり、前記リ
ンク部材は、前記第１の開閉部材及び前記第２の開閉部
材が閉じているとき、前記画像形成装置内に位置するよ
うに構成したことを特徴とする画像形成装置によって達
成される。An object of the present invention is to provide an image forming apparatus in which a part of a housing forming an exterior is provided as a door so as to be openable and closable, and one end is rotatably supported by the image forming apparatus, and a part of the door is provided. A first opening / closing member and a dish member,
A second opening / closing member rotatably supported by the other end of the opening / closing member and constituting a part of the door; and a second shaft rotatably supported by the second opening / closing member and the image forming apparatus. And a link member, wherein the first opening / closing member, the second opening / closing member, the link member and the image forming apparatus form a four-bar link, and the second opening / closing member is substantially The first opening / closing member and the second opening / closing member can be opened / closed with respect to the image forming apparatus while maintaining the same posture, and the link member is provided with the first opening / closing member and the second opening / closing member. The image forming apparatus is configured to be located in the image forming apparatus when is closed.
本発明の一実施例を第１図の扉の開閉機構を示す側面
図によって説明する。しかし本発明は本実施例に限定さ
れるものではない。One embodiment of the present invention will be described with reference to a side view showing a door opening / closing mechanism shown in FIG. However, the present invention is not limited to this embodiment.
また、本実施例を記録用紙が排出される側に設けた扉
を例にその開閉機構の内容を説明する。図において１は
画像形成装置、２は画像形成装置の機構部、３は記録用
紙を排出する搬送ローラ対、４は画像形成装置の外装、
５は記録用紙、６は排紙皿である。そして扉の開閉機構
を構成する10は第１の開閉部材、11は第２の開閉部材、
12は画像形成装置１と第２の開閉部材とに結合するリン
ク部材、13は第２の開閉部材11とリンク部材12との回動
支軸、14はロック部材、14bは把手、15は第１の開閉部
材10と第２開閉部材11およびロック部材14との共通の回
動支軸、16はロック部材14の回動用スプリングである。Further, the contents of the opening / closing mechanism of this embodiment will be described by taking a door provided on the side where the recording paper is discharged as an example. In the figure, 1 is an image forming apparatus, 2 is a mechanism section of the image forming apparatus, 3 is a pair of conveying rollers for discharging recording paper, 4 is an exterior of the image forming apparatus,
Reference numeral 5 denotes a recording sheet, and reference numeral 6 denotes a sheet discharge tray. And 10 constituting the door opening and closing mechanism is a first opening and closing member, 11 is a second opening and closing member,
Reference numeral 12 denotes a link member connected to the image forming apparatus 1 and the second opening / closing member, 13 denotes a pivot for rotating the second opening / closing member 11 and the link member 12, 14 denotes a lock member, 14b denotes a handle, and 15 denotes a A common rotation support shaft for the first opening / closing member 10, the second opening / closing member 11, and the lock member 14, and 16 is a spring for rotating the lock member 14.
そして扉を構成する前記第１の開閉部材10の一端は前
記装置１の下端部に回動支軸10aによって回動自在に軸
支され、かつ該第１の開閉部材10の他端部には前記第２
の開閉部材11の一端が前記回動支軸15によって回動自在
に軸支して結合されている。そして前記装置１に対して
前記開閉部材10,11それぞれの閉時には前記外装４と共
に一平面を形成する外装の役割も果たしている。One end of the first opening / closing member 10 constituting the door is rotatably supported by the lower end of the device 1 by a rotation support shaft 10a, and the other end of the first opening / closing member 10 The second
One end of the opening / closing member 11 is rotatably supported by the rotation support shaft 15 and is connected thereto. When the opening / closing members 10 and 11 are closed with respect to the apparatus 1, the opening and closing members 10 and 11 also serve as an exterior that forms one plane with the exterior 4.
そして前記リンク部材12はその一端を前記第１の開閉
部材10が軸支されている前記回動支軸10aの近傍前記装
置１の側面部に回動支軸12aによって回動自在に軸支さ
れ、その他端は前記第２の開閉部材11と一体に設けた側
面リブ11aのほぼ中央部任意の位置に前記回動支軸13に
よって回動自在に軸支されている。One end of the link member 12 is rotatably supported by a rotation support shaft 12a on a side surface of the device 1 near the rotation support shaft 10a on which the first opening / closing member 10 is supported. The other end is rotatably supported by the rotation support shaft 13 at an arbitrary position substantially in the center of a side rib 11a provided integrally with the second opening / closing member 11.
また前記リンク部材12は前記第２の開閉部材11と前記
装置１との両側面、前述した位置に対称に設けられてい
る。なお、前記リンク部材12は片持ちであっても差し支
えない。The link members 12 are provided symmetrically at the above-described positions on both side surfaces of the second opening / closing member 11 and the device 1. The link member 12 may be cantilevered.
そしてこのようにして設けられた前記リンク部材12と
前記開閉部材10,11とは閉時に互にほぼ平行となるよう
に位置している。The link member 12 and the opening / closing members 10 and 11 thus provided are positioned so as to be substantially parallel to each other when closed.
そしてそれぞれの前記開閉部材10,11の開時には前記
第１の開閉部材10と前記第２の開閉部材11および前記リ
ンク部材12のそれぞれは共に矢印で示す同方向に回動す
るが前記第２の開閉部材11は前記リンク部材12と結合さ
れており、該リンク部材12に規制されて閉時の姿勢のま
まほぼ平行に下方に移動するようになっている。When the respective opening / closing members 10 and 11 are opened, the first opening / closing member 10, the second opening / closing member 11 and the link member 12 each rotate in the same direction indicated by an arrow, but the second opening / closing member 10 The opening / closing member 11 is connected to the link member 12, and is restricted by the link member 12 so as to move downward substantially in parallel with the closed state.
そして前記装置１に設けられたストッパ７と前記リン
ク部材12の下端部がつきあたってストップした位置が扉
の開き角度となっている。なおストッパ８は閉時の前記
リンク部材12のストッパとなっている。The position where the stopper 7 provided in the device 1 comes into contact with the lower end of the link member 12 and stops is the opening angle of the door. The stopper 8 serves as a stopper for the link member 12 when closed.
そしてそれぞれ前記開閉部材10,11の閉時のロック機
構は前記第１の開閉部材10と前記第２の開閉部材11とが
軸支されている前記回動支軸15と共通に嵌合される前記
ロック部材14と該ロック部材14を反時計方向に回動付勢
する前記スプリング16および前記装置１に設けられてい
るロックピン９とによって構成されている。The locking mechanism for closing the opening / closing members 10 and 11 is fitted in common with the rotation support shaft 15 on which the first opening / closing member 10 and the second opening / closing member 11 are supported. It is constituted by the lock member 14, the spring 16 for urging the lock member 14 to rotate counterclockwise, and the lock pin 9 provided in the device 1.
そして前記ロック部材14はその右端部に前記ロックピ
ン９に係合するロック爪14aを備えたアームと左端部に
把手14bとが一体的に形成された部材で該把手14b面では
前記第１の開閉部材10の上部に設けた凹部に該第１の開
閉部材10の外面とほぼ同一面となるように臨ませてあ
る。そして前記把手14bを前記スプリング16に抗して時
計方向に回動することによって前記ロック爪14aが前記
ロックピン９より外れるようになっている。The lock member 14 is a member in which an arm having a lock claw 14a for engaging with the lock pin 9 at the right end thereof and a handle 14b at the left end are integrally formed. A recess provided in the upper portion of the opening / closing member 10 is made to be substantially flush with the outer surface of the first opening / closing member 10. The lock claw 14a is disengaged from the lock pin 9 by rotating the handle 14b clockwise against the spring 16.
また前記排紙皿６は前記第２の開閉部材11に着脱自在
に取付けられていて前記装置１に配設された前記搬送ロ
ーラ対３によって排出される記録用紙５をつぎつぎに載
置し収容している。このように構成された扉の開閉機構
の作用を次に説明する。The paper discharge tray 6 is detachably attached to the second opening / closing member 11, and successively places and accommodates the recording paper 5 discharged by the pair of transport rollers 3 disposed in the apparatus 1. ing. The operation of the door opening / closing mechanism configured as described above will be described below.
今、仮に前記画像形成装置１の稼働途中で紙詰まりに
よる搬送ジャムが発生した場合、該装置１を停止したの
ち前記把手4bを手動によって時計方向に回動すると前記
ロック爪4aが前記ロックピン９より外れ、前記把手4bは
所定の位置でストップするので更に把手4bによって前記
第１の開閉部材10を前記回動支軸10aを中心に反時計方
向に回動させる。そして同時に前記第２の開閉部材11と
前記リンク部材12のそれぞれも同方向に回動して前記装
置１より離れ、前記リンク部材12の下端部と前記ストッ
パ７とによって所定の開角をもって前記開閉部材10,11
が開かれる。Now, if a conveyance jam due to a paper jam occurs during the operation of the image forming apparatus 1, if the grip 4b is manually turned clockwise after the apparatus 1 is stopped, the lock claw 4a As the handle 4b stops at a predetermined position, the handle 4b further rotates the first opening / closing member 10 counterclockwise about the rotation support shaft 10a. At the same time, each of the second opening / closing member 11 and the link member 12 also rotates in the same direction and separates from the device 1, and opens and closes at a predetermined opening angle by the lower end of the link member 12 and the stopper 7. Members 10, 11
Is opened.
この時前記第２の開閉部材11は前述したように前記リ
ンク部材12に規制されて閉時とほぼ同姿勢のまま平行に
下方向に移動されるので前記排紙皿６に載置されている
前記記録用紙５がずれたり落下したりすることがない。
従って十分開かれたスペースによって直ちに紙詰まりに
よる搬送ジャムが修復される。そして前記第２の開閉部
材11を閉ざすときも前記リンク部材12に規制されて移動
し開くときと全く同じ姿勢のまま前記第１の開閉部材10
と共に上方に移動し、前記外装４面と一致するように復
帰してロックされる。At this time, the second opening / closing member 11 is restricted by the link member 12 as described above, and is moved downward in parallel while maintaining the same posture as when closed, so that the second opening / closing member 11 is placed on the paper discharge tray 6. The recording paper 5 does not shift or drop.
Therefore, the conveyance jam due to the paper jam is immediately repaired by the sufficiently opened space. Also, when the second opening / closing member 11 is closed, the first opening / closing member 10 is kept in exactly the same posture as when it moves and opens while being restricted by the link member 12.
Together with the outer case 4 and return to be locked so as to coincide with the outer surface 4.
本発明においては、前述の実施例の如く、前記第１の
開閉部材10と第２の開閉部材11とリンク部材12と画像形
成装置１との間で四ツ棒リンクを形成し、その回動支軸
10a,15,13,12a間で必ずしも平行四辺形を形成しないで
もよいが、これが平行四辺形を形成する四ツ棒リンクに
してあれば各リンクは完全に平行運動を行い、特に支軸
10a,12a間の方向は常に固定して一定であるので、それ
に平行な第２の開閉部材およびそれに固定されている排
紙皿の方向も常に完全な一定方向に保つことが可能であ
る。In the present invention, as in the above-described embodiment, a four-bar link is formed between the first opening / closing member 10, the second opening / closing member 11, the link member 12, and the image forming apparatus 1, and the rotation thereof is performed. Spindle
It is not always necessary to form a parallelogram between 10a, 15, 13, 12a, but if this is a four-bar link that forms a parallelogram, each link performs a complete parallel motion, especially
Since the direction between 10a and 12a is always fixed and constant, the direction of the second opening / closing member parallel thereto and the direction of the paper discharge tray fixed thereto can always be kept in a completely constant direction.
本発明による扉の開閉機構によって排紙皿やワーキン
グテーブルに載置されている記録用紙や原稿画面を取除
くことなくそのまま開閉できるので該装置内に発生した
トラブルが直ちに点検、修復することができるので極め
て能率が良くなった。しかも本発明は同様な機能をもつ
従来のレールによる扉の引出し方法に比して遥かに簡易
な構造となっているのでコストの低減効果も大きい。Since the door opening / closing mechanism according to the present invention can be opened and closed without removing the recording paper or the original screen placed on the paper discharge tray or the working table, troubles occurring in the apparatus can be immediately inspected and repaired. It has become extremely efficient. In addition, the present invention has a much simpler structure than the conventional method of pulling out a door using a rail having the same function, so that the cost reduction effect is great.
第１図は本発明の一実施例による画像形成装置に設けた
扉の開閉機構を示す側面図。 １……画像形成装置、２……機構部 ４……外装、５……記録用紙 ６……排紙皿、7,8……ストッパ ９……ロックピン、10……第１の開閉部材 11……第２の開閉部材、12……リンク部材 14……ロック部材、14a……ロック爪 14b……把手 15……第２の開閉部材用回動支軸 16……スプリングFIG. 1 is a side view showing a door opening / closing mechanism provided in an image forming apparatus according to an embodiment of the present invention. DESCRIPTION OF SYMBOLS 1 ... Image forming apparatus, 2 ... Mechanical part 4 ... Exterior 5 ... Recording paper 6 ... Discharge tray, 7, 8 ... Stopper 9 ... Lock pin, 10 ... 1st opening / closing member 11 ... Second opening / closing member, 12 Link member 14 Lock member 14a Lock claw 14b Handle 15 Rotating support shaft for second opening / closing member 16 Spring
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 ＦＩ Ｇ０３Ｇ 15/00 ５３０ Ｈ０４Ｎ 1/00 １０８Ｑ Ｈ０４Ｎ 1/00 １０８ Ｂ４１Ｊ 29/12 Ａ (56)参考文献 特開 昭57−38451（ＪＰ，Ａ) 特開 昭56−81856（ＪＰ，Ａ) 特開 昭62−227257（ＪＰ，Ａ) 特開 昭62−218361（ＪＰ，Ａ) 特開 昭62−230560（ＪＰ，Ａ) 実開 平２−104356（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.6，ＤＢ名) G03G 15/00 510 - 550 G03G 21/16 - 21/18 E05D 3/06 H04N 1/00 108 B65H 31/26 ──────────────────────────────────────────────────の Continuation of front page (51) Int.Cl. 6 Identification code FI G03G 15/00 530 H04N 1/00 108Q H04N 1/00 108 B41J 29/12 A (56) References JP-A-57-38451 ( JP, A) JP-A-56-81856 (JP, A) JP-A-62-227257 (JP, A) JP-A-62-218361 (JP, A) JP-A-62-230560 (JP, A) Hei 2-104356 (JP, U) (58) Fields investigated (Int. Cl. 6 , DB name) G03G 15/00 510-550 G03G 21/16-21/18 E05D 3/06 H04N 1/00 108 B65H 31/26
Claims (1)
開閉可能に設けた画像形成装置において、 一端部が前記画像形成装置に回動自在に軸支され、前記
扉の一部を構成する第１の開閉部材と、 皿部材を有し、前記第１の開閉部材の他端部に回動自在
に軸支され、前記扉の一部を構成する第２の開閉部材
と、 前記第２の開閉部材及び前記画像形成装置それぞれに回
動自在に軸支されたリンク部材と、を有し、 前記第１の開閉部材、前記第２の開閉部材、前記リンク
部材及び前記画像形成装置とで四ツ棒リンクを構成し、
前記第２の開閉部材がほぼ同じ姿勢のまま、前記画像形
成装置に対して、前記第１の開閉部材及び前記第２の開
閉部材が開閉可能であり、 前記リンク部材は、前記第１の開閉部材及び前記第２の
開閉部材が閉じているとき、前記画像形成装置内に位置
するように構成したことを特徴とする画像形成装置。A part of a housing forming an exterior is used as a door.
An image forming apparatus provided so as to be openable and closable, the first end having a first opening and closing member rotatably supported by the image forming apparatus and constituting a part of the door; A second opening / closing member rotatably supported by the other end of the opening / closing member and constituting a part of the door; and a second shaft rotatably supported by the second opening / closing member and the image forming apparatus. And a link member, wherein the first opening / closing member, the second opening / closing member, the link member, and the image forming apparatus constitute a four-bar link,
The first opening / closing member and the second opening / closing member can be opened / closed with respect to the image forming apparatus while the second opening / closing member remains substantially in the same posture. The image forming apparatus is configured to be located in the image forming apparatus when the member and the second opening / closing member are closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2102740A JP2976123B2 (en) | 1990-04-18 | 1990-04-18 | Image forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2102740A JP2976123B2 (en) | 1990-04-18 | 1990-04-18 | Image forming device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH041660A JPH041660A (en) | 1992-01-07 |
| JP2976123B2 true JP2976123B2 (en) | 1999-11-10 |
Family
ID=14335636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2102740A Expired - Lifetime JP2976123B2 (en) | 1990-04-18 | 1990-04-18 | Image forming device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2976123B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS511967B1 (en) * | 1969-05-02 | 1976-01-22 |
-
1990
- 1990-04-18 JP JP2102740A patent/JP2976123B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH041660A (en) | 1992-01-07 |
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