JPH10161506A - Cover opening/closing mechanism for image forming device - Google Patents
Cover opening/closing mechanism for image forming deviceInfo
- Publication number
- JPH10161506A JPH10161506A JP8318973A JP31897396A JPH10161506A JP H10161506 A JPH10161506 A JP H10161506A JP 8318973 A JP8318973 A JP 8318973A JP 31897396 A JP31897396 A JP 31897396A JP H10161506 A JPH10161506 A JP H10161506A
- Authority
- JP
- Japan
- Prior art keywords
- cover
- image forming
- opening
- forming apparatus
- projecting member
- 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
Landscapes
- Paper Feeding For Electrophotography (AREA)
- Electrophotography Configuration And Component (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は画像形成装置、例え
ば複写機のカバー開閉機構に関し、詳しくは用紙搬送路
内に残置された用紙の除去作業に適したカバー開閉機構
に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cover opening / closing mechanism of an image forming apparatus, for example, a copying machine, and more particularly to a cover opening / closing mechanism suitable for removing a sheet left in a sheet conveying path.
【0002】[0002]
【従来の技術】給紙トレイを装填してなる複写機やプリ
ンタ等の画像形成装置には、給紙トレイの用紙繰出位置
に対応して画像形成装置の側壁に開閉可能なカバーが取
り付けられている。このカバーは画像形成装置内に形成
される用紙搬送路内で用紙づまりが発生した際に、つま
った用紙を除去するために開けられる。2. Description of the Related Art An image forming apparatus such as a copying machine or a printer in which a paper feed tray is loaded has an openable / closable cover attached to a side wall of the image forming apparatus corresponding to a paper feeding position of the paper feed tray. I have. The cover is opened to remove a jammed sheet when a sheet jam occurs in a sheet conveyance path formed in the image forming apparatus.
【0003】従来より、このつまった用紙の除去作業を
容易に除去するための工夫がされている。例えば、実開
昭64−14757号公報に開示されている用紙案内部
材とカバー(公報では扉と称している)とをリンク手段
により連結し、カバーの開放と連動して用紙案内部材が
開放されるものや、実開昭64−18040号公報に開
示されている一つの用紙搬送路(公報では給紙路と称し
ている)を開放すると他の用紙搬送路も開放される連動
開放手段を設けたものがある。[0003] Conventionally, measures have been devised to easily remove the jammed sheet. For example, a paper guide member disclosed in Japanese Utility Model Laid-Open Publication No. 64-14757 and a cover (referred to as a door in the publication) are connected by link means, and the paper guide member is opened in conjunction with opening of the cover. And an interlocking opening means for opening one sheet conveying path (referred to as a sheet feeding path in the publication) disclosed in Japanese Utility Model Laid-Open Publication No. 64-18040 to open another sheet conveying path. There are things.
【0004】しかしながら、上記考案は用紙案内部材を
開放したり、他の用紙搬送路を開放したりするものであ
り、後述する突出部材については何ら考慮したものでは
なかった。つまり、実際の画像形成装置はカバーの上方
に手差しトレイや排出トレイ等の突出部材があり、この
突出部材はつまった用紙を上方から視認するのを妨げて
いる。また、この突出部材はつまった用紙を除去する際
に作業の邪魔にもなっている。[0004] However, the above-mentioned device opens a sheet guide member or opens another sheet conveying path, and does not consider a projecting member described later at all. That is, an actual image forming apparatus has a projecting member such as a manual feed tray or a discharge tray above the cover, and this projecting member prevents the jammed sheet from being viewed from above. The projecting member also hinders the work when removing the jammed sheet.
【0005】[0005]
【発明が解決しようとする課題】本発明は、つまった用
紙の除去作業の際、カバーの上方にある突出部材のため
に視認性や作業性が悪くなることを解消できるカバーの
開閉機構を提供することを目的としている。SUMMARY OF THE INVENTION The present invention provides a cover opening / closing mechanism which can prevent the visibility and workability from being deteriorated due to the protruding member located above the cover when removing jammed paper. It is intended to be.
【0006】[0006]
【課題を解決するための手段】上記課題を解決するため
本発明はその構成を以下のようにした。すなわち、画像
形成装置の側壁にカバーが開閉可能に配設され、前記カ
バーの上方で前記側壁に突出部材が突出された画像形成
装置のカバー開閉機構において、前記カバーを開くこと
に連動して前記突出部材は突出状態から解除されること
とした。また、前記カバーと前記突出部材の間には前記
カバーの開き動作に連動して前記突出部材を突出状態か
ら解除するための連動機構が形成されていることとし
た。さらに、前記突出部材は開閉可能に配設され、前記
連動機構は前記カバーを開くことにより前記突出部材を
閉じる働きをすることとした。さらにまた、前記連動機
構はリンク機構からなることとした。In order to solve the above problems, the present invention has the following structure. That is, in a cover opening / closing mechanism of the image forming apparatus in which a cover is provided to be openable and closable on a side wall of the image forming apparatus, and a protruding member is protruded from the side wall above the cover, the cover interlocks with opening the cover. The projecting member is released from the projecting state. Further, an interlocking mechanism for releasing the protruding member from the protruding state in interlock with the opening operation of the cover is formed between the cover and the protruding member. Further, the projecting member is disposed so as to be openable and closable, and the interlocking mechanism functions to close the projecting member by opening the cover. Furthermore, the interlocking mechanism comprises a link mechanism.
【0007】[0007]
【発明の実施の形態】本発明の実施形態を図面を参照し
て説明する。図1は本発明のカバー開閉機構を備えた画
像形成装置を示す図である。Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a view showing an image forming apparatus provided with a cover opening / closing mechanism of the present invention.
【0008】図例のように、画像形成装置1には給紙ト
レイ2が装填されている。給紙トレイ2の用紙繰出位置
に対応した画像形成装置1の側壁にはカバー3が開閉可
能に設けられている。このカバー3は画像形成装置1内
に形成される用紙搬送路内で用紙づまりが発生した際
に、つまった用紙を除去するために開けられる。このカ
バー3の上方には突出部材4が開閉可能に設けられてい
る。この突出部材4は用紙搬送路の設定の仕方により、
手差しトレイである場合や排出トレイである場合があ
る。画像形成装置1は通常、図1(A)に示すように、
カバー3が閉じられていて、突出部材4が開いた状態に
なっている。As shown in the figure, a paper feed tray 2 is loaded in the image forming apparatus 1. A cover 3 is provided on the side wall of the image forming apparatus 1 corresponding to the sheet feeding position of the sheet feed tray 2 so as to be openable and closable. The cover 3 is opened to remove a jammed sheet when a sheet jam occurs in a sheet conveyance path formed in the image forming apparatus 1. A projecting member 4 is provided above the cover 3 so as to be openable and closable. The protruding member 4 depends on the way of setting the paper conveyance path.
It may be a manual feed tray or a discharge tray. The image forming apparatus 1 usually includes, as shown in FIG.
The cover 3 is closed and the protruding member 4 is open.
【0009】このカバー3と突出部材4の間には、連動
機構が形成されており、この連動機構はカバー3を開く
ことにより突出部材4を閉じる働きをする。つまり、つ
まった用紙の除去作業に際しカバー3を開くと、それに
連動して突出部材4が閉じ、図1(B)の状態になる。
これにより、カバー3を開けた状態では突出部材4が閉
じて突出しなくなるので上方からの視認性がよくなる。
また、突出部材4が作業の邪魔にならないので作業性も
向上する。くわえて、カバー3と突出部材4の開閉操作
は、その一方を操作することで他方が連動するので使い
勝手がよい。An interlocking mechanism is formed between the cover 3 and the protruding member 4, and the interlocking mechanism functions to close the protruding member 4 by opening the cover 3. That is, when the cover 3 is opened in the operation of removing the jammed sheet, the projecting member 4 is closed in conjunction therewith, and the state shown in FIG.
With this, when the cover 3 is opened, the protruding member 4 closes and does not protrude, so that visibility from above is improved.
Further, since the projecting member 4 does not hinder the work, the workability is improved. In addition, the opening / closing operation of the cover 3 and the protruding member 4 is convenient because one of them is operated to operate the other.
【0010】つぎに、この連動機構の具体的な手段とし
てのリンク機構について説明する。図2は連動機構をな
すリンク機構の例を示す図である。図2(A)はカバー
3が閉じ、突出部材4が開いた状態を示している。カバ
ー3は第1の固定支点51を中心に開閉可能となってい
る。この第1の固定支点51から上方へ所定の距離をも
った位置に第1の可動支点53が形成されている。この
第1の固定支点51から第1の可動支点53までの距離
が第1のレバー52となる。また、第1の可動支点53
には連接棒54の一端が回動可能に固定されている。Next, a link mechanism as a specific means of the interlocking mechanism will be described. FIG. 2 is a diagram illustrating an example of a link mechanism that forms an interlocking mechanism. FIG. 2A shows a state where the cover 3 is closed and the projecting member 4 is opened. The cover 3 can be opened and closed about the first fixed fulcrum 51. A first movable fulcrum 53 is formed at a position at a predetermined distance upward from the first fixed fulcrum 51. The distance from the first fixed fulcrum 51 to the first movable fulcrum 53 is a first lever 52. Also, the first movable fulcrum 53
, One end of a connecting rod 54 is rotatably fixed.
【0011】一方、突出部材4は第2の固定支点55を
中心に開閉可能となっている。突出部材4はその一部を
第2の固定支点55から図の右方に延長して第2のレバ
ー56を形成している。第2のレバー56の先端には第
2の可動支点57が形成されており、この第2の可動支
点57には連接棒54の他端が回動可能に固定されてい
る。On the other hand, the protruding member 4 can be opened and closed about a second fixed fulcrum 55. The projecting member 4 extends a part thereof from the second fixed fulcrum 55 to the right in the drawing to form a second lever 56. A second movable fulcrum 57 is formed at the tip of the second lever 56, and the other end of the connecting rod 54 is rotatably fixed to the second movable fulcrum 57.
【0012】上記構成のリンク機構5によれば、カバー
3を開く動作と突出部材4を閉じる動作を連動させるこ
とができる。つまり、カバー3を開くと第1のレバー5
2が回動し、連接棒54が引っ張られ、連接棒54は第
2のレバー56を回動させ、結果として突出部材4が閉
じ、図2(B)の状態になる。このとき、図2(A)の
状態から突出部材4を閉じることで第2のレバー56を
回動させ、連接棒54を押し、第1のレバー52を回動
させてカバー3を開け、図2(B)の状態にすることも
できる。According to the link mechanism 5 having the above structure, the operation of opening the cover 3 and the operation of closing the projecting member 4 can be linked. That is, when the cover 3 is opened, the first lever 5
2 rotates, the connecting rod 54 is pulled, and the connecting rod 54 rotates the second lever 56. As a result, the protruding member 4 is closed, and the state shown in FIG. At this time, by closing the protruding member 4 from the state of FIG. 2A, the second lever 56 is rotated, the connecting rod 54 is pushed, and the first lever 52 is rotated to open the cover 3, and 2 (B).
【0013】さらに、図2(B)の状態からカバー3を
閉じると第1のレバー52が回動し、連接棒54が押さ
れ、連接棒54は第2のレバー56を回動させ、結果と
して突出部材4が開き、図2(A)の状態にもどる。こ
のとき、図2(B)の状態から突出部材4を開くこと
で、第2のレバー56を回動させ、連接棒54を引っ張
り、第1のレバー52を回動させてカバー3を閉じ、図
1(A)の状態にもどすこともできる。Further, when the cover 3 is closed from the state shown in FIG. 2 (B), the first lever 52 rotates, the connecting rod 54 is pushed, and the connecting rod 54 rotates the second lever 56. As a result, As a result, the protruding member 4 opens and returns to the state of FIG. At this time, by opening the protruding member 4 from the state of FIG. 2B, the second lever 56 is rotated, the connecting rod 54 is pulled, the first lever 52 is rotated, and the cover 3 is closed. The state shown in FIG. 1A can be returned.
【0014】図3は連動機構をなすリンク機構の他の例
を示す図である。図3(A)はカバー3が閉じ、突出部
材4が開いた状態を示している。カバー3は第1の固定
支点61を中心に開閉可能となっている。カバー3はそ
の一部を第1の固定支点61から図の右方に延長して第
1のレバー62を形成している。この第1のレバー62
の先端には第1の第1の可動支点63が形成されてお
り、第1の可動支点63には連接棒64の一端が回動可
能に固定されている。FIG. 3 is a view showing another example of a link mechanism forming an interlocking mechanism. FIG. 3A shows a state in which the cover 3 is closed and the projecting member 4 is opened. The cover 3 can be opened and closed around a first fixed fulcrum 61. The cover 3 partially extends from the first fixed fulcrum 61 to the right in the drawing to form a first lever 62. This first lever 62
A first movable fulcrum 63 is formed at the tip of the connecting rod 64, and one end of a connecting rod 64 is rotatably fixed to the first movable fulcrum 63.
【0015】一方、突出部材4は第2の固定支点65を
中心に開閉可能となっている。突出部材4はその一部を
第2の固定支点65から図の下方に延長して第2のレバ
ー66を形成している。第2のレバー66の先端には第
2の可動支点67が形成されており、この第2の可動支
点67には連接棒64の他端が回動可能に固定されてい
る。On the other hand, the projecting member 4 can be opened and closed about the second fixed fulcrum 65. A part of the protruding member 4 extends downward from the second fixed fulcrum 65 in the figure to form a second lever 66. A second movable fulcrum 67 is formed at the tip of the second lever 66, and the other end of the connecting rod 64 is rotatably fixed to the second movable fulcrum 67.
【0016】上記構成のリンク機構6も、カバー3を開
く動作と突出部材4を閉じる動作を連動させることがで
きる。つまり、カバー3を開くと第1のレバー62が回
動し、連接棒64が押され、連接棒64は第2のレバー
66を回動させ、結果として突出部材4が閉じ、図2
(B)の状態になる。このとき、図2(A)の状態から
突出部材4を閉じることで第2のレバー66を回動さ
せ、連接棒64を引っ張り、第1のレバー62を回動さ
せてカバー3を開け、図2(B)の状態にすることもで
きる。The link mechanism 6 having the above-described structure can also link the operation of opening the cover 3 and the operation of closing the projecting member 4. That is, when the cover 3 is opened, the first lever 62 rotates, the connecting rod 64 is pushed, and the connecting rod 64 rotates the second lever 66. As a result, the projecting member 4 closes, and FIG.
The state shown in FIG. At this time, by closing the protruding member 4 from the state of FIG. 2A, the second lever 66 is rotated, the connecting rod 64 is pulled, and the first lever 62 is rotated to open the cover 3, and FIG. 2 (B).
【0017】さらに、図2(B)の状態からカバー3を
閉じると第1のレバー62が回動し、連接棒64が引っ
張られ、連接棒64は第2のレバー66を回動させ、結
果として突出部材4が開き、図2(A)の状態にもど
る。このとき、図2(B)の状態から突出部材4を開く
ことで、第2のレバー66を回動させ、連接棒64を押
し、第1のレバー62を回動させてカバー3を閉じ、図
1(A)の状態にもどすこともできる。Further, when the cover 3 is closed from the state shown in FIG. 2B, the first lever 62 rotates, the connecting rod 64 is pulled, and the connecting rod 64 rotates the second lever 66. As a result, As a result, the protruding member 4 opens and returns to the state of FIG. At this time, by opening the protruding member 4 from the state of FIG. 2B, the second lever 66 is rotated, the connecting rod 64 is pushed, the first lever 62 is rotated, and the cover 3 is closed. The state shown in FIG. 1A can be returned.
【0018】なお、本発明は上記のリンク機構5、6を
用いて突出部材4を開閉するものに限定されるものでは
ない。すなわち、カバー3を開くことに連動して突出部
材4が突出状態から解除されるカバー開閉機構であれば
よい。したがって、突出部材4を突出状態から解除する
機構として突出部材4を画像形成装置1の中へ引っ込め
る機構を設けてもよい。It should be noted that the present invention is not limited to the one in which the projecting member 4 is opened and closed using the above-mentioned link mechanisms 5 and 6. That is, any cover opening / closing mechanism that releases the projecting member 4 from the projecting state in conjunction with opening the cover 3 may be used. Therefore, a mechanism for retracting the projecting member 4 into the image forming apparatus 1 may be provided as a mechanism for releasing the projecting member 4 from the projecting state.
【0019】また、本発明のカバー開閉機構は突出部材
4、すなわち手差しトレイ等が画像形成装置1に直付け
されるものに限定されることなく、画像形成装置1に差
し込まれる形態のものでも適用できる。この場合は連動
機構をカバー3と手差しトレイ等が差し込まれるトレイ
ガイドとの間に形成すればよい。The cover opening / closing mechanism of the present invention is not limited to the one in which the protruding member 4, that is, the manual feed tray or the like, is directly attached to the image forming apparatus 1, but may be applied to the one in which the projecting member 4 is inserted into the image forming apparatus 1. it can. In this case, an interlocking mechanism may be formed between the cover 3 and a tray guide into which a manual tray or the like is inserted.
【0020】[0020]
【発明の効果】以上説明してきたように本発明はカバー
を開くことに連動して突出部材が突出状態から解除され
ることとした。このため、カバーを開けた状態では突出
部材が突出しないので上方からの視認性がよくなる。ま
た、突出部材が作業の邪魔にならないので作業性も向上
する。くわえて、カバーと突出部材の動作が連動するの
で使い勝手がよい。As described above, in the present invention, the projecting member is released from the projecting state in conjunction with opening the cover. Therefore, when the cover is opened, the protruding member does not protrude, so that visibility from above is improved. Further, since the projecting member does not hinder the work, the workability is improved. In addition, the operation of the cover and the protruding member is interlocked, so that the usability is good.
【図1】 本発明のカバー開閉機構を備えた画像形成装
置を示す図である。FIG. 1 is a diagram illustrating an image forming apparatus provided with a cover opening / closing mechanism of the present invention.
【図2】 本発明の連動機構をなすリンク機構の例を示
す図である。FIG. 2 is a diagram showing an example of a link mechanism forming an interlocking mechanism of the present invention.
【図3】 本発明の連動機構をなすリンク機構の他の例
を示す図である。FIG. 3 is a diagram showing another example of a link mechanism forming an interlocking mechanism of the present invention.
1 画像形成装置 3 カバー 4 突出部材 5、6 リンク機構 DESCRIPTION OF SYMBOLS 1 Image forming apparatus 3 Cover 4 Projecting member 5, 6 Link mechanism
Claims (4)
に配設され、前記カバーの上方で前記側壁に突出部材が
突出された画像形成装置のカバー開閉機構において、 前記カバーを開くことに連動して前記突出部材は突出状
態から解除されることを特徴とする画像形成装置のカバ
ー開閉機構。1. A cover opening / closing mechanism for an image forming apparatus, wherein a cover is provided on a side wall of the image forming apparatus so as to be openable and closable, and a projecting member projects from the side wall above the cover. And a cover opening / closing mechanism for the image forming apparatus, wherein the projecting member is released from the projecting state.
カバーの開き動作に連動して前記突出部材を突出状態か
ら解除するための連動機構が形成されていることを特徴
とする請求項1記載の画像形成装置のカバー開閉機構。2. An interlocking mechanism between the cover and the projecting member for releasing the projecting member from the projecting state in interlocking with the opening operation of the cover. A cover opening and closing mechanism for the image forming apparatus according to any one of the preceding claims.
材を閉じる働きをすることを特徴とする請求項2記載の
画像形成装置のカバー開閉機構。3. The cover opening and closing of the image forming apparatus according to claim 2, wherein the projecting member is provided so as to be openable and closable, and the interlocking mechanism functions to close the projecting member by opening the cover. mechanism.
を特徴とする請求項3記載の画像形成装置のカバー開閉
機構。4. The cover opening / closing mechanism for an image forming apparatus according to claim 3, wherein said interlocking mechanism comprises a link mechanism.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8318973A JPH10161506A (en) | 1996-11-29 | 1996-11-29 | Cover opening/closing mechanism for image forming device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8318973A JPH10161506A (en) | 1996-11-29 | 1996-11-29 | Cover opening/closing mechanism for image forming device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH10161506A true JPH10161506A (en) | 1998-06-19 |
Family
ID=18105069
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8318973A Pending JPH10161506A (en) | 1996-11-29 | 1996-11-29 | Cover opening/closing mechanism for image forming device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH10161506A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007127779A (en) * | 2005-11-02 | 2007-05-24 | Kyocera Mita Corp | Image forming device |
-
1996
- 1996-11-29 JP JP8318973A patent/JPH10161506A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007127779A (en) * | 2005-11-02 | 2007-05-24 | Kyocera Mita Corp | Image forming device |
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