JPS63191174A - image forming device - Google Patents
image forming deviceInfo
- Publication number
- JPS63191174A JPS63191174A JP2415087A JP2415087A JPS63191174A JP S63191174 A JPS63191174 A JP S63191174A JP 2415087 A JP2415087 A JP 2415087A JP 2415087 A JP2415087 A JP 2415087A JP S63191174 A JPS63191174 A JP S63191174A
- Authority
- JP
- Japan
- Prior art keywords
- roller
- image forming
- fixing
- shutter
- 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.)
- Pending
Links
Landscapes
- Fixing For Electrophotography (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔概要〕
この発明は熱定着機構を具備した画像形成装置において
、用紙搬送時に発生した障害を除去するため、上本体を
開状態にした場合に、高温になった定着熱ローラが露出
し、危険であることを防止するために、定着熱ローラに
可動的なシャッタを設け、上本体が開状態の時にシャッ
タが定着熱ローラを覆うように構成する。[Detailed Description of the Invention] [Summary] This invention is an image forming apparatus equipped with a heat fixing mechanism, in order to eliminate troubles that occur during sheet conveyance. In order to prevent the heat roller from being exposed and causing danger, the heat fixing roller is provided with a movable shutter so that the shutter covers the heat fixing roller when the upper body is in the open state.
この発明は画像形成装置、特に用紙に画像を熱定着する
熱定着ローラを具備する画像形成装置に関するものであ
る。The present invention relates to an image forming apparatus, and particularly to an image forming apparatus equipped with a heat fixing roller for thermally fixing an image onto paper.
最近の画像形成装置、例えばレーザプリンタ装置等は、
用紙上に形成されたトナー像を熱定着して画像を形成す
る熱定着方式が広く用いられている。この画像形成装置
で用紙搬送中に障害が発生すると、用紙走行部で分割さ
れるように装置を開き、障害除去作業が安全、且つ容易
に行える画像形成装置が必要とされている。Recent image forming devices, such as laser printer devices,
2. Description of the Related Art A thermal fixing method in which an image is formed by thermally fixing a toner image formed on a sheet of paper is widely used. There is a need for an image forming apparatus that, when a failure occurs during paper transport in this image forming apparatus, can open the apparatus so as to be divided at the paper transport section and remove the failure safely and easily.
第３図は従来の画像形成装置の要部側面図であり、熱定
着ローラ７０に対する安全性と操作性を考慮して、装置
本体を用紙走行部６で上下本体２−１゜１−１に２分割
すると共に、熱定着ローラ７ｏを下本体１−１に設け、
この熱定着ローラ７０に用紙８を圧接する加圧ローラ４
０を覆うカバー４０−１を付設し熱定着ローラ７０が露
出されないよう構成されている。FIG. 3 is a side view of the main parts of a conventional image forming apparatus. Considering the safety and operability of the heat fixing roller 70, the main body of the apparatus is connected to the upper and lower main bodies 2-1° 1-1 by the paper running section 6. It is divided into two parts, and a heat fixing roller 7o is provided on the lower body 1-1.
Pressure roller 4 that presses paper 8 against this heat fixing roller 70
A cover 40-1 is attached to cover the heat fixing roller 70 so that the heat fixing roller 70 is not exposed.
上記した従来の画像形成装置は、用紙走行部にカバーが
構成されているため、障害除去作業が困難にであるばか
りでなく、若しカバー下で用紙に障害が発生すると、そ
の除去に困難であると云う問題があり、これに対処する
ため、カバーをリフトアップする機構を必要とし、装置
の複雑化と装置価格も高価となると云う問題がある。In the above-mentioned conventional image forming apparatus, a cover is constructed on the paper running section, which not only makes it difficult to remove obstacles, but also makes it difficult to remove if an obstacle occurs in the paper under the cover. In order to solve this problem, a mechanism for lifting up the cover is required, which makes the device complicated and expensive.
この発明は、上記した従来の状況から、簡易な構造で操
作性及び安全性の優れた画像形成装置を提供することを
目的とするものである。SUMMARY OF THE INVENTION In view of the above-mentioned conventional situation, it is an object of the present invention to provide an image forming apparatus having a simple structure and excellent operability and safety.
〔問題点を解決するための手段〕
この発明では、第１図に示すように、装置本体を上下本
体２．１に分割し、支軸９の回りに上本体２を開閉自在
に構成しである。この下本体１に加圧ローラ４、上本体
２に定着熱ローラ７を設けである。この定着熱ローラに
シャッタ５を可動的に支持する支持板１０を設け、この
支持板１０の中で摺動するシャッタ５を設けている。こ
のシャ・ツタ５を定着熱ローラの上で開閉するために、
シャッタ５の一端にローラ５−１ と、下本体１にカム
板３が設けである。[Means for Solving the Problems] In the present invention, as shown in FIG. be. The lower body 1 is provided with a pressure roller 4, and the upper body 2 is provided with a fixing heat roller 7. A support plate 10 for movably supporting the shutter 5 is provided on the fixing heat roller, and the shutter 5 is provided to slide inside the support plate 10. In order to open and close this shutter 5 on the fixing heat roller,
A roller 5-1 is provided at one end of the shutter 5, and a cam plate 3 is provided on the lower body 1.
この発明では、上本体２を開くと、シャッタ５はスプリ
ング５−２によって自動的に矢印方向に摺動し、定着熱
ローラ７を遮蔽し、上本体２を閉じるとカム板３によっ
てシャッタ５が自動的に矢印と反対方向に移動し、漸次
シャッタ５を開き定着熱ヒータ７を露出させ、支障なく
定着が可能になる状態となる。In this invention, when the upper body 2 is opened, the shutter 5 is automatically slid in the direction of the arrow by the spring 5-2 to shield the fixing heat roller 7, and when the upper body 2 is closed, the shutter 5 is moved by the cam plate 3. It automatically moves in the direction opposite to the arrow, gradually opens the shutter 5 and exposes the fixing heater 7, so that fixing can be performed without any trouble.
従って、安全性と操作性の向上が図れる。Therefore, safety and operability can be improved.
第１図は本発明による画像作成装置の一実施例の要部模
式図であり、第２図は本発明の要部を拡大した模式斜視
図である。なお、第３図と同一箇所は同符号を用い、そ
の説明を省略する。FIG. 1 is a schematic diagram of a main part of an embodiment of an image creating apparatus according to the present invention, and FIG. 2 is a schematic perspective view of an enlarged main part of the present invention. Note that the same parts as in FIG. 3 are denoted by the same reference numerals, and the explanation thereof will be omitted.
第２図に示すように、障害発生等によって上本体２が開
かれると、ローラ５−１はスプリング５−２によってカ
ム板３の曲線部Ａに沿って矢印Ｂ方向に移動する。従っ
て、ローラ５−１が取り付けられたシャッタ５は、支持
板１０に沿って矢印Ｂ方向に摺動し、定着熱ローラ７を
図に示すように覆い、定着熱ローラフの露出部を無くす
る。従って、障害処理作業中は安全であるとともに、用
紙走行部には何等障害物がなく処理操作が容易に行われ
る。As shown in FIG. 2, when the upper body 2 is opened due to the occurrence of a failure or the like, the roller 5-1 is moved in the direction of the arrow B along the curved portion A of the cam plate 3 by the spring 5-2. Therefore, the shutter 5 to which the roller 5-1 is attached slides along the support plate 10 in the direction of arrow B, and covers the fixing heat roller 7 as shown in the figure, eliminating the exposed portion of the fixing heat roller rough. Therefore, it is safe during the troubleshooting operation, and there are no obstacles in the paper traveling section, so the troubleshooting operation can be easily performed.
障害処理等が終了し、この画像形成装置を運用する場合
には、上本体２を矢印Ｃ方向に移動して上本体を閉じる
と、ローラ５−１はカム板３の曲線部Ａに沿ってスプリ
ング５−２に抗して矢印Ｂと逆方向に移動する。従って
、シャッタ５は、漸次摺動して定着熱ローラ７を露出し
、定着熱ローラ７を通常の使用状態にする。When the image forming apparatus is operated after troubleshooting is completed, the upper body 2 is moved in the direction of arrow C to close the upper body, and the roller 5-1 is moved along the curved portion A of the cam plate 3. It moves in the opposite direction of arrow B against the spring 5-2. Therefore, the shutter 5 gradually slides to expose the heat fixing roller 7, thereby bringing the heat fixing roller 7 into a normal use state.
以上の説明から明らかなように、この発明によれば、装
置本体が用紙走行部で２分割され、障害の修復が容易に
行える操作性のよいものとなり、障害修復時に定着熱ロ
ーラの露出部がなくなり安全面できわめて実用的に効果
を発揮する。As is clear from the above description, according to the present invention, the main body of the apparatus is divided into two parts at the paper running section, which makes it easy to repair troubles and has good operability. This is extremely effective in terms of safety.
第１図は本発明による画像作成装置の一実施例の模式図
、
第２図は本発明の要部を拡大した模式斜視図、第３図は
従来の画像形成装置の要部を示す側面図である。
図において、１は下本体、２は上本体、３はカム板、４
は加圧ローラ、５はシャンク、７は定着熱ローラを示す
。
ｉ発ａｆｉ＋＝ Ｊ５＋Ｕ＆（ｔＡ＆ｆｆｉ−−ｇｊｔ
例ｑｎＸｒｆｎ第１図FIG. 1 is a schematic diagram of an embodiment of an image forming apparatus according to the present invention, FIG. 2 is an enlarged schematic perspective view of the main parts of the present invention, and FIG. 3 is a side view showing the main parts of a conventional image forming apparatus. It is. In the figure, 1 is the lower body, 2 is the upper body, 3 is the cam plate, and 4
5 is a pressure roller, 5 is a shank, and 7 is a heat fixing roller. afi+= J5+U&(tA&ffi--gjt
Example qnXrfn Figure 1
Claims (1)
紙走行部（６）で上下に開閉自在に分離されてなる画像
形成装置において、 前記上本体（２）と下本体（１）に定着熱ローラ（７）
と、該定着熱ローラ（７）に用紙を圧接する加圧ローラ
（４）とを別々に設けると共に、前記定着熱ローラ（７
）に可動的なシャッタ（５）を付設し、 前記上本体（２）が開状態にされた際に前記シャッタ（
５）を駆動し前記定着熱ローラ（７）を覆い、上本体（
２）が閉状態にされた際に前記シャッタ（５）を駆動し
定着熱ローラ（７）を露出する手段（３、５−１、５−
２）を設けたことを特徴とする画像形成装置。[Scope of Claims] An image forming apparatus comprising a heating mechanism for fixing and in which the apparatus main body (2, 1) is separated vertically by a paper running section (6) so as to be openable and closable, comprising: the upper main body (2); and the fixing heat roller (7) on the lower body (1)
and a pressure roller (4) that presses the paper against the heat fixing roller (7).
) is provided with a movable shutter (5), and when the upper body (2) is in an open state, the shutter (
5) to cover the fixing heat roller (7), and then drive the upper body (
2) means (3, 5-1, 5-) for driving the shutter (5) and exposing the fixing heat roller (7) when
2) An image forming apparatus characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2415087A JPS63191174A (en) | 1987-02-03 | 1987-02-03 | image forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2415087A JPS63191174A (en) | 1987-02-03 | 1987-02-03 | image forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63191174A true JPS63191174A (en) | 1988-08-08 |
Family
ID=12130307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2415087A Pending JPS63191174A (en) | 1987-02-03 | 1987-02-03 | image forming device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63191174A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6080882A (en) * | 1983-10-11 | 1985-05-08 | Casio Comput Co Ltd | Image forming device |
| JPS61217083A (en) * | 1985-03-22 | 1986-09-26 | Konishiroku Photo Ind Co Ltd | Image forming device |
-
1987
- 1987-02-03 JP JP2415087A patent/JPS63191174A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6080882A (en) * | 1983-10-11 | 1985-05-08 | Casio Comput Co Ltd | Image forming device |
| JPS61217083A (en) * | 1985-03-22 | 1986-09-26 | Konishiroku Photo Ind Co Ltd | Image forming device |
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