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JPS59224883A - Fixing device of copying machine - Google Patents

Fixing device of copying machine

Info

Publication number
JPS59224883A
JPS59224883A JP58087588A JP8758883A JPS59224883A JP S59224883 A JPS59224883 A JP S59224883A JP 58087588 A JP58087588 A JP 58087588A JP 8758883 A JP8758883 A JP 8758883A JP S59224883 A JPS59224883 A JP S59224883A
Authority
JP
Japan
Prior art keywords
roll
pressure roll
heat roll
opened
machine
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.)
Granted
Application number
JP58087588A
Other languages
Japanese (ja)
Other versions
JPH023993B2 (en
Inventor
Itaru Shimada
島田　格
Koji Hashimoto
幸二 橋本
Toru Maeda
徹 前田
Akira Kamata
鎌田　章
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujifilm Business Innovation Corp
Original Assignee
Fuji Xerox Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fuji Xerox Co Ltd filed Critical Fuji Xerox Co Ltd
Priority to JP58087588A priority Critical patent/JPS59224883A/en
Publication of JPS59224883A publication Critical patent/JPS59224883A/en
Publication of JPH023993B2 publication Critical patent/JPH023993B2/ja
Granted legal-status Critical Current

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
    • G03G21/1685—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 fixing 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
    • 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
    • G03G2221/1639—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts for the fixing 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
    • G03G2221/1687—Frame structures using opening shell type machines, e.g. pivoting assemblies

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fixing For Electrophotography (AREA)

Abstract

PURPOSE:To eliminate the possibility of a burn when a machine is opened by providing a burn preventing device which does not expose a heat roll and a pressure roll when the machine frame is opened. CONSTITUTION:The heat roll 1 is arranged at the upper side 100 of the main frame, and the pressure roll 2 is arranged at the lower side 200 of the main frame; and the burn preventing device A which does not expose the heat roll 1 and pressure roll 2 when the upper side of the main frame is opened to prevent an operator from touching the heat roll 1 or pressure roll 2. Therefore, when the machine frame is opened to remove paper jamming or perform maintenance inspection, neither the heat roll nor the pressure roll is exposed and the possibility that the operator never suffer a burn by touching them.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、電子写真複写機、特に、いわゆる鰐ロタイブ
又はシェル型と称される複写機の定着器に関するもので
ある。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an electrophotographic copying machine, and particularly to a fixing device for a so-called crocodile rotary or shell type copying machine.

〔従来技術〕[Prior art]

複写機における紙づまりの除去性や保守性を良好にする
ため（−１複写機の機械本体を２分割して開閉自在とし
、一方側にはヒートロールを、他方側にはプレッシャー
ロールな夫々配置した、いわゆる、鰐ロタイブやシェル
型と称される形式の複写機があり、ヒートロールとプレ
ッシャーロールとの間を大きく開けることにより紙づま
りの除去や保守を容易になし得るようにしたものである
。In order to improve the ease of removing paper jams and maintainability of the copying machine (-1) the machine body of the copying machine is divided into two parts, which can be opened and closed freely, and a heat roll is placed on one side and a pressure roll is placed on the other side. There are copying machines of the so-called crocodile rotary type and shell type, in which the gap between the heat roll and the pressure roll is wide open to facilitate the removal of paper jams and maintenance.

ところが、紙づまりの除去や保守作業（１際して機械を
開いた際にヒートロールやプレッシャーロールが露呈し
、人体がこれ（１触れて火傷をする危険がある。However, when removing paper jams or performing maintenance work (1), when the machine is opened, the heat roll and pressure roll are exposed, and there is a risk of burns if a person touches them.

〔発明の目的〕[Purpose of the invention]

本発明の目的は、上記した複写機の欠点を解消し、機械
を開いた際においても火傷の虞れのない複写機における
定着器を提供すること（二ある。SUMMARY OF THE INVENTION It is an object of the present invention to provide a fixing device for a copying machine that eliminates the above-mentioned drawbacks of the copying machine and does not cause any risk of burns even when the machine is opened.

〔発明の構成〕[Structure of the invention]

本発明は、機械本体が２分割されて開閉自在にな−って
おり、一方側にはヒートロールが、他方側にはプレッシ
ャーロールが、夫々配置された形式の複写機において、
機械本体を開いた際にヒートロール及びプレッシャーロ
ールが露呈しないようにした火傷防止装置を備えている
ことが特徴となっており、また、該火傷防止装置は、ヒ
ートロール及びプレッシャーロールを覆うカバーが機械
の開閉に連動して作動するように構成されていることが
含まれている。The present invention provides a copying machine in which the main body is divided into two parts that can be opened and closed, and a heat roll is placed on one side and a pressure roll is placed on the other side.
The machine is characterized by being equipped with a burn prevention device that prevents the heat roll and pressure roll from being exposed when the machine body is opened, and the burn prevention device also includes a cover that covers the heat roll and pressure roll. This includes being configured to operate in conjunction with the opening and closing of the machine.

〔実施例〕〔Example〕

本発明の実施例を図面に基づいて説明するに、第１図及
び第２図は鰐ロタイブの複写機を示す路線的断面図であ
り、第１図は閉じた状態を、第２図は開いた状態を、夫
々示しているが、機械本体は本体上側（１００）と本体
下側（２００）とに２分割されており、回転中心（３０
０）を中心として開閉するようになっている。Embodiments of the present invention will be described based on the drawings. FIGS. 1 and 2 are cross-sectional views showing Wanirotaib's copying machine, with FIG. 1 showing it in a closed state and FIG. 2 showing it in an open state. The main body of the machine is divided into two parts, the upper side (100) and the lower side (200), and the center of rotation (30
It opens and closes around 0).

図中（１）ハヒートロール、（２）はプレッシャーロー
ルであり、ヒートロール（１）は本体上側１００に配置
され、また、プレッシャーロール（２）は本体下側００
０）に配置されている。（１０１）は感光ドラム、（１
０２）は給紙ロール、（１０３）ハレジストシーション
ロール、（１０４）はペーパーガイド、（１０５）はコ
ロトロン、（１，０６）はバキュームトランスポート、
（１０７）はペーパー力セッＩ・、（１，０８）はクリ
ーナー、（１，０９）は現像器、（］、１．０）は排紙
トレイを夫々示している。In the figure, (1) is a heat roll, (2) is a pressure roll, the heat roll (1) is placed on the upper side 100 of the main body, and the pressure roll (2) is placed on the lower side 00 of the main body.
0). (101) is a photosensitive drum, (1
02) is a paper feed roll, (103) is a resist sheet roll, (104) is a paper guide, (105) is a corotron, (1,06) is a vacuum transport,
(107) indicates a paper power set I., (1,08) indicates a cleaner, (1,09) indicates a developing device, and (], 1.0) indicates a paper discharge tray, respectively.

紙づまり時の用紙の除去、或いは、保守点検に際しては
本体」−側（１００）が回転中心（８０ｏ）を中心とし
て大きく開けることができ、これにより定着器のヒート
ロール（１１とプレッシャーロール（２１とが分離され
てその間にはさまれた状態で用紙が−っまってもこれを
容易に取り除くことができるし内部の点検作業において
も至便である。When removing paper from paper jams or performing maintenance inspections, the main body's negative side (100) can be opened wide around the center of rotation (80o). Even if the paper gets stuck between the two, it can be easily removed, and it is also convenient for internal inspection work.

通常、」−記したヒートロール（１）とプレッシャーロ
ール（２）とは適度な押圧力で圧接されるようになって
いるが、その機構は第８図に示されており、プレッシャ
ーロール（２）の両端には回転中心（１８ｂ）を支点と
して揺動し得るように設けられたアーム（１３が配置さ
れていて、プレッシャーロール（２）はアーム一端の支
持部（１３ａ）で回転自在に支持されていると共にアー
ム他端にはスプリング（１４）が張設されていて適度な
テンションが与えられている。Normally, the heat roll (1) and the pressure roll (2) marked with "-" are pressed together with a moderate pressing force, and the mechanism is shown in Figure 8. ) is provided with an arm (13) that is swingable about the center of rotation (18b), and the pressure roll (2) is rotatably supported by a support (13a) at one end of the arm. At the same time, a spring (14) is provided at the other end of the arm to provide appropriate tension.

本発明においては、第４図乃至第７図に示すように、本
体」−側を開いた際にヒートロール（］）及びプレッシ
ャーロール（２）が露呈しないようにした火傷防止装置
Ａが設けられており、人体がヒートロール（１）又はプ
レッシャーロール（２）に触れないようにしである。ま
た、火傷防止装置Ａはヒートロール（１）を覆うカバー
とプレッシャーロール（２）を覆うカバーが機械本体の
開閉に連動して作動し、鰐ロヲ開くトヒートロール（１
１とプレッシャーロール（２）を適確に覆い、鰐口を閉
じると用紙走行可能なスペースが確保されるようになっ
ている。In the present invention, as shown in FIGS. 4 to 7, a burn prevention device A is provided that prevents the heat roll ( ) and the pressure roll (2) from being exposed when the "-" side of the main body is opened. This is to prevent the human body from touching the heat roll (1) or the pressure roll (2). In addition, in the burn prevention device A, a cover covering the heat roll (1) and a cover covering the pressure roll (2) are operated in conjunction with the opening and closing of the machine body, and the heat roll (1) is operated in conjunction with the opening and closing of the machine body.
1 and the pressure roll (2) and close the alligator opening, a space is secured for the paper to run.

火傷防止装置Ａについて説明すると、ヒートロール（１
）を覆うヒートロールカバー（４）は彎曲しており、そ
の後端はシャフト（７）に固定されていてシャフト（７
）を支点として回転自在に支持されている。To explain burn prevention device A, heat roll (1
) The heat roll cover (4) that covers the shaft (7) is curved, and its rear end is fixed to the shaft (7).
) is a fulcrum and is rotatably supported.

シャフト７）にはアーム（６）が固定されており、アー
ム（６）はスプリングα０により回転力が与えられてい
る。同様に、プレッシャーロール（２）を覆うプレッシ
ャーカバー（５）は彎曲しており、その後端はシャフト
（９）に固定されていてシャフト（９）を支点とじて回
転自在に支持されている。シャフト（９）にはアーム（
８）が固定されていてアーム（８）は」−記スプリング
グ（１０）よりも弱いスプリング０１）により回転力が
与えられている。なお、図中、（３）はギアである。An arm (6) is fixed to the shaft 7), and a rotational force is applied to the arm (6) by a spring α0. Similarly, the pressure cover (5) covering the pressure roll (2) is curved, and its rear end is fixed to the shaft (9) and is rotatably supported around the shaft (9) as a fulcrum. The shaft (9) has an arm (
8) is fixed, and the arm (8) is given a rotational force by a spring 01) which is weaker than the spring (10). In addition, in the figure, (3) is a gear.

第５図は鰐口な開いた状態を示す側面図であり、ヒート
ロール（１＋のヒートロールカバー（４）はアーム（６
）がスプリング（１０により引張られているのでヒート
ロールカバー（４）を覆う位置にある。同様に、プレッ
シャーロール（２）のプレッシャーカバー　（５）Ｉｔ
、　７−ム（８）がスプリング０］）により引張られて
いるのでプレッシャーロール（２）を覆う位置にある。Figure 5 is a side view showing the alligator-opened state, and the heat roll cover (4) of the heat roll (1+) is attached to the arm (6).
) is pulled by the spring (10), so it is in a position that covers the heat roll cover (4).Similarly, the pressure cover (5) of the pressure roll (2)
, 7-mu (8) is in a position covering the pressure roll (2) because it is tensioned by the spring 0]).

このため鰐口を開いても温度の高いヒートロール（１）
やプレッシャーロール（２）に直接触れないようになっ
ている。For this reason, the heat roll (1) remains hot even when the crocodile opening is open.
It is designed so that it does not touch the pressure roll (2) directly.

第６図及び第７図は鰐口を閉じて行く過程を示し、スプ
リング叫の力はスプリング０刀の力よりも大きいため鰐
口を閉じてアーム（６）がアーム（８）に当接するとア
ーム（８）が押し下げられ、これによりプレッシャーロ
ールカバー（５）も押し下けられてストッパーαつに突
き当る。更に鰐口な閉じるとアーム（８）はこれ以上押
し下けられないのでアーム（６）の方が回転し、ヒート
ロールカバー（４・）が押し上けられる。第７図は完全
に閉じた状態を示し、この状態ではヒート「ｒ−ルカバ
ー（剣の先端とプレッシャーロールカバー（５）の先端
間には用紙（０９）　（第４４図）が走イＪ可能なスペ
ースＳが確保されている。なお、ヒートロールカバー（
４す、プレッシャーロールカバー（５）の表面には、布
、フェルト等を貼着して火傷防止の効果を挙けることが
できる。Figures 6 and 7 show the process of closing the crocodile mouth, and since the force of the spring cry is greater than the force of the spring zero sword, when the crocodile mouth is closed and the arm (6) comes into contact with the arm (8), the arm ( 8) is pushed down, and thereby the pressure roll cover (5) is also pushed down and hits the stopper α. Further, when the alligator mouth is closed, the arm (8) cannot be pushed down any further, so the arm (6) rotates and the heat roll cover (4) is pushed up. Figure 7 shows the completely closed state, and in this state, the paper (09) (Figure 44) can be run between the tip of the heat roller cover (sword) and the tip of the pressure roll cover (5). A space S is secured.In addition, the heat roll cover (
4. Cloth, felt, etc. can be attached to the surface of the pressure roll cover (5) to prevent burns.

〔発明の効果〕〔Effect of the invention〕

本発明の複写機における定着器によれば、機械本体が２
分割されて開閉自在とな−っており、一方何にはヒート
ロールが、他方側にはプレッシャーロールが夫々配置さ
れた複写機において、機械本体を開いた際にヒートロー
ル及びプレッシャーロールが露呈しないようにした火傷
防止装置が設けられてい乙から、機械本体を開いて紙づ
まりの除去や保守点検の作業等をする際にヒートロール
とプレッシャーロールが露呈することはな（、人体が触
れて火傷をする危険がない。According to the fixing device in the copying machine of the present invention, the machine main body has two
In a copying machine that is divided and can be opened and closed, with a heat roll on one side and a pressure roll on the other, the heat roll and pressure roll are not exposed when the main body of the machine is opened. A burn prevention device is installed to ensure that the heat roll and pressure roll are not exposed when the machine body is opened to remove paper jams or carry out maintenance inspections, etc. There is no danger of doing so.

【図面の簡単な説明】[Brief explanation of the drawing]

図面は本発明に係る複写機（二おける定着器の実施例を
示し、第１図及び第２図は鰐ロタイブの複写機の例を示
す路線的断面図、第８図はヒートロールとプレッシャー
ロールとの圧接機構を示す斜視図、第４・図は火傷防止
装置を示す斜視図、第５図乃至第７図は火傷防止装置の
作動例を示す側面図である。 符号説明 Ａ・・・・・・火傷防止装置　　（１）・・・・・・ヒ
ートロール＋２１・・・・・・プレッシャーロール（４
，）・・・・・・ヒートロールカバー（５１・・・・・
・プレッシャーロールカバー（６］　（８）　ＣＬｊ・
・・・・・アーム　　　（７）（９１・・・・パシャフ
ト（１，０）（１１）・・・・・・スプリング　　αつ
・・・・・ストッパー（９９）・・・・・・用紙　　　
　　（１０（す・・・・・・本体上側（２００）・・・
・・・本体下側　　　（３００）・・・・・・回転中心
特許出願人　　富士ゼロックス株式会社代理人　弁理土
中村智廣 同　　〃　成瀬勝夫The drawings show an embodiment of the fixing device in a copying machine (2) according to the present invention, Figures 1 and 2 are cross-sectional views showing an example of a Wanirotaib copying machine, and Figure 8 shows a heat roll and a pressure roll. FIG. 4 is a perspective view showing the burn prevention device, and FIGS. 5 to 7 are side views showing examples of the operation of the burn prevention device. ... Burn prevention device (1) ... Heat roll + 21 ... Pressure roll (4
,)...Heat roll cover (51...
・Pressure roll cover (6) (8) CLj・
...Arm (7) (91) ...Pashaft (1,0) (11) ...Spring α...Stopper (99) ...Paper
(10 (Su...Top of main body (200)...
・・・Bottom side of main body (300)・・・Rotating center patent applicant Fuji Xerox Co., Ltd. Agent Tomohiro Nakamura Patent Attorney Katsuo Naruse

Claims (1)

【特許請求の範囲】 １　機械本体が２分割されて開閉自在とな・つており、
一方側にはヒートロールが、他方側にはプレッシャーロ
ールが夫々配置された複写機において、機械本体を開い
た際にヒートロール及びプレッシャーロールが露呈しな
いようにした火傷防止装置が設けられていることを特徴
とする定着器。 ２　火傷防止装置はヒートロール及びプレッシャーロー
ルな覆うカバーが機械本体の開閉に連動して作動するよ
うに構成されていることを特徴とする特許請求の範囲第
１項記載の定着器。[Claims] 1. The main body of the machine is divided into two parts and can be opened and closed,
A copying machine that has a heat roll on one side and a pressure roll on the other side is equipped with a burn prevention device that prevents the heat roll and pressure roll from being exposed when the machine body is opened. A fuser featuring: 2. The fixing device according to claim 1, wherein the burn prevention device is configured such that a cover covering a heat roll and a pressure roll operates in conjunction with opening and closing of the machine body.
JP58087588A 1983-05-20 1983-05-20 Fixing device of copying machine Granted JPS59224883A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58087588A JPS59224883A (en) 1983-05-20 1983-05-20 Fixing device of copying machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58087588A JPS59224883A (en) 1983-05-20 1983-05-20 Fixing device of copying machine

Publications (2)

Publication Number Publication Date
JPS59224883A true JPS59224883A (en) 1984-12-17
JPH023993B2 JPH023993B2 (en) 1990-01-25

Family

ID=13919156

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58087588A Granted JPS59224883A (en) 1983-05-20 1983-05-20 Fixing device of copying machine

Country Status (1)

Country Link
JP (1) JPS59224883A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61217083A (en) * 1985-03-22 1986-09-26 Konishiroku Photo Ind Co Ltd Image forming device
JPS62150278A (en) * 1985-12-24 1987-07-04 Canon Inc Fixing device
US5206682A (en) * 1991-08-13 1993-04-27 Tokyo Electric Co., Ltd. Image forming apparatus
US5300998A (en) * 1990-12-18 1994-04-05 Canon Kabushiki Kaisha Heating apparatus having a movable film protection member and image forming apparatus using same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61217083A (en) * 1985-03-22 1986-09-26 Konishiroku Photo Ind Co Ltd Image forming device
JPS62150278A (en) * 1985-12-24 1987-07-04 Canon Inc Fixing device
US5300998A (en) * 1990-12-18 1994-04-05 Canon Kabushiki Kaisha Heating apparatus having a movable film protection member and image forming apparatus using same
US5206682A (en) * 1991-08-13 1993-04-27 Tokyo Electric Co., Ltd. Image forming apparatus

Also Published As

Publication number Publication date
JPH023993B2 (en) 1990-01-25

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