JPH0194373A - Separating device - Google Patents
Separating deviceInfo
- Publication number
- JPH0194373A JPH0194373A JP25284487A JP25284487A JPH0194373A JP H0194373 A JPH0194373 A JP H0194373A JP 25284487 A JP25284487 A JP 25284487A JP 25284487 A JP25284487 A JP 25284487A JP H0194373 A JPH0194373 A JP H0194373A
- Authority
- JP
- Japan
- Prior art keywords
- claw
- peeling
- tip
- contact
- heating roller
- 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
- 210000000078 claw Anatomy 0.000 claims abstract description 81
- 239000013013 elastic material Substances 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 description 27
- 239000000463 material Substances 0.000 description 6
- 239000004734 Polyphenylene sulfide Substances 0.000 description 4
- 229920000069 polyphenylene sulfide Polymers 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 108091008695 photoreceptors Proteins 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/20—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
- G03G15/2003—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat
- G03G15/2014—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat
- G03G15/2017—Structural details of the fixing unit in general, e.g. cooling means, heat shielding means
- G03G15/2028—Structural details of the fixing unit in general, e.g. cooling means, heat shielding means with means for handling the copy material in the fixing nip, e.g. introduction guides, stripping means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fixing For Electrophotography (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
- Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
Abstract
Description
【発明の詳細な説明】
［発明の目的］
（産業上の利用分野）
本発明は、たとえば電子複写機、電子プリンタ等の画像
形成装置に適用される剥離装置に係わり、特に定着ロー
ラ、感光体ドラム等の回転体に剥離爪を接触させて前記
回転体に巻き付いたシートを剥離する剥離装置の改良に
関する。[Detailed Description of the Invention] [Object of the Invention] (Industrial Application Field) The present invention relates to a peeling device applied to image forming apparatuses such as electronic copying machines and electronic printers, and particularly relates to a peeling device that is applied to image forming apparatuses such as electronic copying machines and electronic printers, and in particular, to The present invention relates to an improvement in a peeling device that peels off a sheet wrapped around a rotating body such as a drum by bringing a peeling claw into contact with the rotating body.
（従来の技術）
電子複写機、電子プリンタ等の画像形成装置の定着装置
の１つとして第８図に示すように、互いに転接する定着
ローラとしての加熱ローラａと加圧ローラｂとを備え、
図示しない前工程で転写されたシートＣ上の現像剤像（
トナー像）ｄを熱と圧力により定着するものがある。(Prior Art) As one of the fixing devices of an image forming apparatus such as an electronic copying machine or an electronic printer, as shown in FIG.
Developer image on sheet C transferred in a previous process (not shown)
Some toner images) are fixed by heat and pressure.
この方式の定着装置ｅは、小型の構成でありながら良好
な定着が行われるといった特長を有する反面、加熱ロー
ラａにシートｃが密着して巻き付き易く、このため、加
熱ローラａに剥離爪ｆ・・・を接触させた剥離装置ｇを
定着装置ｅに組込み、加熱ローラａに巻き付いたシート
Ｃを強制的に剥離するようにしている。This type of fixing device e has the advantage of being able to perform good fixing despite its compact configuration. However, on the other hand, the sheet c adheres closely to the heating roller a and is likely to be wrapped around it. A peeling device g that is in contact with the heating roller a is installed in the fixing device e, and the sheet C wound around the heating roller a is forcibly peeled off.
従来、この種剥離装置ｇは、剥離爪ｆ・・・をその取付
部ｍに形成されたスリ割りを金属製支持軸ｉに嵌入させ
ることにより回動自在に支持させるとともに、一端部を
定着装置フレームにのばね受部ｌに連結させた引張りば
ねｊの他端部をこの剥離爪ｆに連結させることにより、
剥離爪ｆの爪部ｎを加熱ローラａに接触させる構成とな
っている。Conventionally, in this type of peeling device g, a peeling claw f... is supported rotatably by fitting a slit formed in its mounting portion m into a metal support shaft i, and one end is attached to a fixing device. By connecting the other end of the tension spring j connected to the spring receiver l on the frame to this peeling claw f,
The structure is such that the claw part n of the peeling claw f is brought into contact with the heating roller a.
（発明が解決しようとする問題点）
このように、従来の剥離装置の構成は、剥離爪ｆの爪部
ｍを加熱ローラａに接触させるために、剥離爪ｆを回動
自在に支持する支持軸ｉ、引張りばねｊ、および支持軸
ｉを取付けるための取付用締結部材など多くの部品を必
要とし、組立に時間がかかるとともにコストが高くなる
。また、金属製の長尺の支持軸ｉを必要とし軽量化の障
害となるといった問題があった。(Problems to be Solved by the Invention) As described above, the configuration of the conventional peeling device is such that in order to bring the claw portion m of the peeling claw f into contact with the heating roller a, the peeling claw f is supported rotatably. Many parts such as the shaft i, the tension spring j, and the mounting fastening member for mounting the support shaft i are required, which increases the time and cost for assembly. Further, there is a problem in that a long metal support shaft i is required, which becomes an obstacle to weight reduction.
本発明は、上記事情に基づきなされたもので、その目的
とするところは、部品点数の低減および組立工数の低減
が図れ、組立性の向上および軽量化とコストダウンが可
能な構成でありながら、しかも、定着ローラ、感光体ド
ラム等の回転体に巻付くシートを確実に剥離し得るよう
にした剥離装置を提供しようとするものである。The present invention has been made based on the above-mentioned circumstances, and its purpose is to reduce the number of parts and assembly man-hours, improve assembly efficiency, reduce weight, and reduce cost. Moreover, it is an object of the present invention to provide a peeling device that can reliably peel off a sheet wrapped around a rotating body such as a fixing roller or a photosensitive drum.
〔発明の構成コ
（問題点を解決するための手段）
本発明は、上記問題点を解決するために、回転体に剥離
爪を接触させて回転体に巻き付いたシートを剥離する剥
離装置において、上記剥離爪が、弾性を有する単一材料
で成形された爪支持部および先端爪部を有し、前記爪支
持部自身が有する弾性力で前記先端爪部を回転体に接触
させるようにした構成としたものである。[Configuration of the Invention (Means for Solving the Problems)] In order to solve the above problems, the present invention provides a peeling device that peels off a sheet wrapped around a rotating body by bringing a peeling claw into contact with a rotating body. The peeling claw has a claw support part and a tip claw part formed of a single elastic material, and the tip claw part is brought into contact with the rotating body by the elastic force of the claw support part itself. That is.
（作用）
すなわち、本発明は、上記の構成とすることにより、剥
離爪自身が有する弾性力で先端爪部を回転体に接触させ
ることができ、従来のような支持軸や引張りばね、およ
び支持軸を取付けるための取付用締結部材などが不要と
なり、組立性の向上および装置の軽量化とコストダウン
が可能となる。(Function) That is, by having the above-mentioned configuration, the tip claw portion of the present invention can be brought into contact with the rotary body using the elastic force of the peeling claw itself, and it is possible to use the support shaft, tension spring, and support There is no need for a fastening member for attaching the shaft, making it possible to improve assembly efficiency and reduce the weight and cost of the device.
（実施例）
以下、本発明の一実施例を第１図ないし第３図を参照し
て説明する。(Example) An example of the present invention will be described below with reference to FIGS. 1 to 3.
第１図は、本発明の剥離装置１および排出手段２を組込
んだ定着装置３の全体構成を示す。FIG. 1 shows the overall configuration of a fixing device 3 incorporating a peeling device 1 and a discharge means 2 of the present invention.
定着装置３は、互いに転接する定着ローラ対としての加
熱ローラ４と加圧ローラ５を有した構成となっており、
図示しない駆動力伝達系を介してそれぞれ図示矢印で示
す方向に回転駆動されるようになっている。The fixing device 3 has a heating roller 4 and a pressure roller 5 as a pair of fixing rollers that roll into contact with each other.
They are rotated in the directions indicated by the arrows in the figure through a drive force transmission system (not shown).
前記加熱ローラ４には、図示しない温度制御手段により
点灯制御されるヒーターランプ６が内蔵されていて表面
温度が所定の温度になるようにコントロールされており
、また、加圧ローラ５は図示しない押付は手段により加
熱ローラ４に対して所定の圧力で押付けられる構成とな
っている。The heating roller 4 has a built-in heater lamp 6 whose lighting is controlled by a temperature control means (not shown), and whose surface temperature is controlled to a predetermined temperature. is configured to be pressed against the heating roller 4 with a predetermined pressure by means.
また、加熱ローラ４と加圧ローラ５は、下部フレーム７
ａおよび上部フレーム７ｂで構成された定着装置本体７
によって囲繞された状態となっており、この定着装置本
体７内のシート入口側にはシートＳの下面（非画像形成
面）側をガイドして加熱ローラ４と加圧ローラ５との接
触部に案内するガイド板８が、また、シート出口側には
前記排出手段２として互いに転接する状態に下部排出ロ
ーラ２ａと上部排出ローラ２ｂとが配置された状態とな
っている。Further, the heating roller 4 and the pressure roller 5 are connected to the lower frame 7.
a and an upper frame 7b.
The lower surface (non-image forming surface) of the sheet S is guided to the contact area between the heating roller 4 and the pressure roller 5 on the sheet entrance side of the fixing device main body 7. A guide plate 8 guides the sheet, and a lower discharge roller 2a and an upper discharge roller 2b are arranged as the discharge means 2 on the sheet exit side in rolling contact with each other.
さらに、上部排出ローラ２ｂと前記加熱ローラ４との間
には、加熱ローラ４に巻き付いたシートＳを強制的に剥
離する本発明の剥離装置１が設けられている。Furthermore, between the upper discharge roller 2b and the heating roller 4, there is provided a peeling device 1 of the present invention that forcibly peels off the sheet S wound around the heating roller 4.
なお、第１図に示す９は、加熱ローラ４の表面に付着し
た現像剤（トナー）を清掃するクリーニングブレードで
ある。Note that 9 shown in FIG. 1 is a cleaning blade that cleans the developer (toner) adhering to the surface of the heating roller 4. As shown in FIG.
前記剥離装置１は、剥離爪被取付部材１８を兼用する前
記上部フレーム７ｂの水平面部に複数個の剥離爪１０・
・・を加熱ローラ４の軸方向に沿っである間隔を有する
状態に取付けた構成となっている。The peeling device 1 has a plurality of peeling claws 10 on the horizontal surface portion of the upper frame 7b which also serves as a peeling claw attached member 18.
... are attached at a certain interval along the axial direction of the heating roller 4.
剥離爪１０は、第２図および第３図に示すように、弾性
を有する単一材料で爪支持部１１および先端爪部１２．
およびワンタッチ式取付部１３を有する状態に一体成形
され、前記爪支持部１１自身が有する弾性力で前記先端
爪部１２をシートＳが巻付き易い回転体としての加熱ロ
ーラ４に接触させる構成となっている。As shown in FIGS. 2 and 3, the peeling claw 10 is made of a single elastic material and includes a claw support portion 11, a distal claw portion 12.
and a one-touch attachment part 13, and the elastic force of the claw support part 11 itself brings the tip claw part 12 into contact with the heating roller 4, which is a rotating body around which the sheet S can easily be wound. ing.
剥離爪１０の材質としては、爪支持部１１が十分に柔軟
性を有して先端爪部１２が一定の圧力で加熱ローラ４に
接触し得る状態を確保でき、かつ、先端爪部１２の耐摩
耗性が十分維持できて長期に亙って剥離機能が損われな
いような合成樹脂材料、あとえば、ＰＰＳ （ポリフェ
ニレン サルファイド）のみ、ＰＰＳに四フッ化エチレ
ンを混合したもの、ＰＰＳのみのものの表面に四フッ化
エチレンコーティングしたもの等から選定する。The material of the peeling claw 10 is such that the claw support portion 11 has sufficient flexibility to ensure that the tip claw portion 12 can contact the heating roller 4 with a constant pressure, and the material has sufficient flexibility to ensure that the tip claw portion 12 has sufficient flexibility. Synthetic resin materials that can maintain sufficient abrasion resistance and maintain their peeling function over a long period of time, such as PPS (polyphenylene sulfide) alone, PPS mixed with tetrafluoroethylene, and surfaces made of PPS alone. Select from those coated with tetrafluoroethylene.
また、前記爪支持部１１は、水平に延出するとともに先
端側が徐々に幅狭となる舌片状に形成されており、その
先端側には上面が斜めにカットされたくさび状の前記先
端爪部１２が形成されている。Further, the claw support portion 11 is formed in the shape of a tongue that extends horizontally and becomes gradually narrower at the tip side, and the wedge-shaped tip claw whose upper surface is cut obliquely is provided on the tip side. A portion 12 is formed.
また、前記ワンタッチ式取付部１３は、水平部分１３ａ
と、この水平部分１３ａの上面側に互いに平行状態で立
設する一対の鈎付取付脚１３ｂ。Further, the one-touch mounting portion 13 has a horizontal portion 13a.
A pair of hooked mounting legs 13b stand parallel to each other on the upper surface side of the horizontal portion 13a.
１３ｂと、これら鈎付取付脚１３ｂ、１３ｂ間に突設さ
れた支持脚１３ｃとからなる。13b, and a supporting leg 13c protruding between these hooked mounting legs 13b.
そして、第２図に詳図するように、剥離爪被取付部材１
８を兼用する上部フレーム７ｂに形成された２つ一組の
取付孔１５．１５に鈎付取付脚１３ｂ、１３ｂの先端部
を貫通させ、その先端鉤部１３ｄ、１３ｄを前記取付孔
１５．１５の開口縁部に係止させるとともに、支持脚１
３ｃの先端を上部フレーム７ｂの取付孔１５．１５間に
位置する下面に当接させることにより取付けられている
。As shown in detail in FIG. 2, the member 1 to which the peeling claw is attached
The tips of the hooked mounting legs 13b, 13b are passed through a set of two mounting holes 15.15 formed in the upper frame 7b, which also serves as the 8. At the same time, the support leg 1
It is attached by bringing the tip of 3c into contact with the lower surface located between the attachment holes 15 and 15 of the upper frame 7b.
このように取付けられた剥離爪１０は、前記先端鉤部１
３ｄ、１３ｄの前記取付孔１５．１５の開口縁部に対す
る係止作用と、上部フレーム７ｂの取付孔１５．１５間
に位置する下面への支持脚１３ｃの先端当接作用により
、上下方向の動きが規制される。また、加熱ローラ４に
対して接離する方向（第２図の矢印Ｘ方向）、および、
それと直交する方向（第２図の矢印ｙ方向）の動きは、
鈎付取付脚１３ｂ、１３ｂの側端面と取付孔１５゜１５
の開口端面との当接により規制されるようになっている
。The peeling claw 10 attached in this way is attached to the tip hook portion 1.
3d and 13d to the opening edges of the mounting holes 15.15, and the distal end of the support leg 13c contacts the lower surface located between the mounting holes 15.15 of the upper frame 7b, resulting in vertical movement. is regulated. Also, the direction of approaching and separating from the heating roller 4 (direction of arrow X in FIG. 2), and
Movement in the direction perpendicular to this (arrow y direction in Figure 2) is
Hooked mounting legs 13b, side end surfaces of 13b and mounting holes 15°15
It is regulated by contact with the opening end surface of.
また、鈎付取付脚１３ｂ、］、３ｂは、材料自身がもつ
柔軟性によって第３図の矢印で示すように互いに内方に
変形可能であり、しかも、その先端鉤部１３ｄ、１３ｄ
の上面は傾斜面部１６．１６となっている。Further, the hooked mounting legs 13b, ], 3b can be deformed inwardly as shown by the arrows in FIG. 3 due to the flexibility of the material itself, and the tip hook portions 13d,
The upper surface thereof is an inclined surface portion 16.16.
したがって、剥離爪１０の取付けに当たっては鈎付取付
脚１３ｂ、１３ｂの先端を取付孔１５゜１５に対向させ
て押込むだけでワンタッチで取付けられるものである。Therefore, when attaching the peeling claw 10, the tip of the hooked mounting legs 13b, 13b can be mounted in one-touch by simply pushing the ends of the hooked mounting legs 13b to face the mounting holes 15.degree.
すなわち、鈎付取付脚１３ｂ、１３ｂの先端を取付孔１
５．１５に対向させて押込むと、前記傾斜面部１６．１
６の働きにより鈎付取付脚１３ｂ、１３ｂが互いに内方
に変形してその先端鉤部１３ｄ、１３ｄが取付孔１５．
１５を貫通するとともに、貫通後、前記鈎付取付脚１３
ｂ、１３ｂ自体の持つ復元力により先端鉤部１３ｄ、１
３ｄが取付孔１５．１５の開口縁部に係止した状態とな
る。That is, the tips of the hooked mounting legs 13b, 13b are connected to the mounting hole 1.
5.15 and push it in, the inclined surface part 16.1
Due to the action of 6, the hooked mounting legs 13b, 13b are deformed inwardly, and their tip hooks 13d, 13d are inserted into the mounting hole 15.6.
15, and after passing through, the hooked mounting leg 13
Due to the restoring force of b, 13b itself, the tip hook portions 13d, 1
3d is in a state where it is locked to the opening edge of the mounting hole 15.15.
このようにして、取付けられた剥離爪１０・・・は、第
１図に示すように各先端爪部１２が加熱ローラ４に接触
した状態となるとともに、このとき、爪支持部１１自身
が有する弾性力で先端爪部１２が加熱ローラ４に対して
一定の圧力で接触するようになっている。In this way, the attached peeling claws 10 are brought into a state in which each tip claw portion 12 is in contact with the heating roller 4 as shown in FIG. The tip claw portion 12 is brought into contact with the heating roller 4 with a constant pressure due to the elastic force.
しかして、加熱ローラ４と加圧ローラ５との接触部を通
る定着動作に伴って加熱ローラ４の周面に巻付いたシー
トＳは、加熱ローラ４に弾性的に接触する剥離爪１０・
・・のくさび状の各先端爪部１２によって加熱ローラ４
から剥離されるとともに、第１図の一点鎖線矢印で示す
ように剥離爪１０・・・の下面によって排出ローラ２ａ
、２ｂ側に案内されることになる。As a result, the sheet S wrapped around the circumferential surface of the heating roller 4 due to the fixing operation passing through the contact area between the heating roller 4 and the pressure roller 5 is removed by the peeling claw 10 that elastically contacts the heating roller 4.
The heating roller 4 is
At the same time, as shown by the dot-dash line arrow in FIG. 1, the lower surface of the peeling claw 10...
, will be guided to the 2b side.
このとき、剥離爪１０・・・は、それぞれ爪支持部１１
自身が有する弾性力で先端爪部１２が加熱ローラ４に対
して一定の圧力で接触するようになっているため、安定
した剥離動作が行なえることになる。At this time, the peeling claws 10... each have a claw support portion 11.
Since the tip claw portion 12 is brought into contact with the heating roller 4 with a constant pressure due to its own elastic force, a stable peeling operation can be performed.
また、剥離爪１０の交換時など、剥離爪１０を取外す必
要が生じた場合には、鈎付取付脚１３ｂ１１３ｂの先端
鉤部１３ａ、１３ｂを内方に変位させて取付孔１５．１
５の開口縁部に対向する位置から外した後、押下げるこ
とにより容易に取外せる。なお、剥離爪１０の取付けに
当たっては、前述したように鈎付取付脚１３ａ、１３ａ
の先端を取付孔１５．１５に対向させて押込むだけでワ
ンタッチで取付けられるものである。In addition, when it becomes necessary to remove the peeling claw 10 such as when replacing the peeling claw 10, the tip hooks 13a and 13b of the hooked mounting legs 13b113b are displaced inward and the mounting hole 15.
After removing it from the position facing the opening edge of No. 5, it can be easily removed by pressing down. In addition, when attaching the peeling claw 10, the hooked mounting legs 13a, 13a are used as described above.
It can be installed with a single touch by simply pushing the tip of the holder into the mounting hole 15.15.
なお、本発明は上記一実施例に限るものでない。Note that the present invention is not limited to the above embodiment.
たとえば、剥離爪１０の材質が肉厚の場合に弾性を有し
難いものである場合には、第４図および第５図に示すよ
うに爪支持部１１の部分の厚みｔを薄くした薄板状爪支
持部１１′を備えた構成としても良く、また、第６図お
よび第７図に示すように適当な弾性が生じる径ｄを有す
る棒状爪支持部１１′を備えた構成としても良い。要は
、先端爪部１２を加熱ローラ４に一定の圧力で接触させ
ることができればどのような構成であっても良い。For example, if the material of the peeling claw 10 is thick and difficult to have elasticity, a thin plate-like material with a thinner thickness t of the claw support portion 11 as shown in FIGS. 4 and 5 may be used. The structure may include a claw support part 11', or a bar-shaped claw support part 11' having a diameter d that provides appropriate elasticity as shown in FIGS. 6 and 7 may be used. In short, any configuration may be used as long as the tip claw portion 12 can be brought into contact with the heating roller 4 with a constant pressure.
また、本発明の剥離装置を、定着装置の加熱ローラに巻
付くシートの剥離に適用した例について説明したが、こ
れに限らず、たとえば感光体ドラムなどの他の回転体に
巻付くシートを剥離する場合に適用してもよいことは勿
論である。Further, although an example has been described in which the peeling device of the present invention is applied to peeling off a sheet wrapped around a heating roller of a fixing device, the present invention is not limited to this, and for example, it can peel off a sheet wrapped around another rotating body such as a photoreceptor drum. Of course, it may be applied when
その他、本発明は要旨を変えない範囲で種々変形実施可
能なことは勿論である。In addition, it goes without saying that the present invention can be modified in various ways without departing from the gist thereof.
なお、上述の他の実施例（第４図〜第７図）の説明にお
いて、前述の一実施例と同一部分は同一の符号を付して
詳細な説明を省略する。In addition, in the description of the other embodiments (FIGS. 4 to 7) described above, the same parts as those of the above-mentioned embodiment are given the same reference numerals, and detailed description thereof will be omitted.
「発明の効果」
以上説明したように、本発明によれば、剥離爪自身が有
する弾性力で先端爪部を回転体に接触させることができ
、従来のような支持軸や引張りばね、および支持軸を取
付けるための取付用締結部材などが不要となり、組立性
の向上および装置の軽量化とコストダウンが可能となる
剥離装置を提供できるといった効゛果を奏する。"Effects of the Invention" As explained above, according to the present invention, the distal end claw can be brought into contact with the rotating body by the elastic force of the peeling claw itself, and the support shaft, tension spring, and support This eliminates the need for a mounting fastening member for attaching the shaft, and has the effect of providing a peeling device that can improve assembly and reduce the weight and cost of the device.
第１図ないし第３図は本発明の一実施例を示し、第１図
は定着装置に組込んだ状態を示す該路内断面図、第２図
は剥離爪の取付状態を示す概略的斜視図、第３図は剥離
爪の斜視図、第４図および第５図は本発明の第１の他の
実施例を示すもので、第４図は剥離爪の取付状態を示す
概略的斜視、図、第５図は剥離爪の斜視図、第６図およ
び第７図は本発明の第２の他の実施例を示すもので、第
６図は剥離爪の取付状態を示す概略的斜視図、第７図は
剥離爪の斜視図、第８図は従来例を定着装置に組込んだ
状態を示す該路内断面図である。
１・・・剥離装置、４・・・回転体（加熱ローラ）、１
０・・・剥離爪、１１．１１’ １１’・・・爪支持
部、１２・・・先端爪部。
出願人代理人 弁理士 鈴江武彦
第１図
第２図
」
第３図
第５図
第６図
第７図
第８図1 to 3 show an embodiment of the present invention, FIG. 1 is a sectional view of the inside of the path showing a state in which it is incorporated into a fixing device, and FIG. 2 is a schematic perspective view showing a state in which a peeling claw is attached. 3 is a perspective view of the peeling claw, FIGS. 4 and 5 show the first other embodiment of the present invention, and FIG. 4 is a schematic perspective view showing the attached state of the peeling claw. Figure 5 is a perspective view of the peeling claw, Figures 6 and 7 show a second other embodiment of the present invention, and Figure 6 is a schematic perspective view showing the attached state of the peeling claw. , FIG. 7 is a perspective view of the peeling claw, and FIG. 8 is a sectional view of the inside of the fixing device, showing a conventional example installed in the fixing device. 1... Peeling device, 4... Rotating body (heating roller), 1
0...Peeling claw, 11.11'11'...Claw support part, 12...Tip claw part. Applicant's Representative Patent Attorney Takehiko Suzue Figure 1 Figure 2 Figure 3 Figure 5 Figure 6 Figure 7 Figure 8
Claims (3)
シートを剥離する剥離装置において、上記剥離爪が、弾
性を有する単一材料で成形された爪支持部および先端爪
部を有し、前記爪支持部自身が有する弾性力で前記先端
爪部を回転体に接触させるようにした構成であることを
特徴とする剥離装置。(1) A peeling device that peels off a sheet wrapped around a rotating body by bringing a peeling claw into contact with the rotating body, wherein the peeling claw has a claw support part and a tip claw part molded from a single elastic material. . A peeling device characterized in that the distal claw portion is brought into contact with a rotating body by the elastic force of the claw supporting portion itself.
許請求の範囲第１項記載の剥離装置。(2) The peeling device according to claim 1, wherein the claw support portion has a thin plate shape.
求の範囲第１項記載の剥離装置。(3) The peeling device according to claim 1, wherein the claw support portion is rod-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25284487A JPH0194373A (en) | 1987-10-07 | 1987-10-07 | Separating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25284487A JPH0194373A (en) | 1987-10-07 | 1987-10-07 | Separating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0194373A true JPH0194373A (en) | 1989-04-13 |
Family
ID=17242970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25284487A Pending JPH0194373A (en) | 1987-10-07 | 1987-10-07 | Separating device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0194373A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5181076A (en) * | 1990-03-06 | 1993-01-19 | Asahi Kogaku Kogyo Kabushiki Kaisha | Jam prevention mechanism |
-
1987
- 1987-10-07 JP JP25284487A patent/JPH0194373A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5181076A (en) * | 1990-03-06 | 1993-01-19 | Asahi Kogaku Kogyo Kabushiki Kaisha | Jam prevention mechanism |
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