JPH046076U - - Google Patents
Info
- Publication number
- JPH046076U JPH046076U JP4643490U JP4643490U JPH046076U JP H046076 U JPH046076 U JP H046076U JP 4643490 U JP4643490 U JP 4643490U JP 4643490 U JP4643490 U JP 4643490U JP H046076 U JPH046076 U JP H046076U
- Authority
- JP
- Japan
- Prior art keywords
- roller
- blade
- fixing
- pressing member
- cleaning device
- 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
Links
- 238000004140 cleaning Methods 0.000 claims description 7
Landscapes
- Fixing For Electrophotography (AREA)
Description
第１図は本考案を適用したクリーニング装置を
備えた熱ローラ定着装置の実施例の構成を示す断
面図、第２図はそのクリーニングブレード先端近
傍の拡大断面図、第３図はそのクリーニング装置
の作用を説明するためのクリーニングブレードの
平面図、第４図は従来の熱ローラ定着装置の一例
の構成を示す断面図である。
１……熱源、２……定着ローラ、３……加圧ロ
ーラ、９……クリーニングブレード、１０……押
圧部材、１１……ホルダ（保持部材）、１２……
堆積トナー。
FIG. 1 is a sectional view showing the configuration of an embodiment of a heat roller fixing device equipped with a cleaning device to which the present invention is applied, FIG. 2 is an enlarged sectional view of the vicinity of the tip of the cleaning blade, and FIG. FIG. 4 is a plan view of the cleaning blade for explaining the operation, and a sectional view showing the configuration of an example of a conventional heat roller fixing device. DESCRIPTION OF SYMBOLS 1... Heat source, 2... Fixing roller, 3... Pressure roller, 9... Cleaning blade, 10... Pressing member, 11... Holder (holding member), 12...
Accumulated toner.
Claims (1)
定の方向に回転可能な定着ローラと、転写紙経路
を挟んでこれに圧接し回転する加圧ローラと、基
部を定着ユニツトに固定された保持部材に保持さ
れローラへの接触面の反対面を保持部材に固定さ
れた押圧部材により押圧され先端部が上記の２つ
のローラの少くとも一方に接触し該ローラに付着
したトナーを除去するブレードとを有する定着装
置のクリーニング装置において、 上記押圧部材の上記ブレードを押圧する部分の
先端位置がブレードの先端近傍であることを特徴
とする定着装置。 (2) 上記ブレードのローラに対する喰込み量が
所定の値を保持する如く、上記保持部材及び押圧
部材が定着ユニツトに対して固定されていること
を特徴とする請求項１に記載のクリーニング装置
。 (3) 上記押圧部材は熱伝導率が高い材料で作ら
れ、かつ熱容量が大きいことを特徴とする請求項
１に記載のクリーニング装置。[Scope of Claim for Utility Model Registration] (1) A fixing roller that has a built-in heat source, is rotatable in a predetermined direction and is rotatable in a predetermined direction, and a pressure roller that rotates while being in pressure contact with the fixing roller across the transfer paper path, The base portion is held by a holding member fixed to the fixing unit, the surface opposite to the surface in contact with the roller is pressed by a pressing member fixed to the holding member, and the tip portion contacts at least one of the two rollers. A cleaning device for a fixing device having a blade for removing toner adhering to the fixing device, wherein a tip end position of a portion of the pressing member that presses the blade is near the tip of the blade. (2) The cleaning device according to claim 1, wherein the holding member and the pressing member are fixed to the fixing unit so that the amount of biting of the blade into the roller is maintained at a predetermined value. (3) The cleaning device according to claim 1, wherein the pressing member is made of a material with high thermal conductivity and has a large heat capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990046434U JP2548815Y2 (en) | 1990-04-27 | 1990-04-27 | Fixing device cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990046434U JP2548815Y2 (en) | 1990-04-27 | 1990-04-27 | Fixing device cleaning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH046076U true JPH046076U (en) | 1992-01-21 |
| JP2548815Y2 JP2548815Y2 (en) | 1997-09-24 |
Family
ID=31561513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990046434U Expired - Fee Related JP2548815Y2 (en) | 1990-04-27 | 1990-04-27 | Fixing device cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2548815Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54131946A (en) * | 1978-04-03 | 1979-10-13 | Ibm | Device for cleaning backup roller |
| JPS57186000A (en) * | 1981-02-16 | 1982-11-16 | Yuuropa Film Ab | Electrodepositing apparatus |
-
1990
- 1990-04-27 JP JP1990046434U patent/JP2548815Y2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54131946A (en) * | 1978-04-03 | 1979-10-13 | Ibm | Device for cleaning backup roller |
| JPS57186000A (en) * | 1981-02-16 | 1982-11-16 | Yuuropa Film Ab | Electrodepositing apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2548815Y2 (en) | 1997-09-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |