JPS643862U - - Google Patents
Info
- Publication number
- JPS643862U JPS643862U JP9410987U JP9410987U JPS643862U JP S643862 U JPS643862 U JP S643862U JP 9410987 U JP9410987 U JP 9410987U JP 9410987 U JP9410987 U JP 9410987U JP S643862 U JPS643862 U JP S643862U
- Authority
- JP
- Japan
- Prior art keywords
- fixing roller
- temperature
- belt
- held
- 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.)
- Pending
Links
- 238000004140 cleaning Methods 0.000 claims description 7
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Fixing For Electrophotography (AREA)
Description
第１図は定着装置の断面図、第２，３図はウエ
ブローラのホルダを示す側面図である。
１，２…ケーシング、３…定着上ローラ、４…
ヒータ、５…定着下ローラ、９…分離爪、１４…
温度検出装置、１６…温度検出素子、２０…クリ
ーニング装置、２１…送りローラ、２２…巻取ロ
ーラ、２３…ウエブローラ、２４…ペーパーウエ
ブ、２５…ホルダ、２６…スプリング。
FIG. 1 is a sectional view of the fixing device, and FIGS. 2 and 3 are side views showing the holder of the web roller. 1, 2...Casing, 3...Upper fixing roller, 4...
Heater, 5...lower fixing roller, 9...separation claw, 14...
Temperature detection device, 16...Temperature detection element, 20...Cleaning device, 21...Feed roller, 22...Take-up roller, 23...Web roller, 24...Paper web, 25...Holder, 26...Spring.
Claims (1)
外周部に押し付け、前記定着ローラの外周部を清
掃する定着装置におけるクリーニング装置におい
て、前記ウエブローラを、前記定着ローラが定着
制御温度より低く、かつ、トナー軟化温度よりも
高い所定の設定温度以下の状態で、前記帯状清掃
部材を前記定着ローラと非接触状態に保持し、前
記定着ローラが前記設定温度以上の状態で、前記
帯状清掃部材を前記ウエブローラにより前記定着
ローラに押し付けるように変態する形状記憶合金
で形成したホルダで保持したことを特徴とするク
リーニング装置。 In a cleaning device of a fixing device that cleans the outer circumferential portion of the fixing roller by pressing a belt-shaped cleaning member against the outer circumference of the fixing roller with a web roller, The belt-shaped cleaning member is held in a non-contact state with the fixing roller when the temperature is below a predetermined temperature higher than the softening temperature, and the belt-shaped cleaning member is held in a state where the temperature of the fixing roller is higher than the preset temperature. A cleaning device, characterized in that the cleaning device is held by a holder made of a shape memory alloy that transforms so as to be pressed against the fixing roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9410987U JPS643862U (en) | 1987-06-17 | 1987-06-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9410987U JPS643862U (en) | 1987-06-17 | 1987-06-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS643862U true JPS643862U (en) | 1989-01-11 |
Family
ID=31318604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9410987U Pending JPS643862U (en) | 1987-06-17 | 1987-06-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS643862U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06175520A (en) * | 1992-12-04 | 1994-06-24 | Canon Inc | Image heating device and forming device |
-
1987
- 1987-06-17 JP JP9410987U patent/JPS643862U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06175520A (en) * | 1992-12-04 | 1994-06-24 | Canon Inc | Image heating device and forming device |