JPS6388869U - - Google Patents
Info
- Publication number
- JPS6388869U JPS6388869U JP18308286U JP18308286U JPS6388869U JP S6388869 U JPS6388869 U JP S6388869U JP 18308286 U JP18308286 U JP 18308286U JP 18308286 U JP18308286 U JP 18308286U JP S6388869 U JPS6388869 U JP S6388869U
- Authority
- JP
- Japan
- Prior art keywords
- fixing device
- fixing roller
- capacity adjustment
- heat
- drive gear
- 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
- 230000020169 heat generation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Fixing For Electrophotography (AREA)
- Control Of Resistance Heating (AREA)
Description
第１図は本考案による改良された定着装置の縦
断面図、第２図は第１図の装置に装備されている
定着ローラの表面温度の温度分布とその時間的変
化の一例を示した図、第３図は第１図に示した本
考案装置に装備される定着ローラの変形実施例を
示す縦断面図、第４図は従来の定着装置の縦断面
図、第５図は第４図の装置に装備されている定着
ローラの表面温度分布とその時間的変化の一例を
示した図である。
１……定着ローラ、２……加圧ローラ、３，４
……軸受、５……駆動ギヤ、７……ヒータ、８…
…電極、９……軸受、１０……ケーシング、１１
……温度検知素子、１２……定着ローラ、１２ａ
……熱容量調整部、１３……ヒータ、１４……定
着ローラ、１４ａ……熱容量調整リング。
FIG. 1 is a vertical cross-sectional view of the improved fixing device according to the present invention, and FIG. 2 is a diagram showing an example of the temperature distribution of the surface temperature of the fixing roller equipped in the device of FIG. 1 and its temporal change. , FIG. 3 is a vertical cross-sectional view showing a modified embodiment of the fixing roller installed in the device of the present invention shown in FIG. 1, FIG. 4 is a vertical cross-sectional view of a conventional fixing device, and FIG. FIG. 3 is a diagram illustrating an example of the surface temperature distribution of a fixing roller installed in the apparatus and its temporal change. 1... Fixing roller, 2... Pressure roller, 3, 4
... Bearing, 5 ... Drive gear, 7 ... Heater, 8 ...
... Electrode, 9 ... Bearing, 10 ... Casing, 11
... Temperature detection element, 12 ... Fixing roller, 12a
...Heat capacity adjustment section, 13...Heater, 14...Fixing roller, 14a...Heat capacity adjustment ring.
Claims (1)
具備するとともに他端には熱容量調整部を具備し
た円筒状の定着ローラと、該定着ローラに内蔵さ
れて該定着ローラのほぼ中央部の定着域中央に関
して対称な発熱分布を形成する熱源と、を有して
いることを特徴とする定着装置。 A cylindrical fixing roller that has a gear attachment part for attaching a drive gear at one end and a heat capacity adjustment part at the other end; A fixing device comprising: a heat source that forms a symmetrical heat generation distribution with respect to the fixing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18308286U JPS6388869U (en) | 1986-11-28 | 1986-11-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18308286U JPS6388869U (en) | 1986-11-28 | 1986-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6388869U true JPS6388869U (en) | 1988-06-09 |
Family
ID=31129486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18308286U Pending JPS6388869U (en) | 1986-11-28 | 1986-11-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6388869U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5517172A (en) * | 1978-07-25 | 1980-02-06 | Canon Inc | Fixing device |
| JPS62212678A (en) * | 1986-03-14 | 1987-09-18 | Sharp Corp | Fixing device |
-
1986
- 1986-11-28 JP JP18308286U patent/JPS6388869U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5517172A (en) * | 1978-07-25 | 1980-02-06 | Canon Inc | Fixing device |
| JPS62212678A (en) * | 1986-03-14 | 1987-09-18 | Sharp Corp | Fixing device |