JPH0467664U - - Google Patents
Info
- Publication number
- JPH0467664U JPH0467664U JP11148690U JP11148690U JPH0467664U JP H0467664 U JPH0467664 U JP H0467664U JP 11148690 U JP11148690 U JP 11148690U JP 11148690 U JP11148690 U JP 11148690U JP H0467664 U JPH0467664 U JP H0467664U
- Authority
- JP
- Japan
- Prior art keywords
- heating roller
- temperature
- heating
- roller
- recording paper
- 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
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 2
- 239000000155 melt Substances 0.000 claims 1
Landscapes
- Fixing For Electrophotography (AREA)
- Control Of Resistance Heating (AREA)
- Control Of Temperature (AREA)
Description
第１図〜第５図は本考案の実施例を示すもので
、第１図はレーザプリンタの断面図、第２図は定
着装置の側面図、第３図は同装置の斜視図、第４
図は閉塞部材で閉塞された加熱ローラの部分断面
図、第５図は変形例に係る第４図相当図、第６図
は従来技術に係る定着装置の第２図相当図である
。
１３……定着装置、２２……記録紙、２５……
トナー、３１……加熱ローラ、３１ａ……表面、
３２……加圧ローラ、３３……加熱素子、３６…
…温度検出素子、３７……通電ライン、３８……
温度ヒユーズ。
1 to 5 show embodiments of the present invention, in which FIG. 1 is a sectional view of a laser printer, FIG. 2 is a side view of a fixing device, FIG. 3 is a perspective view of the same device, and FIG.
5 is a partial sectional view of a heating roller closed with a closing member, FIG. 5 is a view corresponding to FIG. 4 according to a modified example, and FIG. 6 is a view corresponding to FIG. 2 of a fixing device according to the prior art. 13... Fixing device, 22... Recording paper, 25...
Toner, 31...Heating roller, 31a...Surface,
32... Pressure roller, 33... Heating element, 36...
...Temperature detection element, 37... Current carrying line, 38...
temperature fuse.
Claims (1)
加熱ローラ及び非中空状の加圧ローラと、加熱ロ
ーラの中心部を挿通させて配設され加熱ローラを
内側から加熱する加熱素子と、加熱ローラの表面
温度を検出する温度検出手段と、加熱素子への通
電ラインに直列接続された温度ヒユーズであつて
、加熱ローラの表面に接触状に配設され加熱ロー
ラの表面温度が設定温度になつたときに溶断する
温度ヒユーズとを有する定着装置において、 前記温度ヒユーズは加熱ローラの表面の中段部
分に属する部分に接触するように配設されている
ことを特徴とする定着装置。[Claim for Utility Model Registration] A hollow heating roller and a non-hollow pressure roller that fix the toner on the recording paper to the recording paper, and a heating roller that is inserted through the center of the heating roller and is heated from the inside. A heating element that heats, a temperature detection means that detects the surface temperature of the heating roller, and a temperature fuse that is connected in series to the current supply line to the heating element, and that is arranged in contact with the surface of the heating roller and that detects the surface temperature of the heating roller. A fixing device having a temperature fuse that melts when the surface temperature reaches a set temperature, characterized in that the temperature fuse is arranged so as to be in contact with a portion belonging to a middle portion of the surface of the heating roller. Fusing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11148690U JPH0467664U (en) | 1990-10-23 | 1990-10-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11148690U JPH0467664U (en) | 1990-10-23 | 1990-10-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0467664U true JPH0467664U (en) | 1992-06-16 |
Family
ID=31858946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11148690U Pending JPH0467664U (en) | 1990-10-23 | 1990-10-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0467664U (en) |
-
1990
- 1990-10-23 JP JP11148690U patent/JPH0467664U/ja active Pending