JPS61155859U - - Google Patents
Info
- Publication number
- JPS61155859U JPS61155859U JP3891985U JP3891985U JPS61155859U JP S61155859 U JPS61155859 U JP S61155859U JP 3891985 U JP3891985 U JP 3891985U JP 3891985 U JP3891985 U JP 3891985U JP S61155859 U JPS61155859 U JP S61155859U
- Authority
- JP
- Japan
- Prior art keywords
- fixing roller
- rollers
- rotatably supported
- cooling means
- heat radiating
- 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
- 230000017525 heat dissipation Effects 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Fixing For Electrophotography (AREA)
Description
第１図は本考案の第１実施例の側面図、第２図
は同じく第１実施例の作動状況説明図、第３図は
同じく第２実施例の側面図、第４図は同じく第２
実施例の作動状況説明図である。
１……定着ローラ、２……放熱シート。
Fig. 1 is a side view of the first embodiment of the present invention, Fig. 2 is an explanatory diagram of the operating situation of the first embodiment, Fig. 3 is a side view of the second embodiment, and Fig. 4 is a side view of the second embodiment.
FIG. 3 is an explanatory diagram of the operating situation of the embodiment. 1... Fixing roller, 2... Heat dissipation sheet.
Claims (1)
ローラが径方向に所定量熱膨張した際の定着ロー
ラの外周面に接触する位置に設けられ、かつ定着
ローラの外周面と接触することによつて作動する
冷却手段を具備することを特徴とする定着ローラ
。 (2) 前記冷却手段は、回転自在に支持されたベ
ルト状の放熱シートを具備する放熱装置であるこ
とを特徴とする実用新案登録請求の範囲第１項に
記載の定着ローラ。 (3) 前記放熱シートは、定着ローラの軸方向に
平行に配設されかつ回転自在に支持された複数の
ローラに張架されると共に、２個のローラ間に張
架された部分が定着ローラと対向するように配置
されていることを特徴とする実用新案登録請求の
範囲第２項に記載の定着ローラ。[Claims for Utility Model Registration] (1) In the fixing roller of an image recording device, the fixing roller is provided at a position that contacts the outer circumferential surface of the fixing roller when the fixing roller thermally expands by a predetermined amount in the radial direction, and A fixing roller comprising a cooling means operated by contacting a surface. (2) The fixing roller according to claim 1, wherein the cooling means is a heat radiating device including a rotatably supported belt-shaped heat radiating sheet. (3) The heat dissipation sheet is stretched over a plurality of rollers that are disposed parallel to the axial direction of the fixing roller and are rotatably supported, and the portion stretched between the two rollers is attached to the fixing roller. The fixing roller according to claim 2, wherein the fixing roller is disposed so as to face the fixing roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3891985U JPS61155859U (en) | 1985-03-20 | 1985-03-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3891985U JPS61155859U (en) | 1985-03-20 | 1985-03-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61155859U true JPS61155859U (en) | 1986-09-27 |
Family
ID=30546377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3891985U Pending JPS61155859U (en) | 1985-03-20 | 1985-03-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61155859U (en) |
-
1985
- 1985-03-20 JP JP3891985U patent/JPS61155859U/ja active Pending
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