JPH049945U - - Google Patents
Info
- Publication number
- JPH049945U JPH049945U JP4923990U JP4923990U JPH049945U JP H049945 U JPH049945 U JP H049945U JP 4923990 U JP4923990 U JP 4923990U JP 4923990 U JP4923990 U JP 4923990U JP H049945 U JPH049945 U JP H049945U
- Authority
- JP
- Japan
- Prior art keywords
- support shaft
- roller
- heating roller
- fixing device
- heat fixing
- 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 3
- 238000010586 diagram Methods 0.000 description 1
- 239000003094 microcapsule Substances 0.000 description 1
Landscapes
- Photographic Developing Apparatuses (AREA)
Description
第１図から第４図までは本考案の実施例を示し
、第１図は複写機の全体構成図、第２図は熱定着
装置の要部斜視図、第３図は平面図、第４図は第
３図の−視断面図である。
２０……複写機、２１……マイクロカプセル紙
、２２……顕色シート、２６……光源部、４２…
…圧力現像装置、４４……熱定着装置、４５……
給紙カセツト、４８……排紙トレイ、５１，５１
……フレーム、５３……加熱ローラ、５５……ベ
ルト、５６……加圧ローラ、５８……ヒータ、６
０，６２……支持軸、６３……案内溝、６５……
外リング、６４……付勢手段、６６，６６……引
張体、６７……付勢ばね、６８，６８……コロ、
６９……ブラケツト、７０……加圧調節駆動手段
、７３……揺動アーム、７５……転子、７６……
偏心カム、７９……ステツプモータ。
1 to 4 show embodiments of the present invention, in which FIG. 1 is an overall configuration diagram of a copying machine, FIG. 2 is a perspective view of main parts of a heat fixing device, FIG. 3 is a plan view, and FIG. The figure is a cross-sectional view taken from - in FIG. 3. 20... Copying machine, 21... Microcapsule paper, 22... Color developer sheet, 26... Light source section, 42...
...Pressure developing device, 44... Heat fixing device, 45...
Paper feed cassette, 48...Paper output tray, 51, 51
... Frame, 53 ... Heat roller, 55 ... Belt, 56 ... Pressure roller, 58 ... Heater, 6
0,62... Support shaft, 63... Guide groove, 65...
Outer ring, 64... biasing means, 66, 66... tension body, 67... biasing spring, 68, 68... roller,
69... Bracket, 70... Pressure adjustment drive means, 73... Swing arm, 75... Trochanter, 76...
Eccentric cam, 79...step motor.
Claims (1)
て、感光感圧記録媒体から潜像を転写された顕色
シートが通過する熱定着装置を、加熱ローラと排
出ローラとの間に巻掛けしたベルトと、前記加熱
ローラに向かつて押圧する加圧ローラとにより構
成し、前記加熱ローラの支持軸または排出ローラ
の支持軸のうちの一方の支持軸を位置固定する一
方、前記他方の支持軸を前記一方の支持軸に対し
て遠近動自在に設け、該遠近動自在な支持軸の両
端を一つの付勢ばねにて前記一方の支持軸から離
れる方向に均等に付勢するように構成したことを
特徴とする画像形成装置における熱定着装置。 In an image forming apparatus using a photosensitive and pressure sensitive recording medium, a heat fixing device through which a color developing sheet having a latent image transferred from the photosensitive and pressure sensitive recording medium passes is connected to a belt wrapped between a heating roller and a discharge roller. , a pressure roller that presses toward the heating roller, and one of the support shafts of the heating roller and the discharge roller is fixed in position, while the other support shaft is fixed in position. The support shaft is provided so as to be movable toward and away from the supporting shaft, and both ends of the movable support shaft are configured to be equally biased in a direction away from the one support shaft by one biasing spring. A heat fixing device in an image forming apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4923990U JPH049945U (en) | 1990-05-11 | 1990-05-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4923990U JPH049945U (en) | 1990-05-11 | 1990-05-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH049945U true JPH049945U (en) | 1992-01-28 |
Family
ID=31566758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4923990U Pending JPH049945U (en) | 1990-05-11 | 1990-05-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH049945U (en) |
-
1990
- 1990-05-11 JP JP4923990U patent/JPH049945U/ja active Pending
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