JPH03125371U - - Google Patents
Info
- Publication number
- JPH03125371U JPH03125371U JP3490390U JP3490390U JPH03125371U JP H03125371 U JPH03125371 U JP H03125371U JP 3490390 U JP3490390 U JP 3490390U JP 3490390 U JP3490390 U JP 3490390U JP H03125371 U JPH03125371 U JP H03125371U
- Authority
- JP
- Japan
- Prior art keywords
- heat
- roller
- toner image
- gear
- fixing 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
- 230000013011 mating Effects 0.000 claims 2
- 239000007787 solid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Fixing For Electrophotography (AREA)
- Paper Feeding For Electrophotography (AREA)
Description
第１図は、本考案のトナー像定着装置の部分縦
断面模式図、第２図は、本考案のトナー像定着装
置の横断面模式図、第３図は、本考案の駆動ギヤ
機構の段面略示図、第４図は、従来例のトナー像
定着装置の部分縦断面模式図である。
１はヒートローラ、２はヒータランプ、３はギ
ヤ、４はストツパ、５はスプリング、６は回転ヒ
ンジ、７は支持体、１０は駆動ギヤ、１１はワン
ウエイクラツチ、１５は加圧ばね、１６は加圧ア
ーム、１７はバツクアツプローラ、１８はヒート
ローラ保持部、２０はノブ、２１はシヤフト、２
２はベアリング、３０は用紙、４０はカバー箱、
４１はフレーム。
FIG. 1 is a partial vertical cross-sectional schematic diagram of the toner image fixing device of the present invention, FIG. 2 is a cross-sectional schematic diagram of the toner image fixing device of the present invention, and FIG. 3 is a stage of the drive gear mechanism of the present invention. FIG. 4 is a schematic partial vertical cross-sectional view of a conventional toner image fixing device. 1 is a heat roller, 2 is a heater lamp, 3 is a gear, 4 is a stopper, 5 is a spring, 6 is a rotating hinge, 7 is a support body, 10 is a drive gear, 11 is a one-way clutch, 15 is a pressure spring, 16 is a Pressure arm, 17 is a back-up roller, 18 is a heat roller holding part, 20 is a knob, 21 is a shaft, 2
2 is the bearing, 30 is the paper, 40 is the cover box,
41 is the frame.
Claims (1)
に熱源を備えた円筒形状のヒートローラと、これ
と相接し、逆回転しながら作動する中実円筒形状
のバツクアツプローラからなる１対のローラ間の
細隙を通過させることにより、加熱定着させるこ
とができるトナー像定着装置において、該ヒート
ローラまたは同保持部に１端の外周部にギヤーを
配設し、このギヤーに噛合う位置とこの噛合位置
から離れた位置の間を移動可能な駆動ギヤー機構
を設けたことを特徴とするトナー像定着装置。 The heat-fusible toner image formed on the paper surface is transferred to a back-up roller that is made up of a cylindrical heat roller equipped with a heat source inside the cylinder, and a solid cylindrical back-up roller that is in contact with the heat roller and rotates in the opposite direction. In a toner image fixing device that can heat and fix toner images by passing through a narrow gap between a pair of rollers, a gear is disposed on the outer periphery of one end of the heat roller or the holding section, and a gear is engaged with the gear. A toner image fixing device comprising a drive gear mechanism that is movable between a mating position and a position away from the mating position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3490390U JPH03125371U (en) | 1990-03-30 | 1990-03-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3490390U JPH03125371U (en) | 1990-03-30 | 1990-03-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03125371U true JPH03125371U (en) | 1991-12-18 |
Family
ID=31539786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3490390U Pending JPH03125371U (en) | 1990-03-30 | 1990-03-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03125371U (en) |
-
1990
- 1990-03-30 JP JP3490390U patent/JPH03125371U/ja active Pending