JPH01113258U - - Google Patents
Info
- Publication number
- JPH01113258U JPH01113258U JP917888U JP917888U JPH01113258U JP H01113258 U JPH01113258 U JP H01113258U JP 917888 U JP917888 U JP 917888U JP 917888 U JP917888 U JP 917888U JP H01113258 U JPH01113258 U JP H01113258U
- Authority
- JP
- Japan
- Prior art keywords
- fixing device
- roller
- elastic means
- roller fixing
- pair
- 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
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
Landscapes
- Fixing For Electrophotography (AREA)
Description
図面はいずれも本考案の一実施例を示し、第１
図は側面図、第２図および第３図は夫々相異なる
態様の要部正面図、第４図および第５図は夫々第
２図、第３図に対応する概略側面図である。
１…ヒートローラ（他方のローラ）、３…加圧
ローラ（一方のローラ）、６…押圧レバー、８…
セクタギア、９…駆動ギア、１０…引張ばね（弾
性手段）、１１…ガイド、１４ａ，１４ｂ…用紙
。
Each of the drawings shows an embodiment of the present invention.
The figure is a side view, FIGS. 2 and 3 are front views of essential parts of different embodiments, and FIGS. 4 and 5 are schematic side views corresponding to FIGS. 2 and 3, respectively. 1...Heat roller (the other roller), 3...Pressure roller (one roller), 6...Press lever, 8...
Sector gear, 9... Drive gear, 10... Tension spring (elastic means), 11... Guide, 14a, 14b... Paper.
Claims (1)
に圧接されているローラ対間を通過させることに
よつて定着するローラ定着装置において、 一方のローラを他方のローラに圧接させる弾性
手段と、この弾性手段の弾性力を連続的に変化さ
せる手段とが具備されていることを特徴とするロ
ーラ定着装置。 ２ 弾性手段は引張ばねであり、この引張ばねの
一端は駆動ギアと噛合するセクタギアに接続され
ている請求項１記載のローラ定着装置。 ３ ローラ対の、送紙方向に沿つて上流側に、用
紙のローラ対に対する挿入位置を変化させ得るガ
イド部材が備えられており、このガイド部材は弾
性手段と連動するように構成されている請求項１
若しくは請求項２記載のローラ定着装置。[Claims for Utility Model Registration] 1. In a roller fixing device that fixes a recording paper to which toner is attached by passing it between a pair of rollers that are in pressure contact with each other, one roller is connected to the other. 1. A roller fixing device comprising: an elastic means that is brought into pressure contact with a roller; and a means that continuously changes the elastic force of the elastic means. 2. The roller fixing device according to claim 1, wherein the elastic means is a tension spring, and one end of the tension spring is connected to a sector gear meshing with the drive gear. 3. A guide member is provided on the upstream side of the pair of rollers along the paper feeding direction and is capable of changing the insertion position of the paper with respect to the pair of rollers, and the guide member is configured to interlock with elastic means. Item 1
Alternatively, the roller fixing device according to claim 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP917888U JPH01113258U (en) | 1988-01-27 | 1988-01-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP917888U JPH01113258U (en) | 1988-01-27 | 1988-01-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01113258U true JPH01113258U (en) | 1989-07-31 |
Family
ID=31215700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP917888U Pending JPH01113258U (en) | 1988-01-27 | 1988-01-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01113258U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011145543A (en) * | 2010-01-15 | 2011-07-28 | Ricoh Co Ltd | Fixing device and image forming apparatus |
-
1988
- 1988-01-27 JP JP917888U patent/JPH01113258U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011145543A (en) * | 2010-01-15 | 2011-07-28 | Ricoh Co Ltd | Fixing device and image forming apparatus |
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