JPH03100857U - - Google Patents
Info
- Publication number
- JPH03100857U JPH03100857U JP3549490U JP3549490U JPH03100857U JP H03100857 U JPH03100857 U JP H03100857U JP 3549490 U JP3549490 U JP 3549490U JP 3549490 U JP3549490 U JP 3549490U JP H03100857 U JPH03100857 U JP H03100857U
- Authority
- JP
- Japan
- Prior art keywords
- transfer paper
- conveyance
- static
- roller
- length
- 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
- 230000003068 static effect Effects 0.000 claims description 9
- 230000008030 elimination Effects 0.000 description 4
- 238000003379 elimination reaction Methods 0.000 description 4
Landscapes
- Paper Feeding For Electrophotography (AREA)
Description
第1図ないし第8図は本考案の第一実施例を示
すもので、第1図は転写紙搬送路の後部の側面図
、第2図は複写機の内部構造を示す側面図、第3
図は搬送ローラと除電ブラシとの関係を示す斜視
図、第4図は除電ブラシの支持構造を拡大して示
す一部の縦断正面図、第5図は除電ブラシの支持
構造を拡大して示す縦断側面図、第6図は転写紙
の帯電の有無を実験的に測定する設備を示す側面
図、第7図は転写紙の帯電量を実験的に測定する
設備を示す側面図、第8図は除電ブラシの配置と
転写紙の帯電量との関係を実験的に測定する設備
の側面図、第9図および第10図は本考案の第二
の実施例を示すもので、第9図は転写紙搬送路の
後部の側面図、第10図は搬送ローラとコロナチ
ヤージヤとの関係を示す斜視図である。
22……定着装置、31……搬送ローラ、32
……転写紙、34,46……除電手段、49……
遮蔽部。
1 to 8 show a first embodiment of the present invention, in which FIG. 1 is a side view of the rear part of the transfer paper conveyance path, FIG. 2 is a side view showing the internal structure of the copying machine, and FIG.
The figure is a perspective view showing the relationship between the conveyance roller and the static elimination brush, FIG. 4 is a partial longitudinal sectional front view showing an enlarged view of the support structure of the static elimination brush, and FIG. 5 is an enlarged view of the support structure of the static elimination brush. 6 is a side view showing equipment for experimentally measuring the presence or absence of charge on transfer paper; FIG. 7 is a side view showing equipment for experimentally measuring the amount of charge on transfer paper; FIG. 8 is a side view showing equipment for experimentally measuring the amount of charge on transfer paper. 9 is a side view of equipment for experimentally measuring the relationship between the arrangement of static eliminating brushes and the amount of charge on transfer paper; FIGS. 9 and 10 show a second embodiment of the present invention; FIG. FIG. 10 is a side view of the rear part of the transfer paper conveyance path, and a perspective view showing the relationship between the conveyance roller and the corona charger. 22... Fixing device, 31... Conveyance roller, 32
... Transfer paper, 34, 46 ... Static elimination means, 49 ...
Shielding part.
Claims (1)
られて前記転写紙の搬送経路中に回転自在に設け
られた搬送ローラと、前記転写紙の搬送経路にお
ける少なくとも最下流に位置する前記搬送ローラ
の下流側の近傍に並設されて前記転写紙の前記搬
送ローラに接触した部分のみを除電する除電手段
とよりなることを特徴とする電子写真装置の転写
紙搬送装置。 2 搬送ローラの回転面に対応する部分以外の部
分に転写紙に対向する遮蔽部が形成されたコロナ
チヤージヤを除電手段としたことを特徴とする請
求項1記載の電子写真装置の転写紙搬送装置。 3 搬送ローラの長さと略一致する長さの除電ブ
ラシを除電手段としたことを特徴とする請求項1
記載の電子写真装置の転写紙搬送装置。[Claims for Utility Model Registration] 1. A conveyance roller that is rotatably provided in the conveyance path of the transfer paper and has a length that contacts a part of the transfer paper in the width direction; and a conveyance roller that is rotatably provided in the conveyance path of the transfer paper; Transferring of an electrophotographic apparatus, comprising: a static eliminator disposed in parallel near the downstream side of at least the most downstream conveying roller, for eliminating static only from a portion of the transfer paper that is in contact with the conveying roller. Paper conveyance device. 2. The transfer paper conveying device for an electrophotographic apparatus according to claim 1, wherein the charge eliminating means is a corona charger in which a shielding portion facing the transfer paper is formed in a portion other than a portion corresponding to the rotating surface of the conveyance roller. 3. Claim 1, characterized in that the static eliminating means is a static eliminating brush having a length that substantially matches the length of the conveying roller.
A transfer paper conveyance device of the electrophotographic apparatus described above.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3549490U JPH03100857U (en) | 1989-11-21 | 1990-04-02 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13510089 | 1989-11-21 | ||
JP3549490U JPH03100857U (en) | 1989-11-21 | 1990-04-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH03100857U true JPH03100857U (en) | 1991-10-22 |
Family
ID=31889995
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3549490U Pending JPH03100857U (en) | 1989-11-21 | 1990-04-02 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH03100857U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020115169A (en) * | 2019-01-17 | 2020-07-30 | シャープ株式会社 | Image formation apparatus |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6141260B2 (en) * | 1982-02-05 | 1986-09-13 | Asahi Garasu Kk | |
JPS649934B2 (en) * | 1980-04-15 | 1989-02-20 | Olympic Co Ltd |
-
1990
- 1990-04-02 JP JP3549490U patent/JPH03100857U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS649934B2 (en) * | 1980-04-15 | 1989-02-20 | Olympic Co Ltd | |
JPS6141260B2 (en) * | 1982-02-05 | 1986-09-13 | Asahi Garasu Kk |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020115169A (en) * | 2019-01-17 | 2020-07-30 | シャープ株式会社 | Image formation apparatus |
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