JPH0281543U - - Google Patents
Info
- Publication number
- JPH0281543U JPH0281543U JP15969388U JP15969388U JPH0281543U JP H0281543 U JPH0281543 U JP H0281543U JP 15969388 U JP15969388 U JP 15969388U JP 15969388 U JP15969388 U JP 15969388U JP H0281543 U JPH0281543 U JP H0281543U
- Authority
- JP
- Japan
- Prior art keywords
- transfer drum
- transfer
- sides
- backup
- image forming
- 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.)
- Granted
Links
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
- Color Electrophotography (AREA)
- Cleaning In Electrography (AREA)
Description
第１図は本考案の画像形成装置における転写ド
ラム装置の第１実施例を示す斜視図、第２図は同
第２実施例を示す斜視図、第３図は画像形成装置
としての複写機の模式図、第４図は転写ドラムの
斜視図である。
１……画像形成装置としてのカラー複写機、２
……感光体ドラム、３０……転写ドラム、３１…
…枠体、３１ａ，３１ｂ……両側部、３１ｃ……
連繋部、３４ａ……クリーニング部材としてのク
リーニングローラー、４０……転写紙支持シート
、７７……バツクアツプ部材としてのバツクアツ
プローラー、８３ａ，８３ｂ……バツクアツプ調
整部材としての調整コロ。
FIG. 1 is a perspective view showing a first embodiment of a transfer drum device in an image forming apparatus of the present invention, FIG. 2 is a perspective view showing a second embodiment of the same, and FIG. 3 is a perspective view of a copying machine as an image forming apparatus. The schematic diagram, FIG. 4, is a perspective view of the transfer drum. 1...Color copying machine as an image forming device, 2
...Photosensitive drum, 30...Transfer drum, 31...
...Frame body, 31a, 31b...Both sides, 31c...
Connecting portion, 34a...cleaning roller as a cleaning member, 40...transfer paper support sheet, 77...backup roller as a backup member, 83a, 83b...adjustment roller as a backup adjustment member.
Claims (1)
軸線に平行な周面の一部である帯状連繋部とを残
して切り欠いた形状の転写ドラム枠体に、転写ド
ラムの周面を構成する可撓性の転写紙支持シート
が巻かれて構成されている転写ドラムと、 転写動作後の前記転写ドラム上の残余のトナー
を回収するための転写ドラムの外周面に対して接
離動作自在なクリーニング部材と、 転写ドラム内に前記クリーニング部材の転写ド
ラムの外周面に対する接触による転写紙支持シー
トの変形を防止するため、転写ドラム内周面の前
記クリーニング部材に対向する位置に接触するバ
ツクアツプ部材とを具備する画像形成装置におい
て、 転写ドラムの両側部に接触し、前記バツクアツ
プ部材の転写紙支持シートに対する接触状態を一
定に保つバツクアツプ調整部材が、前記バツクア
ツプ部材に連設されていることを特徴する画像形
成装置における転写ドラム装置。[Claims for Utility Model Registration] A transfer drum frame having a shape in which a cylinder is cut out leaving both sides of the cylinder and a band-like connecting part that is continuous with both sides and is a part of the circumferential surface parallel to the axis. , a transfer drum formed by wrapping a flexible transfer paper support sheet constituting the peripheral surface of the transfer drum, and an outer periphery of the transfer drum for collecting residual toner on the transfer drum after the transfer operation. a cleaning member that can freely move toward and away from a surface of the transfer drum; In an image forming apparatus comprising a backup member that contacts at opposing positions, a backup adjustment member that contacts both sides of the transfer drum and maintains a constant state of contact of the backup member with the transfer paper support sheet is attached to the backup member. A transfer drum device in an image forming apparatus, characterized in that the transfer drum devices are arranged in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988159693U JPH0736366Y2 (en) | 1988-12-08 | 1988-12-08 | Transfer drum device in image forming apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988159693U JPH0736366Y2 (en) | 1988-12-08 | 1988-12-08 | Transfer drum device in image forming apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0281543U true JPH0281543U (en) | 1990-06-22 |
| JPH0736366Y2 JPH0736366Y2 (en) | 1995-08-16 |
Family
ID=31441113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988159693U Expired - Lifetime JPH0736366Y2 (en) | 1988-12-08 | 1988-12-08 | Transfer drum device in image forming apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0736366Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58220154A (en) * | 1982-06-17 | 1983-12-21 | Canon Inc | Transfer device |
| JPS63177180A (en) * | 1987-01-19 | 1988-07-21 | Canon Inc | Transfer device |
-
1988
- 1988-12-08 JP JP1988159693U patent/JPH0736366Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58220154A (en) * | 1982-06-17 | 1983-12-21 | Canon Inc | Transfer device |
| JPS63177180A (en) * | 1987-01-19 | 1988-07-21 | Canon Inc | Transfer device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0736366Y2 (en) | 1995-08-16 |