JPS6330849U - - Google Patents
Info
- Publication number
- JPS6330849U JPS6330849U JP12446586U JP12446586U JPS6330849U JP S6330849 U JPS6330849 U JP S6330849U JP 12446586 U JP12446586 U JP 12446586U JP 12446586 U JP12446586 U JP 12446586U JP S6330849 U JPS6330849 U JP S6330849U
- Authority
- JP
- Japan
- Prior art keywords
- image
- transfer drum
- backup member
- image carrier
- transfer
- 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
- 238000010586 diagram Methods 0.000 description 1
Description
第１図と第２図は本考案のバツクアツプ部材の
動作タイミングを示すタイミングチヤート図。第
３図は本考案を適用する電子写真カラー複写機の
断面図、第４図は感光ドラムの表面電位図、第５
図と第６図は本考案のバツクアツプ部材の駆動例
を示す転写部の側面図である。
図において、２０は転写ドラム、２４は転写用
コロナ放電器、１０２はバツクアツプ部材、１０
４はこの部材用駆動用ソレノイド、１０５は復帰
用バネを示す。
1 and 2 are timing charts showing the operation timing of the backup member of the present invention. FIG. 3 is a sectional view of an electrophotographic color copying machine to which the present invention is applied, FIG. 4 is a surface potential diagram of a photosensitive drum, and FIG.
FIG. 6 is a side view of the transfer section showing an example of driving the backup member of the present invention. In the figure, 20 is a transfer drum, 24 is a transfer corona discharger, 102 is a backup member, 10
Reference numeral 4 indicates a solenoid for driving this member, and reference numeral 105 indicates a return spring.
Claims (1)
し、像担持体上の画像を転写することにより画像
を形成する画像形成装置において、前記転写材支
持体内部に位置し、転写材支持体を前記像担持体
方向に付勢するバツクアツプ部材を前記転写ドラ
ム内面に接離可能に支持し、前記像担持体からの
非転写時は、前記バツクアツプ部材を前記転写ド
ラム内面より退避させることを特徴とする画像形
成装置。 In an image forming apparatus that has a transfer material support that supports and rotates a transfer material and forms an image by transferring an image on an image carrier, a A backup member biased in the direction of the image carrier is supported on the inner surface of the transfer drum so as to be able to approach and separate from the inner surface of the transfer drum, and when the image is not transferred from the image carrier, the backup member is retracted from the inner surface of the transfer drum. image forming device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12446586U JPS6330849U (en) | 1986-08-13 | 1986-08-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12446586U JPS6330849U (en) | 1986-08-13 | 1986-08-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6330849U true JPS6330849U (en) | 1988-02-29 |
Family
ID=31016503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12446586U Pending JPS6330849U (en) | 1986-08-13 | 1986-08-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6330849U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0267367U (en) * | 1988-11-09 | 1990-05-22 |
-
1986
- 1986-08-13 JP JP12446586U patent/JPS6330849U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0267367U (en) * | 1988-11-09 | 1990-05-22 |
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