JPH0311251U - - Google Patents
Info
- Publication number
- JPH0311251U JPH0311251U JP7119289U JP7119289U JPH0311251U JP H0311251 U JPH0311251 U JP H0311251U JP 7119289 U JP7119289 U JP 7119289U JP 7119289 U JP7119289 U JP 7119289U JP H0311251 U JPH0311251 U JP H0311251U
- Authority
- JP
- Japan
- Prior art keywords
- drum
- tracking
- photosensitive material
- organic photosensitive
- tracking 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
Landscapes
- Discharging, Photosensitive Material Shape In Electrophotography (AREA)
- Dry Development In Electrophotography (AREA)
Description
第１図は本考案のドラムトラツキング装置を説
明する図、第２図は本考案に用いられるトラツキ
ングロールを説明する図、第３図は従来のドラム
トラツキング装置を説明する図、第４図は従来の
ドラムトラツキング装置を説明する図、第５図は
第４図のＥ部の拡大図である。
１……感光体ドラム、２……現像ロール、３…
…従来のトラツキングロール、４……Ａｌドラム
、５……ＯＰＣ膜、６……本考案のトラツキング
ロール、Ｃｏ，Ｃｕ，Ｃｂ……円弧、Ｒｏ，Ｒｕ
，Ｒｂ……半径、Ｌ……トラツキングロール巾、
ｔ……ＯＰＣ膜厚、Ｅｏ，Ｅｕ，Ｅｂ……トラツ
キングロールエツジ部、Ｓ……従来のドラムトラ
ツキング装置接触面、ｌ……トラツキングロール
巾、Ｑ……ＯＰＣ膜厚小部、Ｐ……画像形成を実
施できない部分。
FIG. 1 is a diagram for explaining the drum tracking device of the present invention, FIG. 2 is a diagram for explaining the tracking roll used in the present invention, FIG. 3 is a diagram for explaining the conventional drum tracking device, and FIG. 4 is a diagram for explaining the conventional drum tracking device. This figure is a diagram explaining a conventional drum tracking device, and FIG. 5 is an enlarged view of section E in FIG. 4. 1...Photosensitive drum, 2...Developing roll, 3...
... Conventional tracking roll, 4 ... Al drum, 5 ... OPC film, 6 ... Tracking roll of the present invention, Co, Cu, Cb ... Arc, Ro, Ru
, Rb...radius, L...tracking roll width,
t...OPC film thickness, Eo, Eu, Eb...Tracking roll edge part, S...Contact surface of conventional drum tracking device, l...Tracking roll width, Q...OPC film thickness small part, P ...A part where image formation cannot be performed.
Claims (1)
感光材料との接触面を凸形状としたトラツキング
ロールとからなるドラムトラツキング装置。 (2) 凸形状を円弧としたトラツキングロールの
巾をＬ、有機感光材料の膜厚をｔとした時、該円
弧の半径をＲとするとＲ≦１２ｔ（ｔ２＋Ｌ２４
）が成立する請求項１のドラムトラツキング装置
。[Claims for Utility Model Registration] (1) A drum tracking device consisting of a drum having an organic photosensitive material on its surface and a tracking roll having a convex contact surface with the organic photosensitive material. (2) When the width of the tracking roll whose convex shape is an arc is L, the film thickness of the organic photosensitive material is t, and the radius of the arc is R, then R≦12t (t 2 + L 2 4
2. The drum tracking device according to claim 1, wherein:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7119289U JPH0311251U (en) | 1989-06-20 | 1989-06-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7119289U JPH0311251U (en) | 1989-06-20 | 1989-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0311251U true JPH0311251U (en) | 1991-02-04 |
Family
ID=31608003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7119289U Pending JPH0311251U (en) | 1989-06-20 | 1989-06-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0311251U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5428261A (en) * | 1977-08-04 | 1979-03-02 | Mitsuboshi Seisakusho | Method of making kingpinnholded pipe |
| JP2001245545A (en) * | 1999-12-28 | 2001-09-11 | Iris Ohyama Inc | Net-supporting structure for fence |
-
1989
- 1989-06-20 JP JP7119289U patent/JPH0311251U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5428261A (en) * | 1977-08-04 | 1979-03-02 | Mitsuboshi Seisakusho | Method of making kingpinnholded pipe |
| JP2001245545A (en) * | 1999-12-28 | 2001-09-11 | Iris Ohyama Inc | Net-supporting structure for fence |
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