JPS6378963U - - Google Patents
Info
- Publication number
- JPS6378963U JPS6378963U JP17311886U JP17311886U JPS6378963U JP S6378963 U JPS6378963 U JP S6378963U JP 17311886 U JP17311886 U JP 17311886U JP 17311886 U JP17311886 U JP 17311886U JP S6378963 U JPS6378963 U JP S6378963U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic roll
- magnetic
- developing device
- image
- image area
- 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 5
Description
第１図は本考案に係る現像装置の現像ロール部
分の断面図、第２図は第１図の磁気ロール端部側
の磁力線の状態を示す図、第３図は第１図の磁気
ロール端面の着磁状態を示す図、第４図は本考案
に係る磁気ロール端部側を示す図、第５図は第４
図の磁気ロールの端面図、第６図は従来例に係る
現像装置の現像ロール部分の断面図、第７図は第
６図の磁気ロール端部側の磁力線の状態を示す図
、第８図は第６図の磁気ロール端面の着磁状態を
示す図である。
１１……磁気ロール、１１ａ……第１磁気ロー
ル、１１ｂ……第２磁気ロール、１２……現像ス
リーブ、１３……フランジ部、１４……軸、１５
……穂、１６……磁力線。
FIG. 1 is a cross-sectional view of the developing roll portion of the developing device according to the present invention, FIG. 2 is a diagram showing the state of magnetic force lines on the end side of the magnetic roll in FIG. 1, and FIG. 3 is an end face of the magnetic roll in FIG. 1. 4 is a diagram showing the end side of the magnetic roll according to the present invention, and FIG. 5 is a diagram showing the magnetized state of the magnetic roll according to the present invention.
FIG. 6 is a sectional view of the developing roll portion of the conventional developing device; FIG. 7 is a diagram showing the state of the magnetic force lines at the end of the magnetic roll in FIG. 6; FIG. 7 is a diagram showing the magnetized state of the end face of the magnetic roll in FIG. 6. FIG. DESCRIPTION OF SYMBOLS 11... Magnetic roll, 11a... First magnetic roll, 11b... Second magnetic roll, 12... Developing sleeve, 13... Flange portion, 14... Shaft, 15
...Ear, 16...Magnetic field lines.
Claims (1)
成された現像剤の磁気ブラシにより像担持体上の
潜像を現像する現像装置において、 前記磁気ロールは画像領域に対応する位置に設
けられた第１磁気ロールと、該第１磁気ロールの
端部に隣接して非画像領域に対応する位置に設け
られた第２磁気ロールとから成ることを特徴とす
る現像装置。[Claims for Utility Model Registration] A developing device that develops a latent image on an image carrier using a magnetic brush of developer formed on a developing sleeve having a magnetic roll therein, wherein the magnetic roll corresponds to an image area. A developing device comprising: a first magnetic roll provided at a position; and a second magnetic roll provided adjacent to an end of the first magnetic roll at a position corresponding to a non-image area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17311886U JPS6378963U (en) | 1986-11-11 | 1986-11-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17311886U JPS6378963U (en) | 1986-11-11 | 1986-11-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6378963U true JPS6378963U (en) | 1988-05-25 |
Family
ID=31110279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17311886U Pending JPS6378963U (en) | 1986-11-11 | 1986-11-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6378963U (en) |
-
1986
- 1986-11-11 JP JP17311886U patent/JPS6378963U/ja active Pending
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