JPS643864U - - Google Patents
Info
- Publication number
- JPS643864U JPS643864U JP9344787U JP9344787U JPS643864U JP S643864 U JPS643864 U JP S643864U JP 9344787 U JP9344787 U JP 9344787U JP 9344787 U JP9344787 U JP 9344787U JP S643864 U JPS643864 U JP S643864U
- Authority
- JP
- Japan
- Prior art keywords
- carrier
- latent image
- magnet
- view
- showing
- 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
- 108091008695 photoreceptors Proteins 0.000 description 3
- 239000000969 carrier Substances 0.000 description 1
- 239000012050 conventional carrier Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Cleaning In Electrography (AREA)
Description
第１図はこの考案に係るキヤリア捕獲装置の一
実施例における感光体ドラムとマグネツトの位置
関係を示す正面図、第２図はこの考案を適用し得
る電子写真複写機を示す概略図、第３図はマグネ
ツトがキヤリアを捕獲した状態を示す正面図、第
４図はこの考案の他の実施例を示す要部側面図、
第５図は同実施例の変形例を示す要部側面図、第
６図は同実施例の好ましくない状態を示す要部側
面図、第７図はこの考案のさらに他の実施例を示
す要部側面図、第８図は第７図の―線断面図
、第９図は乾式二成分現像剤を用いた現像原理を
示す説明図、第１０図は感光体ドラムの表面にキ
ヤリアが付着した場合のトナー像の転写状態を示
す説明図、第１１図は従来のキヤリア捕獲装置を
備えた電子写真複写機を示す要部概略図、第１２
図は同キヤリア捕獲装置の感光体ドラムとマグネ
ツトとの位置関係を示す正面図、第１３図は感光
体ドラムの画像領域とマグネツトに付着するキヤ
リアの位置関係を示す説明図、第１４図はマグネ
ツトによつて捕獲されたキヤリアが除電帯電器に
付着した状態を示す側面図である。
符号の説明、１…感光体ドラム、１１…マグネ
ツト、Ｗ…最大画像領域の幅、Ｌ…マグネツトの
長さ。
FIG. 1 is a front view showing the positional relationship between the photosensitive drum and the magnet in an embodiment of the carrier capture device according to this invention, FIG. 2 is a schematic diagram showing an electrophotographic copying machine to which this invention can be applied, and FIG. The figure is a front view showing the state in which the magnet has captured the carrier, and Figure 4 is a side view of the main part showing another embodiment of this invention.
FIG. 5 is a side view of the main part showing a modification of the same embodiment, FIG. 6 is a side view of the main part showing an unfavorable state of the same embodiment, and FIG. 7 is a main part showing still another embodiment of the invention. Figure 8 is a cross-sectional view taken along the line - in Figure 7, Figure 9 is an explanatory diagram showing the principle of development using a dry two-component developer, and Figure 10 is a diagram showing carrier adhering to the surface of the photoreceptor drum. FIG. 11 is a schematic diagram of main parts of an electrophotographic copying machine equipped with a conventional carrier capture device; FIG.
The figure is a front view showing the positional relationship between the photoreceptor drum and the magnet of the same carrier capture device, Figure 13 is an explanatory diagram showing the positional relationship between the image area of the photoreceptor drum and the carrier attached to the magnet, and Figure 14 is the magnet. FIG. 3 is a side view showing a state in which carriers captured by the charger are attached to the static eliminator. Explanation of the symbols: 1...Photosensitive drum, 11...Magnet, W...Width of maximum image area, L...Length of magnet.
Claims (1)
れ、この潜像担持体上に付着した現像剤中のキヤ
リアを吸着除去するマグネツトを備えたキヤリア
捕獲装置において、上記マグネツトの潜像担持体
の軸方向における長さを、潜像担持体の最大画像
領域の幅以下としたことを特徴とするキヤリア捕
獲装置。 A carrier capturing device including a magnet disposed along the axial direction near the latent image carrier and for adsorbing and removing the carrier in the developer adhering to the latent image carrier. A carrier capture device characterized in that the length of the body in the axial direction is less than or equal to the width of the maximum image area of the latent image carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9344787U JPS643864U (en) | 1987-06-19 | 1987-06-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9344787U JPS643864U (en) | 1987-06-19 | 1987-06-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS643864U true JPS643864U (en) | 1989-01-11 |
Family
ID=31317905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9344787U Pending JPS643864U (en) | 1987-06-19 | 1987-06-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS643864U (en) |
-
1987
- 1987-06-19 JP JP9344787U patent/JPS643864U/ja active Pending
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