JPH049063U - - Google Patents
Info
- Publication number
- JPH049063U JPH049063U JP4901490U JP4901490U JPH049063U JP H049063 U JPH049063 U JP H049063U JP 4901490 U JP4901490 U JP 4901490U JP 4901490 U JP4901490 U JP 4901490U JP H049063 U JPH049063 U JP H049063U
- Authority
- JP
- Japan
- Prior art keywords
- sleeve
- developer
- opening
- permanent magnet
- supply port
- 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
- 239000000696 magnetic material Substances 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
Landscapes
- Magnetic Brush Developing In Electrophotography (AREA)
- Dry Development In Electrophotography (AREA)
Description
第１図は本考案の実施例を示す要部横断面図、
第２図は従来の現像装置の例を示す要部横断面図
である。
１……現像剤槽、５……スリーブ、６……永久
磁石部材、９……開口、１０……容器、１１……
初動現像剤。
FIG. 1 is a cross-sectional view of main parts showing an embodiment of the present invention;
FIG. 2 is a cross-sectional view of essential parts of an example of a conventional developing device. DESCRIPTION OF SYMBOLS 1... Developer tank, 5... Sleeve, 6... Permanent magnet member, 9... Opening, 10... Container, 11...
Initial developer.
Claims (1)
ブと、このスリーブ内に同軸的に設けられかつ外
周に軸方向に延びる複数個の磁極を設けてなる永
久磁石部材と、現像剤を収容すると共に前記スリ
ーブと永久磁石部材とを保持する現像剤槽とを備
え、現像剤をスリーブにより現像領域まで搬送し
て現像を行うように構成した現像装置において、 スリーブ上方の現像剤槽にスリーブの長さ寸法
と対応する長穴状の開口を設け、初動現像剤を収
容すると共に前記開口と対応する供給口を有しこ
の供給口をシール部材によつて封止してなる容器
を前記開口に装着し、供給口および開口を介して
初動現像剤を永久磁石部材の磁気吸引力の作用す
る範囲に供給するように構成したことを特徴とす
る現像装置。[Claims for Utility Model Registration] A permanent magnet member comprising: a hollow cylindrical sleeve made of a non-magnetic material; and a plurality of magnetic poles coaxially disposed within the sleeve and extending in the axial direction on the outer periphery; In a developing device that includes a developer tank that accommodates developer and holds the sleeve and a permanent magnet member, and is configured to carry the developer to a development area by the sleeve and perform development, the developer above the sleeve. A container in which a tank is provided with an elongated opening corresponding to the length of the sleeve, contains initial developer, has a supply port corresponding to the opening, and seals the supply port with a sealing member. is attached to the opening, and is configured to supply the initial developer through the supply port and the opening to an area where the magnetic attraction force of the permanent magnet member acts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4901490U JPH049063U (en) | 1990-05-10 | 1990-05-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4901490U JPH049063U (en) | 1990-05-10 | 1990-05-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH049063U true JPH049063U (en) | 1992-01-27 |
Family
ID=31566339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4901490U Pending JPH049063U (en) | 1990-05-10 | 1990-05-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH049063U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59184372A (en) * | 1983-04-04 | 1984-10-19 | Olympus Optical Co Ltd | Cartridge developing machine |
-
1990
- 1990-05-10 JP JP4901490U patent/JPH049063U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59184372A (en) * | 1983-04-04 | 1984-10-19 | Olympus Optical Co Ltd | Cartridge developing machine |
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