JPH021759U - - Google Patents
Info
- Publication number
- JPH021759U JPH021759U JP7889588U JP7889588U JPH021759U JP H021759 U JPH021759 U JP H021759U JP 7889588 U JP7889588 U JP 7889588U JP 7889588 U JP7889588 U JP 7889588U JP H021759 U JPH021759 U JP H021759U
- Authority
- JP
- Japan
- Prior art keywords
- toner
- carrier
- toner carrier
- length
- developing 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
- 230000002265 prevention Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
Landscapes
- Dry Development In Electrophotography (AREA)
Description
第１図はこの考案の一実施例である現像装置の
概略構成を示す断面説明図、第２図ａ〜第２図ｃ
は同じく正面説明図、第３図は現像時間とトナー
もれ量との関係グラフ、第４図は従来の現像装置
の概略構成を示す断面説明図、第５図ａ〜第５図
ｃは同じく正面説明図である。
図において、１はトナー担持体、２はトナー供
給ロール、３はトナー層厚規制部材、４は装置横
支持板、５はトナーもれ防止部材、６は静電潜像
担持体、７はトナー収容槽、８はトナーである。
FIG. 1 is an explanatory cross-sectional view showing the schematic structure of a developing device that is an embodiment of this invention, and FIGS. 2a to 2c
3 is a graph showing the relationship between the developing time and the amount of toner leakage, FIG. 4 is a sectional view showing the schematic structure of a conventional developing device, and FIGS. 5a to 5c are the same. It is a front explanatory view. In the figure, 1 is a toner carrier, 2 is a toner supply roll, 3 is a toner layer thickness regulating member, 4 is a device side support plate, 5 is a toner leak prevention member, 6 is an electrostatic latent image carrier, and 7 is a toner layer. A storage tank 8 is a toner.
Claims (1)
、前記トナー担持体上にトナーを供給する手段と
該トナー供給手段の下流側に前記トナー担持体に
圧接するトナー層厚規制部材を設け、前記トナー
担持体側面に当接するトナーもれ防止部材を設け
、前記トナー担持体上に帯電したトナーの薄層を
均一に形成する装置において、 前記トナー層厚規制部材の長手方向の長さを前
記トナー担持体の軸方向長さより長くしたことを
特徴とする現像装置。[Claims for Utility Model Registration] A toner carrier is provided opposite to the electrostatic latent image carrier, a means for supplying toner onto the toner carrier, and a downstream side of the toner supply means is pressed against the toner carrier. In the apparatus for uniformly forming a thin layer of charged toner on the toner carrier, the toner layer thickness regulating member is provided with a toner leak prevention member that contacts a side surface of the toner carrier, A developing device characterized in that the length of the member in the longitudinal direction is longer than the length of the toner carrier in the axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7889588U JPH021759U (en) | 1988-06-16 | 1988-06-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7889588U JPH021759U (en) | 1988-06-16 | 1988-06-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH021759U true JPH021759U (en) | 1990-01-08 |
Family
ID=31303787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7889588U Pending JPH021759U (en) | 1988-06-16 | 1988-06-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH021759U (en) |
-
1988
- 1988-06-16 JP JP7889588U patent/JPH021759U/ja active Pending
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