JPH02123952U - - Google Patents
Info
- Publication number
- JPH02123952U JPH02123952U JP3286489U JP3286489U JPH02123952U JP H02123952 U JPH02123952 U JP H02123952U JP 3286489 U JP3286489 U JP 3286489U JP 3286489 U JP3286489 U JP 3286489U JP H02123952 U JPH02123952 U JP H02123952U
- Authority
- JP
- Japan
- Prior art keywords
- developing roller
- scraping blade
- toner
- scraping
- developing
- 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
- 238000007790 scraping Methods 0.000 claims description 7
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Landscapes
- Dry Development In Electrophotography (AREA)
Description
第１図はこの考案の一実施例を示す概略正面図
、第２図Ａ，Ｂは同上に用いられる掻き落しブレ
ードの開口部の各例を示す図面、第３図は掻き落
しブレードの現像ローラに対する圧接力を調整す
る機構の概略正面図、第４図はその調整機構を構
成する調整プレートの斜視図、第５図は従来例を
示す第１図と対応する概略正面図である。
１……現像ローラ、２……現像ブレード、３…
…除電ブラシ、４……感光体、６……トナー補給
バー、８……残留トナー、９……補給トナー、１
１……掻き落しブレード、１２……開口部、１３
……側板、１５……Ｅリング枢支軸、１６……調
整プレート、１７……長孔。
Figure 1 is a schematic front view showing one embodiment of this invention, Figures 2A and B are drawings showing examples of the openings of the scraping blade used in the above, and Figure 3 is the developing roller of the scraping blade. FIG. 4 is a perspective view of an adjustment plate constituting the adjustment mechanism, and FIG. 5 is a schematic front view corresponding to FIG. 1 showing a conventional example. 1...Developing roller, 2...Developing blade, 3...
... Static elimination brush, 4 ... Photoconductor, 6 ... Toner supply bar, 8 ... Residual toner, 9 ... Replenishment toner, 1
1... Scraping blade, 12... Opening, 13
... Side plate, 15 ... E-ring pivot shaft, 16 ... Adjustment plate, 17 ... Long hole.
Claims (1)
おいて、 前記現像ローラ上の感光体表面に所定量転移さ
せたトナー層中の残留トナーを掻き落す掻き落し
ブレードを現像ローラの軸方向に沿つて設け、こ
の掻き落しブレードの長さ方向に掻き落したトナ
ーを通過させ、かつ現像ローラに対する圧接力を
全長にわたつて均一に調整するための開口部を複
数個設けたことを特徴とする現像装置。[Scope of Claim for Utility Model Registration] In a developing device of an electrophotographic apparatus equipped with a developing roller, a scraping blade for scraping off residual toner in a toner layer transferred to a predetermined amount on the surface of a photoconductor on the developing roller is provided on the developing roller. A plurality of openings are provided along the axial direction of the scraping blade to allow the scraped toner to pass in the length direction of the scraping blade and to uniformly adjust the pressure contact force against the developing roller over the entire length. A developing device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3286489U JPH02123952U (en) | 1989-03-23 | 1989-03-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3286489U JPH02123952U (en) | 1989-03-23 | 1989-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02123952U true JPH02123952U (en) | 1990-10-12 |
Family
ID=31536094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3286489U Pending JPH02123952U (en) | 1989-03-23 | 1989-03-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02123952U (en) |
-
1989
- 1989-03-23 JP JP3286489U patent/JPH02123952U/ja active Pending
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