JPH0428657U - - Google Patents
Info
- Publication number
- JPH0428657U JPH0428657U JP7126790U JP7126790U JPH0428657U JP H0428657 U JPH0428657 U JP H0428657U JP 7126790 U JP7126790 U JP 7126790U JP 7126790 U JP7126790 U JP 7126790U JP H0428657 U JPH0428657 U JP H0428657U
- Authority
- JP
- Japan
- Prior art keywords
- cleaning member
- cleaning
- detection surface
- toner detection
- 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
- 238000004140 cleaning Methods 0.000 claims description 21
- 238000001514 detection method Methods 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Dry Development In Electrophotography (AREA)
- Cleaning In Electrography (AREA)
Description
第１図はこの考案の一実施例であるクリーニン
グ装置を備える現像器のトナー容器内を示す斜視
図、第２図はその現像器の断面図、第３図イはこ
の考案によるクリーニング装置のクリーニング部
材がトナーセンサのトナー検知面を摺接する状態
を示す説明図、第３図ロはそのクリーニング部材
の清掃面を仮に平面とした場合にクリーニング部
材が折れ曲がる問題点を示す説明図、第４図はこ
の考案におけるクリーニング部材でその摺接時に
トナー検知面を弾性的に軽く押しつけた状態を示
す説明図である。第５図はレーザプリンタの内部
機構を示す全体概略構成図、第６図は請求項２に
記載にこの考案の一実施例であるクリーニング装
置におけるクリーニング部材がトナー検知面を摺
接する状態を示す説明図である。第７図は、弾性
板からなるクリーニング部材を備える従来のクリ
ーニング装置による清掃時の問題点を示す説明図
である。
１９……現像器、３１……回転軸、３２……ア
ジテータ、３５……トナーセンサ、３５ａ……ト
ナー検知面、３６……クリーニング装置、３８…
…クリーニング部材、３８ａ……清掃面。
Fig. 1 is a perspective view showing the inside of a toner container of a developing device equipped with a cleaning device which is an embodiment of this invention, Fig. 2 is a sectional view of the developing device, and Fig. 3A is a cleaning device of this invention. An explanatory diagram showing the state in which the member slides into contact with the toner detection surface of the toner sensor, FIG. FIG. 6 is an explanatory view showing a state in which the cleaning member according to the invention elastically lightly presses the toner detection surface during sliding contact. FIG. 5 is an overall schematic configuration diagram showing the internal mechanism of the laser printer, and FIG. 6 is an explanation showing a state in which the cleaning member slides into contact with the toner detection surface in the cleaning device which is an embodiment of the invention as claimed in claim 2. It is a diagram. FIG. 7 is an explanatory diagram illustrating problems encountered during cleaning by a conventional cleaning device including a cleaning member made of an elastic plate. 19... Developing device, 31... Rotating shaft, 32... Agitator, 35... Toner sensor, 35a... Toner detection surface, 36... Cleaning device, 38...
...Cleaning member, 38a...Cleaning surface.
Claims (1)
タとともに回動するクリーニング部材を備え、そ
のクリーニング部材をトナーセンサのトナー検知
面に摺接してそのトナー検知面を清掃する現像器
のクリーニング装置において、前記クリーニング
部材をスポンジ材で形成し、前記トナー検知面と
摺接するそのクリーニング部材の清掃面を曲面で
形成してなる、現像器のクリーニング装置。 ２ 前記トナー検知面に対する前記クリーニング
部材の接触圧がそのトナー検知面における前記ク
リーニング部材の摺接方向始端側で最大となる位
置にそのクリーニング部材を設けてなる、請求項
１に記載の現像器のクリーニング装置。[Claims for Utility Model Registration] 1. A developing device that includes a cleaning member that is supported by the rotating shaft of an agitator and rotates together with the agitator, and that cleans the toner detection surface by sliding the cleaning member into contact with the toner detection surface of a toner sensor. A cleaning device for a developing device, wherein the cleaning member is made of a sponge material, and a cleaning surface of the cleaning member that makes sliding contact with the toner detection surface is formed as a curved surface. 2. The developing device according to claim 1, wherein the cleaning member is provided at a position where the contact pressure of the cleaning member with respect to the toner detection surface is maximum on the sliding direction starting end side of the cleaning member on the toner detection surface. cleaning equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7126790U JPH0428657U (en) | 1990-07-04 | 1990-07-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7126790U JPH0428657U (en) | 1990-07-04 | 1990-07-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0428657U true JPH0428657U (en) | 1992-03-06 |
Family
ID=31608144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7126790U Pending JPH0428657U (en) | 1990-07-04 | 1990-07-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0428657U (en) |
-
1990
- 1990-07-04 JP JP7126790U patent/JPH0428657U/ja active Pending