JPH0318567U

JPH0318567U -

Info

Publication number: JPH0318567U
Application number: JP7841889U
Authority: JP
Priority date: 1989-07-03
Filing date: 1989-07-03
Publication date: 1991-02-22

Description

[Brief explanation of drawings]

第１図および第２図は本考案の一実施例におけ
るクリーニング装置の要部を表した概略側面説明
図および概略外観斜視図、第３図はクリーニング
装置の経時状態を表わした第１図相当の概略側面
説明図、第４図ａおよびｂは第１図および第２図
の実施例に用いられているクリーニングブレード
の一部を拡大して表わした側面説明図および平面
説明図、第５図は本考案を適用した画像形成装置
の一例としてのデイジタルレーザープリンターの
全体構成を表わした概略側面説明図、第６図およ
び第７図は本考案の他の実施例におけるクリーニ
ング装置の要部を表わした概略側面説明図および
概略外観斜視図、第８図ａおよびｂは第６図およ
び第７図に表わされた実施例におけるクリーニン
グブレードの構造を表わした断面説明図である。１……感光体ドラム、４……現像装置、６……
クリーニング装置、６１……クリーニングブレー
ド、６２……トナー回収室、６４……ホルダー、
６４ｂ……位置指示片、６７……位置センサー。 1 and 2 are a schematic side view and a schematic external perspective view showing the main parts of a cleaning device according to an embodiment of the present invention, and FIG. 3 is a diagram corresponding to FIG. 1 showing the state of the cleaning device over time. A schematic side view, FIGS. 4a and 4b are an enlarged side view and a plan view of a part of the cleaning blade used in the embodiment of FIGS. 1 and 2, and FIG. A schematic side view showing the overall configuration of a digital laser printer as an example of an image forming apparatus to which the present invention is applied; FIGS. 6 and 7 show essential parts of a cleaning device in another embodiment of the present invention. A schematic side view and a schematic external perspective view, and FIGS. 8a and 8b are cross-sectional views showing the structure of the cleaning blade in the embodiment shown in FIGS. 6 and 7. 1...Photosensitive drum, 4...Developing device, 6...
cleaning device, 61... cleaning blade, 62... toner collection chamber, 64... holder,
64b...Position indicator piece, 67...Position sensor.

Claims

[Claims for Utility Model Registration] 1. A cleaning mechanism for an image forming apparatus in which toner remaining on the photoconductor is removed by bringing the edge twill portion of the cleaning blade into contact with the surface of the photoconductor, A cleaning mechanism for an image forming apparatus, characterized in that the cleaning blade is provided with a lifespan display device that detects the amount of wear on the cleaning blade and notifies when to replace it. 2. A cleaning mechanism for an image forming apparatus in which toner remaining on the photoreceptor is removed by bringing the edge twill portion of the cleaning blade held in the holder into contact with the surface portion of the photoreceptor, wherein the cleaning blade is configured to remove toner remaining on the photoreceptor. A cleaning mechanism for an image forming apparatus, characterized in that a cleaning blade alone is replaceably attached to a holder. 3. The cleaning mechanism for an image forming apparatus according to claim 2, wherein the cleaning blade is held to the holder side by magnetic force. 4. The cleaning mechanism for an image forming apparatus according to claim 2, wherein the cleaning blade is formed such that a plurality of twilling portions provided on the cleaning blade can selectively come into contact with each other. Cleaning mechanism of image forming apparatus.