DE2030962A1 - Cleaning device for the photosensitive layer in electrophotography - Google Patents
Cleaning device for the photosensitive layer in electrophotographyInfo
- Publication number
- DE2030962A1 DE2030962A1 DE19702030962 DE2030962A DE2030962A1 DE 2030962 A1 DE2030962 A1 DE 2030962A1 DE 19702030962 DE19702030962 DE 19702030962 DE 2030962 A DE2030962 A DE 2030962A DE 2030962 A1 DE2030962 A1 DE 2030962A1
- Authority
- DE
- Germany
- Prior art keywords
- brush
- cleaning
- toner
- photosensitive layer
- shaft
- 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.)
- Granted
Links
- 238000004140 cleaning Methods 0.000 title claims description 30
- 238000000034 method Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 241000283973 Oryctolagus cuniculus Species 0.000 description 1
- 241000904500 Oxyspora paniculata Species 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 150000001642 boronic acid derivatives Chemical class 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
- B08B1/34—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members rotating about an axis parallel to the surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/50—Cleaning by methods involving the use of tools involving cleaning of the cleaning members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/50—Cleaning by methods involving the use of tools involving cleaning of the cleaning members
- B08B1/54—Cleaning by methods involving the use of tools involving cleaning of the cleaning members using mechanical tools
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/0005—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge for removing solid developer or debris from the electrographic recording medium
- G03G21/0035—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge for removing solid developer or debris from the electrographic recording medium using a brush; Details of cleaning brushes, e.g. fibre density
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Cleaning In Electrography (AREA)
- Cleaning In General (AREA)
- Photosensitive Polymer And Photoresist Processing (AREA)
Description
PATENTANWÄLTE θ MÜNCHEN 2, HILBLESTRASSEPATENTANWÄLTE θ MUNICH 2, HILBLESTRASSE
9 Π 7 ΓΙ Q R 59 Π 7 ΓΙ Q R 5
Z U U U 5?-0 £Z U U U 5? -0 £
DQlum 23. Juni 1970 DQlum June 23, 1970
Kabushiki Kaisha Ricoh !Tokyo / JapanKabushiki Kaisha Ricoh! Tokyo / Japan
Reinigungseinrichtung für die lichtempfindliche Sohieht in der ElektrofotografieCleaning device for the light-sensitive sole in electrophotography
Die Erfindung betrifft eine Einrichtung zum Reinigen der wiederholt verwendbaren lichtempfindlichen Schicht in der Elektrofotografie von anhaftendem Toner, insbesondere zum Reinigen der Bürste der Reinigungseinrichtung.The invention relates to a device for cleaning the reusable photosensitive layer in the Electrophotography of adhering toner, especially for Cleaning the brush of the cleaning device.
Bei elektrofotografischen Verfahren wird der nach den eigentlichen Verfahrensschritten des Aufladen». BelichtensIn the case of electrophotographic processes, the Process steps of charging ». Exposure
-2--2-
009884/1908009884/1908
und der Bildübertragung noch an der lichtempfindlichen Schicht haftende Toner mittels einer Bürste der Reinigungseinrichtung entfernt. Der daraufhin an der Bürste der Reinigungseinrichtung haftende Toner wird anschließend* mittels einer Stab- oder stangenförmigen Abstreifeinrichtung, beispielsweise von der in der USA-Patentschrift 2 751 616 erläuterten Art, abgestreift. Derartige Abstreifeinriehtungen weisen jedoch den Nachteil auf, daß die Boraten der Bürste federnd davon abspringen und dabei den Toner umherschleudern, wobei die lichtempfindliche Schicht erneut verunreinigt wird. 'and the image transfer still on the photosensitive Layer adhering toner by means of a brush of the cleaning device removed. The toner that then sticks to the brush of the cleaning device is then * by means of a rod or rod-shaped stripping device, for example from that in the USA patent 2 751 616 explained type, stripped. Such Abstreifeinriehtungen however, have the disadvantage that the borates of the brush spring off from it and thereby the Throwing toner around, contaminating the photosensitive layer again. '
Demgegenüber soll die Erfindung eine verbesserte. Einrichtung zum Reinigen einer dem Entfernen von an der lichtempfindlichen Schicht in der Elektrofotografie anhaftendem Toner dienenden Bürste von daran haftendem Toner schaffen.In contrast, the invention is intended to provide an improved. Facility for cleaning a toner adhered to the photosensitive layer in electrophotography Use the brush to remove the toner sticking to it.
Die Reinigungseinrichtung gemäß Erfindung für eine rotierende Reinigungsbürste in einem elektrofotografischen Kopiergerät, besitzt eine parallel zur Wells der rotierenden Reinigungsbürste verlaufende drehbare Welle und mehreren gegenüber der Achse dieser Welle geneigt auf der Welle befestigten Scheiben, die mit einem Teil ihres Rande· zwischen die Borsten der Bürste hineinragen und durch ihre Taumelbewegung bei rotierender Welle den an der rotierenden Bürste anhaftenden Toner entfernen.The cleaning device according to the invention for a rotating Cleaning brush in an electrophotographic copier, has one parallel to the rotating wells Cleaning brush running rotatable shaft and several disks attached to the shaft at an incline with respect to the axis of this shaft, which disks with part of their Edge · protrude between the bristles of the brush and remove the toner adhering to the rotating brush by their tumbling motion as the shaft rotates.
009884/1908009884/1908
Bei Drehung der Scheiben führen deren mit der Bürste in Berührung stehende Handteile dieser gegenüber axiale Bewegungen aus, die zusammen mit der Drehbewegung der Scheiben das Entfernen des an der Bürste haftenden Toners bewirken. Dabei kommen die Scheibenränder nur allmählich in Berührung mit den Borsten der Bürste und werden allmählich davon wegbewegt, so daß die abgebogenen Borsten im Gegensatz zu der bekannten Einrichtung nicht heftig zurückfedern und der Toner dadurch nicht umhergeschleudert wird. ,As the discs rotate, their brushes lead in Contact standing hand parts of these opposite axial movements, which together with the rotary movement of the discs cause the toner adhering to the brush to be removed. The edges of the disc come into contact with the bristles of the brush only gradually and become gradually moved away from it, so that the bent bristles are not violent in contrast to the known device spring back to prevent the toner from being thrown around. ,
Vorst.ehende und weitere Merkmale und Vorteile der Erfindung ergeben sich im einzelnen aus der folgenden Beschreibung eines Ausführungsbeispiels anhand der Zeichnung. In dieser ist ·The above and further features and advantages of the invention emerge in detail from the following description of an embodiment based on the drawing. In this is
Pig« 1 eine Draufsicht auf ein Ausführungsbeispiel der ErfindungPig «1 is a plan view of an embodiment of FIG invention
Pig. 2 eine Seitenansicht von links auf Pig. I undPig. Figure 2 is a left side view of Pig. I and
Pig. 3 eine Darstellung zur Erläuterung der Winkeletellungen der Scheiben mit ihren Veränderungen bei drehender Welle.Pig. 3 shows an illustration to explain the angular positions of the disks with their changes when the shaft rotates.
Eine die wiederholt verwendbare lichtempfindliche SchichtA photosensitive layer which can be used repeatedly
—4-—4-
009884/1908009884/1908
tragende Trommel 3,beispielsweise mit einer Selen-Beschichtung, ist mit ihrer Welle 2 drehbar in Lagern 1 gelagert und dreht sich in Pfeilrichtung (Fig. 2). Eine Reinigungsbürste 4 ist mit ihrer Welle 6 drehbar in lagern 5 gelagert und rotiert unter Berührung und gleichsinnig mit der Trommel 3» so daß eine hohe relative Umfangsgeschwindigkeit entsteht. Die Borsten der Bürste können aus Kaninchenfell, Federn oder ungezwirnten Seidenstoffen hergestellt sein.supporting drum 3, for example with a selenium coating, is rotatably mounted with its shaft 2 in bearings 1 and rotates in the direction of the arrow (Fig. 2). One Cleaning brush 4 is rotatably mounted with its shaft 6 in bearings 5 and rotates with contact and in the same direction with the drum 3 »so that a high relative peripheral speed arises. The bristles of the brush can be made of rabbit fur, feathers or untwisted silk be made.
Eine Einrichtung 7 zum Reinigen dieser Reinigungsbürste ist seitlich neben der Bürste 4 angeordnet. Die Reinigungseinrichtung 7 weist eine drehbar in Lagern 8 gelagerte metallene Welle 9 auf, mit mehreren im Winkel zu ihrer Achse darauf angeordneten Scheiben 10, die mit Teilen ihrer Ränder zwischen die Borsten der Reinigungsbürste 4 ragen und diese berühren. Die Reinigungseinrichtung 7 ist über einen aus den Zahnrädern 11 und 12 und 13 gebildeten Zahnradsatz gleichsinnig mit der Reinigungsbürste 4 angetrieben,· so daß eine hohe Relativgeschwindigkeit zwischen der Bürste und der Reinigungseinrichtung 7 entsteht. Die Scheiben 10 bestehen aus Metall, Plastikmaterial od. dergl., und vorzugsweise aus Aluminiumblech, insgesamt also aus einem Material, welches härter ist als die Borsten der Reinigungsbürste 4.A device 7 for cleaning this cleaning brush is arranged laterally next to the brush 4. The cleaning facility 7 has a metal shaft 9 rotatably supported in bearings 8, with several at an angle to its axis disks 10 arranged thereon, which protrude with parts of their edges between the bristles of the cleaning brush 4 and touch them. The cleaning device 7 is via a gear set formed from the gear wheels 11 and 12 and 13 driven in the same direction as the cleaning brush 4, so that there is a high relative speed between the brush and the cleaning device 7. The disks 10 are made of metal, plastic material or the like., and preferably made of aluminum sheet, so overall made of a material which is harder than the bristles of the Cleaning brush 4.
-5--5-
009884/1908009884/1908
Die Winkelstellungen der Scheiben 10 gegenüber der gungsbürste 4 werden aus Pig. 3 ersiehtlich. Hierbei sei die Scheibe 10 zunächst nach links geneigt angenommen (Pig, 3-a). Bei Drehung der Scheibe 10 um 90° verändert sich die Winkelstellung der Scheibe 10 gegenüber der Reinigungsbürste 4 soweit, daß der entsprechende Radius _t der Scheibe 10 nunmehr senkrecht zur Achse der Welle 9 verläuft (Pig. 3-b). Bei Weiterdrehung um 90° taumelt die — Scheibe 10 nach rechts (Pig. 3-c). Bei erneuter Weiterdrehung um weitere 90 verläuft wiederum ein Radius J, der Scheibe senkrecht zur Achse der Welle 9 (Pig· 3-d), und bei Drehung um weitere 90° kehrt die Scheibe 10 in ihre Ausgangsstellung zurück (Pig. 3-e).The angular positions of the discs 10 relative to the Brush 4 are made from Pig. 3 can be seen. Here, the disk 10 is initially assumed to be inclined to the left (Pig, 3-a). When the disk 10 is rotated by 90 °, the angular position of the disk 10 relative to the cleaning brush 4 changes to such an extent that the corresponding radius _t the disk 10 now runs perpendicular to the axis of the shaft 9 (Pig. 3-b). If you turn it further by 90 °, the - Disk 10 to the right (Pig. 3-c). When turning again A radius J again runs another 90, the disk perpendicular to the axis of the shaft 9 (Pig · 3-d), and when it rotates the disk 10 returns to its starting position by a further 90 ° (Pig. 3-e).
Aus dem Vorstehenden wird ersiehtlich, daß die Scheiben ihre Winkelstellung gegenüber der Bürste 4 im Maße der gestrichelten Darstellung in Pig. 1 ändern, da sie nicht nur rotieren, sondern dabei eine axiale Taumelbewegung in bezug auf die mit ihr in Berührung stehende Reinigungsbürste 4 ausführen. Durch diese in Umfangsrichtung und axial verlaufende Bewegung jeder der Scheiben 10 ist ein vollständiges Entfernen des an der Bürste 4 haftenden Toners und sein Abfallen durch sein eigenes Gewicht erzielbar. Der Winkel der Scheibe 10 gegenüber der Reinigungsbürste ändert sich in einem solchen Maße, daß das Anlegen an deren Borsten und das Abheben von diesen nur ganz allmählichFrom the foregoing it can be seen that the disks their angular position relative to the brush 4 to the extent of the dashed representation in Pig. 1 change, since they not only rotate, but also perform an axial wobbling movement with respect to the cleaning brush 4 in contact with it. As a result of this circumferential and axial movement of each of the disks 10, complete removal of the toner adhering to the brush 4 and its falling off by its own weight can be achieved. The angle of the disc 10 with respect to the cleaning brush changes to such an extent that the application of the bristles and the lifting of them only very gradually
■'■■■'■ ' '■.'.. : -6- ■ ■:. 009084/1908■ '■■■' ■ '' ■. '..: -6- ■ ■ :. 009084/1908
erfolgt. Somit ähnelt die Bewegung der Borsten einer langsamen peristaltischen Bewegung. Die Borsten der Reinigungsbürste 4- werden also nicht plötzlich niedergebogen und wieder freigegeben. Dadurch ist eine starke Abnutzung der Borstenspitzen der Bürste 4 vermieden und der von der Bürste 4 abgestreifte Toner fällt glatt entlang den seitlichen Flächen der Scheiben 10 ab und wird nicht umhergeschleudert. ■he follows. Thus the movement of the bristles resembles a slow peristaltic movement. The bristles of the cleaning brush 4- are not suddenly bent down and released again. As a result, there is heavy wear and tear the bristle tips of the brush 4 avoided and that of the Brush 4 stripped toner falls smoothly along the side Surfaces of the disks 10 and is not thrown around. ■
Wie aus der vorstehenden Beschreibung hervorgeht, schafft die Erfindung eine Einrichtung zum Reinigen einer wiederholt verwendbaren lichtempfindlichen Schicht bei einem elektrofotografischen Verfahren von anhaftendem Toner, mit einer rotierenden Reinigungsbürste zum Entfernen des Toners von der lichtempfindlichen Schicht und einer Einrichtung zum Reinigen der Bürste von anhaftendem Toner mit mehreren im Winkel zu dieser auf einer drehbaren Welle angeordneten Scheiben, die mit Teilen ihrer Ränder zwischen die Borsten der Bürste ragen, so daß der an der Bürste haftende Toner durch die umlaufende und axiale Bewegung der. Scheibenränder abstreifbar ist. Dabei wird das plötzliche Niederbiegen und Zurückfedern der Borsten vermieden, und dadurch da's Umherschleudern des Tonera wirksam verhindert.As can be seen from the foregoing description, the invention provides an apparatus for cleaning a repetitive usable photosensitive layer in an electrophotographic process of adhering toner, with a rotating cleaning brush for removing the toner from the photosensitive layer and a device for Cleaning the brush of adhering toner with several arranged at an angle to this on a rotatable shaft Discs with parts of their edges protruding between the bristles of the brush, so that the toner adhering to the brush due to the circumferential and axial movement of the. Disc edges can be wiped off. Thereby the sudden bending down becomes and springing back of the bristles is avoided, thereby effectively preventing the toner from being flung around.
Patentanspruch:Claim:
-7-009884/1908 -7-009884 / 1908
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1969060108U JPS4825134Y1 (en) | 1969-06-24 | 1969-06-24 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2030962A1 true DE2030962A1 (en) | 1971-01-21 |
| DE2030962B2 DE2030962B2 (en) | 1973-05-03 |
| DE2030962C3 DE2030962C3 (en) | 1973-11-29 |
Family
ID=13132565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2030962A Expired DE2030962C3 (en) | 1969-06-24 | 1970-06-23 | Cleaning device for electrophotography |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3644959A (en) |
| JP (1) | JPS4825134Y1 (en) |
| DE (1) | DE2030962C3 (en) |
| FR (1) | FR2051212A5 (en) |
| GB (1) | GB1280927A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3305046A1 (en) * | 1982-02-15 | 1983-08-25 | Konishiroku Photo Industry Co., Ltd., Tokyo | BRUSH CLEANING DEVICE FOR ELECTROPHOTOGRAPHIC REPLACEMENT DEVICES |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3883292A (en) * | 1973-05-29 | 1975-05-13 | Xerox Corp | Sleeveless pressure roll cleaner |
| DE2706599C2 (en) * | 1977-02-16 | 1982-12-23 | Siemens AG, 1000 Berlin und 8000 München | Cleaning device for an intermediate carrier in a printer or copier that works according to the electrostatic principle |
| US4172303A (en) * | 1978-04-03 | 1979-10-30 | Eastman Kodak Company | Cleaning station |
| US4213794A (en) * | 1979-03-12 | 1980-07-22 | Eastman Kodak Company | Cleaning station |
| JPS5722767U (en) * | 1980-07-14 | 1982-02-05 | ||
| US5436713A (en) * | 1993-08-20 | 1995-07-25 | Xerox Corporation | Apparatus for removing residual developer material from a surface of a printing machine |
| DE19920250C2 (en) * | 1999-05-03 | 2001-10-11 | Wandres Micro Cleaning | Device for cleaning surfaces |
| JP2010169993A (en) * | 2009-01-26 | 2010-08-05 | Kyocera Mita Corp | Cleaning device and image forming apparatus with the device |
| CN111185414A (en) * | 2019-12-30 | 2020-05-22 | 重庆市和鑫达电子有限公司 | Integrated circuit copper plate dust collector |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE434124C (en) * | 1923-06-14 | 1926-09-20 | Linotype Machinery Ltd | Device for washing the plate cylinder in rotary printing machines, for example rotary rubber printing machines |
| DE592363C (en) * | 1931-12-13 | 1934-02-06 | Josef Baer | Automatic brush cleaning machine |
| US3089415A (en) * | 1961-11-24 | 1963-05-14 | Elmer C Grembecki | Means for cleaning the cylindrical surface of printing press blanket roller |
| US3534427A (en) * | 1968-03-18 | 1970-10-20 | Xerox Corp | Cleaning apparatus for electrostatic printing machines |
-
1969
- 1969-06-24 JP JP1969060108U patent/JPS4825134Y1/ja not_active Expired
-
1970
- 1970-06-10 GB GB28105/70A patent/GB1280927A/en not_active Expired
- 1970-06-17 US US47098A patent/US3644959A/en not_active Expired - Lifetime
- 1970-06-23 FR FR7023132A patent/FR2051212A5/fr not_active Expired
- 1970-06-23 DE DE2030962A patent/DE2030962C3/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3305046A1 (en) * | 1982-02-15 | 1983-08-25 | Konishiroku Photo Industry Co., Ltd., Tokyo | BRUSH CLEANING DEVICE FOR ELECTROPHOTOGRAPHIC REPLACEMENT DEVICES |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2030962C3 (en) | 1973-11-29 |
| US3644959A (en) | 1972-02-29 |
| DE2030962B2 (en) | 1973-05-03 |
| JPS4825134Y1 (en) | 1973-07-23 |
| GB1280927A (en) | 1972-07-12 |
| FR2051212A5 (en) | 1971-04-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| 8339 | Ceased/non-payment of the annual fee |