EP1102130A3 - Device for sealing a schaft bearing in developer units of electrographic reproduction machines - Google Patents

Device for sealing a schaft bearing in developer units of electrographic reproduction machines Download PDF

Info

Publication number
EP1102130A3
EP1102130A3 EP00124298A EP00124298A EP1102130A3 EP 1102130 A3 EP1102130 A3 EP 1102130A3 EP 00124298 A EP00124298 A EP 00124298A EP 00124298 A EP00124298 A EP 00124298A EP 1102130 A3 EP1102130 A3 EP 1102130A3
Authority
EP
European Patent Office
Prior art keywords
bearing
sealing
schaft
drive shaft
electrographic reproduction
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.)
Withdrawn
Application number
EP00124298A
Other languages
German (de)
French (fr)
Other versions
EP1102130A2 (en
Inventor
Christopher S. Garcia
Kenneth M. Patterson
Paul E. Thompson
Blaise P. Pelligra
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP1102130A2 publication Critical patent/EP1102130A2/en
Publication of EP1102130A3 publication Critical patent/EP1102130A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0896—Arrangements or disposition of the complete developer unit or parts thereof not provided for by groups G03G15/08 - G03G15/0894
    • G03G15/0898—Arrangements or disposition of the complete developer unit or parts thereof not provided for by groups G03G15/08 - G03G15/0894 for preventing toner scattering during operation, e.g. seals
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer

Abstract

Die vorliegende Erfindung betrifft eine Vorrichtung (70) zum Abdichten von Wellenlagern (62,64) in einer Entwicklerstation (10) einer elektrographischen Reproduktionseinrichtung, mit einem Gehäuse (12) das Entwicklermaterial (D) enthält, mit mindestens einer Antriebswelle (32, 42), die in einem Lager (62,64) gelagert ist, das in dem Gehäuse (12) angeordneten ist und eine Vielzahl von der Antriebswelle (32) zugeordneten Dichtungselementen (70a-70d), die in Richtung der Längsachse der Antriebswelle (32) vom Gehäuse (12) mit dem Entwicklermaterial (D) in Richtung des Lagers (62) zunehmend nach außen verlaufen und von denen mindestens eines mit der Antriebswelle (32) drehbar ist, während die angrenzenden Dichtungselemente ortsfest angeordnet sind.

Figure 00000001
The invention relates to a device (70) for sealing shaft bearings (62, 64) in a developer station (10) of an electrographic reproduction device, with a housing (12) containing developer material (D), with at least one drive shaft (32, 42) which is mounted in a bearing (62, 64) which is arranged in the housing (12) and a multiplicity of sealing elements (70a-70d) associated with the drive shaft (32) which extend in the direction of the longitudinal axis of the drive shaft (32) Housing (12) with the developer material (D) increasingly run outwards in the direction of the bearing (62) and at least one of which can be rotated with the drive shaft (32), while the adjacent sealing elements are arranged in a stationary manner.
Figure 00000001
EP00124298A 1999-11-19 2000-11-15 Device for sealing a schaft bearing in developer units of electrographic reproduction machines Withdrawn EP1102130A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US444181 1999-11-19
US09/444,181 US6295425B1 (en) 1999-11-19 1999-11-19 Seal assembly for electrographic reproduction apparatus development station

Publications (2)

Publication Number Publication Date
EP1102130A2 EP1102130A2 (en) 2001-05-23
EP1102130A3 true EP1102130A3 (en) 2002-05-02

Family

ID=23763837

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00124298A Withdrawn EP1102130A3 (en) 1999-11-19 2000-11-15 Device for sealing a schaft bearing in developer units of electrographic reproduction machines

Country Status (5)

Country Link
US (1) US6295425B1 (en)
EP (1) EP1102130A3 (en)
AU (1) AU4708101A (en)
DE (1) DE10056721A1 (en)
WO (1) WO2001044876A2 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4124992B2 (en) * 2001-10-25 2008-07-23 キヤノン株式会社 Toner supply container
JP4011411B2 (en) * 2002-06-07 2007-11-21 シャープ株式会社 Printing device
JP2004226695A (en) * 2003-01-23 2004-08-12 Ricoh Co Ltd Bearing seal structure of development device of image forming apparatuses, the development device, and the image forming apparatus
DE102007009190B4 (en) * 2007-02-26 2008-10-16 OCé PRINTING SYSTEMS GMBH Device and method for sealing a shaft against the passage of a toner mixture
JP6127881B2 (en) * 2013-09-30 2017-05-17 ブラザー工業株式会社 Development device
JP6287348B2 (en) * 2014-03-04 2018-03-07 コニカミノルタ株式会社 Toner conveying apparatus and image forming apparatus
JP6528481B2 (en) * 2015-03-16 2019-06-12 富士ゼロックス株式会社 Developer container and image forming apparatus
JP6743469B2 (en) * 2015-04-23 2020-08-19 株式会社リコー Powder transfer device, developing device, process cartridge, and image forming device
JP2018081196A (en) * 2016-11-16 2018-05-24 株式会社リコー Developing device, process cartridge, and image forming apparatus

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5857158A (en) * 1981-10-01 1983-04-05 Canon Inc Developing device
JPH02248974A (en) * 1989-03-22 1990-10-04 Ricoh Co Ltd Developing device for electrophotographic recorder
JPH0313977A (en) * 1989-06-13 1991-01-22 Canon Inc Developing device
JPH1165277A (en) * 1997-08-26 1999-03-05 Ricoh Co Ltd Toner cartridge

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4887132A (en) 1984-04-06 1989-12-12 Eastman Kodak Company Electrographic development apparatus having a ribbon blender
JP2892456B2 (en) * 1989-08-04 1999-05-17 キヤノン株式会社 Developing device
JP2899079B2 (en) * 1990-07-10 1999-06-02 キヤノン株式会社 Developing device
US5450169A (en) * 1994-06-23 1995-09-12 Xerox Corporation Multi-lobe magnetic seals
US5552864A (en) * 1995-01-17 1996-09-03 Xerox Corporation Magnetic seal with tapered shunts
US5742875A (en) * 1997-02-10 1998-04-21 Xerox Corporation Roll seal blade support for a xerographic development unit using magnetic toner
US5742876A (en) * 1997-03-03 1998-04-21 Xerox Corporation Donor roll configuration of a xerographic development unit using magnetic toner
JP3448188B2 (en) * 1997-07-23 2003-09-16 シャープ株式会社 Developer processing equipment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5857158A (en) * 1981-10-01 1983-04-05 Canon Inc Developing device
JPH02248974A (en) * 1989-03-22 1990-10-04 Ricoh Co Ltd Developing device for electrophotographic recorder
JPH0313977A (en) * 1989-06-13 1991-01-22 Canon Inc Developing device
JPH1165277A (en) * 1997-08-26 1999-03-05 Ricoh Co Ltd Toner cartridge

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 007, no. 146 (P - 206) 25 June 1983 (1983-06-25) *
PATENT ABSTRACTS OF JAPAN vol. 014, no. 577 (P - 1146) 21 December 1990 (1990-12-21) *
PATENT ABSTRACTS OF JAPAN vol. 015, no. 131 (P - 1186) 29 March 1991 (1991-03-29) *
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 08 30 June 1999 (1999-06-30) *

Also Published As

Publication number Publication date
DE10056721A1 (en) 2001-06-13
EP1102130A2 (en) 2001-05-23
AU4708101A (en) 2001-06-25
WO2001044876A2 (en) 2001-06-21
WO2001044876A3 (en) 2002-02-07
US6295425B1 (en) 2001-09-25

Similar Documents

Publication Publication Date Title
EP1170782B1 (en) Device for handling a disk-like workpiece
DE602004004560T2 (en) Mechanical seal
EP1102130A3 (en) Device for sealing a schaft bearing in developer units of electrographic reproduction machines
DE2255978A1 (en) MAGNETIC SCREEN DEVICE
BR8203073A (en) PROCESS FOR FORMING ABRASIVE GRAINS PROCESS FOR FORMING ABRASIVES HAVING ALPHA-ALUMIN GRAINS WITH A DIAMETER FROM 5,000 TO 200,000 THE SYNTERIZED ABRASIVE GRAIN COMPOSITION AND ABRASIVE GRAIN
DE3300830A1 (en) WET CLUTCH OR BRAKE IN A FLYWHEEL
EP0305010A3 (en) Apparatus for reading out a storage phosphor layer
DE2345827C2 (en) Device for developing a latent electrostatic image by means of a developer powder
EP0034659A1 (en) Control device for the machining load on lapping, honing and grinding machines
FR2695396B1 (en) ELASTOMER FORMING COMPOSITION AND METHOD FOR THE PRODUCTION THEREOF.
DE10196215B3 (en) Device for removing foreign material of the rotary valve type
DE1957286A1 (en) Polishing machine
EP0348659A2 (en) Roller bowl mill
DE19542563A1 (en) Device for sealing a protective hood of a mill body
ATE166264T1 (en) CASTING ROLL FOR CONTINUOUS CASTING WITH ONE OR TWO CASTING ROLLS
DE3121331C2 (en) Device for scanning a surface of a hot test part
DE2701799C2 (en) mixer
DE2736038C2 (en) Magnetic Brush Development Facility
EP0375876A3 (en) Separating apparatus
DE2241204A1 (en) MULTI-CYLINDER HYDRAULIC MACHINE
DE19947418B4 (en) Bearing element for the storage of top rollers of drafting systems
DE2412342A1 (en) MECHANICAL SEAL
DE2224624B2 (en) Developing device for electrostatic image recording
EP1050337A3 (en) Drum coater with forced recirculation of the material
EP0721828A2 (en) Cement-mixer truck

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

17P Request for examination filed

Effective date: 20020405

AKX Designation fees paid

Free format text: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20030602