DE3671551D1 - Kontaktlose entwicklerdichtung. - Google Patents

Kontaktlose entwicklerdichtung.

Info

Publication number: DE3671551D1
Authority: DE; Germany
Prior art keywords: contactless; developer; gasket; developer gasket; contactless developer
Prior art date: 1985-09-05
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.): Expired - Lifetime

Application number

DE8686110797T

Other languages

English (en)

Inventor

James Michael Adley

Phillip Nmn Chang

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.)

International Business Machines Corp

Original Assignee

International Business Machines Corp

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.)

1985-09-05

Filing date

1986-08-05

Publication date

1990-06-28

1986-08-05 Application filed by International Business Machines Corp filed Critical International Business Machines Corp

1990-06-28 Application granted granted Critical

1990-06-28 Publication of DE3671551D1 publication Critical patent/DE3671551D1/de

2006-08-06 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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
- 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
- G03G21/007—Arrangement or disposition of parts of the cleaning unit

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Magnetic Brush Developing In Electrophotography (AREA)
Dry Development In Electrophotography (AREA)

DE8686110797T 1985-09-05 1986-08-05 Kontaktlose entwicklerdichtung. Expired - Lifetime DE3671551D1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/772,806 US4616919A (en)	1985-09-05	1985-09-05	Non-contact developer seal

Publications (1)

Publication Number	Publication Date
DE3671551D1 true DE3671551D1 (de)	1990-06-28

Family

ID=25096291

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE8686110797T Expired - Lifetime DE3671551D1 (de)	1985-09-05	1986-08-05	Kontaktlose entwicklerdichtung.

Country Status (4)

Country	Link
US (1)	US4616919A (de)
EP (1)	EP0216093B1 (de)
JP (1)	JPS6256975A (de)
DE (1)	DE3671551D1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4843421A (en) *	1988-06-24	1989-06-27	Xerox Corporation	System for priming the magnetic brush end seals of copier/printer machines
JPH04136965A (ja) *	1990-09-28	1992-05-11	Canon Inc	現像装置
US5138382A (en) *	1991-03-27	1992-08-11	Xerox Corporation	Apparatus and method for creating a developer housing seal via a curtain of carrier beads
US5216467A (en) *	1992-01-30	1993-06-01	Xerox Corporation	Brush-based carrier bead removal device for a developer housing in a xerographic apparatus
US5450169A (en) *	1994-06-23	1995-09-12	Xerox Corporation	Multi-lobe magnetic seals
US5442423A (en) *	1994-06-23	1995-08-15	Xerox Corporation	External development housing bearings
US5552864A (en) *	1995-01-17	1996-09-03	Xerox Corporation	Magnetic seal with tapered shunts
DE19540138C1 (de) *	1995-10-27	1996-12-05	Siemens Nixdorf Inf Syst	Entwicklerstation mit mehreren nebeneinander angeordneten Entwicklerkammern
US5758230A (en) *	1995-11-10	1998-05-26	Mita Industrial Co., Ltd.	Device for developing electrostatic latent image
US5809386A (en) *	1995-12-25	1998-09-15	Ricoh Company, Ltd.	Developing device for an image forming apparatus
US6341206B1 (en) *	1999-06-10	2002-01-22	Matsushita Electric Industrial Co., Ltd.	Image developing apparatus having developer seal
US6487383B2 (en)	2001-04-12	2002-11-26	Lexmark International, Inc.	Dynamic end-seal for toner development unit
JP2003065689A (ja) *	2001-08-24	2003-03-05	Furukawa Electric Co Ltd:The	密閉型冷却装置
US6553195B2 (en)	2001-09-27	2003-04-22	Kurt Matthew Korfhage	Dynamic end seal for image forming apparatus
US7324775B2 (en) *	2004-03-08	2008-01-29	Seiko Epson Corporation	Image forming apparatus having developing device with sealing members and method of manufacture
US7623807B2 (en) *	2005-12-15	2009-11-24	Lexmark International, Inc.	Dynamic seal for component surfaces
US8099012B2 (en) *	2007-12-18	2012-01-17	Lexmark International, Inc.	Developer roll lip seal
US8116657B2 (en) *	2007-12-18	2012-02-14	Lexmark International, Inc.	Upper seal for inhibiting doctor blade toner leakage
US8644725B2 (en)	2011-05-18	2014-02-04	Lexmark International, Inc.	Multiple stiffness seal for imaging component surfaces
JP5861679B2 (ja) *	2013-09-02	2016-02-16	コニカミノルタ株式会社	現像装置および画像形成装置
US10831131B1 (en) *	2019-10-01	2020-11-10	Lexmark International, Inc.	Developer unit assembly for restricting movement of a developer roll end seal in an electrophotographic image forming device

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE651786A (de) *	1963-08-13
NL6411125A (de) *	1963-09-25	1965-03-26
US3635196A (en) *	1969-12-30	1972-01-18	Xerox Corp	Pneumatically controlled seal
US3647293A (en) *	1970-12-01	1972-03-07	Ibm	Copying system featuring combined developing-cleaning station alternately activated
US3830646A (en) *	1972-11-03	1974-08-20	Xerox Corp	Image registration correction for non-impact printers
US4168901A (en) *	1975-01-21	1979-09-25	Canon Kabushiki Kaisha	Developer housing sealing device for electrophotography
US4258372A (en) *	1978-04-14	1981-03-24	Ricoh Company, Ltd.	Small clearance retention apparatus
DE2816621C3 (de) *	1978-04-17	1980-10-09	Lumoprint Zindler Kg (Gmbh & Co), 2000 Hamburg	Dichtungsanordnung in einer Entwicklungsvorrichtung eines Kopiergeräte
JPS5589874A (en) *	1978-12-28	1980-07-07	Fuji Xerox Co Ltd	Magnetic brush developing device
JPS55113074A (en) *	1979-02-24	1980-09-01	Konishiroku Photo Ind Co Ltd	Developing device for electrophotographic copier
JPS55113061A (en) *	1979-02-24	1980-09-01	Konishiroku Photo Ind Co Ltd	Scattering toner collector
US4261285A (en) *	1979-09-12	1981-04-14	Gerber Garment Technology, Inc.	Apparatus for applying substance to sheet material
US4304192A (en) *	1980-03-31	1981-12-08	Ricoh Company, Ltd.	Developer seal
JPH0116103Y2 (de) *	1980-08-28	1989-05-12
JPS582860A (ja) *	1981-06-29	1983-01-08	Canon Inc	画像形成装置
JPS5953362U (ja) *	1982-10-01	1984-04-07	株式会社リコー	磁気ブラシ現像装置
US4575217A (en) *	1984-12-04	1986-03-11	Eastman Kodak Company	Apparatus for selectively sealing a discrete dielectric sheet developer station

1985
- 1985-09-05 US US06/772,806 patent/US4616919A/en not_active Expired - Lifetime
1986
- 1986-07-14 JP JP61163936A patent/JPS6256975A/ja active Granted
- 1986-08-05 DE DE8686110797T patent/DE3671551D1/de not_active Expired - Lifetime
- 1986-08-05 EP EP86110797A patent/EP0216093B1/de not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP0216093B1 (de)	1990-05-23
EP0216093A1 (de)	1987-04-01
US4616919A (en)	1986-10-14
JPS6256975A (ja)	1987-03-12
JPH0465378B2 (de)	1992-10-19

Publication	Publication Date	Title
DE3667188D1 (de)	1990-01-04	Dichtung.
DE3677172D1 (de)	1991-02-28	Dichtung.
FI864525L (fi)	1987-05-07	Foer reningssystem avsedd foerdelare foer fasta kemikalieblock.
DE3679041D1 (de)	1991-06-06	Elektrophotographisches entwicklungsgeraet.
DE3674271D1 (de)	1990-10-25	Dichtungsanordnung.
NO861095L (no)	1986-10-02	Tetningsinnretning.
DE3671551D1 (de)	1990-06-28	Kontaktlose entwicklerdichtung.
DE3685941D1 (de)	1992-08-13	Automatische entwickelvorrichtung.
DE3669791D1 (de)	1990-04-26	Kopiereinrichtung.
DE3689747D1 (de)	1994-05-05	Kapseltoner.
FI863114L (fi)	1987-01-31	En pappersmaskins inloppslaoda.
FI852736A0 (fi)	1985-07-10	Termosterbar kyvettenhet.
ATE45707T1 (de)	1989-09-15	Dichtungsanordnung.
DE3687827D1 (de)	1993-04-01	Kopiergeraet.
FI861697L (fi)	1986-10-28	Foerfarande foer framstaellning av fasta aluminiumkloridblandningar.
DE3671732D1 (de)	1990-07-12	Dichtung.
DE3671952D1 (de)	1990-07-19	Dichtung.
FI865142L (fi)	1987-06-24	Tvaerbindbara elastomerkompositioner.
NO862239D0 (no)	1986-06-05	Glideringstetning.
FI871055A0 (fi)	1987-03-11	Taendroer foer projektil.
FI863783A0 (fi)	1986-09-19	Nytt framstaellningsfoerfarande foer vaermebestaendig transglukosidas.
FI853841A0 (fi)	1985-10-03	Elektrisk bastuugn.
FI854932A0 (fi)	1985-12-12	Balningspress.
FI860149A0 (fi)	1986-01-13	Ro-ro-fartyg.
DE3672866D1 (de)	1990-08-30	Aufreissbares dosenteil.

Legal Events

Date	Code	Title	Description
1991-06-20	8364	No opposition during term of opposition
1993-08-05	8339	Ceased/non-payment of the annual fee