JPS5632628B2 - - Google Patents

Info

Publication number
JPS5632628B2
JPS5632628B2 JP7215273A JP7215273A JPS5632628B2 JP S5632628 B2 JPS5632628 B2 JP S5632628B2 JP 7215273 A JP7215273 A JP 7215273A JP 7215273 A JP7215273 A JP 7215273A JP S5632628 B2 JPS5632628 B2 JP S5632628B2
Authority
JP
Japan
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
Application number
JP7215273A
Other languages
Japanese (ja)
Other versions
JPS4953444A (US07922777-20110412-C00004.png
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 filed Critical
Publication of JPS4953444A publication Critical patent/JPS4953444A/ja
Publication of JPS5632628B2 publication Critical patent/JPS5632628B2/ja
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/40—Sealings between relatively-moving surfaces by means of fluid
    • F16J15/43—Sealings between relatively-moving surfaces by means of fluid kept in sealing position by magnetic force
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/82—Arrangements for electrostatic or magnetic action against dust or other particles
    • 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
    • G03G15/09—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush
    • G03G15/0942—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush with means for preventing toner scattering from the magnetic brush, e.g. magnetic seals

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Dry Development In Electrophotography (AREA)
  • Sealing Devices (AREA)
  • Magnetic Brush Developing In Electrophotography (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
  • Sealing Of Bearings (AREA)
JP7215273A 1972-06-28 1973-06-26 Expired JPS5632628B2 (US07922777-20110412-C00004.png)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US26690572A 1972-06-28 1972-06-28

Publications (2)

Publication Number Publication Date
JPS4953444A JPS4953444A (US07922777-20110412-C00004.png) 1974-05-24
JPS5632628B2 true JPS5632628B2 (US07922777-20110412-C00004.png) 1981-07-29

Family

ID=23016475

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7215273A Expired JPS5632628B2 (US07922777-20110412-C00004.png) 1972-06-28 1973-06-26

Country Status (9)

Country Link
US (1) US3788275A (US07922777-20110412-C00004.png)
JP (1) JPS5632628B2 (US07922777-20110412-C00004.png)
BE (1) BE801242A (US07922777-20110412-C00004.png)
CA (1) CA973703A (US07922777-20110412-C00004.png)
DE (1) DE2255978A1 (US07922777-20110412-C00004.png)
FR (1) FR2191166B1 (US07922777-20110412-C00004.png)
GB (2) GB1438332A (US07922777-20110412-C00004.png)
IT (1) IT990692B (US07922777-20110412-C00004.png)
NL (1) NL7308988A (US07922777-20110412-C00004.png)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3991713A (en) * 1974-02-20 1976-11-16 Xerox Corporation Development apparatus for an electrostatographic printing machine
US4041903A (en) * 1974-05-21 1977-08-16 Konishiroku Photo Industry Co., Ltd. Developing device for use in electrophotography
JPS50149350A (US07922777-20110412-C00004.png) * 1974-05-21 1975-11-29
IT1003550B (it) * 1974-06-28 1976-06-10 Grafosol Spa Dispositivo di sostegno della matrice negli apparecchi a svi luppo elettrostatico
US3998184A (en) * 1975-03-20 1976-12-21 Xerox Corporation Development apparatus
JPS5815791B2 (ja) * 1975-04-07 1983-03-28 株式会社ケイアイピ− デンシフクシヤキニオケルゲンゾウソウチ
JPS5364525A (en) * 1976-11-22 1978-06-09 Fuji Xerox Co Ltd Magnetic brush developing device of electrostatic copying machine
JPS54103043A (en) * 1978-01-31 1979-08-14 Nippon Telegr & Teleph Corp <Ntt> Developer
JPS6312352Y2 (US07922777-20110412-C00004.png) * 1980-02-26 1988-04-08
JPS6237241Y2 (US07922777-20110412-C00004.png) * 1980-04-02 1987-09-22
JPS5829479Y2 (ja) * 1980-05-30 1983-06-28 東京航空計器株式会社 現像剤容器内回転体の軸受部の構造
GB2141049B (en) * 1983-06-08 1986-07-23 Xerox Corp Electrostatographic development apparatus
GB8315726D0 (en) * 1983-06-08 1983-07-13 Xerox Corp Electrostatographic development apparatus
JPS6054149U (ja) * 1983-09-20 1985-04-16 株式会社東芝 現像装置
ATE73915T1 (de) * 1988-02-17 1992-04-15 Freudenberg Carl Fa Dichtung.
US4843421A (en) * 1988-06-24 1989-06-27 Xerox Corporation System for priming the magnetic brush end seals of copier/printer machines
DE69033384T2 (de) * 1989-03-31 2000-05-11 Canon Kk Entwicklungsgerät
JP2892456B2 (ja) * 1989-08-04 1999-05-17 キヤノン株式会社 現像装置
GB2244762B (en) * 1990-06-08 1994-06-08 Xerox Corp Bearing assembly for a rotatable member
JP2899079B2 (ja) * 1990-07-10 1999-06-02 キヤノン株式会社 現像装置
US5267003A (en) * 1992-08-11 1993-11-30 Olivetti Supplies, Inc. Toner cartridge refilling seal using magnetic material
US5315354A (en) * 1993-04-23 1994-05-24 Xerox Corporation Carrier bead seal
US5442423A (en) * 1994-06-23 1995-08-15 Xerox Corporation External development housing bearings
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
US7156724B2 (en) * 2004-12-15 2007-01-02 Qed Technologies International, Inc. Method and apparatus for forming a dynamic magnetic seal using magnetorheological fluid
EP3504775A1 (en) 2016-08-23 2019-07-03 LORD Corporation Magnetic seal for magnetically-responsive devices, systems, and methods

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2809733A (en) * 1952-10-29 1957-10-15 Texas Instruments Inc Magnetic fluid seals in magnetic clutches
US2863538A (en) * 1954-10-22 1958-12-09 Eaton Mfg Co Permanent magnet seal
US2944843A (en) * 1957-08-08 1960-07-12 Magnetic Seal Corp Spring loaded seal
US2996162A (en) * 1958-04-07 1961-08-15 Henry C Lehde Devices for excluding magnetic particles from seals and bearings
US3254745A (en) * 1963-01-21 1966-06-07 Isakov Vladimir Olimpijevich Seal to protect the bearings of powder magnetic clutches or of similar devices against the ferromagnetic powder
BE792643A (fr) * 1971-12-17 1973-03-30 Ibm Dispositif de developpement electrophotographique

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
MACHINE DESIGN#V44#N13 *

Also Published As

Publication number Publication date
JPS4953444A (US07922777-20110412-C00004.png) 1974-05-24
NL7308988A (US07922777-20110412-C00004.png) 1974-01-02
FR2191166B1 (US07922777-20110412-C00004.png) 1977-05-13
CA973703A (en) 1975-09-02
FR2191166A1 (US07922777-20110412-C00004.png) 1974-02-01
GB1438332A (en) 1976-06-03
US3788275A (en) 1974-01-29
IT990692B (it) 1975-07-10
GB1438331A (en) 1976-06-03
DE2255978A1 (de) 1974-01-10
BE801242A (fr) 1973-12-21

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