US3728016A - Cleaning apparatus for electrostatic copy devices - Google Patents

Cleaning apparatus for electrostatic copy devices Download PDF

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Publication number
US3728016A
US3728016A US00210889A US3728016DA US3728016A US 3728016 A US3728016 A US 3728016A US 00210889 A US00210889 A US 00210889A US 3728016D A US3728016D A US 3728016DA US 3728016 A US3728016 A US 3728016A
Authority
US
United States
Prior art keywords
wiper
plate
electrostatic
toner
charged toner
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.)
Expired - Lifetime
Application number
US00210889A
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English (en)
Inventor
W Harbour
C Queener
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.)
Filing date
Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of US3728016A publication Critical patent/US3728016A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • 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
    • G03G21/0011—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 blade; Details of cleaning blades, e.g. blade shape, layer forming
    • G03G21/0023—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 blade; Details of cleaning blades, e.g. blade shape, layer forming with electric bias

Definitions

  • FIG. 1 is a schematic illustration of a conventional electrostatic reproduction apparatus incorporating the cleaning apparatus of the present invention.
  • FIG. 3 is a schematic pictorial illustration of the mountingmeansfor the foam wiper of the cleaning ap paratus of the present invention.v

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Cleaning In Electrography (AREA)
US00210889A 1971-12-22 1971-12-22 Cleaning apparatus for electrostatic copy devices Expired - Lifetime US3728016A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21088971A 1971-12-22 1971-12-22

Publications (1)

Publication Number Publication Date
US3728016A true US3728016A (en) 1973-04-17

Family

ID=22784709

Family Applications (1)

Application Number Title Priority Date Filing Date
US00210889A Expired - Lifetime US3728016A (en) 1971-12-22 1971-12-22 Cleaning apparatus for electrostatic copy devices

Country Status (13)

Country Link
US (1) US3728016A (de)
JP (1) JPS5225256B2 (de)
AR (1) AR195401A1 (de)
BE (1) BE792642A (de)
BR (1) BR7209024D0 (de)
CA (1) CA989465A (de)
CH (1) CH539284A (de)
DE (1) DE2262027C3 (de)
ES (1) ES409646A1 (de)
FR (1) FR2165491A5 (de)
GB (1) GB1375630A (de)
IT (1) IT967831B (de)
NL (1) NL7215313A (de)

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3792925A (en) * 1973-01-29 1974-02-19 Sperry Rand Corp Preloading web cleaner
US3807853A (en) * 1972-08-09 1974-04-30 Xerox Corp Electrophotographic cleaning apparatus
JPS503636A (de) * 1973-05-14 1975-01-16
US3884572A (en) * 1972-12-26 1975-05-20 Ibm Cleaning apparatus
US3918808A (en) * 1972-12-21 1975-11-11 Ricoh Kk Photoreceptor cleaning device for electrophotographic copying apparatus of the dry cleaning agent type
US3927937A (en) * 1972-11-10 1975-12-23 Rank Xerox Ltd Cleaning assembly for an electrostatographic device
US3940238A (en) * 1974-06-24 1976-02-24 Xerox Corporation Cleaning structure for an elastomeric fuser member
US3941472A (en) * 1972-08-21 1976-03-02 Ricoh Co., Ltd. Photosensitive drum for electrophotographic copying machines
US3973845A (en) * 1975-01-15 1976-08-10 Xerox Corporation Method of reducing friction in blade cleaning of imaging surfaces
US3980494A (en) * 1975-01-02 1976-09-14 Beatty Charles L Method of reducing friction in blade cleaning of imaging surfaces
US3982830A (en) * 1974-12-06 1976-09-28 International Business Machines Corporation Magnetic bead carryout reduction by altering the developer's bias voltage
US4154522A (en) * 1976-08-20 1979-05-15 Ricoh Company, Ltd. Electrostatographic apparatus comprising improved drum cleaning means
US4278342A (en) * 1979-09-04 1981-07-14 International Business Machines Corporation Xerographic charging
US4571066A (en) * 1983-07-25 1986-02-18 Ricoh Company, Ltd. Electrophotographic copying apparatus including method of formation of toner transport grid used as a part of drum cleaning system
US4572655A (en) * 1983-07-25 1986-02-25 Ricoh Systems, Inc. Electrophotographic copying apparatus and method of use including electrostatic toner recycling procedure
US4763168A (en) * 1983-03-02 1988-08-09 Xerox Corporation Reproducing apparatus including toner removal apparatus utilizing electrostatic attraction
US4764790A (en) * 1986-05-30 1988-08-16 Mita Industrial Co., Ltd. Method for cleaning photoreceptor of image forming apparatus
US4875081A (en) * 1988-10-24 1989-10-17 Xerox Corporation Electrophotographic device having a.c. biased cleaning member
US5121167A (en) * 1990-06-27 1992-06-09 Xerox Corporation Sweep and vacuum xerographic cleaning method and apparatus
US5124757A (en) * 1990-06-25 1992-06-23 Minolta Camera Kabushiki Kaisha Image forming method and apparatus including treatment and collection of residual developer
WO1993005449A1 (en) * 1991-09-05 1993-03-18 Indigo N.V. Liquid toner developing apparatus
US5530537A (en) * 1994-09-15 1996-06-25 Xerox Corporation Biased foam roll cleaner
US5597419A (en) * 1994-12-17 1997-01-28 Xerox Corporation Slow brush rotation in standby to avoid brush flat spots
US5797065A (en) * 1990-03-19 1998-08-18 Kabushiki Kaisha Toshiba Electrophotographic recording apparatus
US5937251A (en) * 1997-02-27 1999-08-10 Brother Kogyo Kabushiki Kaisha Developing device and image forming apparatus
US20080181690A1 (en) * 2007-01-29 2008-07-31 Kabushiki Kaisha Toshiba Cleaning device and image forming apparatus using the same

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5630845Y2 (de) * 1974-09-10 1981-07-22
JPS5921036B2 (ja) * 1974-09-28 1984-05-17 株式会社リコー 静電記録装置
JPS53102057U (de) * 1977-01-21 1978-08-17
JPS53103157U (de) * 1977-01-25 1978-08-19
JPS5817956B2 (ja) * 1978-09-22 1983-04-11 株式会社東芝 電子写真装置
JPS5834476A (ja) * 1981-08-24 1983-02-28 Konishiroku Photo Ind Co Ltd 現像剤クリ−ニング装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3438706A (en) * 1966-10-07 1969-04-15 Canon Kk Electrophotographic device
US3552850A (en) * 1968-02-01 1971-01-05 Xerox Corp Lubricated blade cleaning of imaging photoconductive members
US3572923A (en) * 1968-08-26 1971-03-30 Xerox Corp Cleaning method and apparatus for electrostatic copying machines

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3438706A (en) * 1966-10-07 1969-04-15 Canon Kk Electrophotographic device
US3552850A (en) * 1968-02-01 1971-01-05 Xerox Corp Lubricated blade cleaning of imaging photoconductive members
US3572923A (en) * 1968-08-26 1971-03-30 Xerox Corp Cleaning method and apparatus for electrostatic copying machines

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3807853A (en) * 1972-08-09 1974-04-30 Xerox Corp Electrophotographic cleaning apparatus
US3941472A (en) * 1972-08-21 1976-03-02 Ricoh Co., Ltd. Photosensitive drum for electrophotographic copying machines
US3927937A (en) * 1972-11-10 1975-12-23 Rank Xerox Ltd Cleaning assembly for an electrostatographic device
US3918808A (en) * 1972-12-21 1975-11-11 Ricoh Kk Photoreceptor cleaning device for electrophotographic copying apparatus of the dry cleaning agent type
US3884572A (en) * 1972-12-26 1975-05-20 Ibm Cleaning apparatus
US3792925A (en) * 1973-01-29 1974-02-19 Sperry Rand Corp Preloading web cleaner
JPS5625672B2 (de) * 1973-05-14 1981-06-13
JPS503636A (de) * 1973-05-14 1975-01-16
US3940238A (en) * 1974-06-24 1976-02-24 Xerox Corporation Cleaning structure for an elastomeric fuser member
US3982830A (en) * 1974-12-06 1976-09-28 International Business Machines Corporation Magnetic bead carryout reduction by altering the developer's bias voltage
US3980494A (en) * 1975-01-02 1976-09-14 Beatty Charles L Method of reducing friction in blade cleaning of imaging surfaces
US3973845A (en) * 1975-01-15 1976-08-10 Xerox Corporation Method of reducing friction in blade cleaning of imaging surfaces
US4154522A (en) * 1976-08-20 1979-05-15 Ricoh Company, Ltd. Electrostatographic apparatus comprising improved drum cleaning means
US4278342A (en) * 1979-09-04 1981-07-14 International Business Machines Corporation Xerographic charging
US4763168A (en) * 1983-03-02 1988-08-09 Xerox Corporation Reproducing apparatus including toner removal apparatus utilizing electrostatic attraction
US4571066A (en) * 1983-07-25 1986-02-18 Ricoh Company, Ltd. Electrophotographic copying apparatus including method of formation of toner transport grid used as a part of drum cleaning system
US4572655A (en) * 1983-07-25 1986-02-25 Ricoh Systems, Inc. Electrophotographic copying apparatus and method of use including electrostatic toner recycling procedure
US4764790A (en) * 1986-05-30 1988-08-16 Mita Industrial Co., Ltd. Method for cleaning photoreceptor of image forming apparatus
US4875081A (en) * 1988-10-24 1989-10-17 Xerox Corporation Electrophotographic device having a.c. biased cleaning member
US5797065A (en) * 1990-03-19 1998-08-18 Kabushiki Kaisha Toshiba Electrophotographic recording apparatus
US5124757A (en) * 1990-06-25 1992-06-23 Minolta Camera Kabushiki Kaisha Image forming method and apparatus including treatment and collection of residual developer
US5121167A (en) * 1990-06-27 1992-06-09 Xerox Corporation Sweep and vacuum xerographic cleaning method and apparatus
US5289238A (en) * 1991-09-05 1994-02-22 Spectrum Sciences B.V. Liquid toner developing apparatus having metal blade with insulating coating in contact with developing roller
WO1993005449A1 (en) * 1991-09-05 1993-03-18 Indigo N.V. Liquid toner developing apparatus
US5530537A (en) * 1994-09-15 1996-06-25 Xerox Corporation Biased foam roll cleaner
US5597419A (en) * 1994-12-17 1997-01-28 Xerox Corporation Slow brush rotation in standby to avoid brush flat spots
US5937251A (en) * 1997-02-27 1999-08-10 Brother Kogyo Kabushiki Kaisha Developing device and image forming apparatus
US20080181690A1 (en) * 2007-01-29 2008-07-31 Kabushiki Kaisha Toshiba Cleaning device and image forming apparatus using the same
US7720426B2 (en) * 2007-01-29 2010-05-18 Kabushiki Kaisha Toshiba Cleaning device and image forming apparatus using the same

Also Published As

Publication number Publication date
BR7209024D0 (pt) 1973-09-20
JPS5225256B2 (de) 1977-07-06
AR195401A1 (es) 1973-10-08
DE2262027B2 (de) 1974-06-27
CH539284A (de) 1973-07-15
FR2165491A5 (de) 1973-08-03
CA989465A (en) 1976-05-18
JPS4871650A (de) 1973-09-27
DE2262027A1 (de) 1973-06-28
DE2262027C3 (de) 1975-02-13
BE792642A (fr) 1973-03-30
GB1375630A (de) 1974-11-27
NL7215313A (de) 1973-06-26
ES409646A1 (es) 1976-01-01
IT967831B (it) 1974-03-11

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