JPS56149079A - Cleaning device - Google Patents

Cleaning device

Info

Publication number
JPS56149079A
JPS56149079A JP5341480A JP5341480A JPS56149079A JP S56149079 A JPS56149079 A JP S56149079A JP 5341480 A JP5341480 A JP 5341480A JP 5341480 A JP5341480 A JP 5341480A JP S56149079 A JPS56149079 A JP S56149079A
Authority
JP
Japan
Prior art keywords
magnetic pole
magnetic
sleeve
toner
scattering
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.)
Pending
Application number
JP5341480A
Other languages
Japanese (ja)
Inventor
Hatsuo Tajima
Nagao Hosono
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP5341480A priority Critical patent/JPS56149079A/en
Publication of JPS56149079A publication Critical patent/JPS56149079A/en
Pending 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
    • 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
    • G03G21/0047—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 electrostatic or magnetic means; Details thereof, e.g. magnetic pole arrangement of magnetic devices

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)

Abstract

PURPOSE:To prevent the toner from scattering by disposing the magnetic pole of a magnetic capturing means in the position upper than the nearest positoin of an electrostatic image holding member and the magnetic capturing means. CONSTITUTION:The magnetic pole S1 opposing to an image holding body 2 is disposed in the position upper than the point P of the nearest position of the body 2 and a nonmagnetic sleeve 6. Namely, the toner 3 on the body 2 moves together with the body 2 rotating in the direction of an arrow (a), and even if it leaves from the body 2 owing to the effect of magnetic force by approaching to the magnetic pole S1, the magnetic pole S1 is disposed in the position upper than the minimum spacing position P point of the body 2 and the sleeve 6 and therefore it is not captured by the sleeve 6 and hardly spills downward. For the toner scraped off by a blade 5, too, the spilling to below the cleaning device 4 and scattering do not occur.
JP5341480A 1980-04-22 1980-04-22 Cleaning device Pending JPS56149079A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5341480A JPS56149079A (en) 1980-04-22 1980-04-22 Cleaning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5341480A JPS56149079A (en) 1980-04-22 1980-04-22 Cleaning device

Publications (1)

Publication Number Publication Date
JPS56149079A true JPS56149079A (en) 1981-11-18

Family

ID=12942166

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5341480A Pending JPS56149079A (en) 1980-04-22 1980-04-22 Cleaning device

Country Status (1)

Country Link
JP (1) JPS56149079A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS581175A (en) * 1981-06-26 1983-01-06 Hitachi Ltd Toner cleaning device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS581175A (en) * 1981-06-26 1983-01-06 Hitachi Ltd Toner cleaning device

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