JPS5737380A - Developing device - Google Patents

Developing device

Info

Publication number
JPS5737380A
JPS5737380A JP11368580A JP11368580A JPS5737380A JP S5737380 A JPS5737380 A JP S5737380A JP 11368580 A JP11368580 A JP 11368580A JP 11368580 A JP11368580 A JP 11368580A JP S5737380 A JPS5737380 A JP S5737380A
Authority
JP
Japan
Prior art keywords
toner
scraper
sleeve
hopper
partitioning member
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
JP11368580A
Other languages
Japanese (ja)
Inventor
Akihiko Takeuchi
Masaharu Okubo
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 JP11368580A priority Critical patent/JPS5737380A/en
Publication of JPS5737380A publication Critical patent/JPS5737380A/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
    • 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

Landscapes

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

Abstract

PURPOSE:To coat a sleeve surface with toner to uniform thickness without uneveness, by forming a toner application room, separated from the inside of a hopper by a partitioning member and a scraper, in front of a blade in a toner moving direction. CONSTITUTION:An inverted-L-shaped partitioning member 11 pveventing toner weight in a hopper from being applied onto a sleeve is provided in front of a blade 7 in a toner moving direction; and to the lower end of the partitioning member, a scraper 12 is fitted and a toner application room 13 separated from the inside of the hopper is formed over the sleeve by the blade 7, partitioning member and scraper 12. Toner 6 in the hopper 4 is carried according to the rotation of the sleeve 2 and scraped off temporarily by the scraper 12, and the scraped toner enters the toner application room 13 through the hole 14 of the scraper 12. Consequently, a small quantity of toner is stirred well in the application room to apply the toner onto the sleeve surface to uniform thickness without unevenness.
JP11368580A 1980-08-19 1980-08-19 Developing device Pending JPS5737380A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11368580A JPS5737380A (en) 1980-08-19 1980-08-19 Developing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11368580A JPS5737380A (en) 1980-08-19 1980-08-19 Developing device

Publications (1)

Publication Number Publication Date
JPS5737380A true JPS5737380A (en) 1982-03-01

Family

ID=14618575

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11368580A Pending JPS5737380A (en) 1980-08-19 1980-08-19 Developing device

Country Status (1)

Country Link
JP (1) JPS5737380A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1096331A2 (en) * 1999-10-26 2001-05-02 Canon Kabushiki Kaisha Developing device, process cartridge and electrophotographic image forming apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1096331A2 (en) * 1999-10-26 2001-05-02 Canon Kabushiki Kaisha Developing device, process cartridge and electrophotographic image forming apparatus
EP1096331A3 (en) * 1999-10-26 2002-06-05 Canon Kabushiki Kaisha Developing device, process cartridge and electrophotographic image forming apparatus
US6466759B1 (en) 1999-10-26 2002-10-15 Canon Kabushiki Kaisha Developing device, process cartridge with developer blocking member, and electrophotographic image forming apparatus using the same

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