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JPS5794764A - Developing device - Google Patents

Developing device

Info

Publication number
JPS5794764A
JPS5794764A JP17218280A JP17218280A JPS5794764A JP S5794764 A JPS5794764 A JP S5794764A JP 17218280 A JP17218280 A JP 17218280A JP 17218280 A JP17218280 A JP 17218280A JP S5794764 A JPS5794764 A JP S5794764A
Authority
JP
Japan
Prior art keywords
developer
plate
discharging port
container
developing device
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
JP17218280A
Other languages
Japanese (ja)
Inventor
Yoichi Ishii
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 JP17218280A priority Critical patent/JPS5794764A/en
Publication of JPS5794764A publication Critical patent/JPS5794764A/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
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0844—Arrangements for purging used developer from the developing unit

Landscapes

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

Abstract

PURPOSE:To collect the developer with no scattering of the developer, by scraping off the developer by means of a developer guide plate that touches the sleeve when the developer is collected and then transporting the scraped-off developer to a collecting container by means of a conveying screw for collection of the developer. CONSTITUTION:The developer discharging port of a developing device is sealed up with a sealing plate 18. A developer collecting container 20 is put into the developer discharging port part through a guide groove. Thus the plate 18 is pressed by the container 20 and opens. A developer guide plate 21 touches and detaches a sleeve in coupling to the movement of the plate 18. The developer scraped off by the plate 21 is transported to the discharging port by a conveying screw 15 to be collected into the container 20.
JP17218280A 1980-12-05 1980-12-05 Developing device Pending JPS5794764A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17218280A JPS5794764A (en) 1980-12-05 1980-12-05 Developing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17218280A JPS5794764A (en) 1980-12-05 1980-12-05 Developing device

Publications (1)

Publication Number Publication Date
JPS5794764A true JPS5794764A (en) 1982-06-12

Family

ID=15937090

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17218280A Pending JPS5794764A (en) 1980-12-05 1980-12-05 Developing device

Country Status (1)

Country Link
JP (1) JPS5794764A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60176450U (en) * 1984-04-28 1985-11-22 コニカ株式会社 developing device
JPS6323181A (en) * 1986-07-16 1988-01-30 Ricoh Co Ltd Developing device for copying machine
US4845523A (en) * 1984-09-11 1989-07-04 Sharp Kabushiki Kaisha A developing device for an electrophotographic copying machine
EP0556439A3 (en) * 1992-02-19 1994-04-20 Sharp Kk
JP2011123328A (en) * 2009-12-11 2011-06-23 Ricoh Co Ltd Developing device, process cartridge, and image forming apparatus

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60176450U (en) * 1984-04-28 1985-11-22 コニカ株式会社 developing device
US4845523A (en) * 1984-09-11 1989-07-04 Sharp Kabushiki Kaisha A developing device for an electrophotographic copying machine
JPS6323181A (en) * 1986-07-16 1988-01-30 Ricoh Co Ltd Developing device for copying machine
EP0556439A3 (en) * 1992-02-19 1994-04-20 Sharp Kk
JP2011123328A (en) * 2009-12-11 2011-06-23 Ricoh Co Ltd Developing device, process cartridge, and image forming apparatus

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