JPS57118272A - Developing device - Google Patents

Developing device

Info

Publication number
JPS57118272A
JPS57118272A JP389681A JP389681A JPS57118272A JP S57118272 A JPS57118272 A JP S57118272A JP 389681 A JP389681 A JP 389681A JP 389681 A JP389681 A JP 389681A JP S57118272 A JPS57118272 A JP S57118272A
Authority
JP
Japan
Prior art keywords
sleeve
toner
magnetic
developing
electric charge
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
JP389681A
Other languages
Japanese (ja)
Inventor
Katsumi Suzuki
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP389681A priority Critical patent/JPS57118272A/en
Publication of JPS57118272A publication Critical patent/JPS57118272A/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
    • G03G15/0921—Details concerning the magnetic brush roller structure, e.g. magnet configuration

Landscapes

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

Abstract

PURPOSE:To accelerate the contact of a magnetic toner and a sleeve and to inject electric charge from the sleeve to more particles of the toner by agitating the thin layer of the toner by means of magnetic force prior to developing. CONSTITUTION:A developing magentic pole 15, auxiliary poles 23a, 23b and a conveying magnetic pole are provided in a grounded conductive sleeve 17. A high resistance magnetic toner 14 is conveyed on the sleeve by the rotation of the sleeve 17. After it is shaped to a thin layer by a doctor blade 20, it is magnetically disturbed by the poles 23a, 23b. By this disturbance, the contact probability of the toner particles with the sleeve 17 is increased, and the injection of electric charge 21 from the sleeve to the toner 14 is accomplished over the entire part of the upper and lower parts of a toner layer 22.
JP389681A 1981-01-16 1981-01-16 Developing device Pending JPS57118272A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP389681A JPS57118272A (en) 1981-01-16 1981-01-16 Developing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP389681A JPS57118272A (en) 1981-01-16 1981-01-16 Developing device

Publications (1)

Publication Number Publication Date
JPS57118272A true JPS57118272A (en) 1982-07-23

Family

ID=11569942

Family Applications (1)

Application Number Title Priority Date Filing Date
JP389681A Pending JPS57118272A (en) 1981-01-16 1981-01-16 Developing device

Country Status (1)

Country Link
JP (1) JPS57118272A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12018877B2 (en) 2021-07-09 2024-06-25 Electrolux Home Products, Inc. Ice bin including an ice conveyance and crusher assembly

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5577749A (en) * 1978-12-07 1980-06-11 Minolta Camera Co Ltd Developing density adjusting method
JPS55120056A (en) * 1979-03-09 1980-09-16 Canon Inc Developing method
JPS55159457A (en) * 1979-05-31 1980-12-11 Hitachi Metals Ltd Image forming method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5577749A (en) * 1978-12-07 1980-06-11 Minolta Camera Co Ltd Developing density adjusting method
JPS55120056A (en) * 1979-03-09 1980-09-16 Canon Inc Developing method
JPS55159457A (en) * 1979-05-31 1980-12-11 Hitachi Metals Ltd Image forming method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12018877B2 (en) 2021-07-09 2024-06-25 Electrolux Home Products, Inc. Ice bin including an ice conveyance and crusher assembly

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