JPS55111973A - Developing device - Google Patents

Developing device

Info

Publication number
JPS55111973A
JPS55111973A JP1930379A JP1930379A JPS55111973A JP S55111973 A JPS55111973 A JP S55111973A JP 1930379 A JP1930379 A JP 1930379A JP 1930379 A JP1930379 A JP 1930379A JP S55111973 A JPS55111973 A JP S55111973A
Authority
JP
Japan
Prior art keywords
sleeve
photosensitive drum
developing device
unevenness
springs
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.)
Granted
Application number
JP1930379A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6367185B2 (en]
Inventor
Teruo Morikawa
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 JP1930379A priority Critical patent/JPS55111973A/ja
Priority to US06/121,658 priority patent/US4324199A/en
Publication of JPS55111973A publication Critical patent/JPS55111973A/ja
Publication of JPS6367185B2 publication Critical patent/JPS6367185B2/ja
Granted 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)
  • Dry Development In Electrophotography (AREA)
JP1930379A 1979-02-20 1979-02-20 Developing device Granted JPS55111973A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1930379A JPS55111973A (en) 1979-02-20 1979-02-20 Developing device
US06/121,658 US4324199A (en) 1979-02-20 1980-02-15 Developing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1930379A JPS55111973A (en) 1979-02-20 1979-02-20 Developing device

Publications (2)

Publication Number Publication Date
JPS55111973A true JPS55111973A (en) 1980-08-29
JPS6367185B2 JPS6367185B2 (en]) 1988-12-23

Family

ID=11995645

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1930379A Granted JPS55111973A (en) 1979-02-20 1979-02-20 Developing device

Country Status (2)

Country Link
US (1) US4324199A (en])
JP (1) JPS55111973A (en])

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55133076A (en) * 1979-04-05 1980-10-16 Mita Ind Co Ltd Electrostatic copier
JPS5778066A (en) * 1980-10-31 1982-05-15 Toshiba Corp Developing apparatus of picture forming equipment
JPS6392366U (en]) * 1986-12-05 1988-06-15
US4801966A (en) * 1985-04-06 1989-01-31 Canon Kabushiki Kaisha Image forming apparatus with movable developing device

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4540645A (en) * 1983-01-31 1985-09-10 Mita Industrial Co Ltd Magnetic brush development method
US4881103A (en) * 1986-10-31 1989-11-14 Konica Corporation Developing apparatus
JPH087479B2 (ja) * 1988-05-19 1996-01-29 株式会社日立製作所 多色記録装置
US5521683A (en) * 1992-12-21 1996-05-28 Canon Kabushiki Kaisha Image forming apparatus using constant voltage or constant current AC signal applied to developer bearing member, and control function in accordance with detected voltage or current of developer bearing member
US5648839A (en) * 1994-04-27 1997-07-15 Matsushita Electric Industrial Co., Ltd. Image forming apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5425839A (en) * 1977-07-29 1979-02-27 Ricoh Co Ltd Developing device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3953121A (en) * 1974-10-29 1976-04-27 Xerox Corporation Articulated development apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5425839A (en) * 1977-07-29 1979-02-27 Ricoh Co Ltd Developing device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55133076A (en) * 1979-04-05 1980-10-16 Mita Ind Co Ltd Electrostatic copier
JPS5778066A (en) * 1980-10-31 1982-05-15 Toshiba Corp Developing apparatus of picture forming equipment
US4801966A (en) * 1985-04-06 1989-01-31 Canon Kabushiki Kaisha Image forming apparatus with movable developing device
JPS6392366U (en]) * 1986-12-05 1988-06-15

Also Published As

Publication number Publication date
US4324199A (en) 1982-04-13
JPS6367185B2 (en]) 1988-12-23

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