JPS53116159A - Dry developing device for electrophotographic copier - Google Patents

Dry developing device for electrophotographic copier

Info

Publication number
JPS53116159A
JPS53116159A JP2989677A JP2989677A JPS53116159A JP S53116159 A JPS53116159 A JP S53116159A JP 2989677 A JP2989677 A JP 2989677A JP 2989677 A JP2989677 A JP 2989677A JP S53116159 A JPS53116159 A JP S53116159A
Authority
JP
Japan
Prior art keywords
developing device
electrophotographic copier
dry developing
charging
tribo
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
JP2989677A
Other languages
Japanese (ja)
Other versions
JPS6020749B2 (en
Inventor
Hiroki Izumi
Nobuo Mochizuki
Teruyuki Onuma
Hajime Koyama
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP2989677A priority Critical patent/JPS6020749B2/en
Priority to GB28960/77A priority patent/GB1583472A/en
Priority to FR7721631A priority patent/FR2358691A1/en
Priority to US05/815,110 priority patent/US4119060A/en
Priority to CA282,618A priority patent/CA1085156A/en
Priority to DE2732172A priority patent/DE2732172C2/en
Publication of JPS53116159A publication Critical patent/JPS53116159A/en
Publication of JPS6020749B2 publication Critical patent/JPS6020749B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE:To well replenish toner particles thinly and uniformly in order to shorten the time saturating with the charging potential by providing plural tribo-charging blades to a developing roller, and setting from an acute to obtuse angle joint between respective developing rollers.
JP2989677A 1976-07-16 1977-03-18 Dry developing device for electrophotographic copying machines Expired JPS6020749B2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2989677A JPS6020749B2 (en) 1977-03-18 1977-03-18 Dry developing device for electrophotographic copying machines
GB28960/77A GB1583472A (en) 1976-07-16 1977-07-11 Electrophotographic apparatus
FR7721631A FR2358691A1 (en) 1976-07-16 1977-07-13 DEVELOPMENT DEVICE FOR DRY TYPE REPROGRAPHY EQUIPMENT
US05/815,110 US4119060A (en) 1976-07-16 1977-07-13 Toner charging apparatus
CA282,618A CA1085156A (en) 1976-07-16 1977-07-13 Development apparatus for use with dry type copying apparatus
DE2732172A DE2732172C2 (en) 1976-07-16 1977-07-15 Development device for electrostatic charge images

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2989677A JPS6020749B2 (en) 1977-03-18 1977-03-18 Dry developing device for electrophotographic copying machines

Publications (2)

Publication Number Publication Date
JPS53116159A true JPS53116159A (en) 1978-10-11
JPS6020749B2 JPS6020749B2 (en) 1985-05-23

Family

ID=12288729

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2989677A Expired JPS6020749B2 (en) 1976-07-16 1977-03-18 Dry developing device for electrophotographic copying machines

Country Status (1)

Country Link
JP (1) JPS6020749B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57180352U (en) * 1981-05-11 1982-11-16
JPS58152260A (en) * 1982-02-19 1983-09-09 ヘキスト・アクチエンゲゼルシヤフト Method and apparatus for developing electrostatic latent image formed on record carrier
JPS6295559A (en) * 1985-10-23 1987-05-02 Ricoh Co Ltd Developing device
US20150043949A1 (en) * 2013-08-09 2015-02-12 Xerox Corporation Development device having multiple charge blades

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0254434U (en) * 1988-10-12 1990-04-19

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57180352U (en) * 1981-05-11 1982-11-16
JPS58152260A (en) * 1982-02-19 1983-09-09 ヘキスト・アクチエンゲゼルシヤフト Method and apparatus for developing electrostatic latent image formed on record carrier
JPS6295559A (en) * 1985-10-23 1987-05-02 Ricoh Co Ltd Developing device
US20150043949A1 (en) * 2013-08-09 2015-02-12 Xerox Corporation Development device having multiple charge blades
US9261810B2 (en) * 2013-08-09 2016-02-16 Xerox Corporation Marking material delivery apparatus having multiple charge blades

Also Published As

Publication number Publication date
JPS6020749B2 (en) 1985-05-23

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