JPS54158934A - Developing device - Google Patents

Developing device

Info

Publication number
JPS54158934A
JPS54158934A JP6741278A JP6741278A JPS54158934A JP S54158934 A JPS54158934 A JP S54158934A JP 6741278 A JP6741278 A JP 6741278A JP 6741278 A JP6741278 A JP 6741278A JP S54158934 A JPS54158934 A JP S54158934A
Authority
JP
Japan
Prior art keywords
carrier
developing
spacing
pole
closest
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
JP6741278A
Other languages
Japanese (ja)
Other versions
JPS6032193B2 (en
Inventor
Masaharu Okubo
Toshiro Kasamura
Yujiro Ando
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 JP6741278A priority Critical patent/JPS6032193B2/en
Publication of JPS54158934A publication Critical patent/JPS54158934A/en
Publication of JPS6032193B2 publication Critical patent/JPS6032193B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To eliminate unstable factors such as fogs, uneven sensible image densities, developing densities, etc. in high speed developing by defining the spacing of two developing carriers from an electrostatic image holding member to the specific position relation.
CONSTITUTION: A first magnetic means 23A forms a magnet roller which has the magnetizing poles N2, S2, N3 being spaced respectively by an equal angle, the pole N3 being disposed in proximity to the surface of an electrostatic image carrier 1. The spacing between the sleeve 22A and carrier 1 in the closest position is let α. The poles S3, S4 of a second magnetic means 23B which is disposed on the downstream along the carrier 1 of the means 23A and forms a magnet roller are mutually spaced by an angle θ in the respectively opposite directions from the point closest to the surface of the carrier 1 and are so selected as to become the pole differing from the pole N3. When the spacing between the sleeve 22B and carrier in this closest point is let to be β, developing is performed by maintaining the position relation of α > β ≥ 3/4α. Thus, the stable sensible image of high quality may be obtained.
COPYRIGHT: (C)1979,JPO&Japio
JP6741278A 1978-06-05 1978-06-05 developing device Expired JPS6032193B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6741278A JPS6032193B2 (en) 1978-06-05 1978-06-05 developing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6741278A JPS6032193B2 (en) 1978-06-05 1978-06-05 developing device

Publications (2)

Publication Number Publication Date
JPS54158934A true JPS54158934A (en) 1979-12-15
JPS6032193B2 JPS6032193B2 (en) 1985-07-26

Family

ID=13344165

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6741278A Expired JPS6032193B2 (en) 1978-06-05 1978-06-05 developing device

Country Status (1)

Country Link
JP (1) JPS6032193B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57661A (en) * 1980-06-03 1982-01-05 Minolta Camera Co Ltd Electrostatic latent image developing method
JPS63200176A (en) * 1987-02-12 1988-08-18 ゼロックス　コーポレーション Liquid image fixing/liquid carrier removing apparatus

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6152588U (en) * 1984-09-11 1986-04-09
JPS6332989U (en) * 1986-08-20 1988-03-03
JPS649896U (en) * 1987-07-08 1989-01-19

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57661A (en) * 1980-06-03 1982-01-05 Minolta Camera Co Ltd Electrostatic latent image developing method
JPS63200176A (en) * 1987-02-12 1988-08-18 ゼロックス　コーポレーション Liquid image fixing/liquid carrier removing apparatus

Also Published As

Publication number Publication date
JPS6032193B2 (en) 1985-07-26

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