JPS5589870A - Developing device - Google Patents

Developing device

Info

Publication number
JPS5589870A
JPS5589870A JP16586678A JP16586678A JPS5589870A JP S5589870 A JPS5589870 A JP S5589870A JP 16586678 A JP16586678 A JP 16586678A JP 16586678 A JP16586678 A JP 16586678A JP S5589870 A JPS5589870 A JP S5589870A
Authority
JP
Japan
Prior art keywords
developer
supporting means
distance
thermal expansion
layer thickness
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
JP16586678A
Other languages
Japanese (ja)
Inventor
Kozo Arao
Yasuyuki Tamura
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 JP16586678A priority Critical patent/JPS5589870A/en
Publication of JPS5589870A publication Critical patent/JPS5589870A/en
Pending legal-status Critical Current

Links

Landscapes

  • Magnetic Brush Developing In Electrophotography (AREA)
  • Dry Development In Electrophotography (AREA)

Abstract

PURPOSE: To obtain an excellent image, by attaching the linkage supporting means of developer supporting means and developer layer thickness defining means fixedly or slidably to the mounting part provided on a developer supporting body, and specifying these dimensions and coefficients of thermal expansion within the specified range.
CONSTITUTION: Opposite to a latent image holding member 1 are provided, either fixedly or slidably, a developer supporting means 2, a developer layer thickness defining means 6, a means 4 to link the developer supporting means 2 and the developer layer thickness defining means 6, and mounting parts 11, 2a having the linkage supporting means 4 provided on the developer supporting means 2, thus constituting the device. The distance between linking parts of the linkage supporting means 4 at 15°C is supposed to be L, the distance from the linking part 7 of developer defining means 6 and linkage supporting means 4 to the end part to be l, the distance between the developer supporting means 2 and the end of the developer defining means 6 to be d, the coefficient of thermal expansion in distance L to be a, and the coefficient of thermal expansion in distance l to be b, and these factors are designed to satisfy the relations of a<b and formulae (1) and (2). Thus, within the operating temperature range of -5°CW35°C, an excellent image may be obtained.
COPYRIGHT: (C)1980,JPO&Japio
JP16586678A 1978-12-27 1978-12-27 Developing device Pending JPS5589870A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16586678A JPS5589870A (en) 1978-12-27 1978-12-27 Developing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16586678A JPS5589870A (en) 1978-12-27 1978-12-27 Developing device

Publications (1)

Publication Number Publication Date
JPS5589870A true JPS5589870A (en) 1980-07-07

Family

ID=15820464

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16586678A Pending JPS5589870A (en) 1978-12-27 1978-12-27 Developing device

Country Status (1)

Country Link
JP (1) JPS5589870A (en)

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