JPS55105269A - Developing device - Google Patents
Developing deviceInfo
- Publication number
- JPS55105269A JPS55105269A JP1300179A JP1300179A JPS55105269A JP S55105269 A JPS55105269 A JP S55105269A JP 1300179 A JP1300179 A JP 1300179A JP 1300179 A JP1300179 A JP 1300179A JP S55105269 A JPS55105269 A JP S55105269A
- Authority
- JP
- Japan
- Prior art keywords
- supporting means
- spacing
- developer supporting
- magnetic blade
- setting member
- 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
Links
Abstract
PURPOSE: To let always stable visible images be obtained by so constituting the device that a magnetic blade may be readily set to a developer supporting means by maintaining the specified spacing and may be held without having any effect of the temperature change of environment.
CONSTITUTION: A position setting member 2 is provided to permit easy setting of the spacing between a developer supporting means 1 and a magnetic blade 4 at the specified value. This position setting member 2 has the function as a bearing member of a developing roller 6. In addition, a spacing setting member 3 is provided on the same axis as the axis 1a of the developer supporting means 1 in order to set the spacing between the developer supporting means 1 and latent image supporting means 12 at the specified value. Next, the change in the spacing between the developer supporting means 1 and magnetic blade 4 owing to temperature change is determined by the thermal expansion of the developer supporting means 1 and the thermal expansion from the bearing hole of the position setting member 2 up to the end position of the magnetic blade 4, with less influence of thermal expansion on account of their constitution. In this way, always stable visible images are obtainable.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1300179A JPS55105269A (en) | 1979-02-07 | 1979-02-07 | Developing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1300179A JPS55105269A (en) | 1979-02-07 | 1979-02-07 | Developing device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55105269A true JPS55105269A (en) | 1980-08-12 |
JPS647664B2 JPS647664B2 (en) | 1989-02-09 |
Family
ID=11820942
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1300179A Granted JPS55105269A (en) | 1979-02-07 | 1979-02-07 | Developing device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55105269A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57129466A (en) * | 1981-02-04 | 1982-08-11 | Ricoh Co Ltd | Magnetic brush developer |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5584961A (en) * | 1978-12-22 | 1980-06-26 | Hitachi Metals Ltd | Developing device for magnetic toner |
-
1979
- 1979-02-07 JP JP1300179A patent/JPS55105269A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5584961A (en) * | 1978-12-22 | 1980-06-26 | Hitachi Metals Ltd | Developing device for magnetic toner |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57129466A (en) * | 1981-02-04 | 1982-08-11 | Ricoh Co Ltd | Magnetic brush developer |
Also Published As
Publication number | Publication date |
---|---|
JPS647664B2 (en) | 1989-02-09 |
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