JPS6437573A - Developing device - Google Patents
Developing deviceInfo
- Publication number
- JPS6437573A JPS6437573A JP62193588A JP19358887A JPS6437573A JP S6437573 A JPS6437573 A JP S6437573A JP 62193588 A JP62193588 A JP 62193588A JP 19358887 A JP19358887 A JP 19358887A JP S6437573 A JPS6437573 A JP S6437573A
- Authority
- JP
- Japan
- Prior art keywords
- developing roller
- guide members
- developing
- developing device
- speedy
- 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
Landscapes
- Dry Development In Electrophotography (AREA)
Abstract
PURPOSE:To bring a developing device and a photosensitive body into speedy contact and noncontact with each other by providing rotatable guide members which have opening parts and internal surfaces nearly conforming with the external surface shape of a developing roller. CONSTITUTION:This device has the reversible developing roller 3, a cylindrical thin film member 2 which has slight surplus peripheral length for the peripheral length of the developing roller and is fitted while covering the developing roller 3, guide members 4 which have the opening parts and internal surfaces nearly conforming with the external surface shape of the developing roller and are arranged on both ends of the developing roller, and stopping members 7 which stops the guide members 4 from rotating. The guide members 4 on the developing roller 3 shift in position through the reversing of the developing roller 3 and the surplus part of the thin film member 2 shift in position. Consequently, the developing device and photosensitive body are brought into and speedy contact and noncontact with each other without moving the whole developing device.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62193588A JP2586501B2 (en) | 1987-07-31 | 1987-07-31 | Developing device |
US07/225,465 US4907032A (en) | 1987-07-31 | 1988-07-28 | Monocomponent developing device |
DE3825921A DE3825921A1 (en) | 1987-07-31 | 1988-07-29 | SINGLE COMPONENT DEVELOPMENT DEVICE |
US07/468,235 US5008708A (en) | 1987-07-31 | 1990-01-22 | Monocomponent developing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62193588A JP2586501B2 (en) | 1987-07-31 | 1987-07-31 | Developing device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6437573A true JPS6437573A (en) | 1989-02-08 |
JP2586501B2 JP2586501B2 (en) | 1997-03-05 |
Family
ID=16310469
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62193588A Expired - Lifetime JP2586501B2 (en) | 1987-07-31 | 1987-07-31 | Developing device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2586501B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110941167A (en) * | 2018-09-25 | 2020-03-31 | 佳能株式会社 | Image forming apparatus and developing cartridge |
-
1987
- 1987-07-31 JP JP62193588A patent/JP2586501B2/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110941167A (en) * | 2018-09-25 | 2020-03-31 | 佳能株式会社 | Image forming apparatus and developing cartridge |
US11550255B2 (en) | 2018-09-25 | 2023-01-10 | Canon Kabushiki Kaisha | Image forming apparatus and developing cartridge |
CN110941167B (en) * | 2018-09-25 | 2023-05-23 | 佳能株式会社 | Image forming apparatus and developing cartridge |
Also Published As
Publication number | Publication date |
---|---|
JP2586501B2 (en) | 1997-03-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term | ||
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20071205 Year of fee payment: 11 |