JPH0435155U - - Google Patents
Info
- Publication number
- JPH0435155U JPH0435155U JP7606390U JP7606390U JPH0435155U JP H0435155 U JPH0435155 U JP H0435155U JP 7606390 U JP7606390 U JP 7606390U JP 7606390 U JP7606390 U JP 7606390U JP H0435155 U JPH0435155 U JP H0435155U
- Authority
- JP
- Japan
- Prior art keywords
- developing device
- latent image
- electrostatic latent
- developing
- image carrier
- 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
Links
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Dry Development In Electrophotography (AREA)
Description
第１図は本考案実施例の概略斜視図、第２図は
ホームポジシヨンセンサ側の回転式現像装置の端
面図、第３図はモータ側から見た回転式現像装置
の端面図、第４図は本考案実施例の回転式現像装
置の駆動機構を具備したフルカラー複写機の概略
構成図、第５図は回転式現像装置の従来の停止機
構の概略図である。
１……感光体ドラム、１８……回転式現像装置
、２０ａ〜２０ｄ……現像ユニツト、２６……転
写ドラム、５０……円筒状被駆動部分、５２……
駆動ゴムローラ、５８……モータ。
FIG. 1 is a schematic perspective view of an embodiment of the present invention, FIG. 2 is an end view of the rotary developing device on the home position sensor side, FIG. 3 is an end view of the rotary developing device as seen from the motor side, and FIG. This figure is a schematic diagram of a full-color copying machine equipped with a drive mechanism for a rotary developing device according to an embodiment of the present invention, and FIG. 5 is a schematic diagram of a conventional stopping mechanism for a rotary developing device. DESCRIPTION OF SYMBOLS 1...Photosensitive drum, 18...Rotary developing device, 20a-20d...Developing unit, 26...Transfer drum, 50...Cylindrical driven portion, 52...
Drive rubber roller, 58...motor.
Claims (1)
させて現像ユニツトの一つを選択的に静電潜像担
持体に近接させ、該静電潜像担持体上の静電潜像
を顕像化するようにした回転式現像装置において
、 前記回転式現像装置の両端部に円筒状被駆動部
分を一体的に設け、 該円筒状被駆動部分の円筒面に駆動ローラを圧
接させ、 該駆動ローラを駆動手段により回転駆動するよ
うにしたことを特徴とする回転式現像装置の駆動
機構。 ２ 少なくとも一方の前記円筒状被駆動部分の円
筒面に現像ユニツトの数に対応する凹部を離間し
て設け、前記駆動ローラを該凹部に嵌合させるこ
とにより各々の現像ユニツトを現像位置に位置決
め保持するようにしたことを特徴とする請求項１
記載の回転式現像装置の駆動機構。[Claims for Utility Model Registration] 1. A developing device having a plurality of developing units is rotated to selectively bring one of the developing units close to an electrostatic latent image carrier, and the electrostatic latent image carrier on the electrostatic latent image carrier is In a rotary developing device configured to visualize an electrostatic latent image, a cylindrical driven portion is integrally provided at both ends of the rotary developing device, and a driving roller is provided on the cylindrical surface of the cylindrical driven portion. A drive mechanism for a rotary developing device, characterized in that the drive roller is brought into pressure contact and the drive roller is rotationally driven by a drive means. 2. Recesses corresponding to the number of developing units are provided at a distance on the cylindrical surface of at least one of the cylindrical driven parts, and each developing unit is positioned and held at a developing position by fitting the drive roller into the recessed parts. Claim 1 characterized in that:
A drive mechanism of the rotary developing device described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7606390U JPH0435155U (en) | 1990-07-19 | 1990-07-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7606390U JPH0435155U (en) | 1990-07-19 | 1990-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0435155U true JPH0435155U (en) | 1992-03-24 |
Family
ID=31617197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7606390U Pending JPH0435155U (en) | 1990-07-19 | 1990-07-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0435155U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6437571A (en) * | 1987-07-31 | 1989-02-08 | Minolta Camera Kk | Developing device |
-
1990
- 1990-07-19 JP JP7606390U patent/JPH0435155U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6437571A (en) * | 1987-07-31 | 1989-02-08 | Minolta Camera Kk | Developing device |
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