JP2005346116A5 - - Google Patents
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- JP2005346116A5 JP2005346116A5 JP2005228541A JP2005228541A JP2005346116A5 JP 2005346116 A5 JP2005346116 A5 JP 2005346116A5 JP 2005228541 A JP2005228541 A JP 2005228541A JP 2005228541 A JP2005228541 A JP 2005228541A JP 2005346116 A5 JP2005346116 A5 JP 2005346116A5
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- JP
- Japan
- Prior art keywords
- developer
- conveying
- receiving port
- developing device
- conveyance
- 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.)
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Claims (5)
前記装置本体部には、その上部に設けられた前記現像剤供給部からの現像剤を受け入れる現像剤受入口と、前記循環経路に配置され前記現像剤受入口から受け入れた現像剤を搬送する搬送手段と、前記像担持体に対向配置された現像ローラとが備えられてなる現像装置において、
前記循環経路は、前記現像ローラに沿って形成された前方搬送路と、前記現像剤受入口から現像剤の供給を受ける位置に前記前方搬送路と平行に形成された後方搬送路とを備え、
前記搬送手段は、軸心回りに回転することにより現像剤を搬送方向に向けて搬送するものであって、前記前方搬送路には前方搬送手段が、前記後方搬送路には後方搬送手段がそれぞれ装着されてなり、
前記後方搬送手段には、局部的に搬送能力が抑制されるべく構成された搬送能力抑制部が設けられていると共に、
前記現像剤受入口は、前記現像剤の循環経路上であって、前記現像剤受入口を通して現像剤が現像装置内に導入されたときに、前記後方搬送手段の回転によって前記現像剤が上方へ持ち上げられる位置に設けられていることを特徴とする現像装置。 An apparatus main body that supplies the developer to the circumferential surface of the image carrier while conveying the circulation path while stirring the developer, and a developer supply that supplies the developer into the apparatus main body. ,
In the apparatus main body, a developer receiving port that receives developer from the developer supply unit provided on the upper portion of the apparatus main body, and a transport that transports the developer that is arranged in the circulation path and is received from the developer receiving port And a developing device comprising a developing roller disposed opposite to the image carrier,
The circulation path includes a front conveyance path formed along the developing roller, and a rear conveyance path formed in parallel with the front conveyance path at a position where the developer is supplied from the developer receiving port.
The conveying means conveys the developer in the conveying direction by rotating around an axis, and a front conveying means is provided in the front conveying path, and a rear conveying means is provided in the rear conveying path, respectively. Being attached,
The rear conveying means is provided with a conveying capacity suppressing unit configured to suppress the conveying capacity locally,
The developer receiving port is on the developer circulation path, and when the developer is introduced into the developing device through the developer receiving port, the developer is moved upward by the rotation of the rear conveying unit. A developing device, wherein the developing device is provided at a lifted position .
前記現像剤受入口は、前記現像剤の循環経路上であって、前記現像剤受入口を通して現像剤が現像装置内に導入されたときに、前記スパイラルフィンの回転によって前記現像剤が上方へ持ち上げられる位置に設けられていることを特徴とする請求項１記載の現像装置。 The rear conveying means includes a feeder shaft and a spiral fin formed in a spiral shape around the feeder shaft, and the developer is rotated in a predetermined conveying direction by integral rotation of the spiral fin around the feeder shaft. It consists of a spiral feeder that conveys toward the
The developer receiving port is on the developer circulation path, and when the developer is introduced into the developing device through the developer receiving port, the developer is lifted upward by the rotation of the spiral fin. The developing device according to claim 1, wherein the developing device is provided at a predetermined position.
前記搬送手段を駆動する駆動機構と
を具備することを特徴とする画像形成装置。 An apparatus main body that supplies the developer to the circumferential surface of the image carrier while conveying the circulation path while stirring the developer, and a developer supply that supplies the developer into the apparatus main body. The apparatus main body is transported with a developer receiving port for receiving the developer from the developer supply unit provided on the apparatus main body, and a developer disposed in the circulation path and received from the developer receiving port. And a developing roller disposed opposite to the image carrier. The circulation path includes a front conveying path formed along the developing roller and a developer receiving port from the developer receiving port. A rear conveyance path formed in parallel with the front conveyance path at a position to receive supply, and the conveyance means conveys the developer in the conveyance direction by rotating around an axis, Forward transport in the front transport path A stage is provided with a rear conveying means on the rear conveying path, respectively, and the rear conveying means is provided with a conveying capacity suppressing portion configured to locally suppress the conveying capacity, The developer receiving port is on the developer circulation path, and when the developer is introduced into the developing device through the developer receiving port, the developer is moved upward by the rotation of the rear conveying unit. A developing device provided at a position to be lifted ;
An image forming apparatus comprising: a driving mechanism that drives the conveying unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005228541A JP3737824B2 (en) | 2005-08-05 | 2005-08-05 | Developing device and image forming apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005228541A JP3737824B2 (en) | 2005-08-05 | 2005-08-05 | Developing device and image forming apparatus |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004162198A Division JP3739004B2 (en) | 2004-05-31 | 2004-05-31 | Developing device and image forming apparatus |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2005346116A JP2005346116A (en) | 2005-12-15 |
| JP3737824B2 JP3737824B2 (en) | 2006-01-25 |
| JP2005346116A5 true JP2005346116A5 (en) | 2006-02-02 |
Family
ID=35498478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005228541A Expired - Lifetime JP3737824B2 (en) | 2005-08-05 | 2005-08-05 | Developing device and image forming apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3737824B2 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5789552B2 (en) | 2011-04-15 | 2015-10-07 | 京セラドキュメントソリューションズ株式会社 | Image forming apparatus |
| KR101456083B1 (en) | 2011-11-25 | 2014-11-03 | 교세라 도큐멘트 솔루션즈 가부시키가이샤 | Developing device, and image forming apparatus having the same |
| US8942600B2 (en) | 2012-11-22 | 2015-01-27 | Kyocera Document Solutions Inc. | Developing apparatus and image forming apparatus |
| JP5814279B2 (en) | 2013-02-18 | 2015-11-17 | 京セラドキュメントソリューションズ株式会社 | Developing device and image forming apparatus having the same |
| JP6493150B2 (en) | 2015-10-22 | 2019-04-03 | 京セラドキュメントソリューションズ株式会社 | Image forming apparatus and image forming method |
| JP6569625B2 (en) * | 2016-08-23 | 2019-09-04 | 京セラドキュメントソリューションズ株式会社 | Developing device and image forming apparatus having the same |
| JP6763341B2 (en) | 2017-05-15 | 2020-09-30 | 京セラドキュメントソリューションズ株式会社 | Image forming device |
-
2005
- 2005-08-05 JP JP2005228541A patent/JP3737824B2/en not_active Expired - Lifetime
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