JP2010190975A5 - - Google Patents
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- JP2010190975A5 JP2010190975A5 JP2009032819A JP2009032819A JP2010190975A5 JP 2010190975 A5 JP2010190975 A5 JP 2010190975A5 JP 2009032819 A JP2009032819 A JP 2009032819A JP 2009032819 A JP2009032819 A JP 2009032819A JP 2010190975 A5 JP2010190975 A5 JP 2010190975A5
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- JP
- Japan
- Prior art keywords
- developing
- developer
- developing device
- crankshaft
- roller
- 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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Description
上記目的を達成するため、本出願に係る代表的な手段は、
画像形成装置に用いられる現像装置において、
現像剤を用いて像担持体に形成された潜像を現像する現像ローラと、
前記現像ローラに前記現像剤を供給する現像剤供給ローラと、
前記現像ローラを支持する現像枠体であって、前記現像装置が前記画像形成装置にて用いられる際に、前記現像ローラと前記現像剤供給ローラよりも下方となる位置に設けられた隔壁を有する現像枠体と、
前記現像枠体に回転可能に支持されたクランク軸と、
前記現像剤供給ローラと前記隔壁の間に配置され、前記クランク軸と連結し、前記クランク軸の回転によって往復運動することで現像剤を前記現像剤供給ローラに搬送する攪拌部と、
前記攪拌部を補強する補強部材であって、前記隔壁と対向する前記攪拌部の対向面に取り付けられる取付け面と、前記取付け面から屈曲することで前記隔壁に向かって突出した突出面と、を有する補強部材と、
を備えることを特徴とする。
In order to achieve the above object, representative means according to the present application are:
In a developing device used in an image forming apparatus,
A developing roller for developing a latent image formed on the image carrier using a developer;
A developer supply roller for supplying the developer to the development roller;
A developing frame that supports the developing roller, and has a partition wall provided at a position below the developing roller and the developer supply roller when the developing device is used in the image forming apparatus. A developing frame,
A crankshaft rotatably supported by the developing frame;
An agitation unit disposed between the developer supply roller and the partition wall, connected to the crankshaft, and reciprocated by rotation of the crankshaft to convey the developer to the developer supply roller ;
A reinforcing member for reinforcing the agitating portion, and a mounting surface attached to the facing surface of the agitating portion facing the partition wall, and a projecting surface projecting toward the partition wall by bending from the mounting surface A reinforcing member having
It is characterized by providing .
Claims (6)
現像剤を用いて像担持体に形成された潜像を現像する現像ローラと、
前記現像ローラに前記現像剤を供給する現像剤供給ローラと、
前記現像ローラを支持する現像枠体であって、前記現像装置が前記画像形成装置にて用いられる際に、前記現像ローラと前記現像剤供給ローラよりも下方となる位置に設けられた隔壁を有する現像枠体と、
前記現像枠体に回転可能に支持されたクランク軸と、
前記現像剤供給ローラと前記隔壁の間に配置され、前記クランク軸と連結し、前記クランク軸の回転によって往復運動することで現像剤を前記現像剤供給ローラに搬送する攪拌部と、
前記攪拌部を補強する補強部材であって、前記隔壁と対向する前記攪拌部の対向面に取り付けられる取付け面と、前記取付け面から屈曲することで前記隔壁に向かって突出した突出面と、を有する補強部材と、
を備えることを特徴とする現像装置。 In a developing device used in an image forming apparatus,
A developing roller for developing a latent image formed on the image carrier using a developer;
A developer supply roller for supplying the developer to the development roller;
A developing frame that supports the developing roller, and has a partition wall provided at a position below the developing roller and the developer supply roller when the developing device is used in the image forming apparatus. A developing frame,
A crankshaft rotatably supported by the developing frame;
An agitation unit disposed between the developer supply roller and the partition wall, connected to the crankshaft, and reciprocated by rotation of the crankshaft to convey the developer to the developer supply roller ;
A reinforcing member for reinforcing the agitating portion, and a mounting surface attached to the facing surface of the agitating portion facing the partition wall, and a projecting surface projecting toward the partition wall by bending from the mounting surface A reinforcing member having
Developing apparatus is characterized in that it comprises.
前記複数の溝部のうち、隣り合う二つの溝部は、それぞれ異なる方向に開放していることを特徴とする請求項１に記載の現像装置。 The stirring section is arranged along the longitudinal direction of the crankshaft , and has a plurality of grooves to which the crankshaft is attached .
Wherein the plurality of grooves, the two grooves adjacent developing device according to claim 1, characterized in that is open in different directions.
前記補強部材が前記溝部を覆って前記クランク軸から前記攪拌部が外れるのを規制することを特徴とする請求項１に記載の現像装置。 The stirring portion has a groove portion to which the crankshaft is attached ,
The developing device according to claim 1 , wherein the reinforcing member covers the groove portion and restricts the stirring portion from being detached from the crankshaft.
前記現像装置は、前記現像剤収容部から前記隔壁に向けて現像剤を搬送する現像剤搬送部材を備えることを特徴とする請求項１乃至４のいずれか１項に記載の現像装置。5. The developing device according to claim 1, wherein the developing device includes a developer conveying member that conveys the developer from the developer accommodating portion toward the partition. 6.
請求項１乃至５のいずれか１項に記載の現像装置と、
前記像担持体と、
を備えることを特徴とするプロセスカートリッジ。 In a process cartridge detachable from an image forming apparatus,
A developing device according to any one of claims 1 to 5 ,
The image carrier;
The process cartridge comprising: a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009032819A JP5527984B2 (en) | 2009-02-16 | 2009-02-16 | Developing device and process cartridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009032819A JP5527984B2 (en) | 2009-02-16 | 2009-02-16 | Developing device and process cartridge |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2010190975A JP2010190975A (en) | 2010-09-02 |
| JP2010190975A5 true JP2010190975A5 (en) | 2012-03-15 |
| JP5527984B2 JP5527984B2 (en) | 2014-06-25 |
Family
ID=42817114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009032819A Active JP5527984B2 (en) | 2009-02-16 | 2009-02-16 | Developing device and process cartridge |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5527984B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6019711B2 (en) | 2012-04-25 | 2016-11-02 | ブラザー工業株式会社 | Development device |
| CN105628096B (en) * | 2015-12-29 | 2018-09-21 | 丁云峰 | Refill for ball-point pen draws inspection equipment automatically |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS565191U (en) * | 1979-06-22 | 1981-01-17 | ||
| JPS5891920A (en) * | 1981-11-26 | 1983-06-01 | Hideo Hiki | Bearing |
| JPS6023621A (en) * | 1983-07-16 | 1985-02-06 | Ricoh Co Ltd | Holding device |
| JP2529709Y2 (en) * | 1991-06-10 | 1997-03-19 | 三菱電機株式会社 | Bearing device |
| JPH09106187A (en) * | 1995-10-09 | 1997-04-22 | Canon Inc | Developing device |
| JP2001075343A (en) * | 1999-09-02 | 2001-03-23 | Canon Inc | Developer stirring and carrying device, developer container, developing device, process cartridge and image forming device |
| JP2001213164A (en) * | 2000-02-01 | 2001-08-07 | Nifco Inc | Bearing body and vehicular sun visor using the same |
| JP4315135B2 (en) * | 2005-07-26 | 2009-08-19 | コニカミノルタビジネステクノロジーズ株式会社 | Developing device, process cartridge, and image forming apparatus |
| JP4841000B2 (en) * | 2006-12-11 | 2011-12-21 | キヤノン株式会社 | Developer container, developing device, and process cartridge |
| JP4840217B2 (en) * | 2007-03-27 | 2011-12-21 | ブラザー工業株式会社 | bearing |
-
2009
- 2009-02-16 JP JP2009032819A patent/JP5527984B2/en active Active
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