JP2014232197A5 - - Google Patents
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- JP2014232197A5 JP2014232197A5 JP2013112767A JP2013112767A JP2014232197A5 JP 2014232197 A5 JP2014232197 A5 JP 2014232197A5 JP 2013112767 A JP2013112767 A JP 2013112767A JP 2013112767 A JP2013112767 A JP 2013112767A JP 2014232197 A5 JP2014232197 A5 JP 2014232197A5
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- JP
- Japan
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- unit
- developer carrier
- image
- developer
- image forming
- Prior art date
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- 239000000969 carrier Substances 0.000 claims description 32
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 230000001105 regulatory Effects 0.000 claims 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000005755 formation reaction Methods 0.000 claims 1
- 230000005484 gravity Effects 0.000 claims 1
Description
かかる課題を解決するため本発明においては、潜像を担持する像担持体を支持する像担持体ユニットと、前記潜像を現像する現像剤を担持する現像剤担持体を支持する現像剤担持体ユニットと、前記像担持体ユニットに対して前記現像剤担持体ユニットを付勢する付勢部材と、画像形成装置の装置側接触部に押圧されて前記装置側接触部と接触する、前記現像剤担持体ユニットのユニット側接触部を保持する保持部とを有し、前記装置側接触部が前記ユニット側接触部を押圧する方向が、前記像担持体ユニットに対して前記現像剤担持体ユニットを付勢する付勢方向と直交する方向であり、前記保持部に、前記像担持体ユニットに対して前記現像剤担持体ユニットを付勢する側及びその逆側に隙間を設けるようにした。 In the present invention for solving the above problems, an image bearing member unit which supports the image bearing member for bearing a latent image, a developer for supporting the developer carrying member for carrying the current image agent you developing the latent image contacting a carrier unit, the urging member to the front Kizo carrier unit for biasing the developer carrying member unit, and the apparatus-side contact portion is pressed against the apparatus-side contact portion of the image forming apparatus, A holding portion for holding the unit-side contact portion of the developer carrier unit, and the direction in which the device-side contact portion presses the unit-side contact portion is the developer carrier with respect to the image carrier unit. a direction orthogonal to the urging direction to urge the body unit, the holding unit, so as to provide the inter-gap in the side and the opposite side to urge the developer carrying member unit with respect to said image bearing member unit I made it.
Claims (8)
前記潜像を現像する現像剤を担持する現像剤担持体を支持する現像剤担持体ユニットと、
前記像担持体ユニットに対して前記現像剤担持体ユニットを付勢する付勢部材と、
画像形成装置の装置側接触部に押圧されて前記装置側接触部と接触する、前記現像剤担持体ユニットのユニット側接触部を保持する保持部と
を有し、
前記装置側接触部が前記ユニット側接触部を押圧する方向が、前記像担持体ユニットに対して前記現像剤担持体ユニットを付勢する付勢方向と直交する方向であり、
前記保持部には、
前記像担持体ユニットに対して前記現像剤担持体ユニットを付勢する側及びその逆側に隙間が設けられている
画像形成ユニット。 An image carrier unit that supports an image carrier that carries a latent image;
A developer bearing member unit for supporting the developer carrying member for carrying the current image agent you developing the latent image,
A biasing member for biasing the developer carrying member unit with respect to the front Kizo carrier unit,
A holding part that holds the unit side contact part of the developer carrier unit, which is pressed by the apparatus side contact part of the image forming apparatus and contacts the apparatus side contact part,
The direction in which the apparatus-side contact portion presses the unit-side contact portion is a direction orthogonal to a biasing direction for biasing the developer carrier unit with respect to the image carrier unit,
In the holding part,
The image forming units between gap is provided on a side and its opposite side biasing said developer bearing member unit with respect to the image bearing member unit.
請求項１に記載の画像形成ユニット。 In the gap, the image formation according to claim 1, wherein the unit-side contact portion is provided with a elastic member that to prevent positional deviation of the before moving to the developer carrier unit side and the opposite side to urge the unit.
請求項２に記載の画像形成ユニット。 The image forming unit according to claim 2, wherein the elastic member is a foamed elastic body.
請求項２に記載の画像形成ユニット。 The image forming unit according to claim 2, wherein the elastic member is a plate spring or a compression spring.
前記現像剤担持体ユニットは、前記現像剤担持体の磨耗にともなって前記付勢方向に移動し、
前記隙間は、前記現像剤担持体ユニットが前記現像剤担持体の磨耗にともなって移動する移動量よりも大きい
請求項１に記載の画像形成ユニット。 The developer carrier is rotatably supported by the developer carrier unit, and the outer periphery is worn by rotating in a state of contact with the image carrier.
The developer carrier unit moves in the urging direction with wear of the developer carrier,
The image forming unit according to claim 1, wherein the gap is larger than an amount of movement of the developer carrier unit as the developer carrier is worn.
前記現像剤担持体ユニットは、前記現像剤担持体の回転時の偏心にともなって前記付勢方向に移動し、
前記隙間は、前記現像剤担持体ユニットが前記現像剤担持体の回転時の偏心にともなって移動する移動量よりも大きい
請求項１に記載の画像形成ユニット。 The developer carrier is rotatably supported by the developer carrier unit and rotates in contact with the image carrier.
The developer carrier unit moves in the urging direction along with the eccentricity at the time of rotation of the developer carrier,
The image forming unit according to claim 1, wherein the gap is larger than an amount of movement of the developer carrier unit with an eccentricity when the developer carrier rotates.
前記現像剤担持体を回転させるときに、前記現像剤担持体ユニットに働く回転力と重力によって前記現像剤担持体ユニットが移動しないように、前記現像剤担持体ユニットの位置を規制する位置規制手段をさらに有する
請求項２に記載の画像形成ユニット。 The developer carrier is rotatably supported by the developer carrier unit,
Position regulating means for regulating the position of the developer carrier unit so that the developer carrier unit does not move due to the rotational force and gravity acting on the developer carrier unit when rotating the developer carrier. The image forming unit according to claim 2, further comprising:
を備える画像形成装置。 An image forming apparatus comprising the image forming unit according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013112767A JP6059601B2 (en) | 2013-05-29 | 2013-05-29 | Image forming unit and image forming apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013112767A JP6059601B2 (en) | 2013-05-29 | 2013-05-29 | Image forming unit and image forming apparatus |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2014232197A JP2014232197A (en) | 2014-12-11 |
| JP2014232197A5 true JP2014232197A5 (en) | 2016-01-14 |
| JP6059601B2 JP6059601B2 (en) | 2017-01-11 |
Family
ID=52125626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013112767A Active JP6059601B2 (en) | 2013-05-29 | 2013-05-29 | Image forming unit and image forming apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6059601B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6770852B2 (en) * | 2016-08-30 | 2020-10-21 | 信越ポリマー株式会社 | Process cartridge |
| JP7505291B2 (en) | 2020-06-23 | 2024-06-25 | 京セラドキュメントソリューションズ株式会社 | Image forming device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4370517B2 (en) * | 2004-09-30 | 2009-11-25 | ブラザー工業株式会社 | Image forming apparatus |
| JP2007034044A (en) * | 2005-07-28 | 2007-02-08 | Ricoh Co Ltd | Connector, developing device, and image forming apparatus |
| JP5754284B2 (en) * | 2011-07-29 | 2015-07-29 | ブラザー工業株式会社 | Image forming apparatus |
| JP5847507B2 (en) * | 2011-09-14 | 2016-01-20 | キヤノン株式会社 | Cartridge and image forming apparatus |
-
2013
- 2013-05-29 JP JP2013112767A patent/JP6059601B2/en active Active
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