CN104597737B - Processing box for image forming device - Google Patents
Processing box for image forming device Download PDFInfo
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- CN104597737B CN104597737B CN201310526591.1A CN201310526591A CN104597737B CN 104597737 B CN104597737 B CN 104597737B CN 201310526591 A CN201310526591 A CN 201310526591A CN 104597737 B CN104597737 B CN 104597737B
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- 238000012545 processing Methods 0.000 title description 7
- 238000000034 method Methods 0.000 claims abstract description 35
- 230000008569 process Effects 0.000 claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims description 24
- 239000010959 steel Substances 0.000 claims description 24
- 238000003860 storage Methods 0.000 claims description 11
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 230000001154 acute effect Effects 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims 1
- 230000007246 mechanism Effects 0.000 abstract description 2
- 239000000843 powder Substances 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/18—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
- G03G21/1839—Means for handling the process cartridge in the apparatus body
- G03G21/1867—Means for handling the process cartridge in the apparatus body for electrically connecting the process cartridge to the apparatus, electrical connectors, power supply
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/18—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
- G03G21/1803—Arrangements or disposition of the complete process cartridge or parts thereof
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- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dry Development In Electrophotography (AREA)
- Electrophotography Configuration And Component (AREA)
Abstract
本发明提供一种图像形成装置用处理盒，包括感光元件；显影元件；第一框架，设置有显影元件安装单元；第二框架，设置有感光元件安装单元；两个侧盖，用于连接所述第一框架和所述第二框架；第一导电元件设置在所述其中一个侧盖上，并且有一部分暴露在外，用于与图像形成装置内的导电触点形成电连接；第二导电元件，包括插入部分，可以插入至所述显影元件安装部分内，以及接触部分，与所述第一导电元件接触；其特征在于，所述第二导电元件上的接触部分与所述第一导电元件弹性抵接，以使第二导电元件与第一导电元件在接触的同时可以相对滑动。通过这种设置，可以保证导电元件导电良好的情况下，显影元件位置调整机构更容易调整显影元件与感光元件之间的距离。
The invention provides a process cartridge for an image forming device, comprising a photosensitive element; a developing element; a first frame provided with a developing element mounting unit; a second frame provided with a photosensitive element mounting unit; the first frame and the second frame; the first conductive element is disposed on one of the side covers, and a part of which is exposed to form an electrical connection with the conductive contacts in the image forming apparatus; the second conductive element , comprising an inserting portion, which can be inserted into the developing element mounting portion, and a contact portion, which is in contact with the first conductive element; characterized in that the contact portion on the second conductive element is in contact with the first conductive element Elastic abutting, so that the second conductive element and the first conductive element can slide relatively while being in contact with each other. With this arrangement, it can be ensured that the developing element position adjusting mechanism can more easily adjust the distance between the developing element and the photosensitive element under the condition that the conductive element has good electrical conductivity.
Description
Technical Field
The present invention relates to a process cartridge for an image forming apparatus.
Background
Devices using electrophotographic technology, such as laser printers, copiers, or facsimile machines, are becoming more popular with users because of their high quality, high speed, and competitive price.
Such an image forming apparatus implementing the electrophotographic technique has a process cartridge detachably mounted therein, the process cartridge having a developer therein, and further includes: a developer accommodating chamber provided with a developing member, such as a magnet roller or a developing roller, and a photosensitive member at an opening of the developer accommodating chamber for forming an electrostatic latent image. During the operation of the processing box, a potential difference is formed between the developing element and the photosensitive element, so that the developer is drawn to a preset area on the photosensitive element under the action of an electric field force; as the developing member and the photosensitive member are continuously rotated, the developer is always supplied to the photosensitive member and then transferred to the printing medium, thereby completing the formation of the image. And a conductive member for detecting the amount of the remaining developer in the toner hopper is generally provided in such a process cartridge, and the conductive member is made of a steel shaft capable of conducting electricity and includes at least two portions, one of which is inserted into the inside of the process cartridge and the other of which is in contact with an external conductive member, so that an electric signal corresponding to the amount of the developer in the process cartridge is transmitted to the image forming apparatus.
In a process cartridge of the related art, in order to ensure that the distance between the developing member and the photosensitive member is controlled within a predetermined range, an adjustment mechanism is generally provided. As shown in fig. 1, a partial schematic view of a developing member assembly of a related art process cartridge, which is assembled to a developing member cartridge 101, includes: a developing element holder 102 for positioning a developing element; a developing member 103; a conductive steel shaft 104 for electrically connecting the inside and outside of the developing element cartridge; the spring 105, as a part of the adjustment structure, adjusts the up-and-down movement (arrow direction in the figure) of the developing element assembly. Therefore, the developing element assembly moves along the spring direction in the working process of the processing box, the gap between the developing element assembly and the photosensitive element is adjusted, and the printing quality is guaranteed.
In addition, in the above processing box, the conductive steel shaft 104 transmits the electrical signal with the image forming apparatus through the conductive sheet clamped on the side cover, as shown in fig. 2, which is a partial schematic view of the conductive steel shaft 104 matching with the conductive sheet. This type of fit presents a problem: since the conductive sheet is fixed to the side cover and the conductive steel shaft 104 is engaged between the two ends 106, 107 of the conductive sheet, when the photosensitive element rotates rapidly, the distance that the developing element assembly can move in the direction of the arrow in fig. 1 is limited because the conductive steel shaft is clamped, so that the developing element cannot move close to the photosensitive element in the direction of the arrow, resulting in a printing defect.
Disclosure of Invention
In order to solve the technical problem that the developing element cannot be close to the photosensitive element, the invention provides a technical scheme which can enable the developing element assembly to move freely and has good electric contact performance of a conductive element. The technical scheme adopted by the invention is as follows:
a process cartridge for an image forming apparatus, comprising:
a developing member for forming an electrostatic latent image on the photosensitive member;
a first frame provided with a storage compartment for accommodating a developer, the first frame being provided with a developing element mounting unit thereon;
two side covers respectively positioned at two sides of the first frame;
a first conductive member provided on the one of the side covers and having a portion exposed for making an electrical connection with a conductive contact in the image forming apparatus;
a second conductive member including an insertion portion insertable into the developing member mounting portion, and a contact portion in contact with the first conductive member; the contact part on the second conductive element is elastically abutted with the first conductive element, so that the second conductive element and the first conductive element can slide relatively while being in contact.
The process cartridge for an image forming apparatus further includes: a photosensitive element; a second frame provided with an accommodating chamber for accommodating a remaining developer, the second frame having a photosensitive element mounting unit provided thereon; the two side covers are respectively positioned on two sides of the first frame and the second frame in the axis direction of the photosensitive element and are used for connecting the first frame and the second frame.
The processing box for the image forming device also comprises a developing element position adjusting component, and the developing element can move relative to the photosensitive element; and the moving direction of the developing member is the same as the moving direction of the second conductive member.
The first conductive element is a conductive sheet, and the conductive sheet includes a fixed end connected to the inner wall of the side cover, a free end contacting the contact portion of the second conductive element, and a connection portion connecting the fixed end and the free end.
The free end and the contact part on the second conductive element generate an interaction force along the axial direction of the developing element in the abutting process.
An obtuse angle is formed between the connecting part and the fixed end of the first conductive element, and an acute angle is formed between the connecting part and the free end of the first conductive element.
The plane of the free end is perpendicular to the axial direction of the developing element.
The free end is in a two-piece structure and is rectangular with the same shape.
The second conductive element is a conductive steel shaft, and the insertion part of the conductive steel shaft is perpendicular to the contact part.
The first frame includes a storage chamber for storing developer and a developing member accommodating chamber, and the developing member mounting unit and the developing member position regulating assembly are provided at an end of the developing member accommodating chamber.
The developing element mounting unit is disposed at a developer opening position on a storage compartment accommodating a developer, and a developing element position regulating member is disposed outside the storage compartment.
After the technical scheme is adopted, the clamping connection of the contact part on the second conductive element and the first conductive element is improved into elastic abutting connection, so that the second conductive element and the first conductive element can relatively slide while being in contact, the first conductive element and the second conductive element can be well contacted at any time, and the conductive performance of the first conductive element and the second conductive element is well ensured; thereby ensuring good print quality. In particular, the second conductive member is movable relative to the photosensitive member during movement of the second conductive member between the developing member and the photosensitive member, so that the first conductive member and the second conductive member can be in good contact at all times. Further, the moving direction of the developing element is the same as the moving direction of the second conductive element, and the contact state of the first conductive element and the second conductive element cannot be influenced when the developing element adjusting assembly adjusts the distance between the developing element and the photosensitive element. Furthermore, the plane of the free end of the second conductive element is perpendicular to the axial direction of the developing element, so that the first conductive element can move on the plane of the second conductive element more easily, and an interaction force along the axial direction of the developing element is generated in the abutting process of the free end and the contact part on the second conductive element, so that the first conductive element and the second conductive element can be contacted more tightly, the conductive effect is better, in addition, an obtuse angle is formed between the connecting part and the fixed end of the first conductive element, and an acute angle is formed between the connecting part and the free end of the first conductive element, so that the manufacturing of the second conductive element is facilitated, and the contact effect is improved.
Drawings
FIG. 1 is a schematic view of a partial structure of a prior art magnetic roller assembly;
FIG. 2 is a schematic view of a structure of a conductive steel shaft and a conductive sheet in the prior art;
FIG. 3 is a schematic view showing a structure of a process cartridge according to the present invention;
FIG. 4 is an exploded view of the process cartridge according to the present invention;
FIG. 5 is an exploded view of the present invention from another perspective relative to the process cartridge;
FIG. 6 is an enlarged partial schematic view of FIG. 5;
FIG. 7 is an enlarged view of a portion of FIG. 6 corresponding to region A;
FIG. 8 is an enlarged view of a portion of FIG. 6 corresponding to region B;
FIG. 9 is a schematic structural view of a conductive steel shaft;
FIG. 10 is a schematic view showing a structure of a cartridge having no side cover;
fig. 11 is a partially enlarged view of fig. 10.
Reference numerals
Detailed Description
In order to make the technical solutions related to the present invention easier and clearer for those skilled in the art to understand, the following description is made with reference to specific embodiments.
As shown in fig. 3, 4, and 5, the process cartridge 1 for an image forming apparatus according to the present invention includes: a photosensitive element constituted by a photosensitive drum 7; a developing member for forming an electrostatic latent image on the photosensitive member, preferably a magnetic roller 6; a first frame provided with a storage chamber for accommodating a developer, also referred to as a powder hopper 2, on which a developing element mounting unit, preferably a magnetic roller mounting unit 60 of the present invention, is provided; and it is preferable that the first frame is composed of a powder hopper and a magnetic roller hopper (developing member accommodating hopper) which are separately injection-molded and then fixed by means of snap-fitting or welding, etc., and the above-mentioned magnetic roller mounting unit 60 is provided at the position of the opening portion of the magnetic roller hopper so that the developer flows out through in order: a powder hopper, a magnet roller, and then a developer is supplied to the photosensitive drum 7 outside the first frame by the magnet roller 6, forming an electrostatic latent image.
And a second frame provided with a housing chamber for housing the remaining developer, also referred to as a waste toner hopper 3, on which a photosensitive element mounting unit is provided, and to which the photosensitive drum 7 is fixed by a drum shaft pin 7 a.
Two side covers 4, 5 are respectively located on both sides of the first frame and the second frame in the axial direction of the photosensitive drum 7 and are used for connecting the first frame and the second frame, specifically, the side covers can be further fastened by providing buckles for connecting the first frame and the second frame on the side covers and adding screws.
The first conductive member is provided on the one of the side covers 4, and has a portion exposed for making an electrical connection with a conductive contact in the image forming apparatus. Preferably, the first conductive element is a first conductive sheet 81. The side cover 4 is also provided with a second conductive sheet 91 and a magnetic roller conductive sheet 61 connected to the magnetic roller 6.
A second conductive member including an insertion portion insertable into the developing member mounting portion, and a contact portion in contact with the first conductive member. Preferably, the second conductive element is a first conductive steel shaft 8, and the first conductive steel shaft 8 has a specific structure as shown in fig. 9, and includes an insertion portion 9a that can be inserted into the magnetic roller housing, and a contact portion 9b that contacts the free end of the first conductive sheet 81, wherein the insertion portion 9a and the contact portion 9b are perpendicular to each other.
And the contact part on the second conductive element is elastically abutted with the first conductive element so that the second conductive element and the first conductive element can slide relatively while being in contact. Specifically, as shown in fig. 10 and 11, the first conductive plate 81 can move relative to the first conductive steel shaft 8, so that the first conductive plate 81 and the first conductive steel shaft 8 can be ensured to be in good contact at any time, and the conductivity of the first conductive plate 81 and the first conductive steel shaft 8 is ensured; thereby ensuring good print quality.
The process cartridge 1 for an image forming apparatus provided by the present invention further comprises a developing member regulating assembly, as shown in fig. 5 and 6, preferably provided at one end of the magnetic roller magazine, comprising: a magnetic roller bracket for supporting the magnetic roller, a spring 10 for pushing the magnetic roller bracket to move; thus, the distance between the magnetic roller 6 and the photosensitive drum 7 is adjusted by the expansion and contraction of the spring 10 according to the external conditions. And the moving direction of the developing element is the same as the moving direction of the second conductive element, and the contact state of the first conductive element and the second conductive element cannot be influenced when the developing element adjusting assembly adjusts the distance between the developing element and the photosensitive element.
As shown in fig. 6, 7, 10 and 11, the first conductive sheet 81 includes a fixed end connected to the inner wall of the side cover, preferably, the fixed end and the inner wall of the side cover are directly inserted into the inner wall of the side cover by clamping, a free end contacting with the contact portion of the second conductive element, and a connecting portion connecting the fixed end and the free end. The free end and the contact part on the second conductive element generate an interaction force along the axial direction of the developing element in the abutting process. And an obtuse angle alpha is formed between the connecting part and the fixed end of the first conductive element, and an acute angle beta is formed between the connecting part and the free end of the first conductive element. This is to maintain the hardness and elasticity of the second conductive steel sheet 91 better and to make the manufacture simple. In addition, it is preferable that the portion connected to the fixed end is disposed to be exposed to the outside, and as shown in fig. 10, 5 protrusions are provided on the portion exposed to the outside, so that the portion exposed to the outside is more effectively contacted with the conductive contact on the image forming apparatus, and thus the conductive effect is also more improved.
In addition, the plane of the free end of the first conductive sheet 81 is perpendicular to the axial direction of the developing element, or approximately perpendicular. The advantage of this design is that the plane of the free end of the first conductive sheet 81 is parallel to the sliding direction of the contact part of the first conductive steel shaft 8, thereby avoiding a large resistance during the movement of the first conductive sheet 81 and the first conductive steel shaft 8.
In addition, for convenience of manufacturing and material saving, the free end of the first conducting strip is of a two-piece structure, and the two are rectangular with the same shape, so that part of material can be saved in the middle of the two pieces of the first conducting strip.
The present invention provides an image forming apparatus process cartridge 1 further provided with a detecting unit that detects a remaining amount of developer in the process cartridge 1, including: a first conductive steel shaft 8, a first conductive sheet 81, a second conductive steel shaft 9 which can be inserted into the powder bin, and a second conductive sheet 91 arranged in the side cover 4. Therefore, the developer in the powder bin and the magnetic roller bin, the first conductive steel shaft 8, the first conductive sheet 81, the detection circuit in the printer, the second conductive steel shaft 9 and the second conductive sheet 91 are sequentially connected in series, so that the developer amount in the processing box 1 can be detected by converting the developer amount into an electric signal. Of course, the detection circuit in the detection process cartridge 1 is not limited to the above, and for example, the end of the magnetic roller and the conductive sheet of the magnetic roller may be replaced or combined with the above elements to form a detection circuit.
In addition, the above embodiments all have one magnetic roller magazine, and for the present invention, the first frame may be further designed to: the developing member mounting unit is disposed at a developer opening position on a storage compartment accommodating a developer, and the developing member position regulating member is disposed outside the storage compartment so that the first frame portion can be directly integrally injection-molded.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention, and not for limiting the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: it is still possible to modify the technical solutions described in the foregoing embodiments, or to equivalently replace some or all of the technical features thereof, for example, replacing the developing element with a developing roller and the developing element mounting unit with a developing roller mounting unit; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (11)
1. A process cartridge for an image forming apparatus, comprising:
a photosensitive element;
a developing member for forming an electrostatic latent image on the photosensitive member;
a first frame provided with a storage compartment for accommodating a developer, the first frame being provided with a developing element mounting unit thereon;
two side covers respectively positioned at two sides of the first frame;
a first conductive member disposed on one of the side covers and having a portion exposed for making electrical connection with a conductive contact in the image forming apparatus;
a second conductive member including an insertion portion insertable into the developing member mounting portion, and a contact portion in contact with the first conductive member; it is characterized in that the preparation method is characterized in that,
the developing element is movable relative to the photosensitive element in a radial direction of the developing element, and a moving direction of the developing element is the same as a moving direction of the second conductive element;
the contact portion on the second conductive member is elastically abutted against the first conductive member so that the second conductive member and the first conductive member can relatively slide in the radial direction of the developing member while being in contact.
2. A process cartridge for an image forming apparatus according to claim 1, further comprising: a second frame provided with an accommodating chamber for accommodating a remaining developer, the second frame having a photosensitive element mounting unit provided thereon; the two side covers are respectively positioned on two sides of the first frame and the second frame in the axis direction of the photosensitive element and are used for connecting the first frame and the second frame.
3. A process cartridge according to claim 1 or 2, further comprising a developing member position regulating assembly, wherein said developing member is movable relative to said photosensitive member.
4. A process cartridge according to claim 3, wherein said first conductive member is a conductive sheet, and the conductive sheet includes a fixed end connected to an inner wall of said side cover, a free end contacting a contact portion on said second conductive member, and a connecting portion connecting the fixed end and the free end.
5. A process cartridge according to claim 4, wherein said free end and said upper contact portion of said second conductive member generate a mutual acting force in the axial direction of the developing member during the abutment.
6. A process cartridge according to claim 4, wherein the connecting portion forms an obtuse angle with a fixed end of the first conductive member and an acute angle with a free end of the first conductive member.
7. A process cartridge according to claim 4, wherein a plane in which said free end is located is perpendicular to an axial direction of said developing member.
8. A process cartridge for an image forming apparatus according to claim 4, wherein said free end has a two-sheet structure and is a rectangle having the same shape.
9. A process cartridge according to claim 3, wherein said second conductive member is a conductive steel shaft, and a conductive steel shaft insertion portion and said contact portion are perpendicular to each other.
10. A process cartridge according to claim 3, wherein said first frame includes a storage compartment for storing the developer and a developing member accommodating chamber, and said developing member mounting unit and the developing member position regulating assembly are provided at an end of the developing member accommodating chamber.
11. A process cartridge according to claim 3, wherein said developing member mounting unit is disposed at a developer opening position on a storage room accommodating the developer, and the developing member position regulating member is disposed outside said storage room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310526591.1A CN104597737B (en) | 2013-10-30 | 2013-10-30 | Processing box for image forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310526591.1A CN104597737B (en) | 2013-10-30 | 2013-10-30 | Processing box for image forming device |
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| Publication Number | Publication Date |
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| CN104597737A CN104597737A (en) | 2015-05-06 |
| CN104597737B true CN104597737B (en) | 2022-03-01 |
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| CN201310526591.1A Active CN104597737B (en) | 2013-10-30 | 2013-10-30 | Processing box for image forming device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107272378B (en) * | 2017-08-17 | 2023-09-15 | 珠海天威飞马打印耗材有限公司 | Toner cartridge adapter, toner cartridge, and image forming system |
| CN109100924B (en) * | 2018-10-11 | 2023-09-01 | 东莞市合鼎盛自动化设备有限公司 | Printer DS and LPH value adjusting equipment |
| CN111157825A (en) * | 2020-01-08 | 2020-05-15 | 深圳市大隆科技有限公司 | Corona discharge detection method and device for electrical performance of functional component in electronic imaging system |
| CN113589666B (en) * | 2020-07-28 | 2024-01-05 | 极海微电子股份有限公司 | Toner cartridge |
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|---|---|---|---|---|
| CN1188266A (en) * | 1996-09-26 | 1998-07-22 | 佳能株式会社 | Coupling unit, photosensitive drum, process cartridge and electrophotographic image forming apparatus |
| CN1272638A (en) * | 1999-04-30 | 2000-11-08 | 佳能株式会社 | Developing device and power supply portion for applying developing bias voltage |
| CN1285531A (en) * | 1999-04-30 | 2001-02-28 | 佳能株式会社 | Developing equipment, operation box and power supply parts |
| JP2001265196A (en) * | 2000-01-13 | 2001-09-28 | Canon Inc | Process cartridge and electrophotographic image forming device |
| JP2007108691A (en) * | 2005-09-14 | 2007-04-26 | Brother Ind Ltd | Developing cartridge, process cartridge, and image forming apparatus |
| CN101226359A (en) * | 2007-01-15 | 2008-07-23 | 三星电子株式会社 | Image forming apparatus |
| JP2008203566A (en) * | 2007-02-20 | 2008-09-04 | Brother Ind Ltd | Image forming apparatus, process cartridge, and developing cartridge |
| CN201909946U (en) * | 2010-12-30 | 2011-07-27 | 珠海赛纳打印科技股份有限公司 | Developing unit for image forming device |
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2013
- 2013-10-30 CN CN201310526591.1A patent/CN104597737B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1188266A (en) * | 1996-09-26 | 1998-07-22 | 佳能株式会社 | Coupling unit, photosensitive drum, process cartridge and electrophotographic image forming apparatus |
| CN1272638A (en) * | 1999-04-30 | 2000-11-08 | 佳能株式会社 | Developing device and power supply portion for applying developing bias voltage |
| CN1285531A (en) * | 1999-04-30 | 2001-02-28 | 佳能株式会社 | Developing equipment, operation box and power supply parts |
| JP2001265196A (en) * | 2000-01-13 | 2001-09-28 | Canon Inc | Process cartridge and electrophotographic image forming device |
| JP2007108691A (en) * | 2005-09-14 | 2007-04-26 | Brother Ind Ltd | Developing cartridge, process cartridge, and image forming apparatus |
| CN101226359A (en) * | 2007-01-15 | 2008-07-23 | 三星电子株式会社 | Image forming apparatus |
| JP2008203566A (en) * | 2007-02-20 | 2008-09-04 | Brother Ind Ltd | Image forming apparatus, process cartridge, and developing cartridge |
| CN201909946U (en) * | 2010-12-30 | 2011-07-27 | 珠海赛纳打印科技股份有限公司 | Developing unit for image forming device |
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| CN104597737A (en) | 2015-05-06 |
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