CN210666351U - Developing box - Google Patents
Developing box Download PDFInfo
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- CN210666351U CN210666351U CN201922004498.XU CN201922004498U CN210666351U CN 210666351 U CN210666351 U CN 210666351U CN 201922004498 U CN201922004498 U CN 201922004498U CN 210666351 U CN210666351 U CN 210666351U
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- developing
- powder feeding
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- roller
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Abstract
The utility model provides a developing box, detachably install in the image forming device who contains first power supply part and second power supply part, include: the developing device comprises a box body, a developing roller, a powder feeding roller and an electrode, wherein developer is contained in the box body, the powder feeding roller is positioned in the box body and conveys the developer in the box body to the developing roller, the developing device is characterized in that the electrode is electrically connected with at least one of a first power supply part and a second power supply part in an image forming device, the electrode is simultaneously electrically connected with the developing roller and the powder feeding roller, and the electrode comprises a contact part electrically connected with the power supply part in the image forming device, a developing connecting part electrically connected with the developing roller and a powder feeding connecting part electrically connected with the powder feeding roller. It is advantageous for the miniaturization of the developing cartridge.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a laser printing field, in particular to developing box.
[ background of the invention ]
An image forming apparatus is a device that forms an image on a recording material by the principle of image formation, and generally includes a developing cartridge detachably mounted in an image forming apparatus main body.
In an image forming apparatus, a developing cartridge is usually detachably mounted therein as a replaceable consumable. The developing cartridge generally includes: the developing roller is rotatably arranged on the developing box body. In the image forming process, it is necessary to charge a developing roller to transfer developer carried by the developing roller to the surface of a photosensitive member, thereby forming an electrostatic latent image. When the developing cartridge is mounted in the image forming apparatus, the image forming apparatus charges the developing roller through the electrode on the developing cartridge. The electrode comprises a developing electrode electrically connected with a first power supply part of the image forming device and a powder feeding electrode electrically connected with a second power supply part of the image forming device, the developing electrode is electrically connected with the developing roller, the powder feeding electrode is electrically connected with the powder feeding roller, and a distance is reserved between the developing electrode and the powder feeding electrode, so that the developing roller and the powder feeding roller are prevented from being contacted, and different voltages are applied to the developing roller and the powder feeding roller.
However, the above-described electrode structure is disadvantageous to miniaturization of the developing cartridge.
[ Utility model ] content
The present application relates to a developing cartridge to solve the problem of miniaturization of the developing cartridge.
A developing cartridge detachably mountable to an image forming apparatus including a first power supply member and a second power supply member, comprising: the developing device comprises a box body, a developing roller, a powder feeding roller and an electrode, wherein developer is contained in the box body, the powder feeding roller is positioned in the box body and conveys the developer in the box body to the developing roller, the developing device is characterized in that the electrode is electrically connected with at least one of a first power supply part and a second power supply part in an image forming device, the electrode is simultaneously electrically connected with the developing roller and the powder feeding roller, and the electrode comprises a contact part electrically connected with the power supply part in the image forming device, a developing connecting part electrically connected with the developing roller and a powder feeding connecting part electrically connected with the powder feeding roller.
The developing connecting part is a voltage reducing element.
The contact part and the powder feeding connecting part are integrally formed, and the positioning protrusion of the box body is inserted into the first positioning hole of the pressure-reducing element and the second positioning hole of the powder feeding connecting part.
The electrode further includes a circuit board, and the developing connecting portion is electrically connected to the contact portion or the powder feeding contact portion through the circuit board.
The contact part and the powder feeding connecting part are integrally formed, and the positioning protrusion of the box body is inserted into the first positioning hole of the circuit board and the second positioning hole of the powder feeding connecting part.
The electrode is formed by two-time injection molding of two materials, the electrode is divided into a first electrode and a second electrode by a non-conductive part, the first electrode is electrically connected with the first power supply part and the developing roller, and the second electrode is electrically connected with the second power supply part and the powder feeding roller.
The contact portion is formed of a conductive resin, the powder feeding connecting portion is formed of a conductive metal, and the developing connecting portion is formed of a conductive metal.
The contact portion is formed of a conductive resin, the powder feeding connecting portion is formed of a conductive metal, and the developing connecting portion is formed of a conductive resin.
At least two of the contact portion, the developing attachment portion and the powder feeding attachment portion are integrally formed.
The utility model provides a developing box makes the electrode miniaturized to be favorable to developing box's miniaturization.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a perspective view of a developing cartridge according to one embodiment;
FIG. 2 is an exploded view of a developing cartridge according to one embodiment;
FIG. 3 is a perspective view of a contact portion and a powder feeding connecting portion in an electrode of a developing cartridge according to a first embodiment;
FIG. 4 is a perspective view of a developing attachment portion of the developing cartridge according to the first embodiment;
FIG. 5 is a schematic view showing a secondary injection molded electrode of a developing cartridge according to a second embodiment;
FIG. 6 is a perspective view of a developing cartridge in the third embodiment;
FIG. 7 is an exploded perspective view of a developing cartridge according to a third embodiment;
FIG. 8 is a perspective view of a contact portion and a powder feeding connecting portion in an electrode of a developing cartridge according to a third embodiment;
FIG. 9 is a perspective view of an end cap of a developing cartridge in a third embodiment;
FIG. 10 is a perspective view of a circuit board of a developing cartridge in a third embodiment;
FIG. 11 is a perspective view of a developing cartridge in the fourth embodiment;
FIG. 12 is an exploded perspective view of a developing cartridge according to the fourth embodiment.
FIG. 13 is a perspective view of a developing cartridge in the fifth embodiment;
FIG. 14 is an exploded perspective view of a developing cartridge according to the fifth embodiment;
FIG. 15 is a perspective view of a powder feeding connecting portion of a developing cartridge in the fifth embodiment;
FIG. 16 is a perspective view of an end cap of a developing cartridge in a fifth embodiment;
FIG. 17 is a perspective view of a contact portion of the developing cartridge in the fifth embodiment;
FIG. 18 is a perspective view of a developing cartridge in the sixth embodiment;
FIG. 19 is an exploded perspective view of a developing cartridge according to the sixth embodiment;
FIG. 20 is a perspective view of a contact portion and a developing attachment portion in an electrode of a developing cartridge according to a sixth embodiment.
[ detailed description ] embodiments
The technical means of the present invention will be described below with reference to specific embodiments.
Example one
Fig. 1 is a perspective view of a developing cartridge according to a first embodiment, and fig. 2 is an exploded perspective view of the developing cartridge according to the first embodiment. As shown in the figure, the developing cartridge 1 includes: box body 10, developing roller 11, powder feeding roller 12, electrode 13 and bearing 18, electrode 13 includes: a contact portion 130 (see fig. 3) electrically connected to a power supply member in the image forming apparatus, a developing attachment portion 20 electrically connected to the developing roller 11, and a powder feeding attachment portion 132 (see fig. 3) electrically connected to the powder feeding roller 12, and a positioning protrusion 16 protruding outward is provided on the left side wall 101 of the case body 10. The contact portion 130, the bearing 18, and the developing attachment portion 20 are detachably attached independently, wherein the contact portion 130 of the electrode 13 is electrically connected to one of the first power supply member or the second power supply member in the image forming apparatus.
The contact portion 130 is formed integrally with the powder feeding connecting portion 132, and a bearing 18 is provided between the powder feeding connecting portion 132 and the developing connecting portion 20, the bearing 18 including: a bearing plate 180, a developing accommodating part 181 for accommodating the shaft of the developing roller 11, a powder feeding accommodating part 182 for accommodating the shaft of the powder feeding roller 12, and a third positioning hole 183, the third positioning hole 183 being engaged with the positioning projection 16, so that the bearing 18 is fixedly attached to the upper surface of the cartridge body 10.
Fig. 3 is a perspective view of the contact portion and the powder feeding connecting portion in the electrode of the developing cartridge according to the first embodiment, as shown in the figure, the powder feeding connecting portion 132 is provided with the second positioning hole 131, the second positioning hole 131 is snapped on the positioning protrusion 16, so that the contact portion 130 and the powder feeding connecting portion 132 are fixedly connected to the upper surface of the cartridge body 10, and the powder feeding connecting portion 132 is snapped on one end 12a of the shaft of the powder feeding roller 12, so as to electrically connect the powder feeding connecting portion 132 and the powder feeding roller 12.
Fig. 4 is a perspective view of a developing attachment portion of the developing cartridge according to the first embodiment, and as shown in the drawing, the developing attachment portion 20 includes: a main body 21, a first positioning hole 211, a first conductive sheet 212 and a second conductive sheet 213. The developing connecting portion 20 is engaged with the positioning protrusion 16 through the first positioning hole 211 to be fixedly connected to the upper surface of the box body 10, the first conductive sheet 212 is electrically connected to one end 11a of the developing roller 11, and the second conductive sheet 213 is electrically connected to the contact portion 130, so that the electrode 13 conducts electricity to the developing roller 11. The developing connecting portion 20 adjusts the voltage applied to the developing roller 11 by the electrode 13, so that the voltage of the developing roller 11 is kept in a stable state, and the stability of the operation of the developing cartridge is improved.
Example two
This embodiment is another solution to the developing cartridge of the structure of fig. 1 in the first embodiment.
Fig. 5 is a schematic view of a double injection molding electrode of a developing cartridge according to a second embodiment, as shown in fig. 5, an electrode 13 is formed by double injection molding of two materials, wherein the electrode 13 is divided into a first electrode and a second electrode by an electrode non-conductive portion 1330, the first electrode includes a first electrode protrusion 1333a and a developing connecting portion 1331, the second electrode includes a second electrode protrusion 1333b and a powder feeding connecting portion 1332, the first electrode protrusion 1333a and the second electrode protrusion 1333b are respectively disposed on two sides of the front surface of the electrode 13, and the first electrode protrusion 1333a and the second electrode protrusion 1333b are respectively in contact with a first power supply member and a second power supply member in an image forming apparatus for receiving electric power from the image forming apparatus; the electrode non-conductive portion 1330 is disposed between the first electrode protrusion 1333a and the second electrode protrusion 1333b for isolating resistance; the back of the electrode 13 is provided with a developing connecting part 1331 and a powder feeding connecting part 1332, the developing connecting part 1331 and the powder feeding connecting part 1332 are arranged below the first electrode protrusion 1333a and the second electrode protrusion 1333b in parallel, the developing connecting part 1331 is electrically connected with one end 11a of the developing roller 11, and the powder feeding connecting part 1332 is electrically connected with one end 12a of the powder feeding roller 12, so that the electrode 13 conducts electricity to the developing roller 11 and the powder feeding roller 12.
Preferably, the electrode non-conductive part 1330 is made of an insulating material, and the developing connection part 1331 and the powder feeding connection part 1332 may be formed of a conductive resin.
The electrode 13 may be electrically connected to the developing roller 11 through a conductive member, which may be a conductive material such as a wire.
EXAMPLE III
In the present embodiment, a developing cartridge is provided, and the portions not indicated are the same as those of the first and second embodiments.
Fig. 6 is a perspective view of a developing cartridge according to a third embodiment, fig. 7 is an exploded schematic view of the developing cartridge according to the third embodiment, and fig. 9 is a perspective view of an end cap of the developing cartridge according to the third embodiment. As shown in the figure, the developing cartridge 1 includes: cartridge 10, developer roll 11, powder feed roller 12, electrode 13 and end cover A18, electrode 13 includes: a contact portion 130 electrically connected to a power supply member in the image forming apparatus, a developing connection portion 30 electrically connected to the developing roller 11, a powder feeding contact portion 132 electrically connected to the powder feeding roller 12, and a circuit board a20, a first positioning projection 16, a second positioning projection 17 projecting outward, and a developing roller shaft supporting portion 15 for supporting the shaft of the developing roller 11 are provided on the left side wall 101 of the cartridge body 10, wherein a recess 15a is provided on the developing roller shaft supporting portion 15. The contact 130, end cap a18 and circuit board a20 are independently removably connected.
Fig. 8 is a perspective view of a contact portion and a powder feeding connecting portion in an electrode of a developing cartridge according to a third embodiment, as shown in the figure, the contact portion 130 is formed integrally with the powder feeding connecting portion 132, and the powder feeding connecting portion 132 includes: a second positioning hole 131, a first waist-shaped hole 133 and a second waist-shaped hole 134, wherein the second positioning hole 131 is clamped on the second positioning protrusion 17, so that the powder feeding connecting portion 132 is fixedly connected to the upper surface of the box body 10, the powder feeding connecting portion 132 is clamped on one end 12a of the shaft of the powder feeding roller 12, the powder feeding connecting portion 132 is electrically connected with the powder feeding roller 12, and the electrode 13 is electrically conductive to the powder feeding roller 12.
End cap a18 includes: an end cover plate A180, a developing accommodating part A181 for accommodating the shaft of the developing roller 11, a powder feeding accommodating part A182 for accommodating the shaft of the powder feeding roller 12, and a third positioning hole A183, wherein the inner side wall of the developing accommodating part A181 is provided with an elongated groove A181a for arranging the lead wires of the developing attachment 30. The third positioning hole a183 is clamped on the second positioning protrusion 17, and the screw 50 is inserted into the second positioning protrusion 17 through the third positioning hole a183, so that the end cap a18 is fixedly connected to the upper surface of the box body 10.
As shown in fig. 10, the circuit board a20 is provided with a first positioning hole a21, a first through hole a22 and a second through hole a23, the first positioning hole a21 is clamped on the first positioning protrusion 16, and the screw 40 is installed in the first positioning protrusion 16 through the first positioning hole a21, so that the circuit board a20 is fixedly connected to the box body 10.
A developing connecting portion 30 is arranged between the developing roller shaft end 11a and the developing accommodating portion a181, one end of the developing connecting portion 30 is abutted against one end 11a of the developing roller shaft 11, the other end is abutted against the developing accommodating portion a181, wherein the developing connecting portion 30 is provided with a lead 31, the lead 31 passes through the groove 15a and is electrically connected with the circuit board a20 through a first through hole a22 of the circuit board a20, a spring 32 is arranged between the powder feeding connecting portion 132 and the circuit board a20, the spring 32 is provided with a free end, and the free end passes through the first waist-shaped hole 133 and is installed in a second through hole a23 of the circuit board a20, so that the powder feeding connecting portion 132 is electrically connected with the circuit board a20, and the electrode 13 is further electrically connected with the.
The circuit board a20 regulates the voltage applied by the electrode 13 to the developing roller 11, so that the voltage of the developing roller 11 is kept in a stable state, and the stability of the operation of the developing cartridge is improved.
Example four
In the present embodiment, development is provided, and the portions not indicated are the same as those of the developing cartridge of the first embodiment.
As shown in fig. 11 and 12, the electrode includes a contact portion 73 electrically connected to a power supply member in the image forming apparatus, a developing connection portion 60, a powder feeding connection portion 70, and a circuit board 19, the circuit board 19 is provided with a first positioning hole 191 and a fifth positioning hole 192, the first positioning hole 191 is caught on the first positioning projection 16, and the fifth positioning hole 192 is caught on the second positioning projection 17, so that the circuit board 19 is fixedly attached to the cartridge 10. The contact portion 73 is formed integrally with the powder feeding connecting portion 70, and the contact portion 73 is electrically connected to the first power feeding member or the second power feeding member.
The developing connecting portion 60 includes a third through hole 61 and a fourth through hole 62, the third through hole 61 is clamped on the second positioning protrusion 17 and electrically connected to the fifth positioning hole 192, the fourth through hole 62 is connected to one end 11a of the shaft of the developing roller 11, so that the circuit board 19 conducts electricity to the developing roller 11, wherein the screw 90 is installed into the second positioning protrusion 17 through the third through hole 61, so that the developing connecting portion 60 is fixedly connected to the cartridge body 10.
The powder feeding connecting part 70 comprises a second positioning hole 71 and a sixth through hole 72, the second positioning hole 71 is clamped on the first positioning protrusion 16 and is electrically connected with a fourth positioning hole 191, the sixth through hole 72 is connected with one end 12a of the shaft of the powder feeding roller 12, so that the power of the circuit board 19 for the powder feeding roller 12 is conducted, the screw 80 penetrates through the second positioning hole 71 to be installed in the first positioning protrusion 16, the powder feeding connecting part 70 is fixedly connected on the box body 10, and therefore the circuit board 19 is conducted to the developing roller 11 and the powder feeding roller 12. The contact portion 73 is electrically connected to the circuit board 19, the circuit board 19 is electrically connected to the developing attachment portion 60, and the developing attachment portion 60 is electrically connected to the developing roller 11, so that the circuit board is used to adjust the voltage applied to the developing roller by the power supply member.
EXAMPLE five
Fig. 13 is a perspective view of the developing cartridge according to the fifth embodiment, and fig. 14 is an exploded schematic view of the developing cartridge according to the fifth embodiment. As shown in the figure, the developing cartridge 1 includes: cartridge 10, developer roller 11, powder feed roller 12, electrode B13 and end cap B18, electrode B13 includes: a contact portion B130 formed of conductive resin, a developing connection portion B30, and a powder feeding connection portion B20, the contact portion B130 being for contacting the image forming apparatus and receiving power from the image forming apparatus, the left side wall 101 of the case body 10 being provided with a first positioning projection 16 projecting outward. Contact portion B130, developing connection portion B30, powder feeding connection portion B20, and end cap B18 are independently detachably connected.
FIG. 15 is a perspective view of a powder feeding connecting portion of a developing cartridge in the fifth embodiment. As shown in the drawing, the powder feeding connecting portion B20 is provided with a first positioning hole B21 and a first through hole B22. The inner edge of the first through hole B22 is provided with a first conducting strip B23 and a second conducting strip B24 which protrude outwards, and the first positioning hole B21 is provided with a reverse fastener B25 which protrudes outwards at one end close to the first through hole B22. The first positioning hole B21 is engaged with the first positioning protrusion 16, and the screw B40 is inserted into the first positioning protrusion 16 through the first positioning hole B21, so that the powder feeding connection portion B20 is fixedly connected to the box body 10. The powder feeding connection portion B20 is formed of a conductive metal.
Fig. 16 is a perspective view of an end cap of a developing cartridge in a fifth embodiment. As shown, end cap B18 includes: a developing accommodating portion B181 for accommodating the shaft of the developing roller 11, a powder feeding accommodating portion B182 for accommodating the shaft of the powder feeding roller 12, and a second positioning hole B183, wherein the second positioning hole B183 is provided with a first groove B183a at an end close to the powder feeding accommodating portion B182. The second positioning hole B183 is engaged with the first positioning protrusion 16, and the screw B40 is inserted into the first positioning protrusion 16 through the second positioning hole B183, so that the end cap B18 is fixedly connected to the upper surface of the case body 10.
The contact portion B130 is provided with a first receiving portion B131 and a third positioning hole B132, wherein the third positioning hole B132a is provided with a second groove B132 a. The third positioning hole B132 is caught on the first positioning protrusion 16, so that the contact portion B130 is fixedly coupled to the upper surface of the case body 10.
A developing connecting portion B30 is provided between the developing roller shaft end 11a and the developing accommodating portion B181, one end of the developing connecting portion B30 abuts against one end 11a of the developing roller shaft 11, and the other end abuts against the first accommodating portion B131 of the contact portion B130 through the developing accommodating portion B181, so that the developing connecting portion B30 is electrically connected to the developing roller 11, and the electrode B13 conducts electricity to the developing roller 11. Alternatively, the development connecting portion is formed of a conductive metal.
When the contact part B130, the end cover B18 and the powder feeding connecting part B20 are sequentially installed on the box body 10, the reverse fastener B25 of the powder feeding connecting part B20 sequentially penetrates through the first groove B183a of the end cover B18 and the second groove B132a of the electrode B13, and is finally clamped on the contact part B130, and the matching structure can prevent the powder feeding connecting part from easily falling off. Meanwhile, the first through hole B22 is clamped on the shaft of the powder feeding roller 12, the first conducting strip B23 and the second conducting strip B24 are tightly attached to the shaft end 12a of the powder feeding roller 12, the powder feeding connecting part B20 is electrically connected with the powder feeding roller 12, and the electrode B13 is used for conducting electricity for the developing roller 11 and the powder feeding roller 12 at the same time. The electrode B13 supplies power to the developing roller 11 and the powder feeding roller 12 at the same time, reducing the structure of positioning the electrode on the cartridge body and simplifying the structure of the electrode.
EXAMPLE six
In the present embodiment, a developing cartridge is provided, and the portions not indicated are the same as those of the fourth embodiment.
As shown in fig. 18, 19 and 20, the electrode includes: a developing connection part C61 formed of a conductive resin, a first positioning hole C62, a contact part (C63, C64) formed of a conductive resin. Wherein the contact portion (C63, C64) is integrally formed with the developing connecting portion C61, the first positioning hole C62 is engaged with the first positioning protrusion 16, and the screw C50 is fitted into the first positioning protrusion 16 through the first positioning hole C62, so that the electrode is mounted on the cartridge body 10. One end 11a of the developing roller shaft abuts against the developing connecting portion C61, and the developing connecting portion C61 is electrically connected to the developing roller 11.
The powder feeding connection part C70 includes: the second through hole C71, the second positioning hole C72, the first electrical connection portion C73 and the second electrical connection portion C74 extending outward. The second positioning hole C72 is provided on the first positioning protrusion 16, and the screw C50 is fitted into the first positioning protrusion C16 through the second positioning hole C72, so that the powder feeding connecting portion C70 is fitted to the box body 10. The second through hole C71 is sleeved on the powder feeding roller shaft end 12a, and the first electric connecting part C73 and the second electric connecting part C74 are installed in the contact parts (C63 and C64) to realize the electric connection of the powder feeding connecting part C70 and the powder feeding roller 12, so that the electrode conducts electricity to the powder feeding roller through the powder feeding connecting part C70. The installation mode of the electrode and the powder feeding connecting part C70 can save cost and reduce working hours. Preferably, the powder feeding connecting portion is formed of a conductive metal.
The contact portion, the powder feeding connecting portion, and the developing connecting portion may also be integrally formed in this embodiment.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, but not to discard the alignment restriction; while the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (9)
1. A developing cartridge detachably mountable to an image forming apparatus including a first power supply member and a second power supply member, comprising: the developing device comprises a box body, a developing roller, a powder feeding roller and an electrode, wherein developer is contained in the box body, the powder feeding roller is positioned in the box body and conveys the developer in the box body to the developing roller, the developing device is characterized in that the electrode is electrically connected with at least one of a first power supply part and a second power supply part in an image forming device, the electrode is simultaneously electrically connected with the developing roller and the powder feeding roller, and the electrode comprises a contact part electrically connected with the power supply part in the image forming device, a developing connecting part electrically connected with the developing roller and a powder feeding connecting part electrically connected with the powder feeding roller.
2. A developing cartridge according to claim 1, wherein the developing attachment portion is a pressure-reducing member.
3. The developing cartridge according to claim 2, wherein the contact portion is formed integrally with the powder feeding connecting portion, and the positioning projection of the cartridge body is inserted into the first positioning hole of the pressure-reducing member and the second positioning hole of the powder feeding connecting portion.
4. The developing cartridge according to claim 1, wherein the electrode further includes a circuit board, and the developing connecting portion is electrically connected to the contact portion or the powder feeding contact portion through the circuit board.
5. A developing cartridge according to claim 4, wherein the contact portion is formed integrally with the powder feeding connecting portion, and the positioning projection of the cartridge body is inserted into the first positioning hole of the circuit board and the second positioning hole of the powder feeding connecting portion.
6. A developing cartridge according to claim 1, wherein the electrode is formed by two-shot molding of two materials, the electrode is divided into a first electrode and a second electrode by the non-conductive portion, the first electrode is electrically connected to the first power supply member and the developing roller, and the second electrode is electrically connected to the second power supply member and the powder feeding roller.
7. A developing cartridge according to claim 1, wherein the contact portion is formed of a conductive resin, the powder feeding connecting portion is formed of a conductive metal, and the developing connecting portion is formed of a conductive metal.
8. A developing cartridge according to claim 1, wherein the contact portion is formed of a conductive resin, the powder feeding connecting portion is formed of a conductive metal, and the developing connecting portion is formed of a conductive resin.
9. The developing cartridge according to claim 1, wherein at least two of the contact portion, the developing connecting portion and the powder feeding connecting portion are integrally formed.
Applications Claiming Priority (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019213874280 | 2019-08-23 | ||
| CN201921387428 | 2019-08-23 | ||
| CN201921406321 | 2019-08-27 | ||
| CN2019214063216 | 2019-08-27 | ||
| CN201921443176 | 2019-08-29 | ||
| CN2019214431769 | 2019-08-29 | ||
| CN201921684374 | 2019-10-09 | ||
| CN2019216843744 | 2019-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210666351U true CN210666351U (en) | 2020-06-02 |
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ID=70820971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922004498.XU Active CN210666351U (en) | 2019-08-23 | 2019-11-19 | Developing box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210666351U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11442399B2 (en) | 2020-07-15 | 2022-09-13 | Jiangxi Yibo E-Tech Co. Ltd. | Developing cartridge |
-
2019
- 2019-11-19 CN CN201922004498.XU patent/CN210666351U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11442399B2 (en) | 2020-07-15 | 2022-09-13 | Jiangxi Yibo E-Tech Co. Ltd. | Developing cartridge |
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