CN210402017U - Carbon powder box - Google Patents
Carbon powder box Download PDFInfo
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- CN210402017U CN210402017U CN201921633773.8U CN201921633773U CN210402017U CN 210402017 U CN210402017 U CN 210402017U CN 201921633773 U CN201921633773 U CN 201921633773U CN 210402017 U CN210402017 U CN 210402017U
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- box body
- metal piece
- developing roller
- contact
- powder feeding
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Abstract
The utility model provides a toner cartridge, include: the box body is provided with a carbon powder cavity for containing carbon powder; the developing roller can be supported between the two end walls of the box body in a rotating mode around the axis of the developing roller, and comprises a developing roller shaft supported on the two end walls of the box body; the powder feeding roller can be supported between the two end walls of the box body in a rotating way around the axis of the powder feeding roller, and comprises powder feeding roller shafts supported on the two end walls of the box body; the first metal piece is provided with a first contact part and a first shaft sleeve part, the first contact part is used for being in contact with a power supply contact of a developing roller of the imaging equipment, and the first shaft sleeve part is sleeved at one end of the developing roller shaft; the second metal piece is provided with a second contact part and a second sleeve part, the second contact part is used for being in contact with a power supply contact of a powder feeding roller of the imaging equipment, and the second sleeve part is sleeved at one end of the powder feeding roller shaft; the first metal piece and the second metal piece are positioned on the outer side of the same end wall of the box body. The carbon powder box has good working stability and low production cost.
Description
Technical Field
The utility model belongs to the technical field of the printing consumables technique and specifically relates to a detachably installs imaging device's cartridge is related to.
Background
An image forming apparatus of an electrophotographic type, such as a laser printer, is an apparatus for forming an image on an image forming medium, such as paper, by using the principle of electrophotography through processes of charging, exposure, development, transfer, fixing, cleaning, and the like. Image forming apparatuses generally provide toner using a toner cartridge detachably mounted therein. Besides holding the toner, the toner cartridge usually integrates a developing member such as a developing roller, a toner feeding roller, a toner discharging blade, and the like, wherein the toner feeding roller is used for feeding the toner to the developing roller to form a toner layer, the toner discharging blade is used for adjusting the thickness of the toner layer on the developing roller, and the developing roller is used for developing the electrostatic latent image on the photosensitive element by using the toner carried on the developing roller. In the developing process, the developing roller, the powder feeding roller and the like generally need to be electrified to charge the toner with the required charges. Each developing component is electrically connected with each conductive contact arranged at the conductive end of the toner cartridge respectively, and after the toner cartridge is installed to the imaging equipment, each conductive contact is connected with each output electrical contact in the imaging equipment respectively so as to receive different voltages from the imaging equipment.
Referring to fig. 1, fig. 1 is a structural view of a toner cartridge detachably mountable to an image forming apparatus disclosed in the related art. The toner cartridge 1 comprises a cartridge body 14, a powder feeding roller (not shown), a developing roller 11, a powder feeding electrode 13 and a developing electrode 12, wherein the developing electrode 12 and the powder feeding electrode 13 extend outwards relative to the cartridge body 14, that is, the developing electrode 12 includes the developing protrusion 121, the powder feeding electrode 13 includes the powder feeding protrusion 131, the powder feeding protrusion 131 and the developing protrusion 121 are protruded outward with respect to the case body 14, so that the developing roller power feeding contact 2 of the image forming apparatus is brought into contact with the developing protrusion 121, the powder feeding roller power feeding contact 3 of the image forming apparatus is brought into contact with the powder feeding protrusion 131, the powder feeding electrode 13 and the developing electrode 12 are supplied with power through the powder feeding protrusion 131 and the developing protrusion 121, so that the developing electrode 12 and the powder feeding electrode 13 apply developing bias and powder feeding bias to the developing roller 11 and the powder feeding roller of the toner cartridge 1, therefore, the carbon powder at the developing position is transferred from the powder feeding roller to the developing roller 11 under the influence of the potential difference between the developing roller 11 and the powder feeding roller. Meanwhile, the photosensitive drum is supplied with toner under the action of the electric field force of the developing roller 11 and other members, so that the photosensitive drum is developed, and then the toner is transferred to paper by transfer.
The developing electrode 12 and the powder feeding electrode 13 are injection-molded parts containing conductive materials, and the conductive materials in the injection-molded parts are difficult to be uniformly distributed, so that the conductive end of the toner cartridge 1 is unstable in electrical connection with imaging equipment, poor conduction is caused, the voltage difference between the developing roller 11 and the powder feeding roller is small, and the transfer of the carbon powder on the powder feeding roller to the developing roller 11 is further influenced. The toner transferred to the developing roller 11 is less, which further affects the toner supply of the developing roller 11 to the photosensitive drum, thereby causing a poor printing phenomenon. Meanwhile, the conductive material is added into the injection molding piece, the high polymer material has high cost, and the cost of the toner cartridge 1 is greatly improved.
Disclosure of Invention
In order to solve the above problems, the main object of the present invention is to provide a toner cartridge with low cost and good working stability.
In order to realize the above-mentioned main objective, the utility model provides a toner cartridge, include: the box body is provided with a carbon powder cavity for containing carbon powder; the developing roller can be supported between the two end walls of the box body in a rotating mode around the axis of the developing roller, and comprises a developing roller shaft supported on the two end walls of the box body; the powder feeding roller can be supported between the two end walls of the box body in a rotating way around the axis of the powder feeding roller, and comprises powder feeding roller shafts supported on the two end walls of the box body; the first metal piece is provided with a first contact part and a first shaft sleeve part, the first contact part is used for being in contact with a power supply contact of a developing roller of the imaging equipment, and the first shaft sleeve part is sleeved at one end of the developing roller shaft; the second metal piece is provided with a second contact part and a second sleeve part, the second contact part is used for being in contact with a power supply contact of a powder feeding roller of the imaging equipment, and the second sleeve part is sleeved at one end of the powder feeding roller shaft; the first metal piece and the second metal piece are positioned on the outer side of the same end wall of the box body.
According to the scheme, the first contact part of the first metal piece is in contact with the developing roller power supply contact of the imaging device, and the voltage output by the developing roller power supply contact is transmitted to the developing roller shaft through the first sleeve part of the first metal piece. Meanwhile, a second contact part of the second metal piece is in contact with a power supply contact of a powder feeding roller of the imaging device, and voltage output by the power supply contact of the powder feeding roller is transmitted to the powder feeding roller shaft through a second shaft sleeve part of the second metal piece. Therefore, the developing roller shaft and the powder feeding roller shaft acquire different voltages, so that the carbon powder is stably transferred from the powder feeding roller to the developing roller under the influence of the potential difference between the developing roller and the powder feeding roller. First metalwork and second metalwork are the metalwork, and electric conductive property is more stable, effectively guarantees to send the carbon powder between powder roller and the developer roll to shift, makes the cartridge powder feeding more even, and print quality is stable. And moreover, the first metal piece and the second metal piece are all universal metal pieces, so that the production cost can be effectively reduced.
The toner cartridge further includes a bearing mounted on an end wall of the cartridge body, the first metal member is located between the bearing and the cartridge body, the bearing includes a first supporting portion and a first holding portion, the first holding portion holds the developing roller shaft in a rotatable manner, and the first supporting portion supports the first contact portion.
The first retaining portion is arranged in a cylindrical shape and sleeved on the first shaft sleeve portion to limit the first shaft sleeve portion, so that the first shaft sleeve portion is ensured to be in contact with the circumferential surface of the developing roller shaft, and the stability of electric contact is improved.
According to a further scheme, the toner cartridge further comprises an end cover, the end cover is mounted on one end wall of the cartridge body, the second metal piece is located between the end cover and the cartridge body, the end cover comprises a second supporting portion and a second retaining portion, the second retaining portion rotatably retains the powder feeding roller shaft, and the second supporting portion supports the second contact portion.
The second retaining part is arranged in a blind hole shape and sleeved on the second sleeve part to limit the second sleeve part, so that the second sleeve part is ensured to contact with the circumferential surface of the powder feeding roller shaft, and the stability of electric contact is improved.
According to a further scheme, the first metal piece is provided with a first connecting portion, the second metal piece is provided with a second connecting portion, the first connecting portion and the second connecting portion can be in contact with each other, the carbon powder box further comprises a fixing piece, the fixing piece is installed on one end wall of the box body, the first metal piece and the second metal piece are located between the fixing piece and the box body, a protrusion is arranged on the side face, facing the box body, of the fixing piece, and the protrusion is located between the first connecting portion and the second connecting portion.
According to the scheme, after the first metal piece and the second metal piece are installed on the same end wall of the box body, the first connecting portion of the first metal piece is in contact with the second connecting portion of the second metal piece. And then installing the fixing piece, wherein the protrusion of the fixing piece is positioned between the first connecting part and the second connecting part, namely the protrusion of the fixing piece forces the first connecting part of the first metal piece and the second connecting part of the second metal piece to be separated. First metalwork and second metalwork are integrative when installing to the box body, after with fixed first metalwork and second metalwork, the arch of mounting makes the first connecting portion of first metalwork and the second connecting portion of second metalwork realize separating, thereby make first metalwork and second metalwork separately become two independent parts, realize that the installation is integrative to detect the more reliable structure for the components of a whole that can function independently, make the voltage that developing roller axle and powder feeding roller axle obtained different, the carbon powder is under the influence of the potential difference between developing roller and powder feeding roller, realize the transfer of carbon powder from powder feeding roller to developing roller steadily.
Still further, the fixing member includes a developing roller shaft holding portion that rotatably holds the developing roller shaft and a powder feeding roller shaft holding portion that rotatably holds the powder feeding roller shaft.
The developing roller shaft holding part is sleeved on the first shaft sleeve part, and the powder feeding roller shaft holding part is sleeved on the second shaft sleeve part, so that the stability of working performance is improved.
According to a further scheme, the first metal piece is further provided with a first main body, the first contact part and the first shaft sleeve part are respectively connected to two ends of the first main body, a first through hole is formed in the first main body, and the first through hole is sleeved on the first mounting column on the end wall of the box body.
According to a further scheme, the second metal piece is further provided with a second main body, the second contact part and the second shaft sleeve part are respectively connected to two ends of the second main body, a second through hole is formed in the second main body, and the second through hole is sleeved on the second mounting column of the end wall of the box body.
Drawings
Fig. 1 is a structural view of a conventional toner cartridge.
Fig. 2 is a structural diagram of the first embodiment of the toner cartridge of the present invention.
Fig. 3 is a partially exploded view of a first embodiment of the toner cartridge of the present invention.
Fig. 4 is a partial structural view of the first embodiment of the toner cartridge of the present invention.
Fig. 5 is a structural diagram of a first metal component in a first embodiment of the toner cartridge of the present invention.
Fig. 6 is a structural diagram of a second metal component in the first embodiment of the toner cartridge of the present invention.
Fig. 7 is an exploded view of the first metal piece and the bearing of the first embodiment of the toner cartridge of the present invention.
Fig. 8 is an exploded view of the second metal piece and the end cap of the first embodiment of the toner cartridge of the present invention.
Fig. 9 is a structural diagram of a second embodiment of the toner cartridge of the present invention.
Fig. 10 is a partial structural view of a second embodiment of the toner cartridge of the present invention.
Fig. 11 is a partially exploded view of a second embodiment of the toner cartridge of the present invention.
Fig. 12 is a structural diagram of the first metal part, the second metal part and the box body of the second embodiment of the toner cartridge of the present invention.
Fig. 13 is a structural diagram of a fixing member in a second embodiment of the toner cartridge of the present invention.
Fig. 14 is a structural diagram of the first metal part, the second metal part and the fixing part in the second embodiment of the toner cartridge of the present invention.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
Toner cartridge first embodiment:
referring to fig. 2 to 4, the toner cartridge 4 includes a cartridge body 41, a developing roller 42, a powder feed roller (not labeled), a first metal member 45, a second metal member 46, a bearing 43, and an end cap 44, the cartridge body 41 having a toner chamber for accommodating toner. The developing roller 42 is supported between both end walls of the cartridge body 41 so as to be rotatable about its axis, and the developing roller 42 includes a developing roller shaft 421 supported on both end walls of the cartridge body 41. The powder feed roller is supported between both end walls of the box body 41 so as to be rotatable about its own axis, and includes a powder feed roller shaft 471 supported on both end walls of the box body 41. The first metal member 45 and the second metal member 46 are located outside the same end wall of the case 41 with the bearing 43 mounted on one end wall of the case 41, the first metal member 45 is located between the bearing 43 and the case 41, and the cap 44 is mounted on one end wall of the case 41 with the second metal member 46 located between the cap 44 and the case 41.
Referring to fig. 5, the first metal member 45 has a first body 451, a first contact portion 453 and a first boss portion 452, the first contact portion 453 and the first boss portion 452 are respectively connected to both ends of the first body 451, the first contact portion 453 is for contacting the developing roller power supply contact 2 of the image forming apparatus, and the first boss portion 452 is fitted over one end of the developing roller shaft 421. Specifically, the first sleeve portion 452 is provided in a cylindrical shape, and the first sleeve portion 452 is fitted over one end of the developing roller shaft 421 through a hole of the cylinder, so that the first sleeve portion 452 contacts the circumferential surface of the developing roller shaft 421. The first body 451 is formed with a first through hole 454, and the first through hole 454 is fitted over the first mounting post 411 on the end wall of the box 41.
Referring to fig. 6, the second metal member 46 has a second main body 461, a second contact portion 463 and a second sleeve portion 462, the second contact portion 463 and the second sleeve portion 462 are respectively connected to two ends of the second main body 461, the second contact portion 463 is used for contacting with the powder feeding roller power supply contact 3 of the image forming apparatus, and the second sleeve portion 462 is sleeved at one end of the powder feeding roller shaft 471. Specifically, the second boss portion 462 is provided in a cylindrical shape, and the second boss portion 462 is fitted to one end of the powder feed roller shaft 471 through a hole of the cylindrical shape, so that the second boss portion 462 contacts a circumferential surface of the powder feed roller shaft 471. The second main body 461 is provided with a second through hole 464, and the second through hole 464 is sleeved on the second mounting post 412 on the end wall of the box body 41.
Referring to fig. 7, the bearing 43 includes a first supporting portion 431, a first holding portion 432, and a first hooking portion 433, the first holding portion 432 rotatably holds the developing roller shaft 421, and the first supporting portion 431 supports the first contacting portion 453. Specifically, the first holding portion 432 is provided in a cylindrical shape, and the first holding portion 432 is fitted to the first boss portion 452. The first locking portion 433 extends in the axial direction of the case 41, a first flange 413 is provided on an end wall of the case 41 in a direction perpendicular to the axial direction, and the first locking portion 433 is locked to the first flange 413 to limit the position of the bearing 43 in the axial direction of the case 41. The bearing 43 is fixed to the end wall of the case 41 by screw engagement with the first mounting post 411.
Referring to fig. 8, the end cap 44 includes a second supporting portion 441, a second holding portion 442, and a second catching portion 443, the second holding portion 442 rotatably holds the powder feeding roller shaft 471, and the second supporting portion 441 supports the second contact portion 463. Specifically, the second holding portion 442 is disposed in a blind hole shape, and the second holding portion 442 is sleeved on the second sleeve portion 462. The second locking portion 443 extends in the axial direction of the case 41, the end wall of the case 41 is provided with a second flange 414 in a direction perpendicular to the axial direction thereof, and the second locking portion 443 is locked to the second flange 414 to restrict the position of the end cap 44 in the axial direction of the case 41. The end cap 44 is secured to the end wall of the housing 41 by screw engagement with the second mounting post 412.
When the toner cartridge 4 of the present embodiment is mounted to the image forming apparatus, the first contact portion 453 of the first metal member 45 contacts the developing roller power supply contact 2 of the image forming apparatus, and the voltage output from the developing roller power supply contact 2 is transmitted to the developing roller shaft 421 through the first sleeve portion 452 of the first metal member 45. Meanwhile, the second contact portion 463 of the second metal member 46 contacts the powder feeding roller power supply contact 3 of the image forming apparatus, and the voltage output from the powder feeding roller power supply contact 3 is transmitted to the powder feeding roller shaft 471 through the second sleeve portion 462 of the second metal member 46. Therefore, the developing roller shaft 421 and the powder feeding roller shaft 471 acquire different voltages, so that the carbon powder is stably transferred from the powder feeding roller to the developing roller 42 under the influence of the potential difference between the developing roller 42 and the powder feeding roller. The first metal piece 45 and the second metal piece 46 are both metal pieces, so that the conductivity is more stable, the carbon powder transfer between the powder feeding roller and the developing roller 42 is effectively ensured, the powder feeding of the toner cartridge 4 is more uniform, and the printing quality is stable. Moreover, the first metal piece 45 and the second metal piece 46 are all made of common metal pieces, so that the production cost can be effectively reduced.
Toner cartridge second embodiment:
as a description of the second embodiment of the toner cartridge of the present invention, only the differences from the first embodiment of the toner cartridge will be described below.
Referring to fig. 9 to 12, the toner cartridge 4 ' includes a case 41, a developing roller 42, a powder feeding roller, a first metal member 45 ', a second metal member 46 ', and a fixing member 48, the fixing member 48 is mounted on an end wall of the case 41, and the first metal member 45 ' and the second metal member 46 ' are both located between the fixing member 48 and the case 41. The first metal piece 45 'of this embodiment further has a first connecting portion 455, the second metal piece 46' further has a second connecting portion 465, and the first connecting portion 455 and the second connecting portion 465 can contact each other.
Referring to fig. 13, the fixing member 48 includes a developing roller shaft holding part 481 and a powder feeding roller shaft holding part 482, the developing roller shaft holding part 481 rotatably holds the developing roller shaft 421, and the powder feeding roller shaft holding part 482 rotatably holds the powder feeding roller shaft 471. Meanwhile, the developing roller shaft holding portion 482 is fitted to the first sleeve portion 452, and the powder feeding roller shaft holding portion 482 is fitted to the second sleeve portion 462. The side of the fixing member 48 facing the case 41 in this embodiment is provided with a projection 485, and the projection 485 is located between the first connecting portion 455 and the second connecting portion 465. The fixing member 48 is provided with a third engaging portion 483 and a fourth engaging portion 484 extending in the axial direction of the cartridge body 41, the third engaging portion 483 abuts the developing roller shaft holding portion 481, and the fourth engaging portion 484 abuts the powder feeding roller shaft holding portion 482. The third engaging portion 483 engages with the first flange 413, the fourth engaging portion 484 engages with the second flange 414, and the third engaging portion 483 and the fourth engaging portion 484 are used to limit the position of the fixing member 48 in the axial direction of the case 41.
Referring to fig. 14, when the first metal piece 45 'and the second metal piece 46' are mounted to the same end wall of the case 41, the first connecting portion 455 of the first metal piece 45 'and the second connecting portion 465 of the second metal piece 46' are in contact with each other. Subsequently, the fixing member 48 is installed, and the protrusion 485 of the fixing member 48 is located between the first connecting portion 455 and the second connecting portion 465, i.e. the protrusion 485 of the fixing member 48 forces the first connecting portion 455 of the first metal piece 45 'and the second connecting portion 465 of the second metal piece 46' to separate. The first metal piece 45 'and the second metal piece 46' are each a metal piece, and are integrated when mounted to the case 41. After the fixing member 48 is used to fix the first metal member 45 'and the second metal member 46', the protrusion 485 of the fixing member 48 separates the first connecting portion 455 of the first metal member 45 'from the second connecting portion 465 of the second metal member 46', so that the first metal member 45 'and the second metal member 46' are separated into two independent components, a more reliable structure with an integrated installation and detection as a separate body is realized, the voltages obtained by the developing roller shaft 421 and the powder feeding roller shaft 471 are different, and the carbon powder is stably transferred from the powder feeding roller to the developing roller 42 under the influence of the potential difference between the developing roller 42 and the powder feeding roller. The first metal piece 45 ' and the second metal piece 46 ' are both metal pieces, so that the conductivity is more stable, the carbon powder transfer between the powder feeding roller and the developing roller 42 is effectively ensured, the powder feeding of the carbon powder box 4 ' is more uniform, and the printing quality is stable. Moreover, the first metal piece 45 'and the second metal piece 46' are all universal metal pieces, so that the production cost can be effectively reduced.
Above embodiment is the preferred example of the utility model, and not the restriction the utility model discloses the range of implementing, the event all according to the utility model discloses the equivalent change or the decoration that structure, characteristic and principle were done of application for patent scope all should be included in the utility model discloses the patent application scope.
Claims (10)
1. A toner cartridge, comprising:
the box body is provided with a carbon powder cavity for containing carbon powder;
the developing roller can be supported between two end walls of the box body in a rotating mode around the axis of the developing roller, and comprises a developing roller shaft supported on the two end walls of the box body;
the powder feeding roller can be rotatably supported between the two end walls of the box body around the axis of the powder feeding roller, and comprises powder feeding roller shafts supported on the two end walls of the box body;
its characterized in that, the cartridge still includes:
the first metal piece is provided with a first contact part and a first shaft sleeve part, the first contact part is used for being in contact with a power supply contact of a developing roller of imaging equipment, and the first shaft sleeve part is sleeved at one end of the developing roller shaft;
the second metal piece is provided with a second contact part and a second shaft sleeve part, the second contact part is used for being in contact with a power supply contact of a powder feeding roller of the imaging equipment, and the second shaft sleeve part is sleeved at one end of the powder feeding roller shaft;
the first metal piece and the second metal piece are positioned on the outer side of the same end wall of the box body.
2. The toner cartridge of claim 1, wherein:
the toner cartridge further comprises a bearing, the bearing is mounted on one end wall of the cartridge body, and the first metal piece is located between the bearing and the cartridge body;
the bearing includes a first supporting portion that rotatably holds the developing roller shaft, and a first holding portion that supports the first contact portion.
3. The toner cartridge of claim 2, wherein:
the first holding portion is arranged in a cylindrical shape, and the first holding portion is sleeved on the first shaft sleeve portion.
4. The toner cartridge of claim 1, wherein:
the carbon powder box also comprises an end cover, the end cover is arranged on one end wall of the box body, and the second metal piece is positioned between the end cover and the box body;
the end cap includes a second supporting portion that rotatably holds the powder feed roller shaft, and a second holding portion that supports the second contact portion.
5. The toner cartridge of claim 4, wherein:
the second holding portion is arranged in a blind hole shape, and the second holding portion is sleeved on the second shaft sleeve portion.
6. The toner cartridge of claim 1, wherein:
the first metal piece is also provided with a first connecting part, the second metal piece is also provided with a second connecting part, and the first connecting part and the second connecting part can be contacted with each other;
the carbon powder box also comprises a fixing piece, the fixing piece is arranged on one end wall of the box body, and the first metal piece and the second metal piece are both positioned between the fixing piece and the box body;
the mounting orientation the side of box body is provided with the arch, the arch is located first connecting portion with between the second connecting portion.
7. The toner cartridge of claim 6, wherein:
the fixing member includes a developing roller shaft holding portion that rotatably holds the developing roller shaft, and a powder feeding roller shaft holding portion that rotatably holds the powder feeding roller shaft.
8. The toner cartridge of claim 7, wherein:
the developing roller shaft holding portion is fitted to the first sleeve portion, and the powder feeding roller shaft holding portion is fitted to the second sleeve portion.
9. The toner cartridge according to any one of claims 1 to 8, wherein:
the first metal piece is further provided with a first main body, the first contact part and the first shaft sleeve part are respectively connected to two ends of the first main body, a first through hole is formed in the first main body, and the first through hole is sleeved on the first mounting column of the end wall of the box body.
10. The toner cartridge according to any one of claims 1 to 8, wherein:
the second metal piece is further provided with a second main body, the second contact part and the second shaft sleeve part are respectively connected to two ends of the second main body, a second through hole is formed in the second main body, and the second through hole is sleeved on the second mounting column of the end wall of the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921633773.8U CN210402017U (en) | 2019-09-27 | 2019-09-27 | Carbon powder box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921633773.8U CN210402017U (en) | 2019-09-27 | 2019-09-27 | Carbon powder box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210402017U true CN210402017U (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921633773.8U Active CN210402017U (en) | 2019-09-27 | 2019-09-27 | Carbon powder box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210402017U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110515288A (en) * | 2019-09-27 | 2019-11-29 | 珠海天威飞马打印耗材有限公司 | Cartridge |
| CN117492342A (en) * | 2023-12-12 | 2024-02-02 | 珠海市颂洋科技有限公司 | Developing cartridge |
-
2019
- 2019-09-27 CN CN201921633773.8U patent/CN210402017U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110515288A (en) * | 2019-09-27 | 2019-11-29 | 珠海天威飞马打印耗材有限公司 | Cartridge |
| CN117492342A (en) * | 2023-12-12 | 2024-02-02 | 珠海市颂洋科技有限公司 | Developing cartridge |
| CN117492342B (en) * | 2023-12-12 | 2024-04-30 | 珠海市颂洋科技有限公司 | Developing cartridge |
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