CN114442449A - Developing box, processing box and electronic imaging equipment - Google Patents
Developing box, processing box and electronic imaging equipment Download PDFInfo
- Publication number
- CN114442449A CN114442449A CN202011200886.6A CN202011200886A CN114442449A CN 114442449 A CN114442449 A CN 114442449A CN 202011200886 A CN202011200886 A CN 202011200886A CN 114442449 A CN114442449 A CN 114442449A
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- developing cartridge
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- developing
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- 238000003384 imaging method Methods 0.000 title claims description 13
- 238000012545 processing Methods 0.000 title description 3
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 239000004020 conductor Substances 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 9
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 239000000843 powder Substances 0.000 description 13
- 239000002184 metal Substances 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 3
- 229930040373 Paraformaldehyde Natural products 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920006324 polyoxymethylene Polymers 0.000 description 2
- -1 Polyoxymethylene Polymers 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
-
- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Electrophotography Configuration And Component (AREA)
Abstract
A developing cartridge detachably mountable to a drum unit detachably mountable to an electronic image forming apparatus including a power supply member; the drum unit includes: a first housing; a photosensitive drum rotatably supported to the first housing and rotating along a steel shaft extending in a longitudinal direction of the first housing; the developing cartridge includes: a second housing; a developing roller rotatably supported to the second casing, the developing roller rotating along a developing roller shaft extending in a longitudinal direction of the second casing; the conductive part comprises an input contact, an output contact and a grounding contact; the input contact is electrically connected with the power supply component, the output contact is electrically connected with the developing roller shaft, and the grounding contact is grounded.
Description
Technical Field
The invention relates to the technical field of electronic imaging, in particular to a developing box, a processing box and electronic imaging equipment.
Background
In order to achieve the purpose of miniaturization and cost reduction, the two electrodes are made into an integrated structure, until the developing roller and the powder feeding roller are powered by voltage received by an electrode contact (powder feeding roller electrode), the developing roller and the powder feeding roller are applied with the same voltage, and the printing quality of the image forming device is seriously influenced.
Disclosure of Invention
The invention mainly aims to provide a developing box which can improve the printing quality of an image forming device, and in order to achieve the technical effects, the developing box is realized by the following technical scheme:
a developing cartridge detachably mountable to a drum unit detachably mountable to an electronic image forming apparatus including a power supply member;
the drum unit includes: a first housing;
a photosensitive drum rotatably supported by the first housing and rotating along a steel shaft extending in a longitudinal direction of the first housing;
the developing cartridge includes:
a second housing;
a developing roller rotatably supported to the second casing, the developing roller rotating along a developing roller shaft extending in a longitudinal direction of the second casing;
the circuit is characterized by further comprising a conductive part, wherein the conductive part comprises an input contact, an output contact and a grounding contact; the input contact is electrically connected with the power supply component, the output contact is electrically connected with the developing roller shaft, and the grounding contact is grounded. .
Further, the steel shaft is grounded, and the grounding contact is connected with the steel shaft.
Further, the conductive part further includes a first impedance unit and a second impedance unit, the first impedance unit is electrically connected between the input contact and the output contact, and the second impedance unit is electrically connected between the output contact and the ground contact.
Further, the resistance value of the first impedance unit is greater than 1M Ω, and the resistance value of the second impedance unit is greater than 1M Ω.
Further, the first impedance unit includes a first connection section, and the second impedance unit includes a second connection section, the first connection section being configured as a resin having conductivity, and the second connection section being configured as a resin having conductivity.
Further, the first impedance unit includes a first connection conductor and a first resistance element provided on the connection conductor, and the second impedance unit includes a second connection conductor and a second resistance element provided on the second connection conductor; the resistance value of the first resistance element is larger than 1M omega, and the resistance value of the second resistance element is larger than 1M omega.
Further, the conductive portion includes a first plane, a second plane, and a stepped portion or a slope connecting the first plane and the second plane.
Further, the conductive part further comprises a voltage-reducing chip, an input pin of the voltage-reducing chip is connected with the input contact, an input pin of the voltage-reducing unit is connected with the output contact, and a grounding pin of the voltage-reducing chip is grounded.
The present invention also provides a process cartridge detachably mountable to an electronic image forming apparatus including a power supply member, characterized by comprising:
a drum unit including:
a first housing;
a photosensitive drum rotatably supported by the first housing and rotating along a steel shaft extending in a longitudinal direction of the first housing;
and the developing cartridge described above.
The present invention also provides an electronic imaging device comprising:
a power supply member;
and the developing box is detachably arranged in the electronic imaging equipment.
After the technical scheme is adopted, the invention provides a novel electric transmission structure, wherein the input contact, the output contact and the grounding contact form a complete electric transmission loop, the voltage is accessed from a power supply component in the electronic imaging equipment through the input contact, and the processed voltage is output to the developing roller through the output contact, so that the adaptation of the voltage applied by the developing roller is realized, and the printing quality of the electronic imaging equipment is ensured.
Drawings
FIG. 1 is a schematic perspective view of a process cartridge according to a first embodiment of the present invention;
FIG. 2 is a schematic view of a first angled exploded view of a process cartridge according to one embodiment of the present invention;
FIG. 3 is a schematic view of a first angle of the process cartridge according to one embodiment of the present invention;
FIG. 4 is a schematic view of a neutralization drum unit without a first housing at a first angle in accordance with an embodiment of the present invention;
FIG. 5 is a schematic view of a second angled, partially exploded view of a developer cartridge in accordance with one embodiment of the present invention;
FIG. 6 is a schematic perspective view of a receiving bracket of the developing cartridge according to the first embodiment of the present invention;
FIG. 7 is a schematic perspective view of a conductive holder of a developing cartridge according to an embodiment of the present invention;
FIG. 8 is a schematic perspective view of a conductive holder of a developing cartridge according to an embodiment of the present invention;
FIG. 9 is a schematic diagram showing an equivalent circuit of a conductive holder of a developing cartridge according to a first embodiment of the present invention;
FIG. 10 is a schematic perspective view of a conductive portion of a developing cartridge according to a second embodiment of the present invention;
fig. 11 is a schematic perspective view of a developing cartridge in a third embodiment of the invention;
fig. 12 is an exploded view schematically showing a developing cartridge according to a third embodiment of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to 12, the present invention provides an electronic imaging apparatus including: the power supply member and the process cartridge, wherein the process cartridge is detachably mountable to an electrophotographic apparatus, and includes a drum unit and a developing cartridge.
The drum unit 1 includes a photosensitive drum 11, a charging roller 12, and a first casing 13. The first housing 13 has a first side surface and a second side surface which are arranged oppositely in the longitudinal direction, the first side surface is arranged at the non-driving end of the developing box, and the second side surface is arranged at the driving end of the developing box; the photosensitive drum 11 extends along a longitudinal direction and is rotatably supported between the first side and the second side, and a coupling member is disposed on the second side of the photosensitive drum 11 on the first housing 13, and the coupling member passes through the second side and is exposed out of the second side for receiving a driving force of the image forming apparatus and driving the photosensitive drum 11 to rotate. The charging roller 12 is rotatably supported between the first side and the second side so that the charging roller 12 can rotate in contact with the photosensitive drum 11 as the photosensitive drum 11 rotates. The first housing 13 is formed with a waste toner hopper for accommodating a developer remaining after transfer between the first side surface and the second side surface.
When the developing cartridge is mounted in the electrophotographic apparatus for use, the developing cartridge 2 is now mounted in the drum unit 1, forming a split type process cartridge structure. The developing cartridge 2 includes a developing roller 21, a powder feed roller 22, and a second casing 23. The second housing 23 is formed with a powder hopper for accommodating developer; the developing roller 21 extends in the longitudinal direction, for carrying developer, is rotatably provided in the second casing 23 and is contactable with the photosensitive drum 11; the powder feed roller 22 is provided in the powder hopper extending in the longitudinal direction and is contactable with the developing roller 21 to charge the developer.
The developing cartridge 2 further includes a receiving bracket 24 which is an insulator, preferably an insulating plastic member, and which is provided with a developing roller bearing 241 and a powder feeding roller bearing 242, and an end of the developing roller shaft of the developing roller 21 on the conductive side is rotatably supported in the developing roller bearing 241, and an end of the powder feeding roller shaft of the powder feeding roller 22 on the conductive side is rotatably supported in the powder feeding roller bearing 242.
The developing cartridge 2 further includes a conductive portion 3, the conductive portion 3 including a conductive holder 31 including an input contact 311, an output contact 312, a ground contact 313, a first connecting section 314, and a second connecting section 315, and an electric connector 32; among them, a first connection section 314 is formed between the input contact 311 and the output contact 312, a second connection section 315 is formed between the output contact 312 and the ground contact 313, the input contact 311 is electrically connected to a power supply member (not shown) in the image forming apparatus, the output contact 312 is electrically connected to the developing roller 21 through the electrical connector 32, and the ground contact 313 is grounded. In the present embodiment, the grounding contact 313 is electrically connected to the steel shaft 14 of the photosensitive drum 11, and since the steel shaft 14 of the photosensitive drum 11 is grounded, the grounding contact 313 may be grounded through the steel shaft 14 of the photosensitive drum 11. The first connection section 314 is configured as a first impedance unit, and the second connection section 315 is configured as a second impedance unit.
The conductive support 31 is a conductor with certain impedance, in this embodiment, the conductive support 31 is configured as a resin with conductivity, and a voltage is applied through the input contact 311, and in other alternative embodiments, the conductive support 31 may be a conductive metal or the like. The input contact 311 is connected to the power supply unit of the image forming apparatus, and the power supply unit, the conductive bracket 31, the steel shaft 14 of the photosensitive drum 11 and the ground form a closed voltage dividing loop, specifically, the conductor portion of the first connecting section 314 is formed as a first resistor R1, the conductor portion of the second connecting section 315 is formed as a second resistor R2, the voltage applied to the input contact 311 generates a divided charging voltage at the output contact 312 through the divided voltage of the first resistor R1 and the second resistor R2, specifically, assuming that the voltage applied to the input contact 311 is V and the voltage applied to the output contact 312 is V1, the charging voltage V1 formed at the output contact 312 is = V R2/(R1 + R2), for example, the charging voltage V1 required by the developing roller 21 in the developing cartridge is 400V, and the voltage V applied to the power supply unit by the actual input contact 311 is 600V, at this time, the resistance of the second resistor R2 needs to be set to be twice the resistance of the first resistor R1, i.e. R2=2R1, i.e. V1=600V × 2R 1/(R1 +2R 1) = 400V. In practical application, the resistance values of the first resistor R1 and the second resistor R2 can be adjusted according to the voltage accessed by the input contact 311 and the actual required voltage of the developing roller 21, and the developing roller is flexible in design and high in compatibility.
The electric connection member 32 is configured of rubber or metal having conductivity, the receiving bracket 24 is provided with a connection hole 243, the electric connection member 32 is disposed in the connection hole 243, one end of the electric connection member 32 is connected to the developing roller shaft, the other end of the electric connection member 32 is connected to the output contact 312 of the conductive bracket 31, the conductive bracket 31 is provided with a fixing post 316, and the other end of the electric connection member 32 is fitted over the fixing post 316. In the present embodiment, in order to counteract the run-out during the rotation of the developing roller 21 and ensure good electrical contact, the electrical connection member 32 is configured as an elastic member having electrical conductivity, such as a compression spring made of metal, and the electrical connection member 32 is in a compressed state after being mounted, and the force generated by the elastic deformation of the compression spring ensures effective abutment of the electrical connection member with the output contact 312 and the developing roller shaft, and ensures the electrical power transmission between the conductive holder 31 and the developing roller 21.
The conductive bracket 31 is made of conductive materials of megaohm resistors, the resistance value of the first resistor R1 and the resistance value of the second resistor R2 are both greater than 1 megaohm, the output voltage value of the existing imaging device is approximately hundreds of volts, and the magnitude of the current formed in the voltage division loop is less than milliampere. In this embodiment, the conductive holder is made of a material formed by adding a predetermined proportion of metal powder to POM (Polyoxymethylene), and the material has a certain weak conductivity, so that when the input contact 311 is connected to a voltage, a predetermined voltage value of the charging voltage is formed at the output contact 312. In practical applications, the ratio of the metal powder in the conductive support 31 can be adjusted according to practical applications to adjust the impedance values of the first connection section 314 and the second connection section 315.
The first connection section 314 and the second connection section 315 are located on different planes, the first connection section 314 of the conductive bracket 31 is disposed on the second housing 21, the second connection section 315 is disposed on the surface of the first housing 11, the first connection section 314 is located on the first plane, the second connection section 315 is located on the second plane, and the output contact 312 has a stepped surface for connecting the first plane and the second plane. Since the conductive bracket 31 is connected between the first plane and the second plane through the inclined surface or the stepped surface, when the developing cartridge is mounted to the image forming apparatus, the inclined surface or the stepped surface may play a role of guiding, so that the mounting process is smooth, and after the mounting is completed, the power supply part of the image forming apparatus contacts the input contact 311 located on the first plane of the conductive bracket 31, so that stable electrical connection may be established.
The developing box of the invention provides a new electric transmission structure, the input contact, the output contact and the grounding contact form a complete electric transmission loop, the voltage is accessed from a power supply component in the electronic imaging equipment through the input contact, and the processed voltage is output to the developing roller through the output contact, thereby realizing the adaptation of the voltage applied by the developing roller and ensuring the printing quality of the electronic imaging equipment.
Example two
As shown in fig. 10, in the present embodiment, the conductive part 3 includes-a first impedance unit and a second impedance unit. The first impedance unit includes a first connection conductor 414 and a first resistance element 416 disposed on the first connection conductor, and the second impedance unit includes a second connection conductor 415 and a second resistance element 417 disposed on the second connection conductor 415; the first resistive element 416 has a resistance greater than 1M Ω and the second resistive element 417 has a resistance greater than 1M Ω. The first connecting conductor 414 and the second connecting conductor 415 are benign conductors, and have a resistance value much smaller than that of the first resistance element 416 and the second resistance element 416, which is negligible.
In this embodiment, in order to keep the overall structure of the developing cartridge stable, the first connection conductor 414 and the second connection conductor 415 are formed as conductive rubber or conductive metal pieces, and the first resistance element 416 and the second resistance element 417 may be embedded in and disposed on the first connection conductor 414 and the second connection conductor 414, respectively, electrically connected to the conductive rubber, or correspondingly soldered on the conductive metal pieces. The input contact 411 and the output contact 412 are each configured of a conductive rubber or a conductive metal sheet, a first connecting conductor 414 is electrically connected between the input contact 411 and the output contact 412, a second connecting conductor 415 is electrically connected between the output contact 412 and the ground contact 313, the input contact 411 can be connected to a power supply member in the image forming apparatus to receive a voltage, the output contact 412 and the output contact 412 are electrically connected to the developing roller 21 through an electrical connector 32, and the ground contact 413 can be grounded through the steel shaft 14 of the photosensitive drum 11. In one embodiment, the ground contact 413 may be formed of one end of the second connection conductor 417 through which the steel shaft 14 of the photosensitive drum 11 is directly connected to ground.
The power supply component, the first resistor R1 element, the second resistor R2 element, the steel shaft 14 of the photosensitive drum 11 and the ground form a closed voltage division loop, the voltage connected to the input contact 311 generates a divided charging voltage at the output contact 312 through the voltage division of the first resistor element 416 and the second resistor element 417, and an equivalent circuit thereof is the same as that in the first embodiment and is not repeated here. In practical application, the resistor elements with different resistance values can be selected according to practical conditions, the existing structure of the developing box is not required to be changed, the design is simplified, and the production cost is reduced.
EXAMPLE III
As shown in fig. 11 and 12, in the present embodiment, the conductive part 3 includes the step-down chip 4, the input pin of the step-down chip 4 is connected to the input contact 511, the input pin of the step-down chip is connected to the output contact 512, and the steel shaft 14 of the photosensitive drum 11 is grounded as the ground pin of the step-down chip 4. The second casing 23 is provided with a chip holder on which the voltage step-down chip 4 is detachably mounted, and each pin of the voltage step-down chip 4 can be connected to each contact of each conductive part through a wire. The voltage reduction chip is connected with voltage through the input contact, the voltage of output and developing roller looks adaptation after voltage reduction is carried out to the chip, and then the voltage is directly output to the developing roller through the output contact, so that a complex conductive structure is not needed, the voltage is stable, and the development box is miniaturized.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A developing cartridge detachably mountable to a drum unit detachably mountable to an electronic image forming apparatus including a power supply member;
the drum unit includes: a first housing;
a photosensitive drum rotatably supported by the first housing and rotating along a steel shaft extending in a longitudinal direction of the first housing;
the developing cartridge includes:
a second housing;
a developing roller rotatably supported to the second casing, the developing roller rotating along a developing roller shaft extending in a longitudinal direction of the second casing;
the circuit is characterized by further comprising a conductive part, wherein the conductive part comprises an input contact, an output contact and a grounding contact; the input contact is electrically connected with the power supply component, the output contact is electrically connected with the developing roller shaft, and the grounding contact is grounded.
2. A developing cartridge according to claim 1, wherein said steel shaft is grounded, and said ground contact is connected to said steel shaft.
3. A developing cartridge according to claim 1, wherein said conductive portion further includes a first impedance unit and a second impedance unit, said first impedance unit being electrically connected between said input contact and said output contact, said second impedance unit being electrically connected between said output contact and said ground contact.
4. A developing cartridge according to claim 3, wherein the resistance value of the first resistance unit is larger than 1M Ω, and the resistance value of the second resistance unit is larger than 1M Ω.
5. A developing cartridge according to claim 3, wherein said first resistance unit includes a first connecting section, and said second resistance unit includes a second connecting section, said first connecting section being configured as a resin having conductivity, and said second connecting section being configured as a resin having conductivity.
6. A developing cartridge according to claim 3, wherein said first resistance unit includes a first connecting conductor and a first resistance element provided on said first connecting conductor, and said second resistance unit includes a second connecting conductor and a second resistance element provided on said second connecting conductor; the resistance value of the first resistance element is larger than 1M omega, and the resistance value of the second resistance element is larger than 1M omega.
7. A developing cartridge according to claim 1, wherein said conductive portion includes a first flat surface, a second flat surface, and a stepped portion or a slope connecting said first flat surface and said second flat surface.
8. The developing cartridge according to claim 1, wherein the conductive portion further includes a voltage-reducing chip, the voltage-reducing chip input pin is connected to the input contact, the input pin of the voltage-reducing unit is connected to the output contact, and a ground pin of the voltage-reducing chip is grounded.
9. A process cartridge detachably mountable to an electronic image forming apparatus including a power supply member, characterized by comprising:
a drum unit comprising:
a first housing;
a photosensitive drum rotatably supported by the first housing and rotating along a steel shaft extending in a longitudinal direction of the first housing;
and the developing cartridge according to any one of claims 1 to 8 detachably mounted in the drum unit.
10. An electronic imaging device, comprising:
a power supply member;
and the developing cartridge according to any one of claims 1 to 8 detachably mountable to an electrophotographic apparatus.
Priority Applications (1)
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CN202011200886.6A CN114442449A (en) | 2020-11-02 | 2020-11-02 | Developing box, processing box and electronic imaging equipment |
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CN202011200886.6A CN114442449A (en) | 2020-11-02 | 2020-11-02 | Developing box, processing box and electronic imaging equipment |
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CN114442449A true CN114442449A (en) | 2022-05-06 |
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CN202011200886.6A Pending CN114442449A (en) | 2020-11-02 | 2020-11-02 | Developing box, processing box and electronic imaging equipment |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203069965U (en) * | 2012-12-28 | 2013-07-17 | 珠海天威飞马打印耗材有限公司 | Processing box |
US20160077485A1 (en) * | 2014-09-17 | 2016-03-17 | Lexmark International, Inc. | Manually Removable Separator for Neutralizing Static Charge Buildup on a Replaceable Unit of an Electrophotographic Image Forming Device |
CN205827062U (en) * | 2016-06-24 | 2016-12-21 | 江西亿铂电子科技有限公司 | A kind of Delevoping cartridge |
CN208596308U (en) * | 2018-09-13 | 2019-03-12 | 中国核动力研究设计院 | A kind of I&C system debugging special-purpose multifunctional calibration equipment |
CN213876326U (en) * | 2020-11-02 | 2021-08-03 | 江西亿铂电子科技有限公司 | Developing box, processing box and electronic imaging equipment |
-
2020
- 2020-11-02 CN CN202011200886.6A patent/CN114442449A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203069965U (en) * | 2012-12-28 | 2013-07-17 | 珠海天威飞马打印耗材有限公司 | Processing box |
US20160077485A1 (en) * | 2014-09-17 | 2016-03-17 | Lexmark International, Inc. | Manually Removable Separator for Neutralizing Static Charge Buildup on a Replaceable Unit of an Electrophotographic Image Forming Device |
CN205827062U (en) * | 2016-06-24 | 2016-12-21 | 江西亿铂电子科技有限公司 | A kind of Delevoping cartridge |
CN208596308U (en) * | 2018-09-13 | 2019-03-12 | 中国核动力研究设计院 | A kind of I&C system debugging special-purpose multifunctional calibration equipment |
CN213876326U (en) * | 2020-11-02 | 2021-08-03 | 江西亿铂电子科技有限公司 | Developing box, processing box and electronic imaging equipment |
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