CN106527082A - Cartridge - Google Patents
Cartridge Download PDFInfo
- Publication number
- CN106527082A CN106527082A CN201611244809.4A CN201611244809A CN106527082A CN 106527082 A CN106527082 A CN 106527082A CN 201611244809 A CN201611244809 A CN 201611244809A CN 106527082 A CN106527082 A CN 106527082A
- Authority
- CN
- China
- Prior art keywords
- powder
- outlet cutter
- powder outlet
- compressing tablet
- developer roll
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000843 powder Substances 0.000 claims description 153
- 238000005452 bending Methods 0.000 claims description 6
- 239000013536 elastomeric material Substances 0.000 claims description 5
- 235000012054 meals Nutrition 0.000 claims description 5
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 238000007639 printing Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 15
- 229910052799 carbon Inorganic materials 0.000 description 15
- 239000000428 dust Substances 0.000 description 14
- 230000000007 visual effect Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009475 tablet pressing Methods 0.000 description 1
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
- G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
- G03G15/0812—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller characterised by the developer regulating means, e.g. structure of doctor blade
-
- 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
- G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
- G03G15/0808—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller characterised by the developer supplying means, e.g. structure of developer supply roller
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dry Development In Electrophotography (AREA)
Abstract
The invention provides a cartridge. The cartridge comprises a shell, a developing roller and a toner-outlet knife, wherein a toner cabin is arranged in the shell; the developing roller is arranged on a toner outlet of the toner cabin; the toner-outlet knife is fixedly connected with the shell, and the toner-outlet knife is positioned on the upper stream of the developing roller in the rotation direction, wherein the cartridge also comprises pressing sheets which are fixedly connected with the shell and positioned on one side, far from the developing roller, of the toner-outlet knife; the pressing sheets are pressed on the toner-outlet knife to enable the toner-outlet knife to be close to the developing roller; and the length, pressed on the toner-outlet knife, of the pressing sheets is greater than half of the length of the toner-outlet knife. The cartridge has the advantages of ensuring uniform power outlet on the developing roller, preventing the toner-outlet knife from being deformed, and improving the printing quality and printing effect of a printer.
Description
Technical field
The present invention relates to laser printer technical field, specifically, is to be related to a kind of powder box.
Background technology
Laser printer is one of current most widely used computer output peripheral equipment, and it is using light, electricity, hot thing
Reason, the principles of chemistry pass through interaction output character or image.Basic process can be divided into charging, exposure, development, transfer, it is fixing,
Seven steps such as cleaning, electric eliminating.First, photosensitive drum surface is equably charged by charging roller.Laser scanner is launched to photosensitive drums
The laser through modulation containing image information, forms electrostatic latent image corresponding with image to be copied in photosensitive drum surface.Then,
Transferring absorption from the carbon dust of developer roll makes electrostatic latent image be converted into visual image on photosensitive drum surface.With the rotation of photosensitive drums
Turn, replaced to transfer roll in the visual image that photosensitive drum surface is formed by carbon dust.The effect of Jing transfer roll transfer voltages, will be visual
Image is transferred in the recording mediums such as paper, and subsequently heated roller and backer roll are heated to the visual image in recording medium
After pressurization, the visual image that carbon dust is formed is fully cured in recording medium.Such a basic imaging action is just completed
.
In above-mentioned print procedure, in order to ensure printing effect, can powder outlet cutter be set on the housing of powder box typically, and
The blade of powder outlet cutter is contacted with the developer roll on powder box, and the blade of powder outlet cutter is located at developer roll with the contact position of developer roll
The upstream of rotation direction, so as to ensure that from the powder cabin of the housing of powder box the carbon dust being adsorbed onto on developer roll can be uniformly distributed in
On the surface of developer roll so that the carbon dust on developer roll is carried out by the photosensitive drums that the formation of the bulging component of Delevoping cartridge has electrostatic latent image
After absorption, a layer thickness can be formed on the surface of the surface of the photosensitive drums of printer or the photosensitive drums of handle box uniform
The carbon dust layer matched with electrostatic latent image, improve photosensitive drums upper silty amount, and then ensure laser printer printing effect.
But, as parallel contact is almost realized on surface of the powder outlet cutter with the housing of powder box, and powder outlet cutter there is a problem of being easily deformed,
So that the thickness that the carbon dust of developer roll is adsorbed onto from powder cabin cannot be consistent, cause powder on developer roll uneven, and then
Cause the powder in photosensitive drums uneven, the strong influence printing effect of printer.
The content of the invention
In order to solve the above problems, the main object of the present invention be to provide one kind ensure that on developer roll powder it is uniform, can
Improve the print quality of printer and prevent the powder box that powder outlet cutter deforms.
In order to realize the main object of the present invention, the present invention provides a kind of powder box, including housing, developer roll and powder outlet cutter,
Enclosure interior is provided with powder cabin, and developer roll is arranged on the meal outlet of powder cabin, and powder outlet cutter is fixedly connected with the casing, and powder outlet cutter position
In the upstream of developer roll rotation direction, wherein, powder box also includes compressing tablet, and compressing tablet is fixedly connected with the casing, and compressing tablet is located at out powder
The side away from developer roll of knife, compressing tablet is pressed together on powder outlet cutter makes powder outlet cutter near developer roll, and compressing tablet is pressed together on powder outlet cutter
Length be powder outlet cutter length more than half.
Further scheme is that the connecting portion that compressing tablet is had constriction and is connected with constriction, connecting portion are fixed with housing
Connection, the section of constriction are arranged in bending, and constriction is pressed together on powder outlet cutter.
Further scheme is that the quantity of compressing tablet is two, and two compressing tablets are fixedly connected with the casing with being arranged side by side, two
The length sum that individual compressing tablet is pressed together on powder outlet cutter is more than half of powder outlet cutter length.
Further scheme is that two compressing tablets are symmetrically arranged along the first center line of powder outlet cutter, two compressing tablet pressings
Region on powder outlet cutter is symmetrical to both sides along the first center line.
Further scheme is that compressing tablet is pressed together on second center line of the region on powder outlet cutter along powder outlet cutter to both sides pair
Claim distribution.
Further scheme is that powder box also includes sponge strip, and sponge strip is abutted against between powder outlet cutter and compressing tablet.
Further scheme is that compressing tablet is made up of elastomeric material.
Therefore, by setting and the structure design of powder box so that powder outlet cutter of the powder box when being used, on powder box
Will not deform easily, it is ensured that the blade of powder outlet cutter can be in close contact with developer roll, and then ensure that developer roll can go up powder
Uniformly so that on developer roll, the thickness of carbon dust can be consistent, improve the print quality of printer.And pass through in powder outlet cutter and
Sponge strip is set between compressing tablet, powder outlet cutter can be avoided rigid contact to be carried out with compressing tablet, so as to avoid printing due to printer
The vibrations of Shi Fasheng cause strong shock is produced between developer roll, powder outlet cutter and compressing tablet, and then avoid damaging developer roll.
Description of the drawings
Fig. 1 is the use state schematic diagram of powder box embodiment of the present invention.
Fig. 2 is the relative position schematic diagram of the powder box with photosensitive drums of powder box embodiment of the present invention.
Fig. 3 is the structure chart of the powder box of powder box embodiment of the present invention.
Fig. 4 is the sectional view of the powder box of powder box embodiment of the present invention.
Fig. 5 is the structure chart of the compressing tablet of the powder box of powder box embodiment of the present invention.
Fig. 6 is the structure chart under another visual angle of the compressing tablet of the powder box of powder box embodiment of the present invention.
Fig. 7 is the enlarged drawing in Fig. 3 at A.
Below in conjunction with drawings and Examples, the invention will be further described.
Specific embodiment
See figures.1.and.2, Fig. 1 is the structure chart of printer embodiment of the present invention, and Fig. 2 is printer embodiment of the present invention
Photosensitive drums and powder box relative position schematic diagram.Printer 4 includes powder box 1, printer housing 41 and photosensitive drums 42.Printer
The powder box installation cavity 411 for installing powder box 1 is provided with housing 41, multiple powder boxes 1 can be installed in powder box installation cavity 411, and it is many
Individual powder box 1 can be different color.Photosensitive drums 42 are arranged in printer housing 41, and photosensitive drums 42 are located at powder box installation position
411 end, and photosensitive drums 42 are near the developer roll 12 of powder box 1, are easy to photosensitive drums 42 to adsorb the carbon dust on developer roll 12
It is being formed with the surface of photosensitive drums 42 of electrostatic latent image.Additionally, powder box 1 can also be installed by the bulging component containing photosensitive drums
Do not contain to other on printer of photosensitive drums.
It is the structure chart of the powder box of printer embodiment of the present invention with reference to Fig. 3 and Fig. 4, Fig. 3, Fig. 4 is printer of the present invention
The sectional view of the powder box of embodiment.Powder box 1 includes housing 11, developer roll 12, powder outlet cutter 13, compressing tablet 2 and sponge strip 3.Powder box 1 sets
The meal outlet 161 for being equipped with powder cabin 16 and being connected with powder cabin 16, developer roll 12 are arranged on the meal outlet 161 of housing 11, powder cabin 16
Side near meal outlet 161 is additionally provided with the puddle support 15 for being stirred to carbon dust, transmitting and for developer roll
The powder feeding roller 14 of 12 transmission carbon dusts.
Powder outlet cutter 13 is fixedly connected with housing 11, and the blade of powder outlet cutter 13 is located at the upstream of 12 rotation direction of developer roll, and
And, the blade of powder outlet cutter 13 is contacted with the outer surface of developer roll 12, and then realizes that the carbon dust to absorption on developer roll 12 is carried out
Strike off, drawout, make on developer roll 12 powder uniform, and then ensure the print quality of printer.
It is the structure chart of the compressing tablet of the powder box of printer embodiment of the present invention with reference to Fig. 5 and Fig. 6, Fig. 5, Fig. 6 is the present invention
Structure chart under another visual angle of the compressing tablet of the powder box of printer embodiment.With reference to Fig. 3 and Fig. 4, compressing tablet 2 is fixed with housing 11 and is connected
Connect, sponge strip 3 is abutted against between powder outlet cutter 13 and compressing tablet 2.Specifically, compressing tablet 2 is had constriction 21 and is connected with constriction 21
Connecting portion 22, connecting portion 22 is provided with through hole 221, and compressing tablet 2 is connected with housing 11 by connecting portion, and is worn by screw 17
The through hole 221 for crossing connecting portion 22 is fixed on compressing tablet 2 on housing 11.
The section of the constriction 21 of compressing tablet 2 is arranged in bending, also, the bending place of constriction 21 is adjoined with sponge strip 3.Will
The constriction 21 of compressing tablet 2 is arranged to bending shape and is advantageous in that in plane setting compared to compressing tablet, the bending place of constriction 21
The compressing tablet 2 on housing 11 can be made to apply larger pressure to sponge strip 3 so that powder outlet cutter 13 is connect with developer roll 12
Touch even closer and ensure that powder outlet cutter 13 will not deform, and then the carbon dust for enabling to adsorb on developer roll 12 is sufficient
Strike off, drawout, it is ensured that on developer roll 12, powder is uniform, improves the print quality of printer, also, compressing tablet 2 is pressed together on powder outlet cutter 13
On length be 13 length of powder outlet cutter more than half so that compressing tablet 2 can apply enough pressure to powder outlet cutter 13, it is to avoid go out
Powder knife 13 occurs situation about deforming in use.Additionally, compressing tablet 2 is pressed together on the region on powder outlet cutter 13 along powder outlet cutter 13
Center line is symmetrical to both sides so that the pressure that compressing tablet 2 is acted on powder outlet cutter 13 can be more uniform so that powder outlet cutter 13
Carbon dust that can be preferably to adsorbing on developer roll 12 is sufficiently struck off, drawout.
As shown in fig. 7, combining Fig. 4, sponge strip 3 is arranged between powder outlet cutter 13 and compressing tablet 2, can effectively avoid out powder
Knife 13 directly carries out rigid contact with compressing tablet 2, so as to avoid the vibrations occurred when printing due to printer cause developer roll 12,
Directly there is strong shock between powder outlet cutter 13 and compressing tablet 2, and then avoid damaging the surface of developer roll 12, affect to print
Effect and print quality.
The shape of the constriction 21 of compressing tablet 2 can be arranged accordingly according to 1 surface mounted position of powder box, for example, pressure
Normal direction projection of the constriction 21 of piece 2 along the surface of powder outlet cutter 13 triangular in shape can be arranged, or the constriction 21 of compressing tablet 2 is along going out
The normal direction projection on the surface of powder knife 13 rectangular can be arranged.
Additionally, compressing tablet 2 can be to select different installation numbers according to the size of powder box 1, e.g., when the length of powder box 1
When size on degree direction is much larger than the size on 2 length direction of compressing tablet, the quantity of compressing tablet 2 can be set to two, and
By two compressing tablets 2 being fixedly connected with housing 11 side by side, and the length that two compressing tablets 2 are pressed together on powder outlet cutter 13 is caused to be powder
More than half of the length of knife 13 so that two compressing tablets 2 can apply enough pressure to powder outlet cutter 13, it is to avoid powder outlet cutter 13 exists
Occur situation about deforming during use, and ensure that powder outlet cutter 13 is playing the position uniform force on length direction, it is ensured that go out
The contact quality of powder knife 13 and developer roll 12, and then ensure print quality.Additionally, center line of two compressing tablets 2 along powder outlet cutter 13
It is symmetrically arranged, it is symmetrical to both sides along the center line of powder outlet cutter 13 that two compressing tablets 2 are pressed together on the region on powder outlet cutter 13.Make
The pressure that acts on powder outlet cutter 13 of two compressing tablets 2 can be more uniform so that powder outlet cutter 13 can be preferably to developer roll
The carbon dust adsorbed on 12 is sufficiently struck off, drawout.Certainly, when the size on the length direction of powder box 1 is pressed much larger than two
Piece 2 side by side when length direction on size when, the quantity of compressing tablet 2 can be set to three, and by three compressing tablets 2 side by side
It is fixedly connected with housing 11, and causes three compressing tablets 2 to be pressed together on half of the length on powder outlet cutter 13 more than 13 length of powder outlet cutter,
Ensure that powder outlet cutter 13 is playing the position uniform force on length direction, be less prone to deformation.By that analogy.
Compressing tablet 2 can be made up of elastomeric material, and elastomeric material can be elasticity PVC or elasticity PET elastomeric materials.Elastomeric material
Made by compressing tablet 2 elastic deformation can occur when being fixed on housing 11 so that the constriction 21 of compressing tablet 2 can be to sponge
Bar 3 provides larger pressure, and then makes powder outlet cutter 13 by larger pressure, plays a part of to prevent powder outlet cutter 13 from deforming.
In sum, the present invention is provided powder box and it is provided with the printer of the powder box and ensure that when being printed,
Powder outlet cutter will not be deformed easily, and ensure that the blade of powder outlet cutter and developer roll can be in close contact, and then ensure developer roll
Powder can be gone up uniform so that the thickness on developer roll can be consistent, improve the print quality and printing effect of printer.
Finally it is emphasized that the foregoing is only the preferred embodiments of the present invention, the present invention is not limited to, it is right
For those skilled in the art, the present invention can have various change and a change, it is all within the spirit and principles in the present invention,
Any modification, equivalent substitution and improvements done etc., should be included within the scope of the present invention.
Claims (7)
1. powder box, including
Housing, the enclosure interior are provided with powder cabin；
Developer roll, the developer roll are arranged on the meal outlet of the powder cabin；
Powder outlet cutter, the powder outlet cutter are fixedly connected with the housing, and the powder outlet cutter is located at the developer roll rotation direction
Upstream；
It is characterized in that：
The powder box also includes
Compressing tablet, the compressing tablet are fixedly connected with the housing, and the compressing tablet be located at the powder outlet cutter away from the developer roll
Side, the compressing tablet is pressed together on the powder outlet cutter makes the powder outlet cutter near the developer roll, and the compressing tablet is pressed together on institute
State more than half that the length on powder outlet cutter is the powder outlet cutter length.
2. powder box according to claim 1, it is characterised in that：
The connecting portion that the compressing tablet is had constriction and is connected with the constriction, the connecting portion are fixed with the housing and are connected
Connect, the section of the constriction is arranged in bending, and the constriction is pressed together on the powder outlet cutter.
3. powder box according to claim 2, it is characterised in that：
The quantity of the compressing tablet is two, and two compressing tablets are fixedly connected with the housing with being arranged side by side, two pressures
The length sum that piece is pressed together on the powder outlet cutter is more than half of the powder outlet cutter length.
4. powder box according to claim 3, it is characterised in that：
Two compressing tablets are symmetrically arranged along the first center line of the powder outlet cutter；
It is symmetrical to both sides along first center line that two compressing tablets are pressed together on the region on the powder outlet cutter.
5. powder box according to claim 1, it is characterised in that：
It is symmetrical to both sides along the second center line of the powder outlet cutter that the compressing tablet is pressed together on the region on the powder outlet cutter.
6. the powder box according to any one of claim 1 to 5, it is characterised in that：
The powder box also includes sponge strip, and the sponge strip is abutted against between the powder outlet cutter and the compressing tablet.
7. powder box according to claim 6, it is characterised in that：
The compressing tablet is made up of elastomeric material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611244809.4A CN106527082A (en) | 2016-12-29 | 2016-12-29 | Cartridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611244809.4A CN106527082A (en) | 2016-12-29 | 2016-12-29 | Cartridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106527082A true CN106527082A (en) | 2017-03-22 |
Family
ID=58338206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611244809.4A Pending CN106527082A (en) | 2016-12-29 | 2016-12-29 | Cartridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106527082A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108459478A (en) * | 2018-05-29 | 2018-08-28 | 浙江安吉华普电子有限公司 | A kind of Se drum for laser printer of fillable ink powder |
| CN109683456A (en) * | 2019-03-01 | 2019-04-26 | 广州奥盛电子科技有限公司 | A kind of universal compatible powder box manually changed |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2854652Y (en) * | 2005-10-29 | 2007-01-03 | 珠海天威技术开发有限公司 | Carbon powder cartriage for laser printer |
| CN200956090Y (en) * | 2006-07-31 | 2007-10-03 | 余杰 | Doctor blade for laser printer |
| CN201259609Y (en) * | 2008-09-02 | 2009-06-17 | 深圳市乐普泰科技有限公司 | Photosensitive drum core charger |
| CN201259612Y (en) * | 2008-09-02 | 2009-06-17 | 深圳市乐普泰科技有限公司 | A cleaning blade |
| CN101950150A (en) * | 2010-10-13 | 2011-01-19 | 珠海天威飞马打印耗材有限公司 | Processing box for laser printer |
| CN201820087U (en) * | 2010-10-29 | 2011-05-04 | 珠海天威飞马打印耗材有限公司 | Powder output knife and cartridge |
| CN103092043A (en) * | 2013-02-07 | 2013-05-08 | 珠海天威飞马打印耗材有限公司 | Cleaning scraping knife and processing box |
| CN206331243U (en) * | 2016-12-29 | 2017-07-14 | 珠海天威飞马打印耗材有限公司 | Powder box |
-
2016
- 2016-12-29 CN CN201611244809.4A patent/CN106527082A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2854652Y (en) * | 2005-10-29 | 2007-01-03 | 珠海天威技术开发有限公司 | Carbon powder cartriage for laser printer |
| CN200956090Y (en) * | 2006-07-31 | 2007-10-03 | 余杰 | Doctor blade for laser printer |
| CN201259609Y (en) * | 2008-09-02 | 2009-06-17 | 深圳市乐普泰科技有限公司 | Photosensitive drum core charger |
| CN201259612Y (en) * | 2008-09-02 | 2009-06-17 | 深圳市乐普泰科技有限公司 | A cleaning blade |
| CN101950150A (en) * | 2010-10-13 | 2011-01-19 | 珠海天威飞马打印耗材有限公司 | Processing box for laser printer |
| CN201820087U (en) * | 2010-10-29 | 2011-05-04 | 珠海天威飞马打印耗材有限公司 | Powder output knife and cartridge |
| CN103092043A (en) * | 2013-02-07 | 2013-05-08 | 珠海天威飞马打印耗材有限公司 | Cleaning scraping knife and processing box |
| CN206331243U (en) * | 2016-12-29 | 2017-07-14 | 珠海天威飞马打印耗材有限公司 | Powder box |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108459478A (en) * | 2018-05-29 | 2018-08-28 | 浙江安吉华普电子有限公司 | A kind of Se drum for laser printer of fillable ink powder |
| CN109683456A (en) * | 2019-03-01 | 2019-04-26 | 广州奥盛电子科技有限公司 | A kind of universal compatible powder box manually changed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170322 |
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| RJ01 | Rejection of invention patent application after publication |