CN201215610Y - Carbon powder cylinder for laser printer - Google Patents
Carbon powder cylinder for laser printer Download PDFInfo
- Publication number
- CN201215610Y CN201215610Y CNU2008200495748U CN200820049574U CN201215610Y CN 201215610 Y CN201215610 Y CN 201215610Y CN U2008200495748 U CNU2008200495748 U CN U2008200495748U CN 200820049574 U CN200820049574 U CN 200820049574U CN 201215610 Y CN201215610 Y CN 201215610Y
- Authority
- CN
- China
- Prior art keywords
- powder
- storage bin
- duff pipe
- laser printer
- tube
- 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.)
- Expired - Fee Related
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 94
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 71
- 239000000843 powder Substances 0.000 claims abstract description 61
- 239000000428 dust Substances 0.000 claims description 69
- 235000012054 meals Nutrition 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 13
- 230000010152 pollination Effects 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 210000004907 gland Anatomy 0.000 description 17
- 238000012546 transfer Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 210000003128 head Anatomy 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 206010070834 Sensitisation Diseases 0.000 description 2
- 150000001721 carbon Chemical class 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000008313 sensitization Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000010023 transfer printing Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Dry Development In Electrophotography (AREA)
Abstract
The utility model relates to a carbon powder cylinder of a laser printer, which comprises a powder storage bin for storing carbon powder, wherein a powder conveying tube is arranged on the side wall of the powder storage bin, a powder outlet which is used to convey carbon powder in the carbon storage bin to the outside is arranged on the transverse tube wall of the powder conveying tube, a powder guide gate which can make the reciprocating motion along the longitudinal direction of the powder conveying tube is coated on the outer surface of the transverse tube wall of the power conveying tube, a powder conveying port which is corresponding to the powder outlet is arranged on the powder guide gate, a helical spring whose elastic direction is parallel to the longitudinal direction of the powder conveying tube is arranged between the powder guide gate and the root portion of a powder conveying tube which is connected with the powder storage bin along the longitude direction of the power conveying tube, one end of the helical spring is pressed on the root portion of the powder conveying tube which is connected with powder storage bin, and the other end thereof is pressed on the powder guide gate. The carbon powder cylinder can be used as the carbon powder storage device of the laser printer, which has high carbon powder transmission efficiency, and can avoid carbon powder aggregates.
Description
Technical field
The utility model relates to for example carbon dust tube of laser printer of electrophotographic image forming, particularly has the powder feeding frame that is used to transmit carbon dust, is used to store and export the carbon dust tube of the powder-storage bin of carbon dust.
Background technology
Electrophotographic image forming, laser printer for example, its use value is by containing the photosensitive drums that the laser beam flying irradiation that predetermined information is arranged has predetermined potential, form electrostatic latent image at photosensitive drum surface, and then the developer of this electrostatic latent image with predetermined carbon dust and so on developed, be transferred to the carbon dust image that is about to obtain on the recording medium such as paper through developing, afterwards again the image fixing of transfer printing acquisition, become the visual image that naked eyes can be observed, realize the conversion of image---signal---between the image.
Common laser printer is provided with in its casing or includes charging roller, photosensitive drums, laser scanning mechanism, developer roll, transfer roll and fixing roller etc.These constitute the unit according to manufacturer's purpose of design and technical thought separately, finally form the different parts of integrated level.According to the functional integration of individual parts, they show the form of following multiple parts.For example, consider factors such as task that each parts is born and technical life, charging roller, photosensitive drums etc. is prepared into an independently image forming process unit, or claim the sensitization processing unit; Laser scanning mechanism, transfer roll and fixing roller then directly are installed in the printer respectively; Developer roll and powder feeding roller etc. are integrated into an independently developing cell, also claim developing apparatus or Delevoping cartridge.After image-generating unit and developing cell are combined into a powder box that possesses image transitions ability and image developing ability simultaneously, standby in the printer of just can packing into.For another example, in view of holding the disposable operating characteristic of storing up carbon dust in the developing apparatus, and the developing apparatus concentrated area that comprises developer roll, powder feeding roller, powder-storage bin and waste powder hopper etc. is designed to a relatively independent replaceable member, make it with comprising the image forming process unit of charging roller, photosensitive drums or comprising that the laser printer of image forming process unit keeps dismountable movable connection method.For another example, separately powder-storage bin is designed to individual member, make it keep dismountable movable connection method with the sensitization processing unit that comprises the developing cell of developer roll, powder feeding roller and comprise charging roller, photosensitive drums, for in time changing carbon dust, the durability that makes full use of parts such as developer roll, photosensitive drums facilitates.
In the course of the work, photosensitive drums charges to predetermined potential by charging roller, and response is formed corresponding to the electrostatic latent image for the treatment of print image on its cylindrical surface by the irradiation of laser scanning mechanism emitted laser bundle.
Store developer for example toner, ink powder or carbon dust within it in the container that the carbon dust tube is established, and utilize powder feeding roller and developer roll that carbon dust is sent to the corresponding region that photosensitive drums has electrostatic latent image, obtain the visual carbon dust image that naked eyes can be observed.
The carbon dust image that forms on the photosensitive drums is transferred on the paper of walking between photosensitive drums and the transfer roll slit by transfer roll, utilizes fixing roller that the carbon dust image on the paper is given permanent photographic fixing at last.
For the split type carbon dust tube that obtains because of the integrated level difference, it mainly utilizes the powder-storage bin of establishing in it to bear the storage of carbon dust and is transported to the task of developer roll.This split type carbon dust tube and the developing cell that comprises developer roll, powder feeding roller, and the image forming process unit at photosensitive drums place are generally taked the separately mode of accumulating, then fit assembling during installation.After carbon dust tube and developing cell, image forming process unit assembling finish, be exposed to the photosensitive region of the outer developer roll surface of developing chamber sidewall window with photosensitive drums on the image forming process unit, promptly exposed drum face adjacency, the carbon dust that developer roll carries is passed to photosensitive drums in this in abutting connection with the position, finishes the conversion of electrostatic latent image and carbon dust image.
This type of only is used to lay in the carbon dust tube of developer and so on carbon dust, and its version is varied.For example the CN200710137363.X application for a patent for invention discloses a kind of carbon dust tube that has sliding gate.This carbon dust tube comprises: the toner Cartridge, sliding gate and the containment member that are used for keeping toner.Toner Cartridge has the toner supply orifice and discharges toner.Sliding gate is arranged on the toner Cartridge inboard, thereby closes the toner supply orifice.In the time of in toner Cartridge is installed in imaging device, this sliding gate allows the toner supply orifice to open.Containment member is arranged on the excircle of sliding gate, arrives carbon dust tube outside to prevent toner through the clearance leakage between sliding gate and the toner Cartridge.
Aforementioned carbon dust tube because of its sliding gate etc. is arranged in the transfer passage of carbon dust, has reduced transfer passage and can hold the volume of carbon dust, thereby reduced the carbon dust efficiency of supply.Moreover, the end of its carbon dust delivery element is positioned at the position, meal outlet place of transfer passage, owing to be provided with sliding gate, elastic component, seal etc. in the transfer passage, this just further causes the transmission space of carbon dust to be reduced, so that form the carbon dust caking easily, cause the suffered torque load of carbon dust delivery element to strengthen, increase the burden of laser printer.
The utility model content
The utility model purpose is to provide a kind of carbon dust tube of laser printer, and this carbon dust tube can improve the transfer efficiency of its carbon dust effectively, avoids forming in its duff pipe the carbon dust caking.
According to above-mentioned purpose of design, the laser printer carbon powder tube that the utility model proposes comprises the powder-storage bin that is used to store carbon dust.The sidewall of powder-storage bin is provided with duff pipe.The horizontal tube wall of duff pipe is provided with and is used for the carbon dust in the powder-storage bin is outputed to outside meal outlet.On the horizontal outer surface of tube wall of duff pipe, be sheathed with along duff pipe vertically can move back and forth lead the powder gate.Lead the powder gate and be provided with the pollination mouth of position corresponding to meal outlet.Along duff pipe vertically, connect between the root of powder-storage bin in leading powder gate and duff pipe, be provided with its elastic force direction and be parallel to duff pipe coil spring longitudinally.One end of coil spring is connected to the root that duff pipe connects powder-storage bin, and its other end is connected to and leads on the powder gate.
Preferably, aforementioned laser printer carbon dust tube along the circumferencial direction of duff pipe, is provided with elastic sealing gasket leading between powder gate and the duff pipe in a meal outlet and a pollination mouthful corresponding mutually position.
Preferably, aforementioned laser printer carbon dust tube, its elastic sealing gasket are fixed in leads on the powder gate.
More preferably, aforementioned laser printer carbon dust tube, its elastic sealing gasket is fixed on the duff pipe.
According to qualifications, aforementioned laser printer carbon dust tube, it leads the powder gate is the cylindricality socket.Along duff pipe vertically, be provided with the breach of perforation back to the end of powder-storage bin at the cylindricality socket.At the position of duff pipe, be provided with the locating piece that inserts in the breach corresponding to breach.
Optimally, aforementioned laser printer carbon dust tube, its breach are two, and the center line that they are symmetrical in the cylindricality socket distributes.
The utility model laser printer carbon powder tube, employing is led the powder gate and is controlled the unlatching of its meal outlet from the outside of duff pipe by sliding type or close, so, the inner chamber of duff pipe will keep hollow form, thereby increased the useful space that the duff pipe inner chamber is used to keep carbon dust, when the powder feeding frame in the carbon dust tube stirs carbon dust, the carbon dust that also drives simultaneously in the duff pipe inner chamber forms flow state, be convenient to prevent effectively the carbon dust caking, and then the carbon dust that the suffered moment of torsion of powder feeding frame is held in the duff pipe inner chamber do not having the required regime values of caking flow state, finally improves the transfer efficiency of carbon dust.
The drawing explanation
Fig. 1 the utility model laser printer carbon powder tube skeleton view.
Fig. 2 the utility model laser printer carbon powder barrel structure decomposition diagram.
The powder-storage bin skeleton view one of Fig. 3 a the utility model laser printer carbon powder tube.
The powder-storage bin skeleton view two of Fig. 3 b the utility model laser printer carbon powder tube.
The powder-storage bin cut-open view of Fig. 4 the utility model laser printer carbon powder tube.
Fig. 5 a the utility model laser printer carbon powder tube lead powder gate skeleton view.
Fig. 5 b the utility model laser printer carbon powder tube lead powder gate cut-open view.
Embodiment
Referring to Fig. 1～5, the configuration state of the utility model laser printer carbon powder tube and related components thereof or feature is shown.Wherein, the orientation that Fig. 4 got is identical with the state that carbon dust tube A is mounted in the laser printer.The task of bearing according to each building block is investigated the constitution state of carbon dust tube A, and it mainly contains with lower member and constitutes: be used to hold and lay in a certain amount of carbon dust and carbon dust is transported to the powder-storage bin 101 of the developing apparatus of laser printer, be used to transmit the powder feeding frame 102 of carbon dust, be used to stir carbon dust and make its puddle support that is in fluffy flow state 103, be used to transmit the rotary torque of laser printer generation to first of powder feeding frame 102 and puddle support 103, second gear 104,105, the gland bonnet 106 that is used for capping powder-storage bin 101, be used to seal gland bonnet 106 to the powder-storage bin 101 end plate 107 and be used to control the handle cover 108 of the laying state of carbon dust tube A on laser printer.
Referring to Fig. 1～4, powder-storage bin 101 is slightly ovalizes of its xsect, the cylindrical container of its inner hollow.One of powder-storage bin 101 vertical (the direction that vertically is perpendicular to aforementioned oval cross section here) end walls are in opening-wide state, and formed uncovered 119 by gland bonnet 106 cappings.Under the state of uncovered 119 sealed lid 106 sealings, powder-storage bin 101 becomes the container that carbon dust is stored in airtight being used to.After 106 sealings of uncovered 119 sealed lids, in gland bonnet 106 along powder-storage bin 101 longitudinally the outside add end plate 107.End plate 107 snaps on uncovered 119, and it keeps suitable gap with gland bonnet 106 longitudinally along powder-storage bin 101 between the outer wall, so that second gear 105 is installed in this gap and is guaranteed that second gear 105 is in rotating state in the crack during this time.After end plate 107 snaps on uncovered 119, in end plate 107 along powder-storage bin 101 longitudinally the outside add handle cover 108 so that control the laying state of carbon dust tube A on laser printer.
Before above-mentioned gland bonnet 106, end plate 107 and handle cover 108 were mounted on the powder-storage bin 101, the powder feeding frame 102 that has spiral fashion powder feeding sheet was arranged in the powder feeding groove 120 that is provided with in the powder-storage bin 101 in advance.The puddle support 103 that has stirring vane also is arranged into the inside of powder-storage bin 101 in advance.After this, gland bonnet 106 is just capped on uncovered 119.After gland bonnet 106 is closed on uncovered 119, two axle heads of puddle support 103 pass gland bonnet 106 and powder-storage bin 101 respectively longitudinally back to the sidewall 121 of gland bonnet 106, and be supported in aforementioned second gear 105 accordingly and be arranged on first gear 104 on the sidewall 121, so that form the state that puddle support 103 can rotate freely in powder-storage bin 101 inside.The supporting device of second gear 105 on gland bonnet 106 is to be in the axis hole 111 that gland bonnet 106 lateral middle are provided with.The supporting device of first gear 104 on sidewall 121 is to be in the axis hole 113 that sidewall 121 lateral middle are provided with.On sidewall 121, be provided with the chip chamber 118 that is used to hold the integrated circuit (IC) chip (not shown) in addition.With the installation basic synchronization of mixing frame 103, an axle head of powder feeding frame 102 is supported on the 3rd gear 122 after passing gland bonnet 106.The 3rd gear 122 is arranged in the form of second gear 105 with its axially parallel and aforementionedly is used to install in the gap of second gear 105, it keeps engagement with between second gear 105, so that rotatablely moving of second gear 105 can pass to powder feeding frame 102.The supporting device of the 3rd gear 122 on gland bonnet 106 is to be in the axis hole 112 that gland bonnet 106 transverse circumference are provided with.Axis hole 112 is on the extended line of powder feeding groove 120, and its position is defined in the powder feeding groove 120 when making 102 rotations of powder feeding frame.Another axle head of powder feeding frame 102 is positioned at powder feeding groove 120, and extends in the interior pipe of duff pipe 117 described below.In addition, on gland bonnet 106, also be provided with the powder filling port 110 of perforation.Powder filling port 110 accommodates the situation of carbon dust by lid 109 sealings in powder-storage bin 101 inside.
Referring to Fig. 5 a, b, and, on sidewall 121,, be provided with columniform hollow duff pipe 117 corresponding to the position of powder feeding groove 120 extended lines in conjunction with above-mentioned each figure.Duff pipe 117 cylindrical wall are provided with the meal outlet 123 inside and outside the connection powder-storage bin 101.Along powder-storage bin 101 vertical ends, be provided with two locating pieces 124 that are symmetrical in duff pipe 117 axis at duff pipe 117 back to powder-storage bin 101.Radially be sheathed with cylindrical socket 116 on the outer surface of tube wall at duff pipe 117.Internal diameter of cylindrical socket 116 etc. or be a bit larger tham the external diameter of duff pipe 117, that is cylindrical socket 116 can vertically moving back and forth along duff pipe 117 with respect to duff pipe 117.Coil spring 114 is placed on the radially outer surface of tube wall of duff pipe 117, and its end is resisted against on the cylindrical socket 116, and the other end is resisted against the base portion that duff pipe 117 connects powder-storage bins 101.Like this, coil spring 114 can apply the elastic force that it is moved back and forth with respect to duff pipe 117 to cylindrical socket 116 along the vertical of duff pipe 117 when being oppressed or stretch.The cylindrical wall of cylindrical socket 116 is provided with the pollination mouth 125 of its position corresponding to the perforation of meal outlet 123.When cylindrical socket 116 moves back and forth with respect to duff pipe 117, pollination mouthfuls 125 will form the state that aligns or stagger at preposition with meal outlet 123, thereby open or close meal outlet 123, so that the carbon dust in the powder-storage bin 101 is in meal outlet 123 flows out to powder-storage bin 101 outsides or is closed in.Along duff pipe 117 vertically, in the end back to powder-storage bin 101 of cylindrical socket 116, be provided with two breach 126 of perforation.The position of two breach 126 corresponds respectively to above-described locating piece 124, cylindrical socket 116 is being placed on duff pipe 117 radially on the outer surface of tube wall time, by the resilient engagement that makes progress in duff pipe 117 footpath with locating piece 124, it on locating piece 124, is vertically deviate from duff pipe 117 to prevent cylindrical tube tube 116 along duff pipe 117 by gland.Between cylindrical socket 116 and duff pipe 117, be provided with the elastic sealing gasket 115 of the polyporous materials preparation of sponge.Elastic sealing gasket 115 can be fixed on the cylindrical socket 116, also can be fixed on the duff pipe 117.Along the circumferencial direction of cylindrical socket 116 or duff pipe 117, the position of elastic sealing gasket 115 is corresponding to meal outlet 123 and pollination mouth 125.Like this, when producing with respect to duff pipe 117, cylindrical socket 116 moves back and forth, pollination mouthfuls 125 and meal outlet 123 are when precalculated position formation is alignd or staggered state, elastic sealing gasket 115 will form tight capping to meal outlet 123 under the state that staggers of pollination mouth 125 and meal outlet 123, avoid generation to leak powder.
Under carbon dust tube A was loaded into state in the laser printer, cylindrical socket 116 was subjected to the external force effect and moves inward, and compression is the coil spring 114 of contact with it, made meal outlet 123 and pollination mouthful 125 alignment mutually, and meal outlet 123 is opened.Under laser printer drives, the carbon dust in the powder-storage bin 101 is stirred in puddle support 103 stressed rotations, and also stressed rotation simultaneously of powder feeding frame 102, and after the carbon dusts in the powder-storage bin 101 were transported to position, meal outlet 123 place along powder feeding groove 120, carbon dust flowed into developing apparatus from meal outlet 123.Break away from carbon dust tube A under the state of laser printer, cylindrical socket 116 suffered external force disappear, the elastic force that coil spring 114 recovers deformation is outwards passed cylindrical socket 116, after cylindrical socket 116 moves to meal outlet 123 and pollination mouthful 125 positions of staggering mutually, meal outlet 123 is closed, carbon dust is stored in the powder-storage bin 101, and at this state, because the locating piece 124 of duff pipe 117 outer ends has inserted in the breach 126 of cylindrical socket 116, and then make cylindrical socket 116 obtain axial limiting, thereby keep meal outlet 123 and pollination mouth 125 to be in the state that staggers mutually.
Claims (6)
1. laser printer carbon powder tube, comprise the powder-storage bin that is used to store carbon dust, the sidewall of described powder-storage bin is provided with duff pipe, the horizontal tube wall of described duff pipe is provided with and is used for the carbon dust in the described powder-storage bin is outputed to outside meal outlet, it is characterized in that on the horizontal outer surface of tube wall of described duff pipe, being sheathed with along described duff pipe vertically can move back and forth lead the powder gate, the described powder gate of leading is provided with the pollination mouth of position corresponding to described meal outlet, along the connecting and be provided with its elastic force direction between the root of described powder-storage bin and be parallel to described duff pipe coil spring longitudinally longitudinally to described powder gate and the described duff pipe of leading of described duff pipe, an end of described coil spring is connected to that described duff pipe connects the root of described powder-storage bin and the other end is connected to described leading on the powder gate.
2. according to the described laser printer carbon powder tube of claim 1, it is characterized in that, be provided with elastic sealing gasket described leading between powder gate and the described duff pipe in described meal outlet and the corresponding mutually position of described pollination mouth along the circumferencial direction of described duff pipe.
3. according to the described laser printer carbon powder tube of claim 2, it is characterized in that described elastic sealing gasket is fixed in described leading on the powder gate.
4. according to the described laser printer carbon powder tube of claim 2, it is characterized in that described elastic sealing gasket is fixed on the described duff pipe.
5. according to claim 3 or 4 described laser printer carbon powder tubes, it is characterized in that the described powder gate of leading is the cylindricality socket, along the breach that vertically is provided with perforation back to the end of described powder-storage bin of described duff pipe, be provided with the locating piece that inserts in the described breach corresponding to the position of described breach at described duff pipe at described cylindricality socket.
6. according to the described laser printer carbon powder tube of claim 5, it is characterized in that described breach is that two and the center line that is symmetrical in described cylindricality socket distribute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200495748U CN201215610Y (en) | 2008-06-18 | 2008-06-18 | Carbon powder cylinder for laser printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200495748U CN201215610Y (en) | 2008-06-18 | 2008-06-18 | Carbon powder cylinder for laser printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201215610Y true CN201215610Y (en) | 2009-04-01 |
Family
ID=40520814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200495748U Expired - Fee Related CN201215610Y (en) | 2008-06-18 | 2008-06-18 | Carbon powder cylinder for laser printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201215610Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013044752A1 (en) * | 2011-09-28 | 2013-04-04 | 珠海天威飞马打印耗材有限公司 | Toner cartridge |
| WO2015106549A1 (en) * | 2014-01-20 | 2015-07-23 | 珠海赛纳打印科技股份有限公司 | Toner cartridge |
| US9869949B2 (en) | 2014-01-20 | 2018-01-16 | Ninestar Corporation | Toner cartridge with a toner switch assembly |
-
2008
- 2008-06-18 CN CNU2008200495748U patent/CN201215610Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013044752A1 (en) * | 2011-09-28 | 2013-04-04 | 珠海天威飞马打印耗材有限公司 | Toner cartridge |
| WO2015106549A1 (en) * | 2014-01-20 | 2015-07-23 | 珠海赛纳打印科技股份有限公司 | Toner cartridge |
| US9869949B2 (en) | 2014-01-20 | 2018-01-16 | Ninestar Corporation | Toner cartridge with a toner switch assembly |
| US10394163B2 (en) | 2014-01-20 | 2019-08-27 | Apex Technology Co., Ltd. | Toner cartridge with a toner switch assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090401 Termination date: 20170618 |