CN201262686Y - Carbon powder barrel for laser printer - Google Patents
Carbon powder barrel for laser printer Download PDFInfo
- Publication number
- CN201262686Y CN201262686Y CNU2008202005847U CN200820200584U CN201262686Y CN 201262686 Y CN201262686 Y CN 201262686Y CN U2008202005847 U CNU2008202005847 U CN U2008202005847U CN 200820200584 U CN200820200584 U CN 200820200584U CN 201262686 Y CN201262686 Y CN 201262686Y
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- Prior art keywords
- powder
- storage bin
- bin
- carbon dust
- transmission shaft
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Abstract
The utility model provides a carbon powder cylinder used for a laser printer, comprising a powder storage bin, a waste powder bin and a sealing door; a middle bin is arranged between the powder storage bin and the waste powder bin; the first end of a transmission shaft is connected with a powder guide part and the second end thereof passes through the middle bin and extends into the powder storage bin; the segment of the transmission shaft positioned inside the middle bin is sheathed and provided with a torsion spring; one end of the torsion spring is fixed on the segment of the transmission shaft positioned inside the middle bin; the other end of the torsion spring is fixed on the internal wall of the middle bin; and the second end of the transmission shaft which extends into the powder storage bin is provided with a pulling pin, the free end of which is inserted into a slot which is arranged on the sealing door. Under an idle state, the carbon powder cylinder can realize effective locking of a waste powder inlet and a powder outlet of the powder storage bin.
Description
Technical field
The utility model relates to for example carbon dust tube of laser printer of electrophotographic image forming, particularly has the puddle support that is used to transmit carbon dust, is used to store and the powder-storage bin of supply toner and being used to holds the carbon dust tube of the waste powder hopper of the remaining carbon dust that is produced by photosensitive drums.
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 can form the different parts of integrated level.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.Perhaps 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.Perhaps further powder-storage bin and waste powder hopper are combined and be designed to the individual member of carbon dust tube and so on, make it keep dismountable movable connection method with the developing cell that comprises developer roll, powder feeding roller, 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 it is transported to the task of developer roll, moreover utilizes waste powder hopper to hold the remaining carbon dust that is produced by photosensitive drums.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 development 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.
Aforementioned carbon dust tube, its waste powder hopper are provided with for remaining carbon dust and flow into the useless powder inlet in it and control this inlet and open/close state of switch mechanism, and the remaining carbon dust that is produced by photosensitive drums must just can enter in the waste powder hopper through this inlet.For example CN200610107795.1 Chinese invention patent application discloses the developer box that a kind of maintenance supplies to the developer in the print process cartridge of image forming apparatus.This developer box comprises fresh developer chamber and waste developer chamber.The indoor maintenance new reagent of new reagent.Keep discarded developer in the waste developer chamber.Inlet is formed in the waste developer chamber.Discarded developer receives in the waste developer chamber by inlet.First opens and closes member opens and closes inlet.When control member navigated to primary importance, mechanism drove first and opens and closes member to open this inlet after developer box joins print process cartridge to.When control member navigated to the second place, mechanism drove first and opens and closes member to close inlet before developer box separates from print process cartridge.The developer box of this cylindrical shell form is after being loaded into image-forming assembly, the useless powder inlet of its carbon dust tube is inserted in the useless powder outlet of image-forming assembly, rotate the handle of carbon dust tube then, open carbon dust tube powder supply port or meal outlet and supply powder to developing cell, pass through the transmission of gear or transmission shaft simultaneously, guide member in the useless powder inlet of carbon dust tube is rotated simultaneously,, receive useless powder from the useless powder outlet of image-forming assembly to open the useless powder inlet of carbon dust tube.This carbon dust tube, be positioned at the guide member of the useless powder inlet of carbon dust tube and the handle of carbon dust tube, also we can say guide member and the powder supply port of carbon dust tube or the working mechanism that meal outlet has collaborative interlock in the useless powder inlet of carbon dust tube, be that handle is when opening carbon dust tube powder supply port or meal outlet, the useless powder that guide member also is subjected to handle control to open the carbon dust tube simultaneously enters the mouth, otherwise handle is when closing carbon dust tube powder supply port or meal outlet, and the useless powder that guide member also is subjected to handle control to close the carbon dust tube simultaneously enters the mouth.Like this, because the meal outlet of carbon dust tube and useless powder inlet have the synchro switch effect, the meal outlet that will cause carbon dust tube under the idle state to form to open the carbon dust tube simultaneously and the state of useless powder inlet because handle is subjected to accidental shock, cause the fresh developer chamber and the waste developer chamber of carbon dust tube to connect external environment condition simultaneously, cause the carbon dust in fresh developer chamber and the waste developer chamber to leak into the outside simultaneously, form and pollute.
The utility model content
The utility model purpose is to provide a kind of carbon dust tube of laser printer, the useless powder inlet of the meal outlet of this its powder-storage bin of carbon dust tube may command and waste powder hopper is in effective lock control or closed condition at idle state, and the useless powder inlet of avoiding the meal outlet of powder-storage bin and waste powder hopper is opened by accident and formed the carbon dust loss.
According to above-mentioned purpose of design, the laser printer carbon powder tube that the utility model proposes comprises and can store carbon dust and it is supplied to the hermatic door that has handle of carbon dust turnover state in the powder-storage bin of developer roll, the waste powder hopper that can store up the remaining carbon dust that is produced by photosensitive drums and the may command powder-storage bin.Waste powder hopper is provided with recessed waste powder hopper and its axially parallel in the cylindrical longitudinally recessed pipe of waste powder hopper back to the end wall of handle.The cylindrical wall of cylindrical recessed pipe is provided with the useless powder inlet that is communicated with waste powder hopper and external environment condition.Be provided with the round tubular guidewire powder spare that can rotate in the tube chamber of cylindrical recessed pipe around the axis of cylindrical recessed pipe.The pipe wall of leading powder spare is provided with the transitional pore that enters the mouth corresponding to useless powder.Keep apart and each self-sustaining state of isolation by intermediate bin between powder-storage bin and the waste powder hopper.First end connection of transmission shaft is led powder spare and is led the rotation of powder spare around cylindrical recessed pipe axis with control.Second end of transmission shaft passes intermediate bin and stretches in the powder-storage bin.Be positioned at transmission shaft on the section of intermediate bin, be equipped with torsion spring.Torsion spring one end is fixed on the section that transmission shaft is positioned at intermediate bin, and its other end is fixed on the inwall of intermediate bin.Second end that stretches into the transmission shaft of powder-storage bin is provided with finger.The free end of finger is inserted in the slot that is provided with on hermatic door.
Aforementioned laser printer carbon dust tube, the girth of its slot on the circumferencial direction of powder-storage bin are preferably greater than finger free end width in the same direction.
More preferably, aforementioned laser printer carbon dust tube, its torsion spring are closed at hermatic door and are in pressurized under the state of powder-storage bin and turn round state.Open in the process of powder-storage bin at hermatic door, the finger free end keeps in touch with first cell wall of slot along the powder-storage bin circumferencial direction.
Exist its meal outlet and useless powder inlet to be opened so that form the Lou possibility of powder at the carbon dust tube under the idle state by accident, the utility model laser printer carbon powder tube, by following technical measures, promptly for lead the transmission shaft that powder spare rotates around cylindrical recessed pipe axis in order to control, on it is positioned at the section of intermediate bin, torsion spring is set, on it stretches into second end of powder-storage bin, finger is set, and its width that the free end of finger is inserted into be provided with is greater than in the free-ended slot of finger on hermatic door.Under this frame mode, when the rotary seal door when opening the meal outlet on the powder-storage bin, the slot on the hermatic door drives finger and rotates and then order about the transmission shaft rotation to open the useless powder inlet of waste powder hopper; When the rotary seal door when closing the meal outlet on the powder-storage bin, slot on the hermatic door is because have on the powder-storage bin circumferencial direction greater than the free-ended girth of finger, this orders about transmission shaft and turns round rapidly with regard to making torsion spring to discharge the elastic potential energy of being accumulated rapidly, with the useless powder inlet scram of waste powder hopper.So, as long as the slot on the hermatic door is in the predetermined interval, the useless powder inlet of waste powder hopper all will be under the compressing of torsion spring and be in closed condition all the time.So, under the carbon dust tube is not packed the state of laser printer into, even handle is subjected to bigger accidental shock, torsion spring also can apply the useless powder inlet of waste powder hopper and make it close required acting force, and then avoid the useless powder inlet of waste powder hopper under unexpected situation, to be opened, the metastable closed condition thereby the powder that obtains to give up enters the mouth.
Description of drawings
Fig. 1 the utility model laser printer carbon powder tube skeleton view.
Fig. 2 the utility model laser printer carbon powder tube partial sectional view.
Fig. 3 the utility model laser printer carbon powder tube partial structurtes decomposition diagram one.
Fig. 4 the utility model laser printer carbon powder tube partial structurtes decomposition diagram two.
The waste powder hopper cut-open view one of Fig. 5 a the utility model laser printer carbon powder tube.
The waste powder hopper cut-open view two of Fig. 5 b the utility model laser printer carbon powder tube.
Fig. 6 the utility model laser printer carbon powder tube lead powder spare skeleton view one.
Fig. 7 the utility model laser printer carbon powder tube lead powder spare skeleton view two.
Fig. 8 the utility model laser printer carbon powder tube intermediate bin decomposition diagram one.
Fig. 9 the utility model laser printer carbon powder tube intermediate bin decomposition diagram two.
Embodiment
Referring to Fig. 1～9, the configuration state of the utility model laser printer carbon powder tube and related components thereof or feature is shown.The task of bearing according to each building block is investigated the constitution state of carbon dust tube A, and it mainly is made up of following member: be used to hold and lay in a certain amount of carbon dust and carbon dust is transported to powder-storage bin 1 on the developer roll that is positioned at developing apparatus of laser printer, is used to collect and holds the waste powder hopper 2 of the remaining carbon dust that the photosensitive drums by laser printer produces.
Referring to Fig. 1, powder-storage bin 1 is the cylindrical empty tube of inner hollow, and the inner chamber of its hollow is used to store carbon dust.Be installed under the state of (not shown) in the laser printer at carbon dust tube A, in corresponding to powder-storage bin 1 vertical on the cylindrical wall of bottom, be provided with the meal outlet (not shown) that connects this position post jamb.Under carbon dust tube A was installed on state in the laser printer, the carbon dust of powder-storage bin 1 inner reserve was supplied in the developing apparatus of laser printer via this meal outlet.Break away under the state of laser printer at idle state or carbon dust tube A, general sealed door 102 (the seeing shown in Figure 3) of this meal outlet are closed.Hermatic door 102 is the form of arc plate, its external diameter equals or corresponding to the inner diameter of powder-storage bin 1, its vertical end is provided with handle 103, and its end and stage casing part thereof with respect to handle 103 is inserted in the inner chamber of powder-storage bin 1, and its handle 103 is positioned at outside the inner chamber of powder-storage bin 1.The on off state of aforementioned meal outlet is controlled by turn handle 103.Between the meal outlet and hermatic door 102 of powder-storage bin 1, be provided with flexible foam-rubber cushion usually, can provide better sealing function to the meal outlet of powder-storage bin 1 by this foam-rubber cushion.In the inner chamber of powder-storage bin 1, also be provided with the puddle support 101 (referring to Fig. 4) that is used to stir carbon dust.This puddle support 101 is by being arranged on powder-storage bin 1 a vertical end, and the transmission gear 104 on the outer wall identical with handle 103 positions drives to produce rotation.Order about transmission gear 104 rotating moment then from laser printer.
Referring to Fig. 1,2,5, waste powder hopper 2 also is the empty tube of the column of inner hollow, and its xsect is square substantially, and it is arranged on powder-storage bin 1 other end longitudinally, and its position is relative with handle 103.Intermediate bin 3 disjunctions that powder-storage bin 1 and waste powder hopper 2 are made of two intermediate membrane 301,302 (referring to Fig. 3,4,8,9) between the two avoid causing new powder and useless powder to mix to keep state of isolation between the two.Waste powder hopper 2 back to and end wall away from handle 103 on, be provided with and extend into the recessed pipe 201 of waste powder hopper 2 inner cylindrical.On the cylindrical wall of cylindrical recessed pipe 201, be provided with the useless powder inlet 202 of the external environment condition of the inside that is communicated with waste powder hopper 2 and waste powder hopper 2.The axial end wall 205 of cylindrical recessed pipe 201 is parts of the bulkhead of waste powder hopper 2, and it is kept apart cylindrical recessed pipe 201 and waste powder hopper 2 mutually.In the present embodiment, cylindrical recessed pipe 201 axially and round tubular guidewire powder spare 204 described below axially all with vertically being consistent of powder-storage bin 1 and waste powder hopper 2.The remaining carbon dust that the photosensitive drums of laser printer produces flows into waste powder hopper 2 inside and is stored in this via useless powder inlet 202.In waste powder hopper 2 inside, be provided with the carbon dust that is used to put together the helical blade form lead powder frame 203.Lead powder frame 203 and produce rotation by the driving moment that the puddle support 101 in aforementioned powder-storage bin 1 inner chamber transmits, the carbon dust that flows into waste powder hopper 2 inside is guided to useless powder inlet 202 position far away in addition, reserve the mobile required channel of useless powder, so that the remaining carbon dust that photosensitive drums produces can enter the inside of waste powder hopper 2 smoothly.
Referring to Fig. 2,3,4,6,7, in the interior lumen of cylindrical recessed pipe 201, be provided with round tubular guidewire powder spare 204.Circle tubular guidewire powder spare 204 can rotate around the axis of cylindrical recessed pipe 201.So, justifying tubular guidewire powder spare 204 can keep around the axis of cylindrical recessed pipe 201 overlapping.Leading on the pipe wall of powder spare 204, be provided with the transitional pore 206 of perforation.Circle tubular guidewire powder spare 204 corresponding to the position of transitional pore 206 with cylindrical recessed pipe 201 between, be provided with sealing gasket 208, just to strengthen sealing between cylindrical recessed pipe 201 and the circle tubular guidewire powder spare 204.When justifying tubular guidewire powder spare 204 when the axis of cylindrical recessed pipe 201 turns to suitable angle, transitional pore 206 is docked and connected with useless powder inlet 202, the remaining carbon dust that the photosensitive drums of laser printer produces flows to useless powder inlet 202 from transitional pore 206, enters waste powder hopper 2 inside.
Referring to Fig. 1,2,3,4,8,9, the intermediate bin 3 that preamble is addressed is by two intermediate membrane, 301, the 302 common airtight insulated chambers that form that surround.In intermediate bin 3 inside, be provided with driving gear set 303.Puddle support 101 penetrates intermediate bin 3 inside with respect to an end of handle 103, and with 303 engagements of transmission gear group, driving torque is passed to driving gear set 303, driving gear set 303 passes to driving torque and leads the termination that powder frame 203 penetrates intermediate bin 3 inside, orders about and leads powder frame 203 in waste powder hopper 2 inner formation rotations.Above-described round tubular guidewire powder spare 204 is supported on the transmission shaft 207 regularly, first end that is to say transmission shaft 207 connects circle tubular guidewire powder spare 204, so that control circle tubular guidewire powder spare 204 forms rotation around the axis of cylindrical recessed pipe 201, second end of transmission shaft 207 extend in the powder-storage bin 1 after passing intermediate bin 3.Be positioned at transmission shaft 207 on the section of intermediate bin 3 inside and be equipped with torsion spring 304.One end of torsion spring 304 is fixed on the section that transmission shaft 207 is positioned at intermediate bin 3 inside, and its other end is fixed on the inwall of intermediate bin 3, that is is fixed on the pillar 306 that is provided with on the inwall of intermediate membrane 302.Keep to form mutually the state of rotation between transmission shaft 207 and the torsion spring 304.So, when torsion spring 304 is subjected to transmission shaft 207 turn-knobs and when accumulating elastic potential energy, this elastic potential energy will react on transmission shaft 207, impel transmission shaft 207 to produce restorable trend.On second end of the transmission shaft 207 in extending into powder-storage bin 1, be provided with finger 305.The free end of finger 305 is inserted in the slot 105 that is provided with on hermatic door 102.Along the circumferencial direction α of powder-storage bin 1, the girth of slot 105 is greater than the free end width in the same direction of finger 305.Under the confined state of carbon dust tube A, the end that hermatic door 102 is provided with slot 105 closes on the inwall of intermediate bin 3 near powder-storage bin 1, simultaneously, at powder-storage bin 1 and waste powder hopper 2 with the binding site between the intermediate bin 3, be lined with corresponding gasket seal 308,307 respectively, improving powder-storage bin 1 with between the intermediate bin 3, and waste powder hopper 2 is with the sealing effect between the intermediate bin 3.
Under the said structure state, close at hermatic door 102 under the state of meal outlet of powder-storage bin 1, finger 305 is in the state that keeps in touch along first cell wall 106 of powder-storage bin 1 circumferencial direction α with slot 105 in slot 105, and and then make torsion spring 304 be in the state that pressurized is turned round, so that transmission shaft 207 is kept existing all the time the state of rotary torque, impel and lead powder spare 204 and close at hermatic door 102 also to contain under the state of meal outlet of powder-storage bin 1 trend of closing useless powder inlet 202 is arranged.Promoting by handle 103 in the process of hermatic door 102 unlatching powder-storage bins 1, variation along with slot 105 position on powder-storage bin 1 circumferencial direction α, the free end of finger 305 is with the first cell wall 106 formation contacts of slot 105 along powder-storage bin 1 circumferencial direction α, then be subjected to the acting force that first cell wall 106 applies, make finger 305 overcome the reverse elastic force that torsion spring 304 produces, the transmission shaft 207 that drives circle tubular guidewire powder spare 204 forms and rotates, this rotation process forces round tubular guidewire powder spare 204 to rotate on the one hand, make the transitional pore 206 of leading powder spare 204 with useless powder inlet 202 alignment, the final powder inlet 202 that gives up of opening, on the other hand torsion spring 304 is produced compressing, impel torsion spring 304 to accumulate elastic potential energy gradually.Close in the process of powder-storage bin 1 at hermatic door 102, Back Up along with slot 105 position on powder-storage bin 1 circumferencial direction α, the free end that inserts the finger 305 in the slot 105 no longer is subjected to the compressing of slot 105 along first cell wall 106 of powder-storage bin 1 circumferencial direction α, the elastic potential energy that torsion spring 304 had before been accumulated is released, the transmission shaft 207 that drives circle tubular guidewire powder spare 204 forms backwards rotation, make transitional pore 206 form dislocation between the two, the useless powder inlet 202 of final plant closure with useless powder inlet 202.
Claims (3)
1. laser printer carbon powder tube, comprise and to store carbon dust and it is supplied to the powder-storage bin of developer roll, can store up the hermatic door that has handle of carbon dust turnover state in the waste powder hopper of the remaining carbon dust that produces by photosensitive drums and the described powder-storage bin of may command, described waste powder hopper is provided with recessed described waste powder hopper and its axially parallel in the cylindrical longitudinally recessed pipe of described waste powder hopper back to the end wall of described handle, the cylindrical wall of described cylindrical recessed pipe is provided with the useless powder inlet that is communicated with described waste powder hopper and external environment condition, be provided with the round tubular guidewire powder spare that can rotate in the tube chamber of described cylindrical recessed pipe around the axis of described cylindrical recessed pipe, described pipe wall of leading powder spare is provided with the transitional pore corresponding to described useless powder inlet, keep apart and each self-sustaining state of isolation by intermediate bin between described powder-storage bin and the described waste powder hopper, it is characterized in that, its first end connects the described powder spare of leading to control described second end of leading the transmission shaft that powder spare rotates around described cylindrical recessed pipe axis and pass described intermediate bin and to stretch in the described powder-storage bin, be positioned at described transmission shaft on the section of described intermediate bin and be equipped with torsion spring, described torsion spring one end is fixed on the section that described transmission shaft is positioned at described intermediate bin and its other end is fixed on the inwall of described intermediate bin, second end that stretches into the described transmission shaft of described powder-storage bin is provided with finger, and the free end of described finger is inserted in the slot that is provided with on described hermatic door.
2. according to the described laser printer carbon powder tube of claim 1, it is characterized in that the girth of described slot on the circumferencial direction of described powder-storage bin is greater than described finger free end width in the same direction.
3. according to the described laser printer carbon powder tube of claim 2, it is characterized in that, described torsion spring is closed at described hermatic door and is in pressurized under the state of described powder-storage bin and turns round state, opens at described hermatic door that the finger free end keeps in touch with first cell wall of described slot along described powder-storage bin circumferencial direction described in the process of described powder-storage bin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202005847U CN201262686Y (en) | 2008-09-12 | 2008-09-12 | Carbon powder barrel for laser printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202005847U CN201262686Y (en) | 2008-09-12 | 2008-09-12 | Carbon powder barrel for laser printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201262686Y true CN201262686Y (en) | 2009-06-24 |
Family
ID=40809162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202005847U Expired - Fee Related CN201262686Y (en) | 2008-09-12 | 2008-09-12 | Carbon powder barrel for laser printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201262686Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015106549A1 (en) * | 2014-01-20 | 2015-07-23 | 珠海赛纳打印科技股份有限公司 | Toner cartridge |
| CN105589312A (en) * | 2015-11-27 | 2016-05-18 | 北京新晨办公设备有限公司 | Toner outlet device of toner cartridge |
| US9869949B2 (en) | 2014-01-20 | 2018-01-16 | Ninestar Corporation | Toner cartridge with a toner switch assembly |
-
2008
- 2008-09-12 CN CNU2008202005847U patent/CN201262686Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105589312A (en) * | 2015-11-27 | 2016-05-18 | 北京新晨办公设备有限公司 | Toner outlet device of toner cartridge |
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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: 20090624 Termination date: 20170912 |