CN201035327Y - Carbon powder canister for laser printer - Google Patents
Carbon powder canister for laser printer Download PDFInfo
- Publication number
- CN201035327Y CN201035327Y CNU2007200509360U CN200720050936U CN201035327Y CN 201035327 Y CN201035327 Y CN 201035327Y CN U2007200509360 U CNU2007200509360 U CN U2007200509360U CN 200720050936 U CN200720050936 U CN 200720050936U CN 201035327 Y CN201035327 Y CN 201035327Y
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- powder
- magnetic force
- force piece
- magnetic
- carbon dust
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- Expired - Fee Related
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Abstract
The utility model relates to a powdered carbon canister for a laser printer, which comprises a powder storing cabin and a wasted powder cabin. A wasted powder inlet and a switch are arranged on the wasted powder cabin; the switch comprises a leading piece, a movable gate and two sheets of magnetic blocks. The same magnetic poles of the two sheets of magnetic blocks are opposite; the second magnetic block is fixed in the wasted powder cabin; the first magnetic block movably bears in the wasted powder cabin along the central magnetic line. The pivot of the movable gate is fixed on the first magnetic block; the fan blade of the movable gate keeps a sliding contacting state with the wasted powder inlet. The magnetic field action force direction between the two sheets of magnetic blocks is consistent to the sliding direction of the fan blade. The magnetic block adopting a gravity magnetic field distributing manner also can realize the control function. The remained powder collecting control switch of the powered carbon canister is simple, reliable and practical.
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 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, 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 designed to individual member, make it keep dismountable movable connection method with the developing cell that comprises developer roll, powder feeding roller, in time changing carbon dust, the durability that makes full use of parts such as developer roll 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 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, moreover utilizes waste powder hopper to hold the remaining carbon dust that is produced by photosensitive drums.The mode that this split type carbon dust tube and the image forming process unit at developing cell that comprises developer roll, powder feeding roller and photosensitive drums place generally take to separate 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 exposed drum face adjacency of the outer development roll surface of developing chamber sidewall window with photosensitive drums on the image forming process unit, 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 the useless powder inlet that flows into for remaining carbon dust and control this inlet and open and 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 unit 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 inlet after developer box is attached to print process cartridge.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.This carbon dust tube 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, the seal pad that promotion is positioned at the useless powder inlet of carbon dust tube overcomes the thrust of its rear spring, by the guide member guiding seal pad in the useless powder inlet of carbon dust tube along moving away from the direction of the useless powder inlet of carbon dust tube; Rotate the handle of carbon dust tube then, open carbon dust tube powder supply port and supply powder,, the guide member in the useless powder inlet of carbon dust tube is rotated simultaneously, enter the mouth, receive useless powder from the useless powder outlet of image-forming assembly to open the useless powder of carbon dust tube simultaneously by gear drive to photosensitive drums.This carbon dust tube, the construction of switch complexity of the useless powder inlet of its control carbon dust tube, the mutual cooperation precision requirement of switching mechanism is higher.
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 be realized the precise high-efficiency of its useless powder inlet keying state is controlled by simple switching mechanism.
According to the laser printer carbon powder tube of above-mentioned purpose design, comprise be used to store carbon dust and with its be supplied to developer roll powder-storage bin, be used to store up the waste powder hopper of the remaining carbon dust that produces by photosensitive drums.Waste powder hopper is provided with useless powder inlet and control should open and close state of switch by useless powder inlet.This switch comprises guiding piece, valve, the first magnetic force piece and the second magnetic force piece that is used to control the useless powder outlet of image-generating unit keying state.The first magnetic force piece is relative with the like pole of the second magnetic force piece.The second magnetic force piece is fixed in the waste powder hopper.The first magnetic force piece is to be supported in the waste powder hopper along the transportable mode of self magnetic line of force direction.The fulcrum of valve is fixed on the first magnetic force piece.The fan page or leaf of valve is with the contact condition that keeps between the aforementioned useless powder inlet sliding mutually.The fan page or leaf of valve is provided with the stressed of acting force that transmits when the useless powder inlet of waste powder hopper is inserted in the useless powder outlet that is used to be received in image-generating unit.The action of a magnetic field force direction between the first magnetic force piece and the second magnetic force piece is consistent with the glide direction of valve fan page or leaf.
Provide a kind of laser printer carbon powder tube in addition according to above-mentioned purpose.It comprises be used to store carbon dust and with its be supplied to developer roll powder-storage bin, be used to store up the waste powder hopper of the remaining carbon dust that produces by photosensitive drums.Waste powder hopper is provided with useless powder inlet and the useless powder inlet of control opens and closes state of switch.This switch comprises the guiding piece that is used to control the useless powder outlet of image-generating unit keying state.This switch also comprises valve, the first magnetic force piece and the second magnetic force piece.The first magnetic force piece is relative with the opposite pole of the second magnetic force piece.The first magnetic force piece is fixed in the waste powder hopper.The second magnetic force piece is to be supported in the waste powder hopper along self center transportable mode of magnetic line of force direction.The fulcrum of valve is fixed on the second magnetic force piece.The fan page or leaf of valve is with the contact condition that keeps between the useless powder inlet sliding mutually.The fan page or leaf of valve is provided with stressed that is used to accept the acting force that transmits when useless powder inlet is inserted in the useless powder outlet of image-generating unit.The action of a magnetic field force direction between the first magnetic force piece and the second magnetic force piece is consistent with the glide direction of valve fan page or leaf.
Laser printer carbon powder tube of the present utility model utilizes the repulsion field of force of two magnetic force pieces formation or the driving force that gravitational electric enters the mouth as the useless powder that seals waste powder hopper.Before the carbon dust wound packages was gone into printer, one of two magnetic force pieces were gone up the useless powder inlet maintenance sealing contact condition of fixing valve with waste powder hopper, make the useless powder inlet of waste powder hopper be closed obstruct.At this state, because its useless powder inlet is closed, the inner space of waste powder hopper is isolated with external environment condition, and waste powder hopper inner space and external environment condition the carbon dust flow phenomenon can not take place.Go at the carbon dust wound packages under the state of laser printer, the useless powder inlet of waste powder hopper is inserted in the useless powder outlet of the tubular that is provided with on the image-forming assembly of printer or the image-generating unit, conduction by valve, oppress mobilizable magnetic force piece to overcome the two repulsion field of force or gravitational electrics between the magnetic force piece, the useless powder that promotion or traction valve are opened waste powder hopper with sliding type enters the mouth, and makes in the remaining carbon dust inflow waste powder hopper that is produced by photosensitive drums.At this state, because its useless powder inlet is opened wide, the inner space of waste powder hopper goes out interruption-forming carbon dust flow channel with the useless powder of image-forming assembly or image-generating unit, and then is collected remaining carbon dust.
Description of drawings
Fig. 1 the utility model laser printer carbon powder tube embodiment one skeleton view.
Fig. 2 the utility model laser printer carbon powder tube embodiment one fragmentary, perspective view one.
Fig. 3 the utility model laser printer carbon powder tube embodiment one fragmentary, perspective view two.
Fig. 4 the utility model laser printer carbon powder tube embodiment one fragmentary, perspective view three.
Fig. 5 the utility model laser printer carbon powder tube embodiment one guiding piece skeleton view.
Fig. 6 a the utility model laser printer carbon powder tube embodiment one magnetic force spare one skeleton view.
Fig. 6 b the utility model laser printer carbon powder tube embodiment one magnetic force spare two skeleton views.
Fig. 7 a the utility model laser printer carbon powder tube embodiment one fragmentary, perspective view four.
Fig. 7 b the utility model laser printer carbon powder tube embodiment one fragmentary, perspective view five.
Fig. 8 the utility model laser printer carbon powder tube embodiment one fragmentary, perspective view six.
Fig. 9 the utility model laser printer carbon powder tube embodiment two fragmentary, perspective views.
Embodiment
Describe the utility model laser printer carbon powder tube course of work in detail below in conjunction with accompanying drawing.In institute's drawings attached, identical mark is used to refer to identical parts, feature or structure.Embodiment introduce in the process at concrete structure or the parts reference illustration of only understanding the utility model laser printer carbon powder tube as those skilled in the art, those skilled in the art can also make the various equivalent technologies structures that do not exceed the utility model laser printer carbon powder tube technical scope and essence under the enlightenment of this technical scheme.If it is unfavorable limiting the protection domain that the utility model laser printer carbon powder tube claim included with this exemplary illustration thus, the equivalent technologies structural scheme that obtains under the technical solutions of the utility model enlightenment still belongs to the protection domain of the utility model laser printer carbon powder tube claim.
Embodiment one
Referring to Fig. 1～4,7 and 8, the configuration state of the utility model laser printer carbon powder tube is shown.
This carbon dust tube A is made up of following member: powder-storage bin 1, waste powder hopper 2, puddle support 3 and be used to control powder-storage bin 1 is presented carbon dust provider switch 4 from carbon dust to image-generating unit.
Referring to Fig. 1,2, powder-storage bin 1 adopts the plastics of tygon and so on to prepare with molding mode as starting material.Its profile is long box shape approximately.It is formed by several side walls enclose, and only formation is uncovered on the casing long side direction, and seals in the mode of pegging graft with the end cap 102 of shape correspondence.The long bottom sidewall of this long casing 103 outwards expands and is semicylinder 101.The axial long side direction with long casing 103 of semicylinder 101 is consistent.Corresponding to its outer shape, the inner chamber of powder-storage bin 1 also is manufactured with the inner chamber of the long box shape that has the semicolumn part.On bottom sidewall 104, offer the window (not shown) that extends axially certain-length along semicylinder 101 corresponding to powder-storage bin 1 half-cylindrical inner chamber.This window is carbon dust tube A provides carbon dust and so on developer during unshowned image-generating unit to image-generating unit in docking scheme a carbon dust flow channel.
Referring to Fig. 3,4, in the half-cylindrical inner chamber of powder-storage bin 1, being provided with powder-storage bin 1 half-cylindrical internal chamber wall surface keeps the carbon dust provider switch 4 of sliding contact state (among Fig. 3,4, in order more to clearly illustrate the configuration state of carbon dust provider switch 4, do not draw the long casing 103 and semicylinder 101 parts of powder-storage bin 1).The cylindrical approximately on the whole long tube 401 of carbon dust provider switch 4.This cylindrical long tube 401 has with the window of aforementioned carbon dust flow channel as the carbon dust tube A length along semicylinder 101 axial length correspondences.On the tube wall of cylindrical long tube 401, offer breach 402 with the window shape correspondence of aforementioned carbon dust flow channel as carbon dust tube A.Under installment state, an end of cylindrical long tube 401 passes powder-storage bin 1 and is connected with the handle 403 with leverage after with the relative sidewall in end cap 102 positions.The other end of cylindrical long tube 401 slidably is resisted against end cap 102 on the surface of powder-storage bin 1 inner chamber.It serves as the rotation that axle is made certain angle with the half-cylindrical lumen centers line of powder-storage bin 1 that the operator can control carbon dust provider switch 4 by handle 403, provider switch breach 402 is overlapped or alignment with the window of aforementioned carbon dust flow channel as carbon dust tube A some or all ofly, provider switch breach 402 is staggered fully, to open or to close the window of aforementioned carbon dust flow channel as carbon dust tube A with the window of aforementioned carbon dust flow channel as carbon dust tube A.
In addition, in the half-cylindrical inner chamber of powder-storage bin 1, also be provided with puddle support 3, referring to Fig. 3,4.The task of puddle support 3 is to stir to be contained in powder-storage bin 1 inner chamber, mainly is that the carbon dust of its half-cylindrical inner chamber part keeps state fluffy and that be evenly distributed, and makes carbon dust flow to window as the carbon dust flow channel of carbon dust tube A.Puddle support 3 can rotate around the half-cylindrical inner chamber axis of powder-storage bin 1 or the axis of carbon dust provider switch 4.Therefore, the radial diameter of puddle support 3 is slightly smaller than the pipe diameter of carbon dust provider switch 4.The one end passes powder-storage bin 1 and is supported on the handle 403 after with the relative sidewall in end cap 102 positions.
In the long casing shape inner chamber of powder-storage bin 1, be provided with rotating shaft 105 in addition.Rotating shaft 105 is extended along the casing long side direction of powder-storage bin 1, and the one end passes powder-storage bin 1 and is supported on after with the relative sidewall in end cap 102 positions on the first half gears 106.The first half gears 106 are with the second half gear 404 engagements that are arranged on the handle 403.The axis of the second half gears 404 overlaps with cylindrical long tube 401 axis of carbon dust provider switch 4.Like this, when the operator rotated by handle 403 control carbon dust provider switches 4, the second half gears 404 just drove the first half gears 106 and rotate, and impel rotating shaft 105 to rotate.
In end cap 102 outsides of powder-storage bin 1, be provided with the identical end shield 201 of the horizontal section configuration of powder-storage bin 1.End shield 201 is by snapping or be adhered on the end cap 102, and so far, end shield 201 and end cap 102 common encirclements form waste powder hoppers 2, referring to Fig. 1,7a, 7b, 8.
Referring to Fig. 1,2,3,4,7a, 7b, 8, after end shield 201 is buckled on the end cap 102, the other end of puddle support 3 is supported on end shield 201 on the sidewall 202 of powder-storage bin 1 after passing end cap 102, and is set with the complete transmission gear 301 coaxial with puddle support 3 on the extending end of this termination.The task of transmission gear 301 is that the rotary torque that the reception printer transmits rotates to order about puddle support 3.The other end of rotating shaft 105 is supported on end shield 201 on the sidewall 202 of powder-storage bin 1 after passing end cap 102 too.In the position of sidewall 202 supporting shafts 105, be provided with useless powder inlet 203.In the present embodiment, useless powder inlet 203 is to have following shape, and it is the through holes of offering on the cylindrical wall of the sidewall 202 recessed formed small columns 204 of waste powder hopper 2 inner chambers along small column 204 circumferential extensions.The other end of aforementioned rotating shaft 105 is supported on the sidewall 202, is meant that specifically the other end of rotating shaft 105 is supported on the axial end wall of small column 204, and is fixed with guiding piece 205 at extending end.Guiding piece 205 is the cylindrical tube corresponding to the cylindrical cavity of small column 204.The tube wall of guiding piece 205 is provided with opening 206.The outer diameter of guiding piece 205 is slightly smaller than the cylindrical cavity of small column 204, and its inner diameter is a bit larger tham the useless powder outlet of the tubular that is arranged on the image-generating unit.So guiding piece 205 can be done the rotation (referring to Fig. 1 and 8) of circumferencial direction in the cylindrical cavity of small column 204.In guiding piece 205 rotation processes, opening 206 useless powder inlet 203 with waste powder hopper 2 in whole rotational travel keeps being communicated with.The task of guiding piece 205 is that the useless powder that is arranged on the image-generating unit that the not shown image-generating unit of driving is opened or closed with the photosensitive drums correspondence exports, making the remaining carbon dust that results from the photosensitive drums be able to from then on useless powder outlet flows out or is intercepted, and then flow in the waste powder hopper 2 via the opening 206 of guiding piece 205 and the useless powder inlet 203 of waste powder hopper 2 successively, perhaps intercepted in the useless powder outlet of image-generating unit.
Like this, rotate by handle 403 control carbon dust provider switches 4 the operator, the second half gears 404 drive in the first half gear 106 rotating process, rotating shaft 105 rotates thereupon, finally order about the guiding piece 205 that is positioned at rotating shaft 105 ends and also rotate synchronously, finally finish the task that the useless powder outlet of image-generating unit tubular was opened or closed to aforementioned guiding piece 205.
Referring to Fig. 1,2,3,4,6a, 6b, 8, in rotating shaft 105, be coated with and be toroidal near the position of useless powder inlet 203, diameter is approaching substantially, first permanent magnets 208 and second permanent magnets 207 that center magnetic line of force direction and rotating shaft 105 are coaxial.First permanent magnets 208 is relative with the like pole of second permanent magnets 207, and therefore the magnetic field that both produce separately become repels the field of force.Second permanent magnets 207 is fixed in the rotating shaft 105.First permanent magnets 208 is supported in the rotating shaft 105 in the mode that axially can slide along rotating shaft 105.The outer wall surface of first permanent magnets 208 is that valve 209 is fixedly coupled a little by its fulcrum 211.Valve 209 has the enter the mouth fan page or leaf 210 of 203 shape correspondences of useless powder with waste powder hopper 2.Under confined state, valve fan page or leaf 210 is with the contact conditions that keep between the useless powder inlet 203 axially sliding mutually along rotating shaft 105, that is valve fan page or leaf 210 has the effect that opens or closes useless powder inlet 203 when sliding into different positions.On valve fan page or leaf 210, be provided with stressed 212 in addition.Radially stretch in the useless powder inlet 203 along small column 204 for stressed 212.When producing assembling or change the demand of carbon dust tube A, insert in the useless powder outlet of the tubular of image-generating unit under the state of useless powder inlet 203 of waste powder hopper 2 (referring to Fig. 1), be subjected to the contention effect of pushing for stressed 212 by the useless powder outlet of image-generating unit tubular generation, and then overcome the repulsion field of force between first permanent magnets 208 and second permanent magnets 207, promote valve 209 is opened waste powder hopper 2 with sliding type useless powder inlet 203.Otherwise, in the situation of changing carbon dust tube A, the useless powder outlet of image-generating unit is withdrawed from from the useless powder inlet 203 of waste powder hopper 2, the pushing effect that originally was subjected to for stressed 212 disappears, and the repulsion field of force between first permanent magnets 208 and second permanent magnets 207 promotes valve 209 is closed waste powder hopper 2 with sliding type useless powder inlet 203.
Embodiment two
The main structure of present embodiment carbon dust tube is basic identical with embodiment one, and referring to Fig. 9, its architectural feature that is same as embodiment one adopts identical mark.Its difference is the arrangement that changes the first permanent magnets 208` and the second permanent magnets 207` on the basis of embodiment one, and promptly the first permanent magnets 208` is fixed in the rotating shaft 105.The second permanent magnets 207` is supported in the rotating shaft 105 in the mode that axially can slide along rotating shaft 105.Correspondingly, the outer wall surface of the second permanent magnets 207` becomes valve 209` and is fixedly coupled a little by its fulcrum.Simultaneously, the first permanent magnets 208` arranges in the relative mode of opposite pole with the second permanent magnets 207`, so that therefore the magnetic field that both are produced separately become gravitational electric.
Like this, when producing assembling or change the demand of carbon dust tube A, insert in the useless powder outlet of the tubular of image-generating unit under the state of useless powder inlet 203 of waste powder hopper 2 (referring to Fig. 1), stressed 212` is subjected to exporting the contention effect of pushing that produces by the useless powder of image-generating unit tubular, and then overcome gravitational electric between the first permanent magnets 208` and the second permanent magnets 207`, promote valve 209` opens waste powder hopper 2 with sliding type useless powder inlet 203.Otherwise, in the situation of changing carbon dust tube A, the useless powder outlet of image-generating unit is withdrawed from from the useless powder inlet 203 of waste powder hopper 2, the stressed pushing effect disappearance that 212` originally was subjected to, the gravitational electric between the first permanent magnets 208` and the second permanent magnets 207` affect valve 209` to close the useless powder inlet 203 of waste powder hopper 2 with sliding type.
Claims (2)
1. laser printer carbon powder tube, comprise and be used to store carbon dust and it is supplied to the powder-storage bin of developer roll, be used to store up the waste powder hopper of the remaining carbon dust that produces by photosensitive drums, described waste powder hopper is provided with useless powder inlet and controls described useless powder inlet and opens and closes state of switch, described switch comprises the guiding piece that is used to control the useless powder outlet of image-generating unit keying state, it is characterized in that described switch also comprises valve, the first magnetic force piece and the second magnetic force piece, the described first magnetic force piece is relative with the like pole of the described second magnetic force piece, the described second magnetic force piece is fixed in the described waste powder hopper, the described first magnetic force piece is to be supported in the described waste powder hopper along self center transportable mode of magnetic line of force direction, the fulcrum of described valve is fixed on the described first magnetic force piece, the fan page or leaf of described valve is with the contact condition that keeps between the described useless powder inlet sliding mutually, the fan page or leaf of described valve is provided with stressed that is used to accept the acting force that transmits when described useless powder inlet is inserted in the useless powder outlet of described image-generating unit, and the action of a magnetic field force direction between described first magnetic force piece and the described second magnetic force piece is consistent with the glide direction of described valve fan page or leaf.
2. laser printer carbon powder tube, comprise and be used to store carbon dust and it is supplied to the powder-storage bin of developer roll, be used to store up the waste powder hopper of the remaining carbon dust that produces by photosensitive drums, described waste powder hopper is provided with useless powder inlet and controls described useless powder inlet and opens and closes state of switch, described switch comprises the guiding piece that is used to control the useless powder outlet of image-generating unit keying state, it is characterized in that described switch also comprises valve, the first magnetic force piece and the second magnetic force piece, the described first magnetic force piece is relative with the opposite pole of the described second magnetic force piece, the described first magnetic force piece is fixed in the described waste powder hopper, the described second magnetic force piece is to be supported in the described waste powder hopper along self center transportable mode of magnetic line of force direction, the fulcrum of described valve is fixed on the described second magnetic force piece, the fan page or leaf of described valve is with the contact condition that keeps between the described useless powder inlet sliding mutually, the fan page or leaf of described valve is provided with stressed that is used to accept the acting force that transmits when described useless powder inlet is inserted in the useless powder outlet of described image-generating unit, and the action of a magnetic field force direction between described first magnetic force piece and the described second magnetic force piece is consistent with the glide direction of described valve fan page or leaf.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200509360U CN201035327Y (en) | 2007-04-25 | 2007-04-25 | Carbon powder canister for laser printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200509360U CN201035327Y (en) | 2007-04-25 | 2007-04-25 | Carbon powder canister for laser printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201035327Y true CN201035327Y (en) | 2008-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200509360U Expired - Fee Related CN201035327Y (en) | 2007-04-25 | 2007-04-25 | Carbon powder canister for laser printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201035327Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110716405A (en) * | 2019-09-17 | 2020-01-21 | 江西凯利德科技有限公司 | Novel developer supply container and developer supply principle |
| CN113281973A (en) * | 2021-04-16 | 2021-08-20 | 珠海天威飞马打印耗材有限公司 | Carbon powder cylinder |
-
2007
- 2007-04-25 CN CNU2007200509360U patent/CN201035327Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110716405A (en) * | 2019-09-17 | 2020-01-21 | 江西凯利德科技有限公司 | Novel developer supply container and developer supply principle |
| CN113281973A (en) * | 2021-04-16 | 2021-08-20 | 珠海天威飞马打印耗材有限公司 | Carbon powder cylinder |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080312 |