CN100375936C - Cleaning device, process cartridge, cleaning member and electrophotographic image forming apparatus - Google Patents
Cleaning device, process cartridge, cleaning member and electrophotographic image forming apparatus Download PDFInfo
- Publication number
- CN100375936C CN100375936C CNB2004100866918A CN200410086691A CN100375936C CN 100375936 C CN100375936 C CN 100375936C CN B2004100866918 A CNB2004100866918 A CN B2004100866918A CN 200410086691 A CN200410086691 A CN 200410086691A CN 100375936 C CN100375936 C CN 100375936C
- Authority
- CN
- China
- Prior art keywords
- developer
- elastic scraper
- support section
- photosensitive drums
- prolongation
- 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
Links
Images
Landscapes
- Cleaning In Electrography (AREA)
Abstract
A cleaning device to be used in an electrophtographic image forming apparatus, the cleaning device including a frame, an elastic blade elastically contacting an electrophotographic photosensitive drum to remove a developer remaining thereon, a supporting member for supporting the blade, and a removed developer containing portion for containing therein the developer removed from the drum by the blade. The supporting member includes: a supporting portion attached to the frame for supporting the blade; a first bent portion bent from the supporting portion to an opposite side to an attachment surface where the supporting portion is attached to the frame, in an orthogonal direction to the supporting portion; a connecting portion extending from the first bent portion to the opposite side in the orthogonal direction; a second bent portion bent from the connecting portion to a side opposite to a blade side, in the orthogonal direction and in a lateral direction of the supporting portion; and an extension portion extending from the second bent portion to the side opposite to the blade side, in the orthogonal direction and in the lateral direction. A part of the containing portion is constituted by the blade and the supporting member.
Description
Technical field
The present invention relates to a kind of handle box, a kind of cleaning element and electrophotographic image forming apparatus that is used for handle box that is used on cleaning device in the electrophotographic image forming apparatus, a kind of main body that can be removably mounted on electrophotographic image forming apparatus.
Background technology
Here, electrophotographic image forming apparatus is a kind of being used for to go up the imaging device that forms image at recording medium (for example paper or OHP thin slice) by the electric photographic imaging method.As the example of this electrophotographic image forming apparatus, for example known have electricity photography duplicating machine, electrographic printer (for example, laser printer or LED printer), facsimile equipment, word processor and a comprehensive machine (such as multi-function printer) thereof.
Up to now, in aforesaid electrophotographic image forming apparatus, make electric camera photosensitive member stand the selectivity exposure, on the surface of this electric camera photosensitive member, form electrostatic latent image thus by the charging device uniform charging.Then, by developing apparatus with latent electrostatic image developing to obtain visual picture (developer image).Afterwards, developer image is arrived on the recording paper (recording medium).Thus, on recording paper, form image.
Remove by the developer that cleaning device will remain in after the developer image is transferred on the recording paper on the electric camera photosensitive component surface.Then, next imaging is proceeded in operation.
It is to be noted that the developer of being removed from the surface of electric camera photosensitive member by cleaning device is accommodated in and removes the developer-accommodating part.
At present, in order to allow the cleaning balde as cleaning device can have enough cleaning effects, the marginal portion of elastic scraper member must be resisted against on the surface of electric camera photosensitive member with high orientation precision.When the marginal portion of elastic scraper member with respect to the intrusion amount of electric camera photosensitive member with against angle when inappropriate, the developer that remains on the electric camera photosensitive component surface may not can be wiped off fully.
As the cause of this phenomenon, what can expect is, owing to the insufficient strength that departs from and support the sheet metal of this elastic scraper member of the installation site of cleaning balde causes sheet deformation.
As the method that solves this problem of sheet metal insufficient strength, take to thicken this sheet metal usually.But, see that from the cost and the loss of weight aspect of imaging device this method is disadvantageous.In addition, as another kind of method, also can make this sheet metal crooked so that increase the intensity (with reference to JP H07-175393A and JP H06-95502A) of sheet metal.
In addition, in recent years, the demand that can form the technicolo electrophotographic image forming apparatus of coloured image on recording medium is increased.In these technicolo electrophotographic image forming apparatus, for example a kind of technicolo electrophotographic image forming apparatus with tandem system being put in the practical application, wherein is that photosensitive drums is arranged to delegation so that form the developer image of yellow (Y), magenta (M), cyan (C) and black (B) with cydariform electric camera photosensitive member.
Specifically, be provided with abreast in the technicolo electrophotographic image forming apparatus of the vertical tandem of having of a plurality of photosensitive drums system along vertical direction therein,, also must reduce the height of removing the developer-accommodating part in order to reduce the height of this electrophotographic image forming apparatus.
As mentioned above, compact conformation and at a high speed and high image quality be in recent years to the requirement of imaging device.
In order to satisfy this requirement, require to make the main body of imaging device and in imaging device, occupy handle box (cleaning device) miniaturization than large space.
For this reason, require to make the parts miniaturization that constitutes handle box (cleaning device) and effectively arrange these parts.
Summary of the invention
In view of the foregoing, even an object of the present invention is to provide a kind of height that does not change developer-accommodating part also can in removing the developer-accommodating part, hold than prior art in the cleaning device of more substantial developer, a kind of handle box, a kind of cleaning element and a kind of electrophotographic image forming apparatus that this cleaning device, handle box and cleaning element can be installed on it.
Another object of the present invention is to provide a kind of and the developer containing part phase-splitting with same volume than the cleaning device that can reduce the height of removing the developer-accommodating part, a kind of handle box, a kind of cleaning element and a kind of electrophotographic image forming apparatus that this cleaning device, handle box and cleaning element can be installed on it.
A further object of the present invention is to provide a kind of its height that reduces to realize the cleaning device of miniaturization and handle box and a kind of electrophotographic image forming apparatus that this cleaning device and handle box can be installed on it by reducing the height of removing the developer-accommodating part.
A further object of the invention is, provide a kind of wherein at the cleaning device of a plurality of positions curved support member with the intensity of increase supporting member, a kind of handle box, a kind of cleaning element, and a kind of electrophotographic image forming apparatus that this cleaning device, handle box and cleaning element can be installed on it.
A further object of the present invention is to provide a kind of cleaning device that the holding portion of removing developer is made of the prolongation on a side relative with supporting member being installed to supporting member installation surface on the framework that wherein is used for holding within it, a kind of handle box, a kind of cleaning element and a kind of electrophotographic image forming apparatus.
A further object of the present invention is to provide a kind of cleaning element, a kind of cleaning device of this cleaning element and electrophotographic image forming apparatus that adopts this handle box of comprising, this cleaning element comprises: elastic scraper, and it is suitable for removing with the developer that will remain on photosensitive drums on the photosensitive drums with the photosensitive drums Elastic Contact; And a supporting member that is used for the support elastic scraper plate, this supporting member comprises that elastic scraper is mounted thereon and is used for supporting the support section of this elastic scraper, this support section is installed on the handle box; First sweep, it is along bending to and the relative opposite side of installation surface that support section is installed on the framework from support section with the vertical direction of support section quadrature; Extend to the coupling part of opposite side from first sweep along vertical direction; Second sweep, it is along vertical direction and laterally bend to a side relative with a side that is provided with elastic scraper from the coupling part along support section; And prolongation, it is along vertical direction and laterally extend to a side relative with a side that is provided with elastic scraper from second sweep, wherein, when being installed in cleaning element on the handle box, cleaning element is configured to hold therein the part of the removal developer-accommodating part of the developer of being removed from electro-photographic light-sensitive drum by elastic scraper, filtrator (85) vertically is arranged between prolongation and the handle box along described prolongation and handle box, described filtrator permission air-flow (A) partly passes through to from the removal developer-accommodating and reaches the outside, and stop the removal developer to pass through, the air communication in the described removal developer-accommodating part is crossed the outside that filtrator leads to described removal developer-accommodating part.
Read purposefully is following in conjunction with the drawings will understand these and other purposes, features and advantages of the present invention more about the explanation of the preferred embodiment of the invention.
Description of drawings
Fig. 1 has used the integrally-built synoptic diagram of an embodiment of imaging device of the present invention for expression;
Fig. 2 is removably mounted on the cut-open view of having used the handle box on the imaging device of the present invention;
Fig. 3 A and 3B are respectively the skeleton view that handle box of the present invention has been used in expression;
Fig. 4 wherein is installed in handle box the skeleton view of the state on the main body of having used imaging device of the present invention for expression;
Fig. 5 is used to illustrate the skeleton view of having used the assembling of cleaning element of the present invention on the cleaning framework;
Fig. 6 is a cut-open view of having used an embodiment of cleaning device of the present invention;
Fig. 7 is the side view that shows the shape of cleaning balde shown in Fig. 6;
Fig. 8 is the skeleton view that shows the shape of cleaning balde shown in Fig. 6;
Fig. 9 shows wherein to have used the skeleton view that cleaning element of the present invention is installed in the state on the cleaning framework; And
Figure 10 A and 10B are respectively the cut-open view that another embodiment of cleaning device of the present invention has been used in expression.
Embodiment
Preferred embodiment to cleaning element, cleaning device, handle box and electrophotographic image forming apparatus describes below with reference to accompanying drawings.
First embodiment
Fig. 1 shows the one-piece construction of conduct according to the technicolo electrophotographic image forming apparatus of an embodiment of electrophotographic image forming apparatus of the present invention.At first, with reference to Fig. 1 the one-piece construction of this technicolo electrophotographic image forming apparatus is described.
(one-piece construction of imaging device)
With reference to Fig. 1, in this technicolo electrophotographic image forming apparatus, a plurality of imagings station i.e. in this embodiment four imaging station Pa, Pb, Pc and Pd longitudinally is arranged in the main body 100 of imaging device in parallel to each other.Handle box 7 (7a, 7b, 7c and 7d) is removably mounted on imaging station Pa, Pb, Pc and the Pd by the erecting device (not shown) respectively.
Though in this embodiment imaging station Pa, Pb, Pc and Pd longitudinally (be near vertical ground) be arranged to delegation in parallel to each other, the direction that is provided with of imaging station Pa, Pb, Pc and Pd can be with respect to the vertical direction slight inclination.
Handle box 7 (7a, 7b, 7c and 7d) comprises electric camera photosensitive member (below abbreviate " photosensitive drums " as) 1 (1a, 1b, the 1c and the 1d) of cydariform respectively.This photosensitive drums 1 (1a, 1b, 1c and 1d) is suitable for being driven to rotate along the counter clockwise direction among Fig. 1 by the drive unit (not shown).On the periphery of photosensitive drums 1 (1a, 1b, 1c and 1d), be provided for giving respectively the charging unit 2 (2a, 2b, 2c and 2d) of the surperficial uniform charging of photosensitive drums 1 (1a, 1b, 1c and 1d) in order along the sense of rotation of photosensitive drums 1 (1a, 1b, 1c and 1d); Be used for applying laser beam on the surface of photosensitive drums 1 (1a, 1b, 1c and 1d), to form the scanner device 3 (3a, 3b, 3c and 3d) of electrostatic latent image respectively to the surface of photosensitive drums 1 (1a, 1b, 1c and 1d) according to image information; Be used to make developer to stick to the developing parts 4 (4a, 4b, 4c and 4d) this latent electrostatic image developing is become the developer image on the electrostatic latent image respectively; Be used for the lip-deep developer image of photosensitive drums 1 (1a, 1b, 1c and 1d) the static printing device 5 to the recording medium; And the cleaning device 6 (6a, 6b, 6c and 6d) that is used for after transfer process is finished, removing the lip-deep remaining developer that remains in photosensitive drums 1 (1a, 1b, 1c and 1d).
In this embodiment, photosensitive drums 1 (1a, 1b, 1c and 1d), charging unit 2 (2a, 2b, 2c and 2d), developing parts 4 (4a, 4b, 4c and 4d) and cleaning device 6 (6a, 6b, 6c and 6d) mutually combining respectively is integral to constitute handle box 7 (7a, 7b, 7c and 7d).
Also begin to describe from photosensitive drums 1 (1a, 1b, 1c and 1d) below by due order with reference to Fig. 2.
Each photosensitive drums 1 (1a, 1b, 1c and 1d) forms by on the cylindrical external peripheral surface of aluminum a photoconductive layer being set.Two ends of each photosensitive drums 1 (1a, 1b, 1c and 1d) are supported rotationally by supporting member respectively, and driving force is passed to one end thereof from the driving motor (not shown).As a result, driving each photosensitive drums 1 (1a, 1b, 1c and 1d) rotates in the counterclockwise direction.
Charging unit 2 (2a, 2b, 2c and 2d) is a conductive rollers.Charging roller 2 (2a, 2b, 2c and 2d) is resisted against respectively on the surface of photosensitive drums 1 (1a, 1b, 1c and 1d).(2a, 2b, 2c and 2d) applies the charging bias voltage to charging roller 2, to give the surperficial uniform charging of photosensitive drums 1 (1a, 1b, 1c and 1d).
Scanner device 3 (3a, 3b, 3c and 3d) is by the polygonal mirror 9 (9a of high speed rotating, 9b, 9c and 9d) and imaging len 10 (10a, 10b, 10c and 10d) to the surface of the photosensitive drums 1 that has been recharged (1a, 1b, 1c and 1d) apply with from the corresponding image beam of the picture signal of laser diode (not shown), thereby make photosensitive drums 1 (1a selectively, 1b, 1c and 1d) face exposure, thus respectively at photosensitive drums 1 (1a, 1b, 1c and 1d) the surface on form electrostatic latent image.
Developing parts 4 (4a, 4b, 4c and 4d) has the developer reservoir 41 that is suitable for holding therein respectively yellow, magenta, cyan and black reagent.The developer that will be contained in the developer reservoir 41 by feed mechanism 42 sends developer feeding roller 43 to.
Developer feeding roller 43 rotates along the clockwise direction among Fig. 2.This developer feeding roller 43 is given developer roll 40 with developer feeding, and remaining developer is wiped off from developer roll 40.
The developer that has been supplied on the developer roll 40 is coated on the excircle of developer roll 40 (clockwise rotating in Fig. 2) by the developing blade on the excircle that is pressed against developer roll 40 44.In addition, make electric charge on this developer band.Then, apply the development bias voltage to developer roll 40 closely facing to the surface of the photosensitive drums 1 that is formed with electrostatic latent image on it.As a result, developer roll 40 makes the latent electrostatic image developing that forms on the surface of photosensitive drums 1.
Transfer roll 12 (12a, 12b, 12c and 12d) is arranged on respectively on the position facing to four photosensitive drums 1 (1a, 1b, 1c and 1d), so that be resisted against on the inboard of transfer belt 11 each other abreast.In transfer process, apply bias voltage with positive polarity to each transfer roll 12 (12a, 12b, 12c and 12d).Then, on the recording medium S that developer image is contacted to the surface with photosensitive drums 1.
During imaging operation, regularly drive photosensitive drums 1 (1a, 1b, 1c and 1d) along counterclockwise rotating with imaging.Then, order drives the scanner device 3 (3a, 3b, 3c and 3d) corresponding with each box 7 (7a, 7b, 7c and 7d).Charging roller 2 (2a, 2b, 2c and 2d) drives operation by this respectively and apply uniform electric charge on the circumferential surface of photosensitive drums 1 (1a, 1b, 1c and 1d).Then, scanner device 3 (3a, 3b, 3c and 3d) makes the circumferential surface exposure of photosensitive drums 1 (1a, 1b, 1c and 1d) accordingly with picture signal, thereby forms electrostatic latent image respectively on the circumferential surface of photosensitive drums 1 (1a, 1b, 1c and 1d).Developer roll 40 (40a, 40b, 40c and 40d) makes developer be transferred to the electronegative potential part of electrostatic latent image, to form (development) developer image respectively on the circumferential surface of photosensitive drums 1 (1a, 1b, 1c and 1d).
Then, recording medium S is pressed against on the neighboring of transfer belt 11, so that remain between Electrostatic Absorption roller 22 and the transfer belt 11.As a result, reliably recording medium S is adsorbed on the transfer belt 11 to be delivered to the transfer section in downstream always.
When recording medium S is carried in this manner, will be at photosensitive drums 1 (1a, 1b, 1c and 1d) lip-deep developer image by at photosensitive drums 1 (1a, 1b, 1c and 1d) and transfer roll 12 (12a, 12b, 12c and 12d) between the electric field that produces sequentially be transferred to respectively on the recording medium S.
Under helping, the bending of band driven roller 13 makes that transfer printing has the developer record images medium S of four kinds of colors to separate with transfer belt 11 on it, to be transported to photographic fixing part 20.In photographic fixing part 20,, recording medium S is discharged into the outside from row's paper part 24 by paired exit roller 23 with after the developer thermal image photographic fixing of four kinds of colors is to recording medium S.(structure of handle box)
Next, with reference to Fig. 2,3A and 3B the treatment in accordance with the present invention box is described.
Fig. 2 and Fig. 3 A and 3B are suitable for the main cut-open view and the skeleton view of the handle box 7 of receiving photographic developer therein.It is to be noted that yellow, magenta, cyan and black handle box 7 (7a, 7b, 7c and 7d) have identical structure.
The developing cell 4A that handle box 7 comprises photosensitive drums 1 independently, have the cleaner unit 50 of charging unit 2 and cleaning device 6 and have the developing parts 4 that is used to make the latent electrostatic image developing on photosensitive drums 1.
Charging unit 2, the cleaning balde 60 and the flexible sheet member 80 that are used for will remaining in the cleaning device 6 that photosensitive drums 1 lip-deep developer (remaining developer) wipes off after transfer process finishes are arranged on around the circumferential surface of photosensitive drums 1.And, will be contained in from the remaining developer (removal developer) that remove on the surface of photosensitive drums 1 as in the removal developer-accommodating chamber 55 that is located at the removal developer-accommodating part the cleaning framework 51.
In addition, the lip-deep developer that remains in photosensitive drums 1 after transfer printing finishes is passed in the abutment portion between flexible sheet member 80 and the photosensitive drums 1, with the position of arrival cleaning balde 60.Flexible sheet member 80 is flexibly contacting the surface of photosensitive drums 1, thereby the developer of removing can be passed in the abutment portion between flexible sheet member 80 and the photosensitive drums 1.Prevented that thus the developer of removing from leaking into the outside of cleaning framework 51.
Developing cell 4A has and is used for the developing frame 45 of receiving photographic developer (45a and 45b) therein.Developing frame 45a and 45b interconnect (by utilizing ultrasonic wave soldering method etc.), to constitute developer container unit 46.Be suitable for rotating (along by the direction shown in the arrow Y) and be supported on rotationally in the developer container unit 46 by the supporting member (not shown) in photosensitive drums 1 and the developer roll 40 that leaves minim gap between himself simultaneously.In addition, developer roll 40, developer feeding roller 43 and developing blade 44 are arranged in the developer container unit 46.And, developer carrier mechanism 42 is located in the developer container unit 46.
The connecting hole 47 that is located in the two ends of developer container unit 46 is aimed at the supported hole 52 in the two ends that are located at cleaning framework 51, and in this state, pin 49 is inserted into connecting hole 47 and the supported hole 52 from the two ends of cleaning framework 51, and whole developing cell 4A is supported swingably with respect to cleaner unit 50.
In addition, developing cell 4A is promoted consistently by the compression spring (not shown), thereby makes the surface of developer roll 40 contact photosensitive drums 1.
(with respect to the method for imaging equipment body attaching/detaching handle box)
Next, with reference to the method for Fig. 4 explanation with respect to the main body 100 attaching/detaching handle boxes 7 of imaging device.
As shown in Figure 4, door (Qianmen) 101 is that the center is located in the main body 100 of imaging device swingably with axis of support 102.Transfer device 5 adopts the linkage component (not shown) to be installed in the inside at Qianmen 101.Transfer device 5 can be swung around axis of support 103 with the swinging operation at Qianmen 101.In the state that Qianmen 101 and transfer device 5 are opened, box 7 can be with respect to main body 100 attaching/detachings of imaging device therein.Handle component 90 longitudinally is located at respectively in the two ends of handle box 7.When with respect to the main body 100 attaching/detaching handle boxes 7 of imaging device, operating personnel hold handle component 90.
The insertion targeting part (not shown) that is located in the handle box 7 engages with the rail sections (not shown) that is provided with for each the imaging station in imaging equipment body 100, thus handle box 7 is installed on the precalculated position with on the main body 100 that is removably mounted on imaging device.
(structure of cleaning balde)
Below, will the structure of the cleaning balde of the cleaning device of having used one embodiment of the invention on it be described.Below, describe with reference to Fig. 2 and Fig. 5 to 7 pair of structure that is located at the cleaning balde 60 in the handle box 7.
As shown in Figure 7, have by rubber component as the cleaning balde 60 of cleaning element and make and be suitable for against the elastic scraper 62 on the surface of photosensitive drums 1 and be used for support elastic scraping the support metal plate 61 of the member of board member 62.Elastic scraper 62 is by bonding or integrally formed being fixed on the support metal plate 61.Elastic scraper 62 is used for will remaining in the lip-deep developer of photosensitive drums 1 and removes from the surface of photosensitive drums 1.It is to be noted, Fig. 2,6 and 10A in, symbol C represents the clean operation position.Clean operation position C is that cleaning balde 62 contacts with the surface of photosensitive drums 1 will remain in the position that photosensitive drums 1 lip-deep developer is removed from the surface of photosensitive drums 1.
Shown in Fig. 6 and 10A, according to this embodiment, handle box 7 (cleaning device 6) so is installed on the main body 100 of imaging device, promptly, support section 61h almost flatly is provided with (in this embodiment, support section 61h is inclined upwardly about 2 ° with respect to horizontal direction).Coupling part 61i and prolongation 61j both extend downwards.In addition, prolongation 61j is arranged at the position of the clean operation position C that vertically is lower than the surface that makes elastic scraper 62 contact photosensitive drums 1.That is to say that the first sweep 61d is bent downwardly.Coupling part 61i extends downwards from the first sweep 61d.Prolongation 61j extends downwards from the second sweep 61e, and extends to a side relative with a side that is provided with elastic scraper 62 along the horizontal P (with reference to Fig. 7 and 8) of support section 61h.Support section 61h is arranged to across above charging roller 2.Coupling part 61i is arranged in the side of charging roller 2.Therefore, supporting member 61 extends to the back side of removing developer-accommodating chamber 55, so that avoid charging roller 2.Supporting member 61 and elastic scraper 62 constitute the bottom surface of removing developer-accommodating chamber 55.Therefore, prolongation 61j is equipped with dead band on the private side of charging roller 2 therein and constitutes and remove developer-accommodating chamber 55 by effective utilization.The remaining developer from the surface removal of photosensitive drums 1 is promoted gradually with motion backward at C place, clean operation position.At this moment, the motion backward of the developer of removal also is subjected to the promotion of air current A.In this embodiment, supporting member 61 (prolongation 61j) is configured to hold the space of the developer of removal.As a result, when the developer of removing moves on support section 61h when passing support section 61h gradually, the developer of removal since the operation of himself weight and air current A drop on the prolongation 61j.Then, the developer container of removing is contained in the space that is limited by cleaning framework 51, filtrator 85 and prolongation 61j.Therefore, according to this embodiment, the developer container of removing can be contained in the farther interior part side of clean operation position C.In addition, can be by effectively utilizing the developer that space on charging roller 2 sides holds removal.
In addition, in this embodiment, support metal plate 61 is that the steel plate of 1.2mm forms by thickness.Each place in the first and second sweep 61d and 61e bends to crank shape with support metal plate 61.Support section 61h, coupling part 61i and prolongation 61j interconnect by the first and second sweep 61d and 61e.
The angle θ 1 of the first sweep 61d, promptly coupling part 61i in 90 ° to 100 ° scope, and is approximately 90 ° with respect to the bending angle of support section 61h in this embodiment.In addition, the angle θ 2 of the second sweep 61e, promptly prolongation 61j in 0 ° to 30 ° scope, and is approximately 21 ° (with reference to Fig. 7) with respect to the bending angle of support section 61h in this embodiment.
It is to be noted that though with reference to the particular case that support section 61h almost flatly is provided with this embodiment is illustrated, the present invention can't be confined to this configuration.For example, support section 61h can be inclined upwardly with respect to horizontal direction, perhaps can be downward-sloping with respect to horizontal direction.In these situations, can obtain the effect identical with above-mentioned effect.
Therefore, supporting member 61 has: the first sweep 61d, it from support section 61h be bent to along with the vertical direction Q of the bearing of trend of support section 61h (with reference to Fig. 6,7 and 10A) side relative with installation surface 61h1, supporting member 61 can be installed on the cleaning framework 51 by this installation surface 61b1; Coupling part 61i, it extends to the side relative with installation surface 61h1 along vertical direction Q from the first sweep 61d; The second sweep 61e, it is bent downwardly to along the horizontal P (with reference to Fig. 7 and 8) of support section 61h and along a vertical direction Q side relative with a side that is provided with elastic scraper 62 from coupling part 61i; And prolongation 61j, it extends to along the horizontal P of support section 61h and along a vertical direction Q side relative with a side that is provided with elastic scraper 62 from the second sweep 61e.
As shown in Figure 6, carry out the above-mentioned operation that support metal plate 61 is fixed on the cleaning framework 51 on the framework 51 by support section 61h being fastened on cleaning with screw 65.It is to be noted that support section 61h is installed on the cleaning framework 51 by its installation surface 61h1.
A plurality of sweeps (61d and 61e) are located in the support metal plate 61.As a result, support metal plate 61 is formed the crank-like shape, therefore, the intensity of this support metal plate self has the intensity of the common support metal plate of L shaped warp architecture greater than its xsect.And, the support section 61h of support metal plate 61 is installed on the framework 51, can use screw 65 that support metal plate 61 is fastened on position on the framework 51 near elastic scraper member 62 thus.As a result, improved the intensity of cleaning balde 60 (cleaning element).
As mentioned above, with screw 65 (tight screw) support metal plate 61 is fastened on as on the cleaning framework 51 of the shell of cleaner unit 50 (with reference to Fig. 5 and 6).Support metal plate 61 is fastened on screw on the stayed surface 52 and 53 that is positioned on the two ends of cleaning framework 51 at its opposed end place longitudinally.In this, screw 65 extends fully through the bore portion 61q that drills support metal plate 61 and 61r to be screwed onto (with reference to Fig. 5,8 and 9) among the bore portion 52c and 53c that is located at respectively on stayed surface 52 and 53.In addition, the nose shape of screw 65 is not particularly limited, therefore can takes arbitrary shape as nose shape.
In Fig. 5, engage to determine cleaning balde 60 (the cleaning framework 61) position of (along X-direction) along the longitudinal with the slotted hole 61c that drills support metal plate 61 by making the locator protrusions 52b that is located on the stayed surface 52.And, by make the square protrusion 52a that is located on stayed surface 52 and 53 and 53a respectively be located at support metal plate 61 in notch portion 61a and 61b engage to determine that cleaning balde 60 (cleaning framework 51) is along the horizontal position of (along Y direction).In addition, determine the position of cleaning balde 60 (cleaning framework 51) by the height of each stayed surface 52 and 53 along short transverse (along Z-direction).Cleaning balde 60 accurately is resisted against on the photosensitive drums 1 according to those factors.
In this embodiment, the power on the cleaning balde 60 of acting on is in stationary state, and promptly cleaning balde 60 is resisted against in the state on the photosensitive drums 1 therein, whole vertically in being approximately 1.5 to 2.5kg scope along cleaning balde 60.When photosensitive drums is rotated, because the friction force that produces between elastic scraper member 62 and photosensitive drums 1 is added in the above-mentioned power, so make a concerted effort to fall in 2.0 to 4.0kg the scope of being approximately.
As in this embodiment, on support metal plate 61, be provided with a plurality of sweeps, and make support metal plate 61 is fixed to the fixed position of cleaning on the framework 51 near elastic scraper member 62, prevent thus cleaning balde 60 along away from the direction of photosensitive drums 1 in its central portion office bending longitudinally.
In addition, make the as close as possible elastic scraper member 62 of the first sweep 61d, the gap L (with reference to Fig. 6) that limits between the first sweep 61d and cleaning framework 51 is increased.It is to be noted, determine the position of the first sweep 61d, flow out scope so that avoid when forming elastic scraper member 62, occurring rubber according to the head diameter of screw 65.
According to above-mentioned embodiment, compare with the situation of traditional structure with same intensity, can make support metal plate 61 thinner.Therefore, the size of cleaning element not only can be reduced, but also cleaning device and handle box miniaturization can be made.In addition,, can guarantee intensity although can make the cleaning element miniaturization, and the performance that therefore can keep clean.
(removing the developer-accommodating chamber)
Next, describe with reference to Fig. 2 and 6 pairs of removal developer-accommodating chambers 55 as removal developer-accommodating part.Here, remove developer-accommodating chamber 55 and be used for holding therein the remaining developer of having removed from the surface of photosensitive drums 1 by elastic scraper 62.
Shown in Fig. 2 and 6, in this embodiment, when when its xsect is seen, the space formation of the removal developer-accommodating chamber 55 that in handle box 7, constitutes by limiting by cleaning framework 51, cleaning balde 60 (comprising support metal plate 61 and elastic scraper 62), filtrator 85, photosensitive drums 1 and flexible sheet member 80.At the relative longitudinal end place of removing developer-accommodating chamber 55, the elastic component (not shown) is fixed on the cleaning framework 51, and this unitized construction is resisted against on the photosensitive drums 1.Therefore, on two end side, provide the gap.
In this embodiment, filtrator 85 is made by resilient foam member (for example, Moltopren (registered trademark)).Filtrator 85 allows air current A to lead to the outside from the inboard of removing developer-accommodating chamber 55, and stops that the developer of removal passes through.It is to be noted that air current A causes (with reference to Fig. 6) by the rotation of photosensitive drums 1.
In this embodiment, the carrier mechanism that is used to deliver the developer of removal is not set at and removes in the developer-accommodating chamber 55.As mentioned above, in waste developer accommodating chamber 55, cause air current A, thus the developer of removing is carried to the private side of waste developer accommodating chamber 55.In addition, adopt double sticky tape etc. that filtrator 85 is adhered on the prolongation 61j.Then, cleaning balde 60 is installed on the cleaning framework 51.As a result, filtrator 85 is arranged in the state that wherein filtrator 85 is pressed against on the support 54 that is arranged in the cleaning framework 51.It is to be noted that filtrator 85 is along vertical setting of prolongation 61j and cleaning framework 51.
In this embodiment, prolongation 61j is arranged in the position (with reference to Fig. 6) that promptly is resisted against the low distance H of lip-deep abutment portion of photosensitive drums 1 than clean operation position C at this place's elastic scraper member 62.As a result, the space that is used in the developer that holds removal has obtained effective utilization, and the space that is furnished with charging roller 2 is left in prolongation 61j extension.In this embodiment, distance H is set at about 6mm.It is to be noted that distance H can fall in 5 to 15mm the scope.。In addition, the space of formation waste developer accommodating chamber 55 is limited by photosensitive drums 1, cleaning framework 51, cleaning element 60 and thin-plate element 80.Here, prolongation 6lj constitutes the bottom surface of waste developer accommodating chamber 55.It is to be noted that a part of space that constitutes waste developer accommodating chamber 55 can be limited by cleaning framework 51, supporting member 61 and elastic scraper 62 (cleaning element 60).
According to above-mentioned embodiment, compared with prior art,, adopt said structure also can improve the volume of the removal developer that can be accommodated in the waste developer accommodating chamber even the height of waste developer accommodating chamber is constant.In addition, compare, can reduce the height of waste developer accommodating chamber with waste developer accommodating chamber with same volume.In addition, the height of waste developer accommodating chamber reduces to make the height might reduce cleaning device and handle box.Therefore, can make waste developer accommodating chamber, cleaning device and handle box miniaturization.Have, cleaning element can be used as a part of waste developer accommodating chamber, realizes low cost structure thus again.
Second embodiment
In Figure 10 A and 10B, demonstrate second embodiment of having used cleaning balde 60 of the present invention on it.Because the structure of the cleaning balde 60 of second embodiment is identical with the structure of the cleaning balde 60 of first embodiment, so with identical symbolic representation have with first embodiment in the composed component of identical operations, and the explanation of being done in the first embodiment will be applicable to those elements.
In this embodiment, the friction member 70 (charging roller cleaning element) that will be suitable for the circumferential surface of contact charging roller 2 is installed on the prolongation 61j.
Just, in the state of elastic plate member 71 fluctuation therein, when charging roller 2 was installed, the some parts of elastic plate member 71 can not be resisted against on the charging roller 2, and the cleaning that therefore is used for charging roller 2 may become undesirable.
Shown in Figure 10 B, in the situation of this embodiment, the drift L0 of elastic plate member 71 is set in 6 to 10mm the scope, with elastic plate member 71 lean against on the charging roller 2 be set in 2 to 8mm scope against length L 1 in, and the intrusion amount Δ of elastic plate member 71 in charging roller 2 be set in 2 to 4mm the scope.Here, intrusion amount Δ refers to the bee-line between the excircle of the free end top of the elastic plate member 71 that extends towards charging roller 2 and charging roller 2 with regard to design.
The angle θ 2 of prolongation 61j is in aforesaid scope.Elastic plate member 71 is directly installed on the prolongation 61j, and in cleaning framework 51 support etc. is not set, and has satisfied above-mentioned condition thus.Therefore, elastic plate member 71 is not installed into and can promptly have scrambling at its place, top along the axis direction fluctuation of photosensitive drums 1.
According to the structure of this embodiment, circumferential surface that can charging cleaning roller 2, and therefore make image quality stable.
It is to be noted, though in the above-described embodiment will be to recording medium S in the developer image that forms on the surface of photosensitive drums 1, but also can take a kind of like this structure, wherein the developer image that will form on the surface of photosensitive drums 1 temporarily is transferred on the intermediate transfer member, then the developer image is transferred on the recording medium S from middle transfer member.The present invention can be applied to have the imaging device of this structure equally, and also can obtain identical operations and effect in this case.
It is to be noted, though above-mentioned embodiment all at the example that is located at the cleaning device in the handle box, this cleaning device can be provided separately.Therefore, the cleaning device that provides separately can be located in the electrophotographic image forming apparatus.
According to the present invention,, also can make the volume of developer-accommodating part of the removal of the developer that is used for holding therein removal remove the volume of developer-accommodating part greater than tradition even it is constant to remove the developer-accommodating part.
In addition,, compare, can reduce the height of removing the developer-accommodating part with removal developer containing part branch with same containers volume according to the present invention.
In addition, according to the present invention, the reduction of removing the height of developer-accommodating part makes it possible to reduce the height of cleaning device and handle box.As a result, can realize the miniaturization of waste developer holding portion and cleaning device and handle box.
Have again,, make supporting member, can strengthen the intensity of supporting member thus in the bending of a plurality of positions according to the present invention.
And, according to the present invention, can by adopt prolongation with supporting member is installed to the cleaning framework on the relative side of the side of installation surface of supporting member on will be used for holding therein the developer of removal the removal developer-accommodating partly be configured in the supporting member inboard.
Though describe the present invention with reference to disclosed here structure, the present invention is not limited to given details, and the application is intended to cover these changes or variation in the scope that may fall into improvement purpose or following claim.
The right of priority of the Japanese patent application No.2004-134643 that the application requires to submit on April 28th, 2004, the Japanese patent application No.2004-274205 that submits on September 21st, 2004 and the Japanese patent application No.2004-129672 that submits on April 26th, 2004, these documents are combined as reference here.
Claims (10)
1. a cleaning element (60), it can be used in the handle box (7) on the main body that can be removably mounted on electrophotographic image forming apparatus (100), and the developer that is used for will remaining on photosensitive drums on the electro-photographic light-sensitive drum is removed, and this cleaning element comprises:
Be suitable for the elastic scraper (62) removed with the developer that on photosensitive drums, will remain on the photosensitive drums with the photosensitive drums Elastic Contact; And
Be used for the supporting member (61) of support elastic scraper plate, this supporting member comprises:
Elastic scraper is installed on it and is used for supporting the support section (61h) of this elastic scraper, this support section is installed on the handle box;
First sweep (61d), it is bent to edge and the vertical vertical direction and the relative opposite side of installation surface that support section is installed on the handle box of support section from support section;
Coupling part (61i), it extends to a relative side along vertical direction from first sweep;
Second sweep (61e), it is bent to from the coupling part along vertical direction and along the relative side of a side that laterally is provided with elastic scraper of support section; And
Prolongation (61j), it extends to along a vertical direction and transversely relative with a side that is provided with an elastic scraper side from second sweep,
Wherein, when being installed in cleaning element on the handle box, elastic scraper and supporting member are configured to hold the part of the removal developer-accommodating part of the developer of being removed from photosensitive drums by elastic scraper, and filtrator (85) vertically is arranged between prolongation and the handle box along described prolongation and handle box, described filtrator permission air-flow (A) partly passes through to from the removal developer-accommodating and reaches the outside, and stop the removal developer to pass through, the air communication in the described removal developer-accommodating part is crossed the outside that filtrator leads to described removal developer-accommodating part.
2. cleaning element as claimed in claim 1 also comprises the friction member (70) that is installed on the prolongation, and this friction member is suitable for when being installed to cleaning element in the handle box friction and is used for circumferential surface to the charging roller of photosensitive drum charging.
3. a cleaning device that can be used in the electrophotographic image forming apparatus is used for removing the developer that remains on the electro-photographic light-sensitive drum from photosensitive drums (1), and this cleaning device comprises:
Framework (51,52,53);
Be suitable for the elastic scraper (62) removed with the developer that on photosensitive drums, will remain on the photosensitive drums with the photosensitive drums Elastic Contact;
Be used for the supporting member (61) of support elastic scraper plate, this supporting member comprises:
Support section (61h) is installed with elastic scraper and is used for supporting this elastic scraper on it, this support section is installed on the framework;
First sweep (61d), it is bent to edge and the vertical vertical direction and the relative opposite side of installation surface that support section is installed on the framework of support section from support section;
Coupling part (61i), it extends to opposite side along vertical direction from first sweep;
Second sweep (61e), it is bent to from the coupling part along vertical direction and along the relative side of a side that laterally is provided with elastic scraper of support section; And
Prolongation (61j), it extends to along a vertical direction and transversely relative with a side that is provided with an elastic scraper side from second sweep;
Remove developer-accommodating part (55), it holds the developer of being removed from photosensitive drums by elastic scraper, and described removal developer containing part portions ground is made of elastic scraper and supporting member; And
Filtrator (85), it vertically is arranged between prolongation and the handle box along described prolongation and handle box, described filtrator permission air-flow (A) partly passes through to from the removal developer-accommodating and reaches the outside, and stop the removal developer to pass through, the air communication in the described removal developer-accommodating part is crossed the outside that filtrator leads to described removal developer-accommodating part.
4. cleaning device as claimed in claim 3 also comprises the friction member (70) that is installed on the prolongation, and this friction member is suitable for rubbing and is used for the circumferential surface of the charging roller (2) to photosensitive drum charging.
5. as claim 3 or 4 described cleaning devices, it is characterized in that cleaning device is installed on the main body of electrophotographic image forming apparatus (100), thereby support section is provided with essentially horizontally, wherein coupling part and prolongation extend downwards; And prolongation is arranged on and vertically is lower than the position of elastic scraper in the clean operation position of this place's contact electro-photographic light-sensitive drum.
6. the handle box (7) on the main body that can be removably mounted on electrophotographic image forming apparatus (100), this handle box comprises:
(i) electro-photographic light-sensitive drum (1); And
(ii) be used for removing the cleaning device that remains in the developer on the photosensitive drums from photosensitive drums, this cleaning device comprises:
Framework (51,52,53);
Be suitable for the elastic scraper (60) removed with the developer that on photosensitive drums, will remain on the photosensitive drums with the photosensitive drums Elastic Contact;
Be used for the supporting member (61) of support elastic scraper plate, this supporting member comprises:
Elastic scraper is installed on it and is used for supporting the support section (61h) of this elastic scraper, this support section is installed on the framework;
First sweep (61d), it from support section be bent to along with vertical vertical direction of support section and the relative opposite side of installation surface that support section is installed on the framework;
Coupling part (61i), it extends to opposite side along vertical direction from first sweep;
Second sweep (61e), it is bent to from the coupling part along vertical direction and along the relative side of a side that laterally is provided with elastic scraper of support section; And
Prolongation (61j), it extends to along a vertical direction and transversely relative with a side that is provided with an elastic scraper side from second sweep;
Remove developer-accommodating part (55), it holds the developer of being removed from photosensitive drums by elastic scraper, and this removal developer containing part portions ground is made of elastic scraper and supporting member; And
Filtrator (85), it vertically is arranged between prolongation and the handle box along described prolongation and handle box, described filtrator permission air-flow (A) partly passes through to from the removal developer-accommodating and reaches the outside, and stop the removal developer to pass through, the air communication in the described removal developer-accommodating part is crossed the outside that filtrator leads to described removal developer-accommodating part.
7. handle box as claimed in claim 6 also comprises the friction member (70) that is installed on the prolongation, and this friction member is suitable for rubbing and is used for circumferential surface to the charging roller of photosensitive drum charging.
8. as claim 6 or 7 described handle boxes, it is characterized in that handle box is installed on the main body of electrophotographic image forming apparatus (100), thereby support section is provided with essentially horizontally, wherein coupling part and prolongation extend downwards; And prolongation is arranged on vertically than elastic scraper in the low position in this place and the contacted clean operation of electro-photographic light-sensitive drum position.
9. electrophotographic image forming apparatus that is used on recording medium forming image, it comprises:
(i) electro-photographic light-sensitive drum (1);
(ii) be used for removing the cleaning device that remains in the developer on the electro-photographic light-sensitive drum from photosensitive drums, this cleaning device comprises:
Framework (51,52,53);
Be suitable for the elastic scraper (62) removed with the developer that on photosensitive drums, will remain on the photosensitive drums with the photosensitive drums Elastic Contact; And
Be used for the supporting member (61) of support elastic scraper plate, this supporting member comprises:
Elastic scraper is installed on it and is used for supporting the support section (61h) of this elastic scraper, this support section is installed on the framework;
First sweep (61d), it from support section be bent to along with vertical vertical direction of support section and the relative opposite side of installation surface that support section is installed on the framework;
Coupling part (61i), it extends to vertically opposite side from first sweep;
Second sweep (61e), it is bent to from the coupling part along vertical direction and along the horizontal side relative with a side that is provided with elastic scraper of support section; And
Prolongation (61j), it extends to along a vertical direction and transversely relative with a side that is provided with an elastic scraper side from second sweep;
Remove developer-accommodating part (55), it holds the developer of being removed from photosensitive drums by elastic scraper, and this removal developer containing part portions ground is made of elastic scraper and supporting member; And
Filtrator (85), it vertically is arranged between prolongation and the handle box along described prolongation and handle box, described filtrator permission air-flow (A) partly passes through to from the removal developer-accommodating and reaches the outside, and stop the removal developer to pass through, the air communication in the described removal developer-accommodating part is crossed the outside that filtrator leads to described removal developer-accommodating part; And
The transfer unit (16) that (iii) is used for the transmission log medium.
10. electrophotographic image forming apparatus that is used on recording medium forming image, it comprises
(i) be removably mounted on handle box on the mounting portion of electrophotographic image forming apparatus, this handle box comprises:
Electro-photographic light-sensitive drum (1);
Be used to remove the cleaning device that remains in the developer on the electro-photographic light-sensitive drum, this cleaning device comprises:
Framework (51,52,53);
Elastic scraper (62), it is suitable for removing with the developer that will remain on photosensitive drums on the photosensitive drums with the photosensitive drums Elastic Contact;
Be used for the supporting member (61) of support elastic scraper plate, this supporting member comprises:
Elastic scraper is installed on it and is used for supporting the support section (61h) of this elastic scraper, this support section is installed on the framework;
First sweep (61d), it is bent to edge and the vertical vertical direction and the relative opposite side of installation surface that support section is installed on the framework of support section from support section;
Coupling part (61i), it extends to opposite side along vertical direction from first sweep;
Second sweep (61e), it is bent to from the coupling part along vertical direction and along the horizontal side relative with a side that is provided with elastic scraper of support section; And
Prolongation (61j), it extends to along a vertical direction and transversely relative with a side that is provided with an elastic scraper side from second sweep;
Be used to hold the removal developer-accommodating part (55) of the developer of removing from photosensitive drums by elastic scraper, constitute to this removals developer containing part portions by elastic scraper and supporting member; And
Filtrator (85), it vertically is arranged between prolongation and the handle box along described prolongation and handle box, described filtrator permission air-flow (A) partly passes through to from the removal developer-accommodating and reaches the outside, and stop the removal developer to pass through, the air communication in the described removal developer-accommodating part is crossed the outside that filtrator leads to described removal developer-accommodating part; And
The transfer unit (16) that (ii) is used for conveying recording medium.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004129672 | 2004-04-26 | ||
| JP129672/2004 | 2004-04-26 | ||
| JP134643/2004 | 2004-04-28 | ||
| JP274205/2004 | 2004-09-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1690885A CN1690885A (en) | 2005-11-02 |
| CN100375936C true CN100375936C (en) | 2008-03-19 |
Family
ID=35346376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100866918A Expired - Fee Related CN100375936C (en) | 2004-04-26 | 2004-12-10 | Cleaning device, process cartridge, cleaning member and electrophotographic image forming apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100375936C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115352179B (en) * | 2022-08-17 | 2024-03-19 | 浙江创丰环保科技有限公司 | Continuous high-efficiency color steel plate transfer printing equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS622447A (en) * | 1985-06-26 | 1987-01-08 | 浜井電球工業株式会社 | Micro type chipless halogen lamp and method and apparatus for manufacturing the same |
| US4702591A (en) * | 1984-11-09 | 1987-10-27 | Canon Kabushiki Kaisha | Cleaning device for an image forming apparatus |
| JPH0695502A (en) * | 1992-09-16 | 1994-04-08 | Ricoh Co Ltd | Electrostatic recording device |
| US5383011A (en) * | 1991-07-19 | 1995-01-17 | Canon Kabushiki Kaisha | Cleaning device, process cartridge incorporating the cleaning device, and image forming apparatus using the cleaning device |
| CN1139228A (en) * | 1994-09-21 | 1997-01-01 | 三田工业株式会社 | Image-forming machine equipped with cleaning means |
| CN1260518A (en) * | 1999-01-14 | 2000-07-19 | 株式会社理光 | Method for detecting sealing component whether removed or not and image-forming device |
| US6169866B1 (en) * | 1996-09-26 | 2001-01-02 | Canon Kabushiki Kaisha | Process cartridge and electrophotographic image forming apparatus |
-
2004
- 2004-12-10 CN CNB2004100866918A patent/CN100375936C/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4702591A (en) * | 1984-11-09 | 1987-10-27 | Canon Kabushiki Kaisha | Cleaning device for an image forming apparatus |
| JPS622447A (en) * | 1985-06-26 | 1987-01-08 | 浜井電球工業株式会社 | Micro type chipless halogen lamp and method and apparatus for manufacturing the same |
| US5383011A (en) * | 1991-07-19 | 1995-01-17 | Canon Kabushiki Kaisha | Cleaning device, process cartridge incorporating the cleaning device, and image forming apparatus using the cleaning device |
| JPH0695502A (en) * | 1992-09-16 | 1994-04-08 | Ricoh Co Ltd | Electrostatic recording device |
| CN1139228A (en) * | 1994-09-21 | 1997-01-01 | 三田工业株式会社 | Image-forming machine equipped with cleaning means |
| US6169866B1 (en) * | 1996-09-26 | 2001-01-02 | Canon Kabushiki Kaisha | Process cartridge and electrophotographic image forming apparatus |
| CN1260518A (en) * | 1999-01-14 | 2000-07-19 | 株式会社理光 | Method for detecting sealing component whether removed or not and image-forming device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1690885A (en) | 2005-11-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7158749B2 (en) | Cleaning device, process cartridge, cleaning member and electrophotographic image forming apparatus | |
| US6980759B2 (en) | Process cartridge and electrophotographic image forming apparatus | |
| CN1222836C (en) | Process-box, electronic photosensitive drum, electronography device and color electronography device | |
| US7085516B2 (en) | Process cartridge and electrophotographic image forming apparatus | |
| RU2382390C2 (en) | Developing device, process cartridge and image-forming device | |
| KR100463623B1 (en) | Process cartridge and electrophotographic image forming apparatus | |
| KR100549746B1 (en) | Process cartridge and electrophotographic image forming apparatus | |
| CN1176414A (en) | Process cartridge and image forming apparatus to with process cartridge can detachably be mounted | |
| CN1129048C (en) | Cleaning apparatus equipped with brush roller, process cartridge, and image forming apparatus | |
| JP2000075753A (en) | Mounting adjustment method of cleaning member, process cartridge and image forming device | |
| US7430387B2 (en) | Developing unit and electrophotographic image forming apparatus with the same | |
| CN1700119A (en) | Image forming device | |
| CN100375936C (en) | Cleaning device, process cartridge, cleaning member and electrophotographic image forming apparatus | |
| JP4388022B2 (en) | Developing device and image forming apparatus | |
| JP2007025347A (en) | Process cartridge | |
| JP2004341118A (en) | Processing cartridge and picture formation system | |
| US7440724B2 (en) | Cleaning member, cleaning unit, process cartridge, and electrophotographic image-forming apparatus | |
| JP4358038B2 (en) | Developing device, process cartridge, and image forming apparatus | |
| JP2000075767A (en) | Process cartridge and electrophotographic image forming device | |
| JP2005091792A (en) | Process cartridge and image forming apparatus | |
| JP2005099231A (en) | Processing cartridge and electrophotographic image forming apparatus | |
| US20230418216A1 (en) | Image forming apparatus | |
| JP2005172906A (en) | Process cartridge and electrophotographic image forming apparatus | |
| JP3919351B2 (en) | Charging roller cleaning device, process cartridge, and electrophotographic image forming apparatus | |
| JP2006030968A (en) | Wet type image forming apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20080319 Termination date: 20181210 |