CN105334711A - Processing cartridge and image forming apparatus - Google Patents
Processing cartridge and image forming apparatus Download PDFInfo
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- CN105334711A CN105334711A CN201410359975.3A CN201410359975A CN105334711A CN 105334711 A CN105334711 A CN 105334711A CN 201410359975 A CN201410359975 A CN 201410359975A CN 105334711 A CN105334711 A CN 105334711A
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Abstract
The invention provides a processing cartridge and an image forming apparatus comprising the processing cartridge. The processing cartridge comprises a shell; a developing agent accommodating chamber and a developing element are arranged in the shell; a driving assembly and a rotary element are arranged at the end part of the processing cartridge; the driving assembly comprises a driving head for receiving external power and a power transmission part for transmitting the received power to the rotary element in the cartridge; the driving assembly also comprises a guide rail formed in the shell, and a driving power adjusting member arranged between the driving head and the guide rail, wherein an inclined surface that is inclined relative to the axial line of the power transmission part is arranged on the guide rail; the driving head can move relative to the power transmission part; and the driving force adjusting member is connected with the driving head to enable the driving head to move in the axial direction of the rotary element when the driving head moves relative to the power transmission part. The technical problems that the complete coaxial effect cannot be reached, and the printing quality of products is influenced because of the existence of manufacturing tolerance due to the universal rotary driving head in the existing processing cartridge are solved.
Description
Technical field
The present invention relates to a kind of electrophotographic art, particularly relate to a kind of processing box for image forming device and image processing system.
Background technology
Electrophotographic image forming is as the one in image processing system, and such as laser printing, LED printer, laser copier, by feat of the advantage printing cost, very by the favor of user.Laser printer of the prior art is provided with dismountable handle box in usually arranging, handle box is provided with rotating element, these rotating elements at least comprise the one in developing element, photo-sensitive cell, charge member, these rotating elements are as the necessary component of handle box, after being mounted to laser printer, directly or indirectly can be driven by the revolving force that the driving mechanism in laser printer applies.
As shown in Figure 1 and Figure 2, for existing a kind of handle box 100 be detachably mounted in image processing system, the projection 101 of a distortion is provided with in one end of handle box 100, and in image processing system, be provided with a drive division 102 with recess, in image processing system, the reeded drive division 102 of band is connected with a cam mechanism 103, have a flexible member 104 between cam mechanism 103 and image processing system inwall, cam mechanism 103 is also connected with the lid 110 of image processing system by connecting rod 105; Like this when the lid 110 of image processing system is opened, lid 110 can pull cam mechanism 103 by drivening rod 105, cam mechanism 103 will inwall extrusion spring, and outrigger shaft inside contracts to (A direction), then drives drive division 102 also to inside contracting by cam mechanism 103; When such handle box 100 is mounted in image processing system, projection 101 would not produce with driving head 102 interferes; After handle box 100 installation, the lid 100 of image processing system will discharge the acting force to connecting rod 105, such cam mechanism 103, drive division 102 will be stretched under the effect of flexible member 104, the projection 101 of such handle box 100 just with the recesses fit in drive division 102, can receive the driving force from image processing system.
But there are some problems in technique scheme: need in image processing system to arrange and arrange connecting rod, cam mechanism, flexible member etc. specially, more complicated, and along with the use of image processing system, lid is easy to loosen, and handle box can be made to be affected in the process receiving driving force.Not enough in order to solve these, prior art provides the driving head of another kind of Universal rotary.
As shown in Figure 3, provide a kind of handle box 0001, this handle box 0001 end is provided with a rotary driving head 0002, and namely the axis of driving head 0002 can tilt mutually relative to by photo-sensitive cell 0003 axis of driving head 0002 driven rotary; The installation process of handle box is: as shown in Fig. 4 (a), before handle box enters image processing system and in installation process, driving head 0002 can be in and photo-sensitive cell 0003 heeling condition under gravity, after installation, as shown in Fig. 4 (b), the state that the axis of driving head 0002 is coaxial with photo-sensitive cell 0003, after the installation of such handle box 0001, driving head 0002 can transmit power.Therefore, the connecting rod that the drive division 0004 in image processing system can be coordinated, cam mechanism are cancelled, the structure of simplified image forming apparatus.
Inventor is realizing finding in process of the present invention, and the driving head of Universal rotary can exist: due to manufacturing tolerance, and the state in Fig. 4 (b) may not reach completely coaxial effect, affects the print quality of product.
Summary of the invention
The invention provides a kind of handle box, can reach to solve existing handle box the technical matters completely coaxially affecting the print quality of product because the driving head of Universal rotary can there is manufacturing tolerance.
Technical scheme provided by the invention is:
A kind of handle box, comprises housing, is provided with developer-accommodating chamber and developing element in housing; The end of described handle box is provided with driven unit and rotating element; Described driven unit comprises: receive the powered attendant-controlled wheelchairs driving head of power and the power transmission that received by described driving head to the power transfering part of rotating element in handle box, it is characterized in that, described driven unit also comprises:
Be arranged on the guide rail on housing, described guide rail be provided with the inclined-plane tilted relative to described power transfering part axis;
Driving force adjustment component between driving head and guide rail;
Described driving head can move relative to described power transfering part; Described driving force adjustment component is connected with described driving head to make described driving head when moving relative to described power transfering part, and described rotating element axial direction also produces movement.
Described driving head comprises by the movement on described guide rail the first state coaxial with described power transfering part and being positioned at and described power transfering part out-of-alignment the second state of can being positioned at, when described driving head is positioned at the second state, relative to the first state, at driving head axial direction, described driving head is towards the indentation of handle box housing direction, on the direction perpendicular to driving head axis, described driving head court is away from rotating element axis runout and the axis of described driving head keeps the axis being parallel with described power transfering part.
Cross shaft joint is also provided with between described driving head and described power transfering part.
Also reset components is provided with between described power transfering part and described rotating element.
Described driving force adjustment component comprises a circle cover be socketed in bottom driving head, and is symmetricly set on the boss of circle cover sidewall.
Described boss tilts relative to described circle cover axis; And the inclined surface of described boss mates with the inclined-plane on described guide rail and abuts.
Described driven unit is also provided with a limiting component, and described limiting component is provided with the plane coordinated with boss, and the plane on described driving force adjustment component can relative to the planar slide of described limiting component.
Described driven unit also comprises a limiting component, described limiting component comprises an inner ring, described inner ring is provided with arc section, be respectively arranged with plane in two ends of arc section, and have inclined-plane to extend internally to be limited in by described boss between the inclined-plane the inclined-plane of described limiting component and guide rail from described two planes respectively.
Described driving head adjustment component and driving head one-body molded.
Described driving head comprises " U " type head.
On the other hand, a kind of image processing system is provided, comprises motor, receive the drive division of motor power, handle box holding portion, and be detachably arranged on the handle box in handle box holding portion, it is characterized in that, described handle box is above-mentioned arbitrary described handle box.
After adopting technique scheme, because driven unit also comprises: be arranged on the guide rail on housing, described guide rail is provided with the inclined-plane tilted relative to described power transfering part axis; Driving force adjustment component between driving head and guide rail; Described driving head can move relative to described power transfering part; Described driving force adjustment component is connected with described driving head to make described driving head when moving relative to described power transfering part, and described rotating element axial direction also produces movement.Driving head neatly under the restriction of guide rail, can move in parallel relative to power transfering part; The installation of handle box can be facilitated, solve existing handle box and can reach the technical matters completely coaxially affecting the print quality of product because the driving head of Universal rotary can there is manufacturing tolerance.And the assembly that drives on handle box can stably from drive division reception power in image processing system.
Accompanying drawing explanation
Fig. 1 is the structural representation of drive division in driving head and image processing system in a kind of handle box in prior art;
Fig. 2 is the structural representation of drive division engagement in driving head and image processing system in a kind of handle box in prior art;
Fig. 3 is the structural representation of another kind of handle box in prior art;
The structural representation that Fig. 4 (a), 4 (b) are drive division in driving head in handle box another kind of in prior art and image processing system;
Fig. 5 is the structural representation that the embodiment of the present invention one relates to a kind of handle box;
Fig. 6 is the partial schematic diagram that the embodiment of the present invention one relates to a kind of handle box;
Fig. 7 is the decomposing schematic representation that the embodiment of the present invention one relates to driven unit, side cover, rotating element in a kind of handle box;
Fig. 8 is the structural representation of driven unit when the first state that the embodiment of the present invention one relates to a kind of handle box;
Fig. 9 is the decomposing schematic representation that the embodiment of the present invention one relates to driven unit, side cover, rotating element in a kind of handle box;
Figure 10 is the structural representation of driven unit when the second state that the embodiment of the present invention two relates to a kind of handle box;
Figure 11 is that the embodiment of the present invention two relates to the structural representation adjusting assembly in a kind of driven unit of handle box;
Figure 12 is the structural representation that the embodiment of the present invention two relates to a kind of side cover of handle box.
Figure 13 is the structural representation that the embodiment of the present invention four relates to a kind of image processing system.
Embodiment
Being more prone to make those skilled in the art, being expressly understood the technical scheme that the present invention relates to, be described below in conjunction with specific embodiment mode.
The technical scheme provided of the present invention comprises a kind of handle box, handle box is provided with a driven unit, driven unit there is a driving head engaged with drive division in image processing system, the driving force of reception can be passed to the rotating element in handle box by driving head, such as gear or developing element or photo-sensitive cell etc.; Driving head is in handle box installation process, and driving head can depart from initial position, and the axis of driving head remains parallel with initial position in moving process, driving head axial direction can move in handle box housing simultaneously; Such handle box is mounted in image processing system, and driving head can engage with the driving head in image processing system neatly.
Above-mentioned handle box can comprise photo-sensitive cell; Also can be do not comprise photo-sensitive cell, not comprise the handle box of photo-sensitive cell also known as developer box.Multiple different embodiment is below provided, by adjustment assembly, makes can realize technique scheme in driving head installation process.
Embodiment one
As shown in Fig. 5 ~ Fig. 7, a kind of handle box 1 that embodiment one provides comprises housing 2, and housing comprises chassis body and is positioned at the side cover 4 of chassis body both sides, is provided with developer-accommodating chamber, developing element 5 in chassis body; The end of described handle box 1 is provided with driven unit 6, gear assembly 7, gear assembly 7 comprises the gear 7a be connected with driven unit, the developing element gear 7c be connected with gear 7a and powder feeding element gear 7b, and its middle gear 7a is preferably as a kind of rotating element receiving driven unit 6; Driven unit 6 comprises: receive the powered attendant-controlled wheelchairs driving head 61 of power; The power transmission received by driving head is to the power transfering part of rotating element in handle box, and driving head 61 can move relative to described power transfering part, preferably power transfering part is a cylinder 66, and cylinder 66 is arranged a through hole (not shown), and on the through hole of cylinder, insert pin, by pin by power transmission to gear (scheme in similar prior art Fig. 4), or extend a projection (not shown) at gear 7a inwall, the mode allowing cylinder 66 abut with the projection of gear 7a inwall, allows cylinder 66 transmit power to gear 7a; Be arranged on the guide rail on side cover 4, guide rail have the inclined-plane 41,42 mutually tilted with power transfering part axis; And the driving force adjustment component 63 between driving head 61 and guide rail, driving force adjustment component 63 is arranged so that driving head 61 is when moving relative to power transfering part, axially and on direction perpendicular to axial direction has displacement at rotating element.
Driving head 61 is relative to the mode of power transfering part movement, and particularly as shown in Fig. 7 ~ Fig. 9, driving head 61 can be positioned at the first state coaxial with cylinder 66 and out-of-alignment the second state.Fig. 8 is driving head first state coaxial with main body 66, and the distance in the upper face of driving head distance between two tips gear 7a is L1.Fig. 9 is driving head 61 and cylinder out-of-alignment second state, driving head 61 adjusts component 63 along in the process of guide rail movement in driving force, relative to the first state, at driving head 61 axial direction, driving head 61 is towards the distance of handle box housing direction indentation L1-L2, and on the direction perpendicular to driving head 61 axis, driving head 61 is towards away from gear 7a, depart from the distance of L3, and the axis of driving head 61 always with the axis being parallel of gear 7a.
As shown in Figure 7, preferably, driven unit 6 comprises driving head 61, driving force adjustment component 63, limiting component 62, cross shaft joint 64,65,66.Driving head 61 comprises two pawls 611,612 coordinated with drive pin 1001b, 1001c on drive division in image processing system 1001, whole driving head 61 roughly becomes flat U-shaped shape, U-shaped like this bottom can abut with the head 1001a of drive division 1001 better, and flat be more conducive to handle box install time, driving head 61 engages with drive division 1001.There is a projection upper end 64 of cross shaft joint, can be inserted in the shrinkage pool 613 on driving head 61, certainly can upper end 64 be arranged to driving head 61 one-body molded, the upper surface of intermediate slider 65 is provided with first groove coordinated with upper end 64, lower surface is provided with second groove perpendicular to the first groove, and the second groove coordinates with cylinder 66; Like this under the effect of cross shaft joint, driving head can in the plane along the movement of 360 degree, gear 7a axis.Driving force adjustment component 63 comprises the round cover 631 be socketed on the column part of upper end 64, and two boss tilted extended from circle cover 631 side, two boss tilted have inclined-plane 632,633 respectively.Reset components is provided with between cylinder 66 and the inwall of gear 7a, reset components can allow driving head 61 and cross axial organ remain on the first state, reset components can be the elements such as spring, extension spring or magnet, a cone spring 67 is preferably in the present embodiment, one end of cone spring 67 abuts with the inner side of cylinder 66, and the other end abuts with the step surface 7a1 in gear 7.Limiting component 62 comprises an inner ring, and described inner ring is provided with arc section 621, is respectively arranged with plane 622,625 in two ends of arc section 621, and inclined-plane 624,623 extends internally from described two planes 622,625 respectively.After such driven unit has assembled, inclined-plane 632 is between inclined-plane 41 and inclined-plane 624, and inclined-plane 633 is between inclined-plane 42 and inclined-plane 623, and circle cover 631 is socketed in the outside of upper end 64, before handle box 1 is mounted to image processing system, driving head 61 is arranged in the first state of Fig. 8, in handle box installation process, driving head can abut with drive division 1001, such driving head 61 just accepts the effect of an external force, move along the direction contrary with installation direction, in the process of driving head 61 movement, driving force adjustment component 63 also receives a same external force, and driving force adjustment component 63 under external force, can move along aforementioned guide rail, inclined-plane 632 particularly, 633 respectively along inclined-plane 41, 42 move, so just driving force is adjusted that component 63 receives, the power contrary with installation direction, resolve into along rotating element axially, the power of direction perpendicular to axial direction both direction, driving head 61 is under the effect of driving force adjustment component 63, aforementioned the second state will be in, and limiting component 62 can allow driving force adjustment component 63 move along predetermined guide rail better, after handle box installation, drive division 1001 and the roughly coaxial in the axial direction state of driving head 61, such driving head under the effect of foregoing reset parts, will be in the first state, and can receive the rotary power from drive division 1001.When handle box 1 is extracted from image processing system, driving head equally can from transmit power time the first state, become the second state, driving head 61 on rotating element axial direction to the indentation of handle box frame side, just there will not be the interference with driving head, such handle box can successfully be extracted; After handle box is extracted completely, driving head under the effect of foregoing reset parts, can be in the first state again.
As shown in Figure 7, preferably, handle box 1 also comprises a buckle 68 that will prevent cylinder 66 from deviating from, its middle column body 66 can be inserted in the through hole 7a2 of gear 7a, and the side dimension of cylinder 66 is less than the size of through hole 7a2, the inside dimensions of buckle 68 is less than the side dimension of cylinder 66, and is greater than the size of through hole 7a2; Can first cylinder 66 be inserted in through hole 7a2 like this, then buckle 68 is connected on cylinder 66, therefore cylinder 66 can be made can not to deviate from from gear 7a by buckle 68.
It should be noted that, the effect of cross shaft joint is to better coordinate driving head 61 when the second state, allowing the axis of driving head 61 be parallel to the axis of rotating element all the time; And aforementioned upper end 64 can be one-body molded with driving head 61.
Embodiment two
A kind of handle box that embodiment two provides comprises housing equally, and housing also comprises chassis body and is positioned at the side cover of chassis body both sides, developer-accommodating chamber, developing element; Driven unit, gear assembly, gear assembly comprises the gear be connected with driven unit, the developing element gear be connected with gear and powder feeding element gear, and its middle gear is preferably as a kind of rotating element receiving driven unit; And driving force adjustment component is arranged so that driving head 161 in driven unit is when moving relative to power transfering part, axially and on direction perpendicular to axial direction has displacement at rotating element.Handle box also comprises a cone spring 167, and one end of cone spring 167 abuts with the inner side of cylinder 166, and the other end abuts with the step surface 7a1 in gear 17; And a buckle 168 preventing cylinder 166 from deviating from from gear 17.But difference is:
As shown in Figure 10 ~ 12, driving force adjustment component 163 moves relative to the axes normal of power gear 17, and driven unit abuts with guide rail ramp 14a, 14b at least partially.Particularly, as shown in Figure 10, driving force adjustment component 163 comprises the circle cover 163a that is socketed in (driven unit assembles axle, the bottom of driving head and upper end 164) bottom driving head, and is symmetricly set on boss 163b, 163c of circle cover sidewall.As shown in figure 11, driven unit is also provided with a limiting component 162, limiting component is provided with the plane 162a, the 162b that coordinate with boss, and the plane (i.e. the upper surface of boss) of driving force adjustment component convex platform 163b, 163c can be slided relative to the plane 162a of described limiting component, 162b.As shown in figure 12, guide rail comprises inclined-plane 14a, 14b of being arranged on side cover 14.
After the driven unit of handle box assembles, the cylinder 166 similar with embodiment is arranged with gear 17 coaxially, under reset components effect, makes driving head 161 and gear 7 coaxially arranged; When in handle box installation or withdrawal process, driving head 161 receives the external force from drive division in image processing system, the component 163 of driving force adjustment simultaneously moves along the direction that limiting component 162 is predetermined, is moved together with driving head 161 by the cross coupler upper end 164 bottom driving force adjustment component 163 driving head; And upper end 164 or intermediate slider 165 abut with inclined-plane 14a, the 14b on side cover 14, such driving head 161 is similar with embodiment one is in the second state.
Embodiment three
As shown in figure 13, preferably, embodiment three provides a kind of image processing system 1000 to comprise: comprise the framework (handle box holding portion) holding handle box, framework comprises intermediate shaft, and whole framework can rotate around the axis of intermediate shaft, and two disks are fixedly installed on the both sides of intermediate shaft, disk is provided with gear, gear coordinates with the gear of bar 102 both sides, by the gear of bar 102 both sides, whole framework can be driven to rotate; And bar 102 is made by metal material, the hardness of framework can be increased; And disk is provided with the dividing plate that framework is divided into four little frameworks, so just four handle boxes 1a, 1b, 1c, 1d can be arranged in framework simultaneously, namely four kinds of colors can be installed simultaneously, such as black (BK), blue (C), red (M), yellow (Y) four kinds of handle boxes (developer box); This image processing system 1000 just can carry out colour print like this.
Image processing system 1000 also comprises and is arranged on the bottom-right photo-sensitive cell of framework (also known as photosensitive drums) 1003, be positioned at the transfer belt 1004 below photo-sensitive cell 1003 and framework, transfer belt 1040 will need the image of development under the cooperation of fixing device 1005, be transferred to print media, such as paper; And motor, receive the drive division of motor power; With the handle box be arranged in framework, handle box can for the handle box provided in embodiment one or embodiment two; After handle box is mounted in image processing system 1000, drive division just can apply rotary driving force as the driving head of handle box.
It should be noted that, image processing system can also be forming monochrome image; Handle box can be arranged to the integral box with photo-sensitive cell.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of institute of the present invention resist technology scheme.
Claims (11)
1. a handle box, comprises housing, is provided with developer-accommodating chamber and developing element in housing; The end of described handle box is provided with driven unit and rotating element; Described driven unit comprises: receive the powered attendant-controlled wheelchairs driving head of power and the power transmission that received by described driving head to the power transfering part of rotating element in handle box, it is characterized in that, described driven unit also comprises:
Be arranged on the guide rail on housing, described guide rail be provided with the inclined-plane tilted relative to described power transfering part axis;
Driving force adjustment component between driving head and guide rail;
Described driving head can move relative to described power transfering part; Described driving force adjustment component is connected with described driving head to make described driving head when moving relative to described power transfering part, and described rotating element axial direction also produces movement.
2. handle box as claimed in claim 1, it is characterized in that, described driving head comprises by the movement on described guide rail the first state coaxial with described power transfering part and being positioned at and described power transfering part out-of-alignment the second state of can being positioned at, when described driving head is positioned at the second state, relative to the first state, at driving head axial direction, described driving head is towards the indentation of handle box housing direction, on the direction perpendicular to driving head axis, described driving head court is away from rotating element axis runout and the axis of described driving head keeps the axis being parallel with described power transfering part.
3. handle box as claimed in claim 2, is characterized in that, be also provided with cross shaft joint between described driving head and described power transfering part.
4. handle box as claimed in claim 3, is characterized in that, be also provided with reset components between described power transfering part and described rotating element.
5. the arbitrary handle box as described in claim 1-4, is characterized in that, described driving force adjustment component comprises a circle cover be socketed in bottom driving head, and is symmetricly set on the boss of circle cover sidewall.
6. handle box as claimed in claim 5, is characterized in that, described boss tilts relative to described circle cover axis; And the inclined surface of described boss mates with the inclined-plane on described guide rail and abuts.
7. handle box as claimed in claim 5, it is characterized in that, described driven unit is also provided with a limiting component, and described limiting component is provided with the plane coordinated with boss, and the plane on described driving force adjustment component can relative to the planar slide of described limiting component.
8. handle box as claimed in claim 6, it is characterized in that, described driven unit also comprises a limiting component, described limiting component comprises an inner ring, described inner ring is provided with arc section, be respectively arranged with plane in two ends of arc section, and have inclined-plane to extend internally to be limited in by described boss between the inclined-plane the inclined-plane of described limiting component and guide rail from described two planes respectively.
9. handle box as claimed in claim 5, is characterized in that, described driving head adjustment component and driving head one-body molded.
10. handle box as claimed in claim 5, it is characterized in that, described driving head comprises " U " type head.
11. 1 kinds of image processing systems comprise motor, and receive the drive division of motor power, handle box holding portion, and be detachably arranged on the handle box in handle box holding portion, it is characterized in that, described handle box is the arbitrary handle box described in claim 1 ~ 10.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410359975.3A CN105334711B (en) | 2014-07-25 | 2014-07-25 | A kind of handle box and image forming apparatus |
| PCT/CN2015/084489 WO2016011925A1 (en) | 2014-07-25 | 2015-07-20 | Rotational force drive component, processing box and image formation device |
| EP15825452.4A EP3153933A4 (en) | 2014-07-25 | 2015-07-20 | Rotational force drive component, processing box and image formation device |
| JP2017504101A JP2017521727A (en) | 2014-07-25 | 2015-07-20 | Rotational force drive unit, process cartridge, and image forming apparatus |
| US15/015,241 US9740163B2 (en) | 2013-09-29 | 2016-02-04 | Rotational force driving assembly process cartridge |
| US15/616,072 US9851691B2 (en) | 2013-09-29 | 2017-06-07 | Detachably mountable process cartridge with a rotational force driving assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410359975.3A CN105334711B (en) | 2014-07-25 | 2014-07-25 | A kind of handle box and image forming apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN105334711A true CN105334711A (en) | 2016-02-17 |
| CN105334711B CN105334711B (en) | 2019-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410359975.3A Active CN105334711B (en) | 2013-09-29 | 2014-07-25 | A kind of handle box and image forming apparatus |
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| CN (1) | CN105334711B (en) |
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| CN106919032A (en) * | 2017-05-10 | 2017-07-04 | 珠海维翼打印科技有限公司 | Handle box |
| CN106919032B (en) * | 2017-05-10 | 2023-06-13 | 珠海纳思达信息技术有限公司 | Process cartridge |
| CN107505823A (en) * | 2017-10-12 | 2017-12-22 | 珠海市拓佳科技有限公司 | A kind of link gear and the Delevoping cartridge with the link gear |
| CN107505823B (en) * | 2017-10-12 | 2024-01-09 | 珠海市拓佳科技有限公司 | Linkage mechanism and developing box with same |
| CN107748488A (en) * | 2017-11-08 | 2018-03-02 | 珠海天威飞马打印耗材有限公司 | Developing device, handle box and its method of work |
| CN107748488B (en) * | 2017-11-08 | 2024-05-14 | 珠海天威飞马打印耗材有限公司 | Developing assembly, process cartridge and working method thereof |
| CN110275417A (en) * | 2018-03-14 | 2019-09-24 | 珠海天威飞马打印耗材有限公司 | Handle box and image forming |
| CN113093492A (en) * | 2021-04-02 | 2021-07-09 | 珠海艾派克微电子有限公司 | Carbon powder box |
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