CN103698993A - Processing box - Google Patents
Processing box Download PDFInfo
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- CN103698993A CN103698993A CN201310703061.XA CN201310703061A CN103698993A CN 103698993 A CN103698993 A CN 103698993A CN 201310703061 A CN201310703061 A CN 201310703061A CN 103698993 A CN103698993 A CN 103698993A
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- driving shaft
- handle box
- photosensitive drums
- developing frame
- dwang
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Abstract
The invention provides a processing box. The processing box comprises a photosensitive drum, a drum frame, a development frame, a development roller and a driving force receiving part, wherein the driving force receiving part is arranged at one end of the development frame, and comprises a driving shaft and a gear which are coaxial to each other and are connected with each other; the development frame is fixedly connected with the drum frame; a pressed assembly is arranged on the development frame; when compression is applied, at least part of the pressed assembly is displaced, and the driving shaft is disconnected from the gear; when the pressure is removed, the driving shaft is reconnected with the gear. The processing box has the advantages that the structure is simple; contact pressure between the development roller and the photosensitive drum is easily controlled; the photosensitive drum can be cleaned conveniently.
Description
Technical field
The present invention relates to electrophotographic image forming field, especially a kind of handle box for electrophotographic image forming.
Background technology
Electrophotographic image forming utilizes electrofax principle, through overcharging, the process such as exposure, development, transfer printing, photographic fixing, on the media such as paper, forms visual picture.In electrophotographic image forming, conventionally use the handle box of removably installing to carry out image processing.Handle box be generally integrated with the photosensitive drums that can form electrostatic latent image on it, to photosensitive drums supply toner with the developer roll of the electrostatic latent image in development photosensitive drums, hold carbon powder for development powder storehouse, hold from photosensitive drums except under the waste powder hopper that is not transferred to the useless powder on medium etc.After working long hours, in photosensitive drums, may be stained be difficult for except under useless powder and affect image quality, therefore need to clean photosensitive drums.When cleaning photosensitive drums, should cut off developer roll the carbon powder supplying of photosensitive drums is answered, otherwise in photosensitive drums rotation process, developer roll does not constantly have cleanup action to photosensitive drums supply toner.
Existing a kind of handle box as shown in Figure 1, comprises developing frame 101, drum frame 103, is arranged on the developer roll 102 of developing frame 101 opening parts and is arranged on the photosensitive drums 104 of drum frame 103 opening parts, and wherein developing frame 101 can rotate relative to drum frame 103.When handle box is normally worked, developer roll 102 contacts with photosensitive drums 104, so that the carbon dust on developer roll 102 is passed to photosensitive drums 104, and the electrostatic latent image in the photosensitive drums of developing 104.Wherein the first stressed member 105 contacts with the first force application part 201 in electrophotographic image forming, the second force application part 202 butts in the second stressed member 106 and electrophotographic image forming.When photosensitive drums 104 need to be cleaned, the first force application part 201 applies the power of K direction to the first stressed member 105, and first force application part 201 to B direction, move, thereby the first stressed member 105 is also moved to B direction, and the distance between the first stressed member 105 and the second stressed member 106 reduces, spring is compressed, due to what fix along B direction between the first stressed member 105 and developing frame 101, the upper surface of developing frame is driven and moves to drum frame by the first stressed member 105, and then developing frame is rotated relative to drum frame, developer roll moves towards the direction away from photosensitive drums, thereby separated with photosensitive drums, developer roll is no longer to photosensitive drums supply toner, then can drive photosensitive drums to clean.After cleaning completes, under spring action, the upper surface of developing frame moves along J direction, and developer roll contacts with photosensitive drums, to develop.
As seen from the above, for photosensitive drums can be cleaned, this handle box is made developing frame and drum frame relatively turnable.For realizing the contact when developing of photosensitive drums and developer roll and separated when cleaning, handle box structure is very complicated, and cost is higher.Contact between developer roll and photosensitive drums is also wayward.
Summary of the invention
It is a kind of simple in structure and can realize the handle box that photosensitive drums is cleaned that fundamental purpose of the present invention provides.
For achieving the above object, handle box provided by the invention, comprising: photosensitive drums, on it, can form electrostatic latent image, and one end of photosensitive drums is provided with the drive division that drives photosensitive drums rotation; Rotatably support the drum frame of photosensitive drums; Developer roll, for the electrostatic latent image developing in photosensitive drums; Rotatably support the developing frame of developer roll, and in developing frame, hold the carbon dust that is useful on development; Driving force acceptance division, for receiving driving force and driving developer roll rotation, is arranged on one end of developing frame, comprises coaxial setting and the driving shaft being bonded with each other and gear part; Developing frame is fixedly connected with drum frame, is provided with pressurized assembly on developing frame, when receiving pressure, at least a portion of pressurized assembly is subjected to displacement, and driving shaft and gear part are disengaged, when pressure is removed, at least a portion return-to-home position, driving shaft recovers to engage with gear part.
From above scheme, developing frame is fixedly connected with drum frame, and the structure of the handle box greatly contact between simplification and developer roll and photosensitive drums is easy to control.At least a portion by pressurized assembly is subjected to displacement driving shaft and gear part is disengaged, driving force cannot be passed to gear part, and then can further not be passed to developer roll by gear part, while being driving shaft and gear part disengaging, cannot drive developer roll rotation, the drive division of photosensitive drums receives driving force can clean photosensitive drums rotation, can not continue to photosensitive drums supply toner, even if developer roll contacts the cleaning that also can not affect photosensitive drums with photosensitive drums because developer roll does not rotate.
More particularly, on driving shaft, cover has radially outstanding shank, when at least a portion is subjected to displacement, forces shank displacement and then driving shaft is moved towards the direction of developing frame.
As seen from the above, by acting on radially outstanding shank, can conveniently realize moving axially of driving shaft, to developing frame, move a certain distance and can make driving shaft and gear part be disengaged.
More specifically, at least a portion of stressed assembly, be provided with dip plane, pressure is perpendicular to axial direction, and this at least a portion is when pressure bottom offset, and shank slides along dip plane and moves vertically.As seen from the above, the power of the setting by dip plane on can easily pressure perpendicular to axial direction being converted into axially, and order about driving shaft and move.
More particularly, be provided with teat on driving shaft, be provided with the groove coordinating with teat in gear part, when driving shaft engages with gear part, teat is contained in groove.By realizing simply and easily teat and coordinating of groove engaging of driving shaft and gear part.
More specifically, on driving shaft, be provided with the axially movable boss of restriction shank.Utilize moving axially of boss restriction shank, simple in structure, alternatively, also other limit methods can be set.
Preferably, on developing frame, be provided with the first bias piece, to apply the biasing force that makes the position of driving shaft in engaging with gear part to driving shaft.Utilize the first bias piece to realize the reset of driving shaft.
Preferably, on developing frame, be provided with the second bias piece that forces this at least a portion of pressurized assembly to move to original position.Utilize the second bias piece to realize the reset of pressurized assembly.
Preferably, pressurized assembly comprises dwang and compress bar, and when handle box is mounted to electrophotographic image forming, the one end that compresses bar is compressed and moves, the other end and butt dwang also rotate dwang, thereby dwang turns to the position of perk from the concordant position of the end face with handle box.
More particularly, on pressure containing part, be provided with the 3rd bias piece that forces dwang to be positioned at the position concordant with the end face of handle box.
More specifically, described in, compress and on bar, be provided with elastic.
Accompanying drawing explanation
Fig. 1 is the cross-sectional schematic of existing handle box;
Fig. 2 is the stereographic map of the embodiment of the present invention;
Fig. 3 is the structural drawing of the drive end of the embodiment of the present invention;
Fig. 4 is the partial view that shows developing frame drive end gear meshing relation in the embodiment of the present invention;
Fig. 5 is the stereographic map of pressurized assembly in the embodiment of the present invention;
Fig. 6 is the STRUCTURE DECOMPOSITION figure of pressurized assembly in the embodiment of the present invention;
Fig. 7 is the stereographic map of driving force acceptance division in the embodiment of the present invention;
Fig. 8 is the STRUCTURE DECOMPOSITION figure of driving force acceptance division in the embodiment of the present invention;
Fig. 9 is the stereographic map of pressurized assembly when primary importance in the embodiment of the present invention;
Figure 10 is the stereographic map of pressurized assembly when the second place in the embodiment of the present invention;
Figure 11 is the stereographic map of pressurized assembly when the 3rd position in the embodiment of the present invention;
Figure 12 shows in the embodiment of the present invention that pressurized assembly is when the 3rd position, the stereographic map of mutual alignment relation between the each several part of driving force acceptance division.
Embodiment
Below in conjunction with embodiment and accompanying drawing thereof, the present invention is elaborated.
As shown in Figure 2, handle box comprises parallel juxtaposed developing frame 1 and drum frame 2, and axially two ends are respectively and electrically contact end and drive end, at drive end two frameworks, by end cap 5, connect, and connects electrically contacting end by end cap 6.The contiguous drive end of pressurized assembly 3 is arranged on developing frame 1, and the axial middle part of drum frame 2 is provided with handle 21.End cap 6 is fixed with two frameworks by screw 61.
As shown in Figure 3, the drive end of handle box comprises end cap 5, is also provided with the screw fixing with framework on end cap 5.Drive division 22 and driving force acceptance division 4, from the opening part of end cap 5, expose, wherein drive division 22 for receiving the driving force that drives photosensitive drums rotation in electrophotographic image forming, and driving force acceptance division 4 is for receive driving force in electrophotographic image forming, to drive the developer roll of developing frame 1 interior installation and powder feeding roller etc.
As shown in Figure 4, driving force acceptance division 4 comprises driving shaft 41 and the gear part 42 of coaxial setting, gear part 42 comprises the gear of 421 and 422 two stair-stepping different-diameters, and its middle gear 421 meshes with the gear 11 of developer roll end, and gear 422 meshes with the gear 12 of powder feeding roller end.When handle box is normally worked, driving shaft 41 receives driving force and rotates in electrophotographic image forming, thereby driven gear 421,422 rotations, and gear 421,422 drives respectively meshed gears 11,12 rotations separately, thus drive developer roll and powder feeding roller rotation.Certainly, the gear 11 of developer roll end also can be directly mesh but pass through transition gear with gear 421 and be connected, with driving shaft 41 coaxial also can only have a gear, powder feeding roller, puddle support etc. drive by the gear of transition gear and/or developer roll end.
As shown in Figure 5 and Figure 6, pressurized assembly 3 comprises main body 31, dwang 32, compresses bar 33 and as the spring 34,35,36 of bias piece.Its medi-spring 35, as an embodiment of the second bias piece, is provided with the protruded stigma 313 of fixing spring 35 one end in main body 31, the other end of spring 35 and developing frame 1 butt.Spring 34 is as an embodiment of the 3rd bias piece, and the protruded stigma 312 of main body 31 and the protruded stigma 323 of dwang 32 lay respectively at the two ends of spring 35, and spring 36 is arranged on and compresses on bar 33, and protruded stigma 333 is enclosed in spring 36.In main body 31, be provided with the space that holds dwang 32 and compress bar 33, wherein on dwang 32, be provided with arc sections 321, be enclosed within the rotating shaft 315 of main body 31, and can rotate around it, in main body 31, be provided with the restriction face that moves along other directions of restriction dwang 32, thereby dwang 32 315 rotates and there is no a displacement of other directions around the shaft only relative to main body 31.Compress bar 33 and in main body 31, be respectively arranged with guide and make to compress the rectilinear direction that bar 33 limits along guide only relative to main body 31 and move.Stretch out from main body 31 one end that compresses bar 33, for can with the extension 331 of the second force application part butt in electrophotographic image forming, the other end is the abutting part 332 with inclined-plane 324 butts of dwang 32.In main body 31, be also provided with inclined-plane 311 for contacting with the specific part of driving force acceptance division 4, and the confined planes 314 contacting with developing frame 1.Compression zone 322 is set on dwang 32.Compress the middle elastic that is provided with arc of bar 33.
As shown in Figure 7 and Figure 8, driving force acceptance division 4 comprise have major diameter portion and minor diameter driving shaft 41, be enclosed within driving shaft 41 major diameter portion radial outside gear part 42, be enclosed within shank 43 and the spring 44 of radial outside of the minor diameter of driving shaft 41, its medi-spring 44 is an embodiment of the first bias piece, its one end is enclosed within the end of the minor diameter of driving shaft 41, the other end and developing frame 1 butt, the end of the major diameter portion of driving shaft 41 is for receiving driving force from electrophotographic image forming.Gear part 42 comprises the stair- stepping gear 421 and 422 of two different-diameters, on the interior week of its middle gear 422, is provided with groove 423, engages with teat 411 radially outstanding on driving shaft 41.Shank 43 center porose 433 is enclosed within the radial outside of the minor diameter of driving shaft 41, along driving shaft 41 axially, one end of shank 43 and major diameter portion butt, boss 412 butts that arrange in the other end and minor diameter, thus shank 43 relative drive shafts 41 can not move vertically.On the outstanding handle 431 of shank 43, be provided with inclined-plane 432.Outstanding handle 431 stretches in the main body 31 of pressurized assembly 3, and inclined-plane 432 contacts with the inclined-plane 311 of main body 31, and is subject to the restriction of locating part (not shown) and can only moves vertically.
Shown in Fig. 9 for handle box is placed in electrophotographic image forming when outer, the pressurized assembly of handle box and the state of driving force acceptance division.As shown in Figure 9, under the effect of spring 44, gear part 42 keeps engaging with driving shaft 41, and under the effect of spring 35, the main body 31 of stressed assembly 3 remains on initial position.Dwang 32 keeps the position concordant with handle box end face under the effect of spring 34.
Shown in Figure 10 for handle box, be arranged in electrophotographic image forming work time, the pressurized assembly of handle box and the state of driving force acceptance division.As shown in figure 10, compress the extension 331 of bar 33 and the second force application part butt in electrophotographic image forming, and along main body 31, move under pressure-acting perpendicular to axial direction, compress the abutting part 332 and inclined-plane 324 butts of dwang 32 324 slips along inclined-plane of bar 33, cause dwang 32 to rotate relative to main body 31, spring 34 is compressed and make compression zone 322 perks, and with electrophotographic image forming in the first force application part butt.Now, under the effect of spring 44, driving shaft 41 keeps engaging with gear part 42.At the drive division 22 of photosensitive drums and driving force acceptance division 4, respectively when receiving driving force in electrophotographic image forming, drive division 22 drives photosensitive drums rotation.Driving shaft 41 rotation driven gear portions 42 rotations of driving force acceptance division 4, further drive developer roll gear 11 and 12 rotations of powder feeding roller gear with gear 421,422 engagements, and then developer roll and powder feeding roller are also rotated, constantly, to photosensitive drums supply toner, handle box carries out normal image work for the treatment of.
Figure 11 and Figure 12 show while cleaning photosensitive drums, the pressurized assembly of handle box and the state of driving force acceptance division.As shown in figure 11, the extension 331 of butt bar 33 and the second force application part butt of electrophotographic image forming, the compression zone 322 of the perk of dwang 32 and the first force application part butt of electrophotographic image forming, and be subject to pressure perpendicular to axial direction and move to the first force application part, dwang 32 drives main body 31 and moves, spring 35 is compressed, and the elastic of butt bar 33 deforms and the overall length of butt bar 33 is diminished, and spring 36 is also compressed simultaneously.The movement of main body 31 makes inclined-plane 311 move along pressure direction, and the inclined-plane 432 of shank 43 slides and shank 43 is moved towards the direction of developing frame 1 vertically along the inclined-plane 311 of main body 31, thereby drives driving shaft 41 to move towards developing frame 1.Spring 44 is compressed, and the projection 411 on driving shaft 41 is deviate from the groove 423 of gear 422, and driving shaft 41 is disengaged with gear part 42.Now, even if driving shaft 41 still can rotate from receiving driving force in electrophotographic image forming, also cannot 42 rotations of driven gear portion, and then developer roll gear 11 can not rotate with powder feeding roller gear 12 yet.The drive division 22 of photosensitive drums when receiving driving force and rotating in electrophotographic image forming, can be realized the cleaning of photosensitive drums.
After cleaning completes, the first force application part is recalled the pressure of the compression zone 322 that is applied to tumbler 32, tumbler 32 and main body 31 are under the partial pressure of spring 35 and be back to original position, the elastic elasticity of butt bar 33 is recovered, spring 36 also returns back to raw footage, the total length of butt bar 33 becomes greatly raw footage, and abutting part 332 keeps butt with the inclined-plane 324 of dwang 32.Along with setting back of main body 31 put, under the partial pressure of spring 44, the inclined-plane 432 of shank 43 slides and shank 43 is moved away from the direction of developing frame 1 vertically along the inclined-plane 311 of main body 31, thereby driving shaft 41 moves away from developing frame 1, projection 411 moves in groove 423, driving shaft 41 recovers to engage with gear part 42, and handle box returns to the state while working in electrophotographic image forming.At driving shaft 41, when receiving driving force in electrophotographic image forming, driving shaft 41 driven gears 421,422 and rotating, and then drive developer roll and powder feeding roller and rotate, can be to photosensitive drums supply toner.
At handle box when taking out in electrophotographic image forming, abutting part 332 departs from the second force application part of electrophotographic image forming, under the partial pressure of spring 34, tumbler 32 turns to compression zone 322 position concordant with handle box end face from the position of compression zone 322 perks, the abutting part 332 that inclined-plane 324 promotes butt bar 33 moves, thereby promoting to compress bar 33 moves along the guide of main body 31, pressurized assembly 3 returns to the position of Fig. 9, now handle box can be taken out in electrophotographic image forming.
In above embodiment, as the example of bias piece, be all spring, in other embodiments, bias piece can be other types, as shell fragment etc., as long as can realize, to receiving the parts of biasing force, carries out bias voltage.
Be understandable that; be more than the preferred embodiments of the present invention; the present invention includes but be not limited to this; the any driving shaft that can realize driving force acceptance division and the method that gear part departs from when cleaning photosensitive drums, driving shaft engages with gear part when not cleaning, all can realize object of the present invention and be included in protection scope of the present invention.
Claims (10)
1. handle box, comprising:
Photosensitive drums, can form electrostatic latent image on it, and one end of described photosensitive drums is provided with the drive division that drives described photosensitive drums rotation;
Drum frame, rotatably supports described photosensitive drums;
Developer roll, for the described electrostatic latent image developing in described photosensitive drums;
Developing frame, rotatably supports described developer roll, and holds the carbon dust that is useful on development in described developing frame;
Driving force acceptance division, is arranged on one end of described developing frame, for receiving driving force and driving described developer roll rotation, comprises coaxial setting and the driving shaft being bonded with each other and gear part;
It is characterized in that:
Described developing frame is fixedly connected with described drum frame, on described developing frame, be provided with pressurized assembly, when receiving pressure, at least a portion of described pressurized assembly is subjected to displacement, and described driving shaft and described gear part are disengaged, when described pressure is removed, described at least a portion return-to-home position, described driving shaft recovers to engage with described gear part.
2. handle box according to claim 1, is characterized in that:
On described driving shaft, cover has radially outstanding shank, when described at least a portion is subjected to displacement, forces described shank displacement and then described driving shaft is moved towards the direction of described developing frame.
3. handle box according to claim 2, is characterized in that:
In described at least a portion, be provided with dip plane, described pressure is perpendicular to axial direction, and described at least a portion is when described pressure bottom offset, and described shank slides and moves vertically along described dip plane.
4. handle box according to claim 3, is characterized in that:
On described driving shaft, be provided with teat, be provided with the groove coordinating with described teat in described gear part, when described driving shaft engages with described gear part, described teat is contained in described groove.
5. handle box according to claim 4, is characterized in that:
On described driving shaft, be provided with the axially movable boss of the described shank of restriction.
6. according to the handle box described in claim 1 to 5 any one, it is characterized in that:
On described developing frame, be provided with the first bias piece, to described driving shaft, apply the biasing force that makes the position of described driving shaft in engaging with described gear part.
7. according to the handle box described in claim 1 to 5 any one, it is characterized in that:
On described developing frame, be provided with the second bias piece that forces described at least a portion to move to described original position.
8. according to the handle box described in claim 1 to 5 any one, it is characterized in that:
Described pressurized assembly comprises dwang and compresses bar, when described handle box is mounted to electrophotographic image forming, described one end that compresses bar is compressed and is moved, the other end and described dwang butt also rotate described dwang, thereby described dwang turns to the position of perk from the concordant position of the end face with described handle box.
9. handle box according to claim 8, is characterized in that:
On described pressure containing part, be provided with and force described dwang to be positioned at the 3rd bias piece with the position of the flat agent of end face of described handle box.
10. handle box according to claim 9, is characterized in that:
Described compressing is provided with elastic on bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310703061.XA CN103698993B (en) | 2013-12-18 | 2013-12-18 | Handle box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310703061.XA CN103698993B (en) | 2013-12-18 | 2013-12-18 | Handle box |
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| CN103698993A true CN103698993A (en) | 2014-04-02 |
| CN103698993B CN103698993B (en) | 2016-07-06 |
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| CN201310703061.XA Active CN103698993B (en) | 2013-12-18 | 2013-12-18 | Handle box |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103970002A (en) * | 2014-05-23 | 2014-08-06 | 珠海天威飞马打印耗材有限公司 | Processing box and regeneration method thereof |
| CN106325022A (en) * | 2015-06-19 | 2017-01-11 | 江西镭博钛电子科技有限公司 | Developing box |
| CN106325023A (en) * | 2015-06-19 | 2017-01-11 | 江西镭博钛电子科技有限公司 | Developing box |
| CN107942638A (en) * | 2016-12-09 | 2018-04-20 | 珠海市汇威打印机耗材有限公司 | A kind of handle box |
| CN108398871A (en) * | 2018-04-23 | 2018-08-14 | 珠海联合天润打印耗材有限公司 | Handle box |
| CN108614403A (en) * | 2018-02-13 | 2018-10-02 | 珠海天威飞马打印耗材有限公司 | Handle box |
| JP2020073960A (en) * | 2012-09-07 | 2020-05-14 | キヤノン株式会社 | Process cartridge |
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| US20120163879A1 (en) * | 2010-12-23 | 2012-06-28 | Samsung Electronics Co., Ltd. | Developing device and image forming apparatus including the same |
| CN203299517U (en) * | 2013-06-06 | 2013-11-20 | 江西镭博钛电子科技有限公司 | Developing box |
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| US6349189B1 (en) * | 1999-10-01 | 2002-02-19 | Samsung Electronics Co., Ltd. | Hopper-integrated type developing unit for image forming apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2022060423A (en) * | 2012-09-07 | 2022-04-14 | キヤノン株式会社 | Image forming apparatus and process cartridge |
| JP7254986B2 (en) | 2012-09-07 | 2023-04-10 | キヤノン株式会社 | Image forming device, process cartridge |
| JP2020073960A (en) * | 2012-09-07 | 2020-05-14 | キヤノン株式会社 | Process cartridge |
| JP2021047462A (en) * | 2012-09-07 | 2021-03-25 | キヤノン株式会社 | Process cartridge |
| JP7030949B2 (en) | 2012-09-07 | 2022-03-07 | キヤノン株式会社 | Process cartridge |
| CN103970002A (en) * | 2014-05-23 | 2014-08-06 | 珠海天威飞马打印耗材有限公司 | Processing box and regeneration method thereof |
| CN106325022A (en) * | 2015-06-19 | 2017-01-11 | 江西镭博钛电子科技有限公司 | Developing box |
| CN106325023A (en) * | 2015-06-19 | 2017-01-11 | 江西镭博钛电子科技有限公司 | Developing box |
| CN106325022B (en) * | 2015-06-19 | 2023-10-27 | 江西镭博钛电子科技有限公司 | Developing box |
| CN106325023B (en) * | 2015-06-19 | 2023-09-08 | 江西镭博钛电子科技有限公司 | Developing box |
| CN108089423A (en) * | 2016-12-09 | 2018-05-29 | 珠海市汇威打印机耗材有限公司 | Handle box |
| CN108089423B (en) * | 2016-12-09 | 2023-09-08 | 珠海市汇威精密制造有限公司 | Process cartridge |
| CN107942638B (en) * | 2016-12-09 | 2023-10-03 | 珠海市汇威精密制造有限公司 | Processing box |
| CN107942638A (en) * | 2016-12-09 | 2018-04-20 | 珠海市汇威打印机耗材有限公司 | A kind of handle box |
| CN108614403A (en) * | 2018-02-13 | 2018-10-02 | 珠海天威飞马打印耗材有限公司 | Handle box |
| CN108614403B (en) * | 2018-02-13 | 2024-04-19 | 珠海天威飞马打印耗材有限公司 | Process cartridge |
| CN108398871A (en) * | 2018-04-23 | 2018-08-14 | 珠海联合天润打印耗材有限公司 | Handle box |
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| CN103698993B (en) | 2016-07-06 |
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