CN102073239A - Driving component, photosensitive drum and processing box - Google Patents
Driving component, photosensitive drum and processing box Download PDFInfo
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- CN102073239A CN102073239A CN 201110022530 CN201110022530A CN102073239A CN 102073239 A CN102073239 A CN 102073239A CN 201110022530 CN201110022530 CN 201110022530 CN 201110022530 A CN201110022530 A CN 201110022530A CN 102073239 A CN102073239 A CN 102073239A
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Abstract
The invention provides a driving component, a photosensitive drum and a processing box, the driving component comprises a gear, an axial adjusting component with a rotary driving force receiving head and an electromagnetic coil acted on the axial adjusting component, and an elastic support part and an axial limiting part are arranged between the axial adjusting component and the gear; at least one part of the axial adjusting component is made of magnetic conductive material, and the electromagnetic coil is connected with a power supply which is controlled to switch on and switch off by a switch; when the electromagnetic coil is electrified, the generated electromagnetic force can enable the axial adjusting component to overcome the elastic force of the elastic support part and move towards the direction of the fixed end. The axial motion state of the rotary driving force receiving head can be controlled by a user in a way of hand-holding the processing box, so that the rotary driving force receiving head does not need to be in contact with a driving part of an imaging device during the installation process for realizing axial movement, and the damages to the driving part of the imaging device caused by misoperation can be avoided.
Description
Technical field
The photosensitive drums and the handle box that the present invention relates to driven unit, adopt this driven unit to make up.
Background technology
Electrophotographic image forming comprises duplicating machine, laser printer and similar devices.A handle box is arranged in the electrophotographic image forming usually, and handle box can be mounted on the master component of electrophotographic image forming and from master component and dismantles.For example, by one is had photosensitive drums and integrally is assembled to the handle box for preparing in the box body as in developing apparatus, charging device and the cleaning device for the treatment of apparatus at least one.
Existing handle box comprises following kind: by fit over the first kind of handle box for preparing in the box with photosensitive drums with by the integral installation that developing apparatus, charging device and cleaning device are formed; By photosensitive drums and charging device integral installation are fitted over the second kind of handle box for preparing in the box; And by integral body assembling photosensitive drums and the third handle box of preparing by two processing units that charging device and cleaning device are formed.
User oneself can be mounted to the electrophotographic image forming master component with removably with above-mentioned handle box.Therefore, the user can carry out the maintenance of equipment, and need not to rely on the attendant of specialty, and then, improved the operability that the user safeguards electrophotographic image forming.
In above-mentioned traditional handle box, it is as follows so that drive the photosensitive drums driving mechanism to be used for slave unit master component reception rotary driving force: in the master component side, be provided with rotatable and a non-circular hole of reversing, rotatable driving force that is used to transmit motor, reverse the central part that the hole is arranged on rotatable, be provided with a plurality of bights and have can with the xsect of rotatable unitary rotation.In cartridge side, a non-circular projection of reversing is set, projection is arranged on one of them axial end portion of photosensitive drums, and has the xsect that is provided with a plurality of bights.When handle box was filled to the equipment master component, rotatable when rotating under the state that projection and hole are engaged with each other, rotatable rotary driving force was passed to photosensitive drums.As a result, the revolving force slave unit master component that is used to drive photosensitive drums is passed to photosensitive drums.Another kind of known mechanism drives photosensitive drums by the gear that is engaged to photosensitive drums, and then drives the handle box that photosensitive drums constitutes.Yet, in the conventional construction described in the U.S. Pat 5903803, when by moving handle box and handle box is mounted to master component or when master component is removed, need makes rotatable to move along horizontal direction along direction with rotatable axis approximate vertical.That is, need make rotatable to move horizontally by the opening and closing operation of master component lid.By the opening operation of described master component lid, separate with projection in the hole.On the other hand, by the shutoff operation of master component lid, move so that and protrusion engagement towards projection in the hole.Therefore, in traditional handle box, a kind of mechanism need be set on master component, it is used for moving rotatable by the opening and closing operation of master component lid along the rotation direction.In U.S. Pat 4829335 described structures, need not to move the driven wheel that is arranged at master component along its axis direction, described box just can be mounted to master component and tears open but from master component by moving along the direction that is approximately perpendicular to described axis.Yet in this structure, the driving connecting portion between master component and the handle box is the engaging piece between the gear, thereby is difficult to prevent the rotation unevenness of photosensitive drums.
U.S. Patent Application Publication instructions US2008/0152388A1 discloses another kind of handle box, and the improvement of its above-mentioned relatively handle box is that the driven unit that is positioned at an axial end portion of photosensitive drums is to adopt ball formula universal joint to drive connecting structure.This driving connecting structure exists easily to deviate from from driven unit, and particularly in the middle of transportation, this phenomenon more is prone to, and makes the afunction or the job insecurity of driven unit.
China utility model patent CN200920238326.2 provide a kind of drive assembly of photosensitive drum, comprises the gear that is tight with at photosensitive drums one end and axially adjust assembly, and this is axially adjusted assembly and has comprised the first motion sub-component, channel parts and central shaft parts; Described channel parts has spatially orthogonal upper hopper chute and gliding groove, and the described first motion sub-component forms the cooperation of relative slip with described upper hopper chute on first direction; Described central shaft parts and described gear have common axis, and it forms the cooperation of relative slip with described gliding groove on second direction; Described first direction and second direction all perpendicular to photosensitive drum shaft to.The described first motion sub-component comprises that stretching out the outer rotary driving force of described gear receives a head and an adjustment slide block, described rotary driving force receives head can be connected in described adjustment slide block rotatably around its axis, and being provided with one between described rotary driving force reception head and the adjustment slide block can be around the rotary spacing pin of described axis rotation.Because the central shaft parts remain on the central axis of gear, can guarantee that thus the final driving force of axially adjusting assembly and the acceptance of whole driven unit drops on the central axis of gear and photosensitive drums all the time, can alleviate beating of the relative axle center of gear greatly.In above-mentioned drive assembly of photosensitive drum, the axial adjustment of axially adjusting assembly receives the head generation passive with contacting of imaging device driver part by rotary driving force and moves, and might damage because of maloperation causes the imaging device driver part in the process of contact.Therefore, above-mentioned drive assembly of photosensitive drum still has further improved space.
Summary of the invention
First purpose of the present invention provides a kind of can avoiding and causes the driven unit that the imaging device driver part damages because of maloperation in the installation process.
Second purpose of the present invention provides a kind of photosensitive drums with above-mentioned driven unit.
The 3rd purpose of the present invention provide a kind of have above-mentioned photosensitive drums handle box.
For realizing above-mentioned first purpose, the present invention has adopted following technical scheme: a kind of driven unit is provided
,Comprise: gear with a stiff end; Axially adjust assembly, it has the rotary driving force that stretches out outside the described gear other end and receives head; Described axial adjustment assembly can be provided with elastic support member and axial limiting parts along described gear shaft to being arranged at reciprocating and flatly moving in the middle of this gear between described axial adjustment assembly and the described gear; Described driven unit also is provided with the solenoid that can act on described axial adjustment assembly, and at least a portion of described axial adjustment assembly is to be made of permeability magnetic material, and described solenoid is connected with the power supply of being controlled break-make by a switch; When described solenoid was switched on, the elastic force that the electromagnetic force of its generation makes described axial adjustment assembly overcome described elastic support member moved towards described stiff end direction.
Further technical scheme is, described solenoid is fixed on the described gear, and the main body of this solenoid is in the inner peripheral surface and the gap between the described axial adjustment assembly of described gear.
Preferably, described elastic support member is the screw type compression spring.
Preferably, described rotary driving force receives head and comprises outer end, pars intermedia and axial region, the center of described outer end is formed with the spherical of indent, the week of this spherical is along being formed with axially overhanging first dog and second dog, described first dog and second dog the surface have the occlusal surface that cooperates with the imaging device driver part respectively, described first dog and second dog form the center symmetry about the axis that this rotary driving force receives head.
For realizing above-mentioned second purpose, the present invention has adopted following technical scheme: a kind of photosensitive drums is provided, comprises bulging main body and be installed in the driven unit of described bulging body shaft to an end; Described driven unit comprises: the gear with a stiff end; Axially adjust assembly, it has the rotary driving force that stretches out outside the described gear other end and receives head; Described axial adjustment assembly can be provided with elastic support member and axial limiting parts along described gear shaft to being arranged at reciprocating and flatly moving in the middle of this gear between described axial adjustment assembly and the described gear; Described driven unit also is provided with the solenoid that can act on described axial adjustment assembly, and at least a portion of described axial adjustment assembly is to be made of permeability magnetic material, and described solenoid is connected with the power supply of being controlled break-make by a switch; When described solenoid was switched on, the elastic force that the electromagnetic force of its generation makes described axial adjustment assembly overcome described elastic support member moved towards described stiff end direction.
Further technical scheme is that described power supply is positioned at the inside of described bulging main body.
Preferably, described power supply is a dc-battery.
For realizing above-mentioned the 3rd purpose, the present invention has adopted following technical scheme: a kind of handle box is provided, comprise box body and be rotatably installed in the interior photosensitive drums of described box body, described photosensitive drums comprises bulging main body and is installed in the driven unit of described bulging body shaft to an end that described driven unit comprises: the gear with a stiff end; Axially adjust assembly, it has the rotary driving force that stretches out outside the described gear other end and receives head; Described axial adjustment assembly can be provided with elastic support member and axial limiting parts along described gear shaft to being arranged at reciprocating and flatly moving in the middle of this gear between described axial adjustment assembly and the described gear; Described driven unit also is provided with the solenoid that can act on described axial adjustment assembly, and at least a portion of described axial adjustment assembly is to be made of permeability magnetic material, and described solenoid is connected with the power supply of being controlled break-make by a switch; When described solenoid was switched on, the elastic force that the electromagnetic force of its generation makes described axial adjustment assembly overcome described elastic support member moved towards described stiff end direction.
Further technical scheme is that described switch is arranged on the handgrip part of described box body.
Preferably, described switch is the touch-induction-type switch, when user's hand contacts with described switch, and the conducting that is electrically connected of described power supply and solenoid; When user's hand and described switch disengage, the shutoff that is electrically connected of described power supply and solenoid.
Beneficial effect of the present invention is: owing to be provided with solenoid in the driven unit of the photosensitive drums end of this handle box, the handgrip part of box body is provided with the switch of the "on" position that is used to control solenoid.In the hand-held handle box installation process of user, user's hand makes switch be in opening, and the solenoid energising produces electromagnetic force, makes the axial adjustment assembly of driven unit drive its rotary driving force and receives the elastic force that head overcomes elastic support member and inwardly move; When the user finishes the installation process, when hand breaks away from switch on the box body, the solenoid outage, electromagnetic force disappears, and axially adjusts assembly and drives its rotary driving force and receive head outwards driver part engagement of motion and imaging device under the elastic force effect of elastic support member.The present invention can control the axially-movable state that rotary driving force receives head by the hand-held handle box of user, making rotary driving force receive head need not can avoid causing because of maloperation the damage of imaging device driver part by realizing moving axially adjustment with contacting of imaging device driver part in the installation process.Driven unit assembling of the present invention is simple, convenient, and structural behaviour is stable, the handle box machine-falling steady, dependable performance, the working stability that have adopted this driven unit to make up.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing:
Fig. 1 is the structural representation of a kind of handle box of the present invention.
Fig. 2 is another angle structural representation of handle box shown in Figure 1.
Fig. 3 is the structural representation of the photosensitive drums in the middle of the handle box shown in Figure 1.
Fig. 4 is the structural representation of the driven unit in the middle of the photosensitive drums shown in Figure 3.
Fig. 5 is the inner structure synoptic diagram of driven unit shown in Figure 4.
Fig. 6 is the gear of driven unit shown in Figure 4, axially adjusts the parts explosion of assembly, spring and spacing latch part.
Fig. 7 is the structural representation of the axial adjustment assembly in the middle of the driven unit shown in Figure 4.
Fig. 8 is the structural representation that the rotary driving force in the middle of the driven unit shown in Figure 4 receives head.
Embodiment
The various existing handle box of describing in the basic and this paper background technology of treatment in accordance with the present invention box is similar substantially, photosensitive drums is also similar substantially with photosensitive drums of the prior art, do not exist together and mainly be to be implemented in the driven unit of an axial end portion of photosensitive drums and relevant annex thereof, therefore, below mainly the embodiment of driven unit is elaborated, the embodiment of handle box and photosensitive drums only does simple declaration.
Illustrated in figures 1 and 2 is a kind of handle box 10 of the present invention, and it comprises box body 101 and is rotatably installed in photosensitive drums 20 in the box body 101, the switch 102 that will mention below the handgrip part of box body 101 is provided with.In order to demonstrate photosensitive drums 20, handle box 10 shown in Figure 2 has been hidden the photosensitive drums protective cover.As Fig. 3, photosensitive drums 20 comprises bulging main body 201 and is fixed on the driven unit 1 of bulging main body 201 axial ends, has photographic layer on the side face of drum main body 201, driven unit 1 is used to receive the rotary driving force that comes from the printer driver bar, and this rotary driving force passed to bulging main body 201, make bulging main body 201 under this rotary driving force effect around its axis rotation.
Fig. 4 to Fig. 6 expresses the basic comprising of driven unit 1, its structure mainly comprises gear 2, rotary driving force receives 3, adjust slide block 4, channel parts 5, rotary spacing pin 6, central shaft parts 9, spacing latch 7, screw type compression spring 8 and solenoid 13 etc., wherein as shown in Figure 7, rotary driving force receives 3, adjust slide block 4, rotary spacing pin 6, channel parts 5 and central shaft parts 9 constitute one and axially adjust assembly 11, the at least a portion that should axially adjust assembly 11 is to be made of permeability magnetic material (for example metal), for example, channel parts 5 adopts the metal material of magnetic conduction to constitute.By the compression of spring 8 and the axial limiting of spacing latch 7, this axially adjusts assembly 11 can do conditional axially back and forth translation motion with respect to gear 2.Because the axial adjustment assembly 11 of described driven unit 1 can be along gear shaft to being arranged at reciprocating and flatly moving with respect to gear in the middle of this gear 2, axially adjust and be provided with spring 8 between assembly 11 and the gear 2 and as the spacing latch 7 of axial limiting parts, when the handle box 10 that above-mentioned driven unit 1 is installed is in the printer slideway, it is axially adjusted rotary driving force on assembly 11 and receives 3 that it is remained is axially consistent with gear 2, and owing to be provided with spacing latch 7, axially adjust assembly 11 and can from gear 2, not deviate from, guaranteed the reliability and stability of work.
Referring to Fig. 8, rotary driving force receives 3 shapes that roughly are a similar torch, constitute by the outer end 30 that attenuates successively from (being from up to down in the middle of Fig. 5) outward inwards, pars intermedia 36 and axial region 37, pars intermedia 36 and axial region 37 are cylindrical, and axial region 37 is provided with the pin-and-hole 38 that passes for rotary spacing pin 6.The center of outer end 30 is formed with the spherical 35 of indent, be formed with outwardly directed first dog 31 and second dog 32 around this spherical 35, first dog 31 and second dog 32 receive axis 39 formation center symmetries of 3 about rotary driving force, and the surface of first dog 31 and second dog 32 has the occlusal surface 33 that cooperates with the printer driver bar respectively.
Referring to Fig. 5, solenoid 13 is fixed on the gear 2, and the main body of this solenoid 13 is in the inner peripheral surface and the axial gap of adjusting between the assembly 11 of gear 2, and wherein, the channel parts 5 of magnetic conduction is positioned at the inside of solenoid 13 main bodys.The power supply 14 that described solenoid 13 and is positioned at bulging main body 201 inside of photosensitive drums 20 is connected, and this power supply 14 can adopt dc-battery, and it is fixed on the substrate 15 of a circle.Gear 2 is tight with at an end of bulging main body 201 by its stiff end 21, the dead in line of the axis of this gear 2 and drum main body 201, and rotate around their common axis synchronously with drum main body 201.Rotary driving force receives 3 and is connected in by rotary spacing pin 6 and adjusts slide block 4, and this rotary driving force receives 3 and can back and forth rotate with respect to adjusting slide block 4 around its axis in the certain angle scope; Spring 8 is enclosed within on the central shaft parts 9; Central shaft parts 9 are assemblied in the gear 2 by spacing latch 7.The driven unit 1 of said structure, the structure of the driven unit among structure except solenoid 13, power supply 14 and substrate 15 and the Chinese utility model patent CN200920238326.2 is basic identical, and its detailed structure does not specify herein.
Described power supply 14 can be controlled break-make by the switch 102 that is arranged on box body 101 handgrip parts, can be connected by wireless mode between switch 102 and the power supply 14.Described switch 102 can adopt the touch-induction-type switch, when user's hand contacts with switch 102, and the conducting that is electrically connected of described power supply 14 and solenoid 13; When user's hand and switch 102 disengage, the shutoff that is electrically connected of power supply 14 and solenoid 13.In the hand-held handle box 10 installation processes of user, make switch 102 be in opening, solenoid 13 energising produces electromagnetic forces, makes elastic force that axial adjustment assembly 11 overcomes spring 8 move (rotary driving force receive 3 move) towards the stiff end direction of gear 2 in gear 2.When handle box 10 drops on working position in the printer, the rotary driving force that the printer driver bar has been aimed at driven unit 1 automatically receives 3, user's hand breaks away from the switch 102 on the handle box 10 at this moment, solenoid 13 outages, electromagnetic force disappears, and rotary driving force receives 3 and moves towards gear 2 outside under spring 8 effects and mesh with the printer driver bar with axial adjustment assembly 11.
When printer starts, the printer driver bar begins angle of idle running earlier, receive two dogs, 31,32 interlocks on 3 with rotary driving force then, thereby the photosensitive drums 20 that drives in the handle box 10 is rotated, handle box 10 is developed for powder, thereby realize the print procedure of printer.
Only be preferred implementation of the present invention below, should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, and not break away from the protection domain of claim of the present invention.For example, other axial limiting structure that spacing latch can adopt those skilled in the art to expect easily realizes that the axial limiting structure can be and the individual member of central shaft isolation of components, also can be formed in a part on the central shaft parts.In addition, elastic support member can substitute with the elastomeric element beyond the screw type compression spring, for example can compressed elastic plastic member structure etc.
Claims (10)
1. driven unit
,Comprise
Gear with a stiff end;
Axially adjust assembly, it has the rotary driving force that stretches out outside the described gear other end and receives head;
Described axial adjustment assembly can be provided with elastic support member and axial limiting parts along described gear shaft to being arranged at reciprocating and flatly moving in the middle of this gear between described axial adjustment assembly and the described gear;
It is characterized in that:
Described driven unit also is provided with the solenoid that can act on described axial adjustment assembly, and at least a portion of described axial adjustment assembly is to be made of permeability magnetic material, and described solenoid is connected with the power supply of being controlled break-make by a switch; When described solenoid was switched on, the elastic force that the electromagnetic force of its generation makes described axial adjustment assembly overcome described elastic support member moved towards described stiff end direction.
2. driven unit according to claim 1
,It is characterized in that:
Described solenoid is fixed on the described gear, and the main body of this solenoid is in the inner peripheral surface and the gap between the described axial adjustment assembly of described gear.
3. driven unit according to claim 1
,It is characterized in that:
Described elastic support member is the screw type compression spring.
4. driven unit according to claim 1 is characterized in that:
Described rotary driving force receives head and comprises outer end, pars intermedia and axial region, the center of described outer end is formed with the spherical of indent, the week of this spherical is along being formed with axially overhanging first dog and second dog, described first dog and second dog the surface have the occlusal surface that cooperates with the imaging device driver part respectively, described first dog and second dog form the center symmetry about the axis that this rotary driving force receives head.
5. photosensitive drums comprises
Rouse main body and be installed in the driven unit of described bulging body shaft to an end;
Described driven unit comprises
Gear with a stiff end;
Axially adjust assembly, it has the rotary driving force that stretches out outside the described gear other end and receives head;
Described axial adjustment assembly can be provided with elastic support member and axial limiting parts along described gear shaft to being arranged at reciprocating and flatly moving in the middle of this gear between described axial adjustment assembly and the described gear;
It is characterized in that:
Described driven unit also is provided with the solenoid that can act on described axial adjustment assembly, and at least a portion of described axial adjustment assembly is to be made of permeability magnetic material, and described solenoid is connected with the power supply of being controlled break-make by a switch; When described solenoid was switched on, the elastic force that the electromagnetic force of its generation makes described axial adjustment assembly overcome described elastic support member moved towards described stiff end direction.
6. photosensitive drums according to claim 5
,It is characterized in that:
Described power supply is located at the inside of described bulging main body.
7. photosensitive drums according to claim 6
,It is characterized in that:
Described power supply is a dc-battery.
8. handle box comprises
Box body;
Be rotatably installed in the photosensitive drums in the described box body, described photosensitive drums comprises bulging main body and is installed in the driven unit of described bulging body shaft to an end;
Described driven unit comprises
Gear with a stiff end;
Axially adjust assembly, it has the rotary driving force that stretches out outside the described gear other end and receives head;
Described axial adjustment assembly can be provided with elastic support member and axial limiting parts along described gear shaft to being arranged at reciprocating and flatly moving in the middle of this gear between described axial adjustment assembly and the described gear;
It is characterized in that:
Described driven unit also is provided with the solenoid that can act on described axial adjustment assembly, and at least a portion of described axial adjustment assembly is to be made of permeability magnetic material, and described solenoid is connected with the power supply of being controlled break-make by a switch; When described solenoid was switched on, the elastic force that the electromagnetic force of its generation makes described axial adjustment assembly overcome described elastic support member moved towards described stiff end direction.
9. handle box according to claim 8
,It is characterized in that:
Described switch is arranged on the handgrip part of described box body.
10. handle box according to claim 9
,It is characterized in that:
Described switch is the touch-induction-type switch, when user's hand contacts with described switch, and the conducting that is electrically connected of described power supply and solenoid; When user's hand and described switch disengage, the shutoff that is electrically connected of described power supply and solenoid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110022530 CN102073239A (en) | 2011-01-20 | 2011-01-20 | Driving component, photosensitive drum and processing box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110022530 CN102073239A (en) | 2011-01-20 | 2011-01-20 | Driving component, photosensitive drum and processing box |
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| CN102073239A true CN102073239A (en) | 2011-05-25 |
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| CN 201110022530 Pending CN102073239A (en) | 2011-01-20 | 2011-01-20 | Driving component, photosensitive drum and processing box |
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| CN103135385A (en) * | 2011-11-22 | 2013-06-05 | 珠海赛纳打印科技股份有限公司 | Driving assembly in processing box and processing box with same |
| CN104049484A (en) * | 2013-03-15 | 2014-09-17 | 珠海赛纳打印科技股份有限公司 | Photosensitive element driving component, process cartridge and process cartridge installation detection method |
| CN104155863A (en) * | 2014-08-20 | 2014-11-19 | 珠海天威飞马打印耗材有限公司 | Torque receiving assembly, photosensitive drum, and process cartridge |
| CN105824213A (en) * | 2016-05-24 | 2016-08-03 | 珠海联合天润打印耗材有限公司 | Drive assembly and developing box |
| CN106606360A (en) * | 2015-10-22 | 2017-05-03 | 北京航空航天大学 | Medical self-contained axial driving device and using method thereof |
| CN106773583A (en) * | 2011-11-26 | 2017-05-31 | 江西亿铂电子科技有限公司 | A kind of controlling organization and the handle box comprising the controlling organization |
| CN107219745A (en) * | 2016-03-21 | 2017-09-29 | 中山诚威科技有限公司 | Drum unit and the handle box with the drum unit |
| CN107479345A (en) * | 2017-09-26 | 2017-12-15 | 珠海天威飞马打印耗材有限公司 | Rotate force transfer unit, photosensitive drums and handle box |
| CN108614402A (en) * | 2014-11-13 | 2018-10-02 | 纳思达股份有限公司 | Handle box and drive component |
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| CN108614402A (en) * | 2014-11-13 | 2018-10-02 | 纳思达股份有限公司 | Handle box and drive component |
| CN108614402B (en) * | 2014-11-13 | 2019-06-25 | 纳思达股份有限公司 | Handle box and driving assembly |
| CN106606360A (en) * | 2015-10-22 | 2017-05-03 | 北京航空航天大学 | Medical self-contained axial driving device and using method thereof |
| CN107219745A (en) * | 2016-03-21 | 2017-09-29 | 中山诚威科技有限公司 | Drum unit and the handle box with the drum unit |
| CN107219746A (en) * | 2016-03-21 | 2017-09-29 | 中山诚威科技有限公司 | Drum unit and the handle box with the drum unit |
| CN107219746B (en) * | 2016-03-21 | 2019-12-03 | 中山诚威科技有限公司 | Drum unit and handle box with the drum unit |
| CN107219745B (en) * | 2016-03-21 | 2019-12-03 | 中山诚威科技有限公司 | Drum unit and handle box with the drum unit |
| CN105824213A (en) * | 2016-05-24 | 2016-08-03 | 珠海联合天润打印耗材有限公司 | Drive assembly and developing box |
| CN105824213B (en) * | 2016-05-24 | 2023-08-01 | 珠海联合天润打印耗材有限公司 | Driving assembly and developing box |
| CN107479345A (en) * | 2017-09-26 | 2017-12-15 | 珠海天威飞马打印耗材有限公司 | Rotate force transfer unit, photosensitive drums and handle box |
| CN107479345B (en) * | 2017-09-26 | 2023-11-17 | 珠海天威飞马打印耗材有限公司 | Rotational force transmitting assembly, photosensitive drum and process cartridge |
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Application publication date: 20110525 |