CN208000453U - A kind of handle box - Google Patents
A kind of handle box Download PDFInfo
- Publication number
- CN208000453U CN208000453U CN201820355785.8U CN201820355785U CN208000453U CN 208000453 U CN208000453 U CN 208000453U CN 201820355785 U CN201820355785 U CN 201820355785U CN 208000453 U CN208000453 U CN 208000453U
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- gear
- frame
- handle box
- image forming
- photosensitive drums
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Abstract
The utility model discloses a kind of handle boxes, including:First frame, is provided with developer roll;Second frame, is provided with photosensitive drums;Second frame can be moved relative to the first frame between the first position that photosensitive drums are contacted with developer roll and the second position that photosensitive drums are detached with developer roll;Photosensitive drum gear is arranged in photosensitive drums;Transmission gear can drive developer roll to rotate;When handle box carries out image forming job in image forming apparatus, the second frame is moved to first position by the second position, and photosensitive drum gear contacts with each other with transmission gear;When handle box stops image forming job in image forming apparatus, the second frame is moved to the second position by first position, and photosensitive drum gear is spaced with transmission gear.The transmission solved in the prior art between handle box and image forming apparatus is unstable, and transmission anti-interference is poor, and kind of drive complexity is not easy to control, is unfavorable for the technical issues of handle box carries out image forming job.
Description
Technical field
The utility model is related to a kind of handle boxes used in image forming apparatus.
Background technology
In electronic photographic image forming device, in Xerox, digital duplicating machine and integrated printing machine, it is provided with pair
The developing apparatus that the electrostatic latent image being formed in photosensitive drums develops.Photosensitive drums and developing apparatus are that electrophotographic image is formed
One of core component in device.Handle box generally includes two types, and one is photosensitive drums to detach with developer roll, installs respectively
On different frames, this handle box is also commonly referred to as split type handle box sometimes;Another kind is that photosensitive drums and developer roll are common
It is arranged on same frame, this handle box is also sometimes referred to as integral type handle box.In integral type handle box, in addition to photosensitive
Outside drum and developer roll, powder feeding rod, charging roller, toner and puddle support etc. are also typically included, when the carbon dust in toner is finished,
Entire handle box is disassembled from rack and is replaced.The image-forming principle of above-mentioned image forming apparatus is:Charging roller is to sense
Light drum surface rushes the uniform charge of last layer, the light scanning unit in electronic imaging apparatus send out illumination be mapped to it is photosensitive after charging
Drum surface, forms electrostatic latent image, and developer is delivered to the electrostatic latent image area of photosensitive drum surface in photosensitive drums table by developer roll
Face forms visual developer image, and the transfer unit in image forming apparatus extremely remembers the visual developer image
On recording medium, by fixing by the fixing of visual developer image on the recording medium, last recording medium is from image forming apparatus
Middle discharge.
China Patent Publication No. CN101558361B discloses a kind of integral type handle box, which is removably installed
Into image forming apparatus, which includes the first driving transmission part and the second driving transmission part.The place
The photosensitive drums and developer roll for managing box separately receive driving force from described image forming apparatus, specifically, described photosensitive
A bulging shaft end is provided with bulging connector, and a shaft end of the developer roll is provided with axis connector, the bulging connector with
The first driving transmission part engagement, the axis connector are engaged with the second driving transmission part, first driving
Transmission part drives the photosensitive drums to rotate by the bulging connector, and the second driving transmission part is coupled by the axis
Part drives the developer roll rotation.When the handle box is installed into described image forming apparatus, described image forming apparatus
It needs to drive the photosensitive drums of the handle box and developer roll to rotate by the first driving transmission part and the second driving transmission part,
May cause to be driven so unstable, transmission anti-interference is poor, and kind of drive complexity is not easy to control, be unfavorable for handle box into
Row image forming job.
Utility model content
The purpose of this utility model is to provide a kind of handle box, solves the photosensitive drums of handle box and development in the prior art
Roller, which is required for being driven by image forming apparatus, to be rotated, and is caused the transmission between handle box and image forming apparatus unstable, is driven
Anti-interference is poor, and kind of drive complexity is not easy to control, is unfavorable for the technical issues of handle box carries out image forming job.
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions:
A kind of handle box is detachably mounted in image forming apparatus to carry out image forming job, and the handle box includes:
First frame, is provided with developer roll;
Second frame, is provided with photosensitive drums;
First frame and second frame are an integral structure, and second frame is relative to first frame
Around a fulcrum rotate, second frame can relatively described first frame contacted with the developer roll in the photosensitive drums first
It is moved between the second position that position and the photosensitive drums are detached with the developer roll;
Photosensitive drum gear is arranged in the photosensitive drums;
Transmission gear can drive the developer roll to rotate;
When second frame is in the second position relative to first frame, the photosensitive drum gear and the biography
Moving gear is spaced;When second frame is in first position relative to first frame, the photosensitive drum gear
It contacts with each other with the transmission gear;
When the handle box carries out image forming job in described image forming apparatus, second frame is by described second
Position is moved to the first position;When the handle box stops image forming job in described image forming apparatus, described
Two frames are moved to the second position by the first position.
Further, the photosensitive drum gear includes first gear portion and second gear portion, the first gear portion and institute
Transmission gear directly engagement is stated to drive the developer roll to rotate.
Further, the handle box further includes screw rod, and the screw rod is provided with spiral shell along an end in own axes direction
Bar gear, the screw gear can drive the screw rod to rotate, and the screw gear is driven by the second gear portion to be rotated.
Further, driving portion is provided in the photosensitive drums, the driving portion can receive in described image forming apparatus
Driving force and drive the photosensitive drums to rotate, the photosensitive drum gear can be rotated relative to the driving portion.
Further, the photosensitive drum gear is provided with sliding groove, the sliding groove be provided at both ends with the first limiting unit and
Second limiting unit, locating piece is provided in the photosensitive drums, and the locating piece can be along the sliding groove in first limitation
It is moved between portion and second limiting unit, when the locating piece is abutted to second limiting unit, the photosensitive drum gear
It receives the driving force that the photosensitive drums are transmitted and starts to rotate.
Further, torsional spring is additionally provided on the photosensitive drum gear, the one end is engaged with the locating piece,
The other end is abutted against with second limiting unit.
Compared with existing handle box, the developer roll of handle box need not be by image forming apparatus in the utility model embodiment
Rotation is driven, the gear drive between photosensitive drums and developer roll is passed through.Solve the photosensitive drums of handle box in the prior art
It is required for being driven by image forming apparatus with developer roll and rotate, cause the transmission between handle box and image forming apparatus unstable
Fixed, transmission anti-interference is poor, and kind of drive complexity is not easy to control, and the technology for being unfavorable for handle box progress image forming job is asked
Topic.
Description of the drawings:
Fig. 1 is the structural schematic diagram of handle box in the utility model first embodiment;
Fig. 2 is the structural schematic diagram of handle box in the utility model first embodiment;
Fig. 3 is the structural schematic diagram of the driving portion of photosensitive drums on handle box in the utility model first embodiment;
Fig. 4 is the structural schematic diagram in handle box gear portion in the utility model first embodiment;
When Fig. 5 is that the second frame of handle box in the utility model first embodiment is in first position with respect to the first frame
Structural schematic diagram;
When Fig. 6 is that the second frame of handle box in the utility model first embodiment is in first position, feel in handle box
The structural schematic diagram of relative position between light drum and developer roll;
When Fig. 7 is that the second frame of handle box in the utility model first embodiment is in the second position with respect to the first frame
Structural schematic diagram;
When Fig. 8 is that the second frame of handle box in the utility model first embodiment is in the second position, feel in handle box
The structural schematic diagram of relative position between light drum and developer roll;
Fig. 9 is a kind of situation of photosensitive drum gear and developing roller gear engagement process in the utility model first embodiment
Structural schematic diagram;
Figure 10 is another shape of photosensitive drum gear and developing roller gear engagement process in the utility model first embodiment
The structural schematic diagram of condition;
Figure 11 is that the structure that photosensitive drum gear coordinates with photosensitive drum gear mounting portion in the utility model second embodiment is shown
It is intended to;
Figure 12 is that the locating piece of photosensitive drum gear and photosensitive drum gear mounting portion in the utility model second embodiment coordinates
Structural schematic diagram;
Figure 13 and Figure 14 is the positioning of photosensitive drum gear and photosensitive drum gear mounting portion in the utility model second embodiment
The process schematic of block cooperation.
Figure 15 is torsional spring in the utility model second embodiment on photosensitive drum gear and photosensitive drum gear mounting portion is determined
The structural schematic diagram of position block cooperation.
Specific implementation mode:
In order to make the purpose of the utility model embodiment, technical solution and technique effect are clearer, below in conjunction with attached
The technical solution of the utility model Delevoping cartridge is clearly and completely described in figure.Obviously, the embodiment of description is only this
One preferred embodiment of utility model, rather than whole embodiments are based on the embodiments of the present invention, people in the art
Member belongs to the scope of protection of the utility model in the other embodiments for not making the creative labor and obtaining.
First embodiment
As depicted in figs. 1 and 2, it is the structural schematic diagram of handle box 100 in the utility model embodiment.Handle box 100 wraps
It includes:First frame 1 and the second frame 2, the first frame 1 and the second frame 2 are connected together through the hinges, and the second frame 2 can phase
First frame 1 is rotated around a fulcrum, and connects elastic member 12 between the first frame 1 and the second frame 2;Developer roll 3, if
It sets on the first frame 1;Photosensitive drums 4 are arranged on the second frame 2;Driving portion 5, setting, can in the axial end of photosensitive drums 4
It receives the driving force in image forming apparatus and photosensitive drums 4 is driven to rotate;Gear part 6 receives the driving that photosensitive drums 4 are transmitted
Power and drive in handle box 100 other rotating members to rotate.
As shown in figure 3, for the structural schematic diagram of driving portion 5.Driving portion 5 includes power reception portion 7 and cylinder 8, cylinder 8
Partial volume is contained in photosensitive drums 4, and is extended away from 4 direction of photosensitive drums along 4 axis of photosensitive drums;Power reception portion 7 holds completely
It is contained in cylinder 8, receives the driving force that image forming apparatus provides and cylinder 8 is driven to rotate, cylinder 8 then drives photosensitive drums 4 one
With rotation.
As shown in figure 4, for the structural schematic diagram of gear part 6.Gear part 6 include developing roller gear 3a, photosensitive drum gear 4a,
Screw gear 9a and intermediate gear 10.Wherein, developing roller gear 3a is arranged in an axial end for developer roll 3, can drive development
Roller 3 rotates;Photosensitive drum gear 4a settings rotate, photosensitive drums tooth in the axial end of photosensitive drums 4 with the rotation of photosensitive drums 4
It includes first gear portion 4a1 and second gear portion 4a2 to take turns 4a, and first gear portion 4a1 is engaged with developing roller gear 3a;Screw gear
9a is arranged in an axial end for screw rod 9, screw rod 9 can be driven to rotate, screw rod 9 can carry the development being removed from photosensitive drums 4
Agent;Intermediate gear 10 is particularly configured to idle pulley, including the first Transmission gear 10a and the second Transmission gear 10b, the first Transmission gear
10a is engaged with the second gear portion 4a2 of photosensitive drum gear 4a, and the second Transmission gear 10b is engaged with screw gear 9a.
After photosensitive drums 4 are driven by image forming apparatus to be rotated, photosensitive drum gear 4a is rotated together with photosensitive drums 4.Sense
The first gear portion 4a1 of light drum gear 4a is directly engaged with developing roller gear 3a, therefore first gear portion 4a1 passes through roller tooth of developing
3a driving developer rolls 3 are taken turns to rotate, it is selectable, a driving cog can be also set between photosensitive drum gear 4a and developing roller gear 3a
Wheel, the transmission gear are meshed with photosensitive drum gear 4a and developing roller gear 3a simultaneously, photosensitive drum gear 4a band nutating gears
Rotation, transmission gear drive developing roller gear 3a rotations;The first Transmission gear 10a of second gear portion 4a2 and intermediate gear 10
It directly engages, therefore second gear portion 4a2 drives intermediate gear 10 to rotate by the first Transmission gear 10a.Due to intermediate gear
10 the second Transmission gear 10b is directly engaged with screw gear 9a, after intermediate gear 10 is driven to rotate, then second transmits tooth
Wheel 10b is rotated together with intermediate gear 10, and the second Transmission gear 10b drives screw rod 9 to rotate by screw gear 9a.
Illustrate that photosensitive drums 4 in the present embodiment transfer a driving force to the specific mistake of developer roll 3 with reference to Fig. 5 to Figure 10
Journey.
As shown in Figure 5 and Figure 6, photosensitive when 2 opposite first frame 1 of the second frame of handle box 100 is in first position
Drum 4 contacts with each other with developer roll 3, and the first gear portion 4a1 of photosensitive drums 4 is in the developing roller gear 3a of developer roll 3 and engages shape
State, handle box 100 can carry out developing print operation.As shown in figs. 2,7 and 8, when the second frame 2 of handle box 100 is opposite
When first frame 1 is in the second position, photosensitive drums 4 and developer roll 3 are spaced, image forming apparatus to handle box 100
Two frames, 2 applied force F1, the second frame 2 overcomes the elastic force of elastic component 12 to be rotated relative to the first frame 1 along the directions X1, photosensitive
The first gear portion 4a1 of the drum 4 and developing roller gear 3a of developer roll 3 is in mutually not meshing state.
When the second frame 2 of handle box 100 is moved to first position by the second position, the first gear portion of photosensitive drums 4
The developing roller gear 3a of 4a1 and developer roll 3 are intermeshed, it is possible that as shown in Figure 9 and Figure 10 two kinds in engagement process
Situation.As shown in figure 9, the gear teeth of first gear portion 4a1 are meshed with the tooth socket of developing roller gear 3a or first gear portion
The tooth socket of 4a1 is meshed with the gear teeth of developing roller gear 3a, to sum up, first gear portion 4a1 can be with developing roller gear 3a phases
Mutually engagement, therefore photosensitive drums 4 can drive developing roller gear 3a by first gear portion 4a1 by developer roll 3 is driven to rotate;Such as Figure 10
Shown, the gear teeth of first gear portion 4a1 are opposite with the gear teeth of developing roller gear 3a, when first gear portion 4a1 and developing roller gear
When 3a is contacted with gear teeth relative status, when due to making the second frame 2 of handle box 100 be moved to first position by the second position
Power is larger, therefore first gear portion 4a1 or developing roller gear 3a are rotated relative to one another an angle so that first gear portion 4a1 with
Developing roller gear 3a intermeshings, photosensitive drums 4 and then drive developer roll 3 rotate.
As shown in Figures 3 to 8, when the second frame 2 of handle box 100 is moved to first position by the second position, processing
Box 100 starts developing print work, and image forming apparatus is no longer to 2 applied force F1 of the second frame of handle box 100, therefore second
The elastic force that frame 2 is provided by elastic component 12 is rotated along the directions X2 relative to the first frame 1, and photosensitive drums 4 are mutual with developer roll 3
Contact, the first gear portion 4a1 of photosensitive drums 4 are intermeshed with the developing roller gear 3a of developer roll 3.Image forming apparatus will drive
Power is transferred to driving portion 5, and driving portion 5 transfers a driving force to photosensitive drums 4 again.After photosensitive drums 4 receive driving force and rotate, sense
Light drum 4 drives first gear portion 4a1 rotations, and first gear portion 4a1 is directly engaged with developing roller gear 3a, therefore first gear
Portion 4a1 drives developer roll 3 to rotate by developing roller gear 3a, and developer roll 3 will be received in the developer replenishing in handle box 100 extremely
4 surface of photosensitive drums, photosensitive drums 4 proceed by image forming job.
Second embodiment
It is the second embodiment of handle box provided by the utility model as shown in Figure 11 to Figure 15.In the present embodiment, with
Identical part will not be described in great detail in first embodiment, only briefly describe and different technical characteristic in first embodiment.
First gear portion 4a1 is mounted on the mounting portion 11 of an axial end of photosensitive drums 4 in the present embodiment, is arranged on the mounting portion 11
There is the locating piece 12 of a pair of axisymmetrical about photosensitive drums 4.The sliding of engagement locating piece 12 is provided on first gear portion 4a1
Slot 13, sliding groove 13 are provided at both ends with the first limiting unit 15a and the second limiting unit 15b, the first limiting unit 15a and the second limiting unit
15b limits the moving along sliding groove 13 of locating piece 12.
When photosensitive drums 4, which are not driven by image forming apparatus, to be rotated, the locating piece 12 of mounting portion 11 is connected to first gear
On the first limiting unit 15a of portion 4a1;When photosensitive drums 4 are driven by image forming apparatus to be rotated, photosensitive drums 4 drive mounting portion 11
It is rotated along the directions S1, i.e., the locating piece 12 of mounting portion 11 is rotated along sliding groove 13 towards the directions S1, and locating piece 12 with first by limiting
The position that portion 15a processed is abutted is moved to the position abutted with the second limiting unit 15b.When locating piece is connected to the second limiting unit 15b
When, the driving force of photosensitive drums 4 is transferred on first gear portion 4a1 by locating piece 12, and locating piece 12 drives the first gear portion edges 4a1
The directions S1 rotate.
After photosensitive drums 4 rotate, locating piece 12 is moved to the second limiting unit from the first limiting unit 15a along sliding groove 13
15b just starts to drive first gear portion 4a1 rotations, therefore is first gear portion 4a1 in first embodiment and developing roller gear 3a
It is contacted with gear teeth relative status until being intermeshed and provides delay time so that the first gear portion 4a1 of photosensitive drums 4 and development
It will not mutual damaged in collision between roller gear 3a.
When photosensitive drums 4 are not driven by image forming apparatus and rotate, the locating piece 12 on 4 mounting portion 11 of photosensitive drums may
It is moved along the sliding groove 13 of first gear portion 4a1, in some instances it may even be possible to directly be connected to the second limiting unit of first gear portion 4a1
On 15b so that cannot achieve extension action, and 4 imaging of photosensitive drums action end post-positioning block 12 also can not be by limiting with second
The position that portion 15b processed is abutted is moved to the position abutted with the first limiting unit 15a.For this purpose, as shown in figure 15, the present embodiment is the
It is provided with torsional spring 14 on one gear part 4a1, open slot 12a is provided on locating piece 12, the first end 14a of torsional spring 14 is fixed
It is bonded in open slot 12a, second end 14b is abutted against with the second limiting unit 15a.It is fixed due to 14 own resilient of torsional spring
Position block 12 is connected to when not being driven to rotate on the first limiting unit 15a.When photosensitive drums 4 carry out imaging action, locating piece 12
The position abutted with the second limiting unit 15b is moved to by the position abutted with the first limiting unit 15a, torsional spring 14 is by 12 institute of locating piece
It compresses and accumulates elastic potential energy.After 4 imaging of photosensitive drums acts, photosensitive drums 4 are stopped rotating, and locating piece 12 is no longer by photosensitive
The driving force effect that drum 4 transmits, therefore the elastic potential energy of torsional spring 14 is changed into the kinetic energy of the movement of locating piece 12 so that locating piece 12
The position abutted with the first limiting unit 15a is moved to by the position abutted with the second limiting unit 15b.
Compared with existing handle box, the developer roll of handle box need not be by image forming apparatus in the utility model embodiment
Rotation is driven, the gear drive between photosensitive drums and developer roll is passed through.Solve the photosensitive drums of handle box in the prior art
It is required for being driven by image forming apparatus with developer roll and rotate, cause the transmission between handle box and image forming apparatus unstable
Fixed, transmission anti-interference is poor, and kind of drive complexity is not easy to control, and the technology for being unfavorable for handle box progress image forming job is asked
Topic.
Above example is only to illustrate the technical solution of the utility model, rather than its limitations;Although with reference to aforementioned reality
Example is applied the utility model is described in detail, it will be understood by those of ordinary skill in the art that:It still can be to preceding
The technical solution recorded in each embodiment is stated to modify or equivalent replacement of some of the technical features;And these
Modification or replacement, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (6)
1. a kind of handle box is detachably mounted in image forming apparatus to carry out image forming job, the handle box includes:
First frame, is provided with developer roll;
Second frame, is provided with photosensitive drums;
First frame and second frame are an integral structure, and second frame is relative to first frame around one
Fulcrum rotate, second frame can relatively described first frame in the first position that the photosensitive drums are contacted with the developer roll
It is moved between the second position that is detached with the developer roll of the photosensitive drums;
Photosensitive drum gear is arranged in the photosensitive drums;
Transmission gear can drive the developer roll to rotate;
When second frame is in the second position relative to first frame, the photosensitive drum gear and the driving cog
It takes turns spaced;When second frame is in first position relative to first frame, the photosensitive drum gear and institute
Transmission gear is stated to contact with each other;
It is characterized in that, when the handle box carries out image forming job in described image forming apparatus, second frame by
The second position is moved to the first position;When the handle box stops image forming job in described image forming apparatus
When, second frame is moved to the second position by the first position.
2. handle box according to claim 1, which is characterized in that the photosensitive drum gear includes first gear portion and second
Gear part, the first gear portion are directly engaged with the transmission gear to drive the developer roll to rotate.
3. handle box according to claim 2, which is characterized in that the handle box further includes screw rod, and the screw rod is along certainly
One end in body axis direction is provided with screw gear, and the screw gear can drive the screw rod to rotate, the screw gear
It is driven and rotates by the second gear portion.
4. handle box according to claim 1, which is characterized in that be provided with driving portion, the driving in the photosensitive drums
Portion can receive the driving force in described image forming apparatus and the photosensitive drums driven to rotate, and the photosensitive drum gear can be relative to
The driving portion rotation.
5. handle box according to claim 4, which is characterized in that the photosensitive drum gear is provided with sliding groove, the cunning
Dynamic slot is provided at both ends with the first limiting unit and the second limiting unit, and locating piece is provided in the photosensitive drums, and the locating piece can edge
It the sliding groove and is moved between first limiting unit and second limiting unit, when the locating piece is abutted to described
When two limiting units, the photosensitive drum gear receives the driving force that the photosensitive drums are transmitted and starts to rotate.
6. handle box according to claim 5, which is characterized in that torsional spring is additionally provided on the photosensitive drum gear, it is described
One end is engaged with the locating piece, and the other end is abutted against with second limiting unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820355785.8U CN208000453U (en) | 2018-03-16 | 2018-03-16 | A kind of handle box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820355785.8U CN208000453U (en) | 2018-03-16 | 2018-03-16 | A kind of handle box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208000453U true CN208000453U (en) | 2018-10-23 |
Family
ID=63839558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820355785.8U Active CN208000453U (en) | 2018-03-16 | 2018-03-16 | A kind of handle box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208000453U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109765773A (en) * | 2019-03-09 | 2019-05-17 | 珠海联合天润打印耗材有限公司 | Handle box |
| CN110441999A (en) * | 2019-08-16 | 2019-11-12 | 珠海天威飞马打印耗材有限公司 | Handle box, the installation method of handle box and electrophotographic imaging forming apparatus |
-
2018
- 2018-03-16 CN CN201820355785.8U patent/CN208000453U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109765773A (en) * | 2019-03-09 | 2019-05-17 | 珠海联合天润打印耗材有限公司 | Handle box |
| CN109765773B (en) * | 2019-03-09 | 2024-01-09 | 珠海联合天润打印耗材有限公司 | Process cartridge |
| CN110441999A (en) * | 2019-08-16 | 2019-11-12 | 珠海天威飞马打印耗材有限公司 | Handle box, the installation method of handle box and electrophotographic imaging forming apparatus |
| CN110441999B (en) * | 2019-08-16 | 2024-02-09 | 珠海天威飞马打印耗材有限公司 | Process cartridge, process cartridge mounting method, and electrophotographic image forming apparatus |
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