CN209633978U - A kind of rolling device of Mobile phone screen - Google Patents
A kind of rolling device of Mobile phone screen Download PDFInfo
- Publication number
- CN209633978U CN209633978U CN201822149732.3U CN201822149732U CN209633978U CN 209633978 U CN209633978 U CN 209633978U CN 201822149732 U CN201822149732 U CN 201822149732U CN 209633978 U CN209633978 U CN 209633978U
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- Prior art keywords
- clamp hand
- flexible membrane
- curved surface
- cover sheet
- fitting
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Abstract
The utility model discloses a kind of rolling device of Mobile phone screen, including upper element and lower component, and the lower component is provided with flowing roller-way, and curved surface cover sheet is fixed on the flowing roller-way, and upper element is provided with flexible membrane, carrier band；Flexible membrane is attached to the lower end surface of carrier band; by the changeable carrier band shape of upper element to make the arc-shaped face of flexible membrane; flexible membrane central part is set to be in extreme lower position and first be bonded with the curved surface cover sheet; and gradually rolled flexible membrane to curved surface cover sheet by upper element, to realize the fitting of the curved surface cover sheet and the flexible membrane；The utility model is directed to the curved surface cover sheet with right angle or edge of acute angle and carries out flexible membrane fitting, and flexible membrane is avoided to generate the bad defects such as bubble fold during fitting；Under the action of limiting device, the first contact at flexible membrane end and curved surface cover sheet curved edges position is avoided, the defective products of production is reduced.
Description
Technical field
The utility model relates to Mobile phone screen manufacture technology fields, and in particular to a kind of rolling device of Mobile phone screen.
Background technique
For curve screens generally using non-rigid glass as substrate, elasticity is more preferable, non-breakable, therefore has screen wear rate low
The advantages of；The curved surface setting of screen can make screen become thinner, is light-weight, is low in energy consumption and increase visible angle simultaneously.
When being used for mobile phone, the curved design of curve screens entirety is conducive to hold and palm of the hand radian is bonded more preferably, subtracts
Thumb touches the distance of screen when few one-handed performance, theoretically facilitates to be promoted the body under large scale screen laterally across screen operation
It tests；The curve for seeming delicate can allow mobile phone holder to possess better information privacy.
Now for large-sized Curved screen such as TV Curved screen, the laminating type of curved surface cover sheet and flexible membrane is normal
Using rolling, but to the mobile phone Curved screen of small size, Curved screen Edge Distance is small, is easy to curved surface in rolling process kind flexible membrane and protects
Protecting cover plate benging edge first contacts, and causes the relative friction of flexible membrane and curved edge to move, to generate defective products.
In view of the defect, the utility model creator obtains originally practical new finally by prolonged research and practice
Type.
Utility model content
To solve the technological deficiency, the technical solution adopted in the utility model is, provides a kind of rolling of Mobile phone screen
Device, including upper element and lower component, the lower component are provided with flowing roller-way, and the curved surface cover sheet fixation is set
It sets on the flowing roller-way, the upper element is provided with flexible membrane, carrier band；The flexible membrane is attached under the carrier band
End face；The curved surface cover sheet is provided with curved edge in long side, between the curved edge and the curved surface cover sheet
Angle at right angles or acute angle；
The upper element further includes having mounting plate and laminating apparatus, and the laminating apparatus is arranged on the mounting plate；
The laminating apparatus includes fitting idler wheel, vertical shift portion, first level moving portion；The first movement portion drives the fitting
Idler wheel does the movement on vertical direction, and the first level moving portion drives the fitting idler wheel to do the movement in horizontal direction,
The fitting idler wheel can freely be rolled around central shaft；The mounting plate corresponds to the fitting idler wheel and is provided with fitting hole, described
The upper surface of the mounting plate is arranged in first level moving portion, and the vertical shift portion is connect with the first level device,
And the first vertical device setting is bonded in hole with described；
The upper element further includes clamp hand device, and the clamp hand device is arranged on the lower end surface of the mounting plate, and
The clamp hand device is symmetricly set on the two sides in the fitting hole；Both ends of the clamp hand device to clamp the carrier band,
The upper element is additionally provided with limiting device, and the limiting device is arranged on the lower end surface of the mounting plate；
The limiting device is provided with limited roller and second and moves horizontally portion；The limited roller can freely be rolled around central shaft,
Described second, which moves horizontally portion, can drive the limited roller to move horizontally；The limited roller is movable to the curved surface and protects
The surface of protecting cover plate.
Preferably, the limited roller and the fitting idler wheel are disposed as cylindrical type, and the limited roller and described
Fitting idler wheel is arranged in parallel；The limited roller and the fitting roller length cooperate the width of the carrier band to be arranged.
Preferably, the vertical shift portion, the first level moving portion and second portion of moving horizontally are disposed as
Linear guide rail structure.
Preferably, the clamp hand device includes clamp hand pedestal, clamp hand cylinder and clamping group, the clamp hand base runner connection
On two clamp hand guide rails；The clamp hand cylinder and the clamping group are arranged on the clamp hand pedestal, the clamp hand cylinder with
The clamping group is fixedly connected, and the clamp hand cylinder controls the holding action of the clamping group.
Preferably, the clamp hand pedestal is set as plate, the fitting idler wheel is arranged between the two clamping groups, described
The side of clamp hand pedestal is provided with clamp hand motor, and the clamp hand motor is fixed on the mounting plate, the clamp hand motor it is defeated
Shaft is fixedly connected with the corresponding clamp hand pedestal.
Preferably, the output shaft of the clamp hand motor is connect with the clamp hand base thread.
Preferably, the clamping group includes the upper folder portion being fixed on the clamp hand pedestal and can be with the upper folder portion phase
To mobile lower folder portion, the cylinder is fixed on the side of the upper folder portion, the telescopic rod end of the cylinder and the lower folder
Portion is fixedly connected.
Preferably, being provided with connection protrusion on the clamping face that the upper folder portion and the lower folder portion face.
Preferably, the carrier band uses flexible material, the flexible membrane is set as flexible display screen, flexible touch screen, soft
One of property cooling fin；The curved surface cover sheet is one of glass material, plastic material, ceramic material.
Preferably, when the limited roller is moved to the surface of the curved surface cover sheet, two limited rollers it
Between distance be less than the distance between corresponding described two curved edge of curved surface cover sheet.
Compared with the prior art the utility model has the beneficial effects that: the utility model, which is directed to, has right angle or sharp edge
The curved surface cover sheet of edge carries out the flexible membrane fitting, make the flexible membrane in the curved surface cover sheet gradually
Fitting, avoids the flexible membrane from generating the bad defects such as bubble fold during fitting；Meanwhile in the work of the limiting device
Under, the first contact at the flexible membrane end and the curved surface cover sheet curved edges position is avoided, production is reduced
Defective products.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the rolling device of Mobile phone screen described in the utility model；
Fig. 2 is the face upwarding stereogram of the upper element；
Fig. 3 is the top perspective view of the upper element；
Fig. 4 is the cross-sectional view of the upper element；
Fig. 5 is the process for using figure of the rolling device of Mobile phone screen described in the utility model.
Digital representation in figure:
1- curved surface cover sheet；2- flexible membrane；3- carrier band；4- mounting plate；5- laminating apparatus；6- clamp hand device；7- limit
Device；51- is bonded idler wheel；52- vertical shift portion；53- first level moving portion；61- clamp hand pedestal；62- clamping group；63- folder
Hand motor；71- limited roller；72- second moves horizontally portion.
Specific embodiment
Below in conjunction with attached drawing, technical characteristic and advantage described in the utility model and other are described in more detail.
Embodiment one
As shown in FIG. 1, FIG. 1 is the structural schematic diagrams of the rolling device of Mobile phone screen described in the utility model；The utility model
The rolling device of the Mobile phone screen includes upper element and lower component, and the lower component is provided with flowing roller-way, and curved surface is protected
Protecting cover plate 1 is fixed on the flowing roller-way, and the upper element is provided with flexible membrane 2, carrier band 3；The flexible membrane 2 pastes
It is attached to the lower end surface of the carrier band 3,3 shapes of the carrier band can be changed by the upper element to make the flexible membrane 2 be in
Arcwall face makes 2 central part of flexible membrane be in extreme lower position and first be bonded with the curved surface cover sheet 1, and further
The flexible membrane 2 is gradually rolled to the curved surface cover sheet 1 by the upper element, to realize that the curved surface is protected
The fitting of protecting cover plate 1 and the flexible membrane 2.
The carrier band 3 uses flexible material, and the flexible membrane 2 is traditionally arranged to be flexible display screen, flexible touch screen, flexibility
The functionality such as cooling fin or decorative membrane material；The curved surface cover sheet 1 is generally the materials such as glass material, plastics, ceramics,
The curved surface cover sheet 1 is provided with curved edge in long side, the folder between the curved edge and the curved surface cover sheet 1
Angle at right angles or acute angle；It is corresponding, 2 size of flexible membrane and 1 dimensional fits of curved surface cover sheet setting, the flexibility
Film 2 can be fitted on the inner surface that the curved surface cover sheet 1 includes the curved edge.
As shown in Figure 2, Figure 3, Figure 4, Fig. 2, Fig. 3 are three-dimensional view of the upper element in two different directions respectively；
Fig. 4 is the cross-sectional view of the upper element.The upper element further includes having mounting plate 4 and laminating apparatus 5, the laminating apparatus
5 are arranged on the mounting plate 4；The laminating apparatus 5 is used to press the upper surface of the carrier band 3, so that the carrier band 3 be made to produce
Raw bending, and then the flexible membrane 2 is made to form winding arc face, guarantee that 2 central part of flexible membrane and the curved surface are protected
The contact when fitting of cover board 1 starts.
The laminating apparatus 5 includes fitting idler wheel 51, vertical shift portion 52, first level moving portion 53；Described first moves
Dynamic portion drives the fitting idler wheel 51 to do the movement on vertical direction, and the first level moving portion 53 drives the fitting idler wheel
51 do the movement in horizontal direction, and the fitting idler wheel 51 can freely be rolled around central shaft.The corresponding patch of the mounting plate 4
It closes idler wheel 51 and is provided with fitting hole, the upper surface of the mounting plate 4, the vertical shifting is arranged in the first level moving portion 53
Dynamic portion 52 is connect with the first level device, and the first vertical device setting is bonded in hole with described, to guarantee institute
It states fitting idler wheel 51 and is located at 4 lower part of mounting plate, convenient for the operation between the fitting idler wheel 51 and the lower component.
The upper element further includes clamp hand device 6, and the clamp hand device 6 is arranged on the lower end surface of the mounting plate 4,
And the clamp hand device 6 is symmetricly set on the two sides in the fitting hole；The clamp hand device 6 is to clamp the two of the carrier band 3
End, thus the position of the fixed carrier band 3.
The upper element is additionally provided with limiting device 7, and the lower end surface of the mounting plate 4 is arranged in the limiting device 7
On；The limiting device 7 is provided with limited roller 71 and second and moves horizontally portion 72；The limited roller 71 can be around central shaft
It freely rolls, described second, which moves horizontally portion 72, can drive the limited roller 71 to move horizontally.The limited roller 71 can
It is moved to the surface of the curved surface cover sheet 1, the limited roller 71 and the fitting idler wheel 51 are disposed as cylindrical type,
And the limited roller 71 and the fitting idler wheel 51 are arranged in parallel, the limited roller 71 and 51 length of fitting idler wheel
Cooperate the width setting of the carrier band 3.
It needs to control after the central part of the flexible membrane 2 is bonded by the fitting idler wheel 51 with the curved surface cover sheet 1
It makes the fitting idler wheel 51 and is moved horizontally to the curved edge of the curved surface cover sheet 1 to realize the flexible membrane 2
It is bonded with the complete of curved surface cover sheet 1, at the fitting idler wheel 51 rolling to the curved edge position, generally
Avoid the carrier band 3 when the fitting idler wheel 51 is rolled by the excessive fracture of pulling force, it need to be by the clamp hand device 6 to the carrier band
The clamping effect at 3 both ends releases；Therefore the fixed function of the clamp hand device 6 is lost, on the carrier band 3 and the carrier band 3
The flexible membrane 2 is easily contacted prior to the curved edge, and during fitting, and the flexible membrane 2 is produced with the curved edge
Raw contact friction, causes the generation of defective products；By the way that the limited roller 71 is arranged, and in the folder for releasing the clamp hand device 6
The limited roller 71 is moved to rational position before holding effect fruit, the carrier band 3 is overlapped on the limited roller 71, guarantees
The fit-state of the carrier band 3 and the fitting idler wheel 51, makes 2 end of flexible membrane be in the biggish bending state of curvature,
To avoid the flexible membrane 2 from contacting with the first of the curved edge, product quality is improved；And exist in the limited roller 71
Body can free rolling effect can move freely the carrier band 3 on the limited roller 71 during fitting, thus just
In the fitting idler wheel 51 to the rolling operation of the carrier band 3.
Preferably, the vertical shift portion 52, the first level moving portion 53 and described second move horizontally portion 72
It may be configured as existing linear guide rail structure.In general, the setting of flexible membrane 2 is protected in the curved surface after completing fitting
Between cover board 1 and the carrier band 3；The geomery of the flexible membrane 2 and the curved surface cover sheet 1 is consistent, the load
Area size with 3 is greater than the area size of the flexible membrane 2, to guarantee that the carrier band 3 can be by the clamp hand device 6, institute
It states limiting device 7 and carries out position restriction.
Preferably, can be evenly equipped with several curved surface cover sheets 1 on the flowing roller-way, the upper element can be simultaneously
Several curved surface protection caps being bonded will be completed after several curved surface cover sheets 1 are carried out with the fitting of the flexible membrane 2
1 bulk transport of plate；Or it will complete to be bonded by the flowing roller-way after a curved surface cover sheet 1 is completed in designated position
The curved surface cover sheet 1 export and the curved surface cover sheet 1 that will be bonded is directed at specified bonding position
And it is fixed.
Embodiment two
Preferably, the clamp hand device 6 includes clamp hand pedestal 61, clamp hand cylinder and clamping group 62, the clamp hand pedestal 61
It is movably connected on two clamp hand guide rails；The clamp hand cylinder and the clamping group 62 are arranged on the clamp hand pedestal 61, institute
It states clamp hand cylinder to be fixedly connected with the clamping group 62, the clamp hand cylinder controls the holding action of the clamping group 62, i.e., logical
Crossing the clamp hand cylinder can realize the clamp hand device 6 to the clipping operation at 3 both ends of the carrier band.
The clamp hand pedestal 61 is set as the plate with one fixed width, and the fitting idler wheel 51 is arranged in two clampings
Between group 62, the clamp hand pedestal 61 can be by the clamp hand guide rail away from or approaching the fitting idler wheel 51.The clamp hand base
The side of seat 61 is provided with clamp hand motor 63, and the clamp hand motor 63 is fixed on the mounting plate 4, the clamp hand motor 63
Output shaft is fixedly connected with the corresponding clamp hand pedestal 61；By the driving of the clamp hand motor 63, the clamp hand pedestal 61 can
It is relatively moved along the guide rail and the lifting pressurization part.It is worth noting that the clamp hand motor 63 is preferably servo motor,
And the type of motor is not limited；The output shaft of the clamp hand motor 63 is threadedly coupled with the clamp hand pedestal 61, by described
The rotation of 63 output shaft of clamp hand motor drives the clamp hand pedestal 61 to move along the clamp hand guide rail.
The clamping group 62 includes the upper folder portion being fixed on the clamp hand pedestal 61 and can be opposite with the upper folder portion
Mobile lower folder portion.Preferably, the gripping width of the upper folder portion and the lower folder portion is corresponding with the width of the carrier band 3,
To guarantee that the cooperation of the upper folder portion and the lower folder portion can clamp the end of the covering carrier band 3 completely, improve described
The stability of fitting idler wheel 51 carrier band 3 and 2 bending deformation of the flexible membrane during contacting rolling with the carrier band 3.
The cylinder is fixed on the side of the upper folder portion, lower folder portion described in the cylinder lifting controllable, to realize
The clamping of 62 pairs of the clamping group carrier band, 3 ends.In general, the telescopic rod end of the cylinder is fixed with the lower folder portion
Connection, to realize the control to the lower folder portion.
Specifically, second cylinder is moved with 61 1 same level of clamp hand pedestal driven with the clamp hand motor 63
It moves, and clamps the end of the carrier band 3 by going up and down the lower folder portion, or complete the curved surface cover sheet 1 and institute
It is unclamped after stating the fitting of flexible membrane 2.
Preferably, connection protrusion is provided on the clamping face that the upper folder portion and the lower folder portion face, to improve folder
The stability of 3 ends of the carrier band is taken, the connection protrusion can be various Reasonable Shapes.Likewise, the cylinder does not limit
Its type can be driven by gas or supply mobility object.
Embodiment three
As shown in figure 5, Fig. 5 is the process for using figure of the rolling device of Mobile phone screen described in the utility model；The utility model
Use process specifically: the flexible membrane 2 is attached on the carrier band 3, the curved surface cover sheet 1 is passed through into the flowing
Roller-way is moved to the underface of the carrier band 3；Pass through the fixed carrier band 3 for being pasted with the flexible membrane 2 of the clamp hand device 6
End；By movement 62 position of clamping group, and the fitting idler wheel 51 is pushed, so that the carrier band 3 is formed arcwall face, and will
The central part of the carrier band 3 and the central part of the curved surface cover sheet 1 contact fitting；The limited roller 71 is adjusted,
And the clamping effect of 62 pairs of the clamping group carrier band, 3 ends is released, make 3 lapping ends of the carrier band in the limited roller
On 71；By moving horizontally the fitting idler wheel 51, the limited roller 71 is mobile with the fitting idler wheel 51, the fitting rolling
Wheel 51 rolling to two curved edges；The carrier band 3 is removed from the flexible membrane 2, completes display device.
Specifically, the both ends of the carrier band 3 are individually positioned between the lower folder portion and upper folder portion of the clamping group 62, and
For the placement for guaranteeing the carrier band 3, being spaced apart for the lower folder portion and the upper folder portion is made by the driving cylinder when beginning
A certain distance.When the both ends of the carrier band 3 are placed in the upper folder portion of two sides, the cylinder driving causes described
Lower folder portion rises and and then realizes clamping effect to the both ends of the carrier band 3.
For the flexible membrane 2 attached on the carrier band 3, the length dimension of the carrier band 3 is greater than the flexible membrane 2
Length dimension, it is described carrier band 3 width dimensions correspond to the flexible membrane 2 width dimensions, i.e., it is described carrier band 3 broad-ruler
The very little width dimensions for being equal or slightly larger than the flexible membrane 2.
The flexible membrane 2 is located at the center of the carrier band 3, and the long side two sides of the carrier band 3 can exceed after completing to attach
The long side two sides of the flexible membrane 2, consequently facilitating limitation is fixed by the clamp hand device 6 and the limiting device 7.
Preferably, the limited roller 71 should be moved to the suitable position with the fitting idler wheel 51, preferably, two institutes
The distance between limited roller 71 is stated less than the distance between corresponding described 1 liang of curved edge of curved surface cover sheet, to protect
When demonstrate,proving the fitting idler wheel 51 to curved edge rolling fitting, the carrier band 3 and the fitting idler wheel 51 are in close contact.
By the utility model the flexibility can be carried out for the curved surface cover sheet 1 with right angle or edge of acute angle
Film 2 is bonded, and makes gradually fitting of the flexible membrane 2 in the curved surface cover sheet 1, the flexible membrane 2 is avoided to be bonded
The bad defects such as bubble fold are generated in journey；Meanwhile avoided under the action of limiting device 72 end of flexible membrane and
First releasing at 1 marginal position of curved surface cover sheet, reduces the defective products of production.
The above is only the preferred embodiment of the present invention, is merely illustrative for the utility model, and
It is unrestricted.Those skilled in the art understand that can be to it in the spirit and scope defined by the utility model claims
Many changes, modifications, and even equivalents are carried out, but all will fall within the protection scope of the utility model.
Claims (10)
1. a kind of rolling device of Mobile phone screen, which is characterized in that including upper element and lower component, the lower component setting
There is flowing roller-way, curved surface cover sheet is fixed on the flowing roller-way, and the upper element is provided with flexible membrane, carries
Band；The flexible membrane is attached to the lower end surface of the carrier band；The curved surface cover sheet is provided with curved edge in long side, described
Angle between curved edge and the curved surface cover sheet is at right angles or acute angle；
The upper element further includes having mounting plate and laminating apparatus, and the laminating apparatus is arranged on the mounting plate；It is described
Laminating apparatus includes fitting idler wheel, vertical shift portion, first level moving portion；The first level moving portion drives the fitting
Idler wheel does the movement on vertical direction, and the first level moving portion drives the fitting idler wheel to do the movement in horizontal direction,
The fitting idler wheel can freely be rolled around central shaft；The mounting plate corresponds to the fitting idler wheel and is provided with fitting hole, described
The upper surface of the mounting plate is arranged in first level moving portion, and the vertical shift portion is connect with the first level device,
And the first vertical device setting is bonded in hole with described；
The upper element further includes clamp hand device, and the clamp hand device is arranged on the lower end surface of the mounting plate, and described
Clamp hand device is symmetricly set on the two sides in the fitting hole；Both ends of the clamp hand device to clamp the carrier band；
The upper element is additionally provided with limiting device, and the limiting device is arranged on the lower end surface of the mounting plate；It is described
Limiting device is provided with limited roller and second and moves horizontally portion；The limited roller can freely be rolled around central shaft, described
Second, which moves horizontally portion, can drive the limited roller to move horizontally；The limited roller is movable to the curved surface protection cap
The surface of plate.
2. the rolling device of Mobile phone screen as described in claim 1, which is characterized in that the limited roller and the fitting idler wheel
It is disposed as cylindrical type, and the limited roller and the fitting idler wheel are arranged in parallel；The limited roller and the fitting
Roller length cooperates the width of the carrier band to be arranged.
3. the rolling device of Mobile phone screen as described in claim 1, which is characterized in that the vertical shift portion, first water
Flat moving portion and second portion of moving horizontally are disposed as linear guide rail structure.
4. the rolling device of Mobile phone screen as described in claim 1, which is characterized in that the clamp hand device include clamp hand pedestal,
Clamp hand cylinder and clamping group, the clamp hand base runner are connected on two clamp hand guide rails；The clamp hand cylinder and the clamping group
It is arranged on the clamp hand pedestal, the clamp hand cylinder is fixedly connected with the clamping group, described in the clamp hand cylinder control
The holding action of clamping group.
5. the rolling device of Mobile phone screen as claimed in claim 4, which is characterized in that the clamp hand pedestal is set as plate, institute
It states fitting idler wheel to be arranged between the two clamping groups, the side of the clamp hand pedestal is provided with clamp hand motor, the clamp hand horse
Up to being fixed on the mounting plate, the output shaft of the clamp hand motor is fixedly connected with the corresponding clamp hand pedestal.
6. the rolling device of Mobile phone screen as claimed in claim 5, which is characterized in that the output shaft of the clamp hand motor with it is described
The connection of clamp hand base thread.
7. the rolling device of Mobile phone screen as claimed in claim 4, which is characterized in that the clamping group includes being fixed on the folder
Upper folder portion on hand pedestal and the upper folder portion can be fixed on the lower folder portion of the upper folder portion relative movement, the cylinder
Side, the telescopic rod end of the cylinder are fixedly connected with the lower folder portion.
8. the rolling device of Mobile phone screen as claimed in claim 7, which is characterized in that the upper folder portion and the lower folder portion face
Clamping face on be provided with connection protrusion.
9. the rolling device of Mobile phone screen as described in claim 1, which is characterized in that the carrier band uses flexible material, described
Flexible membrane is set as one of flexible display screen, flexible touch screen, flexible heat sink；The curved surface cover sheet is glass material
One of matter, plastic material, ceramic material.
10. the rolling device of Mobile phone screen as described in claim 1, which is characterized in that the limited roller is moved to the song
When the surface of face cover sheet, the distance between two described limited rollers are less than the corresponding curved surface cover sheet two and are bent
The distance between edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822149732.3U CN209633978U (en) | 2018-12-17 | 2018-12-17 | A kind of rolling device of Mobile phone screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822149732.3U CN209633978U (en) | 2018-12-17 | 2018-12-17 | A kind of rolling device of Mobile phone screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209633978U true CN209633978U (en) | 2019-11-15 |
Family
ID=68475078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822149732.3U Active CN209633978U (en) | 2018-12-17 | 2018-12-17 | A kind of rolling device of Mobile phone screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209633978U (en) |
-
2018
- 2018-12-17 CN CN201822149732.3U patent/CN209633978U/en active Active
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Effective date of registration: 20201211 Address after: 210000 Xingmin Industrial Park, 128 Keyuan Road, Jiangning District, Nanjing City, Jiangsu Province Patentee after: Nanjing Yanli Electronic Technology Co., Ltd Address before: 210000 Keyuan Road, Jiangning District, Nanjing City, Jiangsu Province 128 Patentee before: Wang Hengkun |