CN210118598U - Mute support for electronic product - Google Patents
Mute support for electronic product Download PDFInfo
- Publication number
- CN210118598U CN210118598U CN201920751066.2U CN201920751066U CN210118598U CN 210118598 U CN210118598 U CN 210118598U CN 201920751066 U CN201920751066 U CN 201920751066U CN 210118598 U CN210118598 U CN 210118598U
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- arm
- clamping arm
- base
- support
- electronic products
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- 230000007246 mechanism Effects 0.000 claims abstract description 60
- 239000002184 metal Substances 0.000 claims description 14
- 230000002159 abnormal effect Effects 0.000 claims description 9
- 239000011435 rock Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 239000000463 material Substances 0.000 description 5
- 230000009467 reduction Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model discloses a mute support for electronic products, which comprises a base, a clamping mechanism movably arranged on the base and used for clamping the electronic products, and an elastic element used for driving the clamping mechanism to reset, wherein the clamping mechanism comprises a left clamping arm, a right clamping arm and a bottom supporting arm, and the left clamping arm, the right clamping arm and the bottom supporting arm are linked with each other; a positioning mechanism for fixing the left clamping arm, the right clamping arm and the bottom supporting arm to reduce noise caused by vibration is arranged between the clamping mechanism and the base or between the left clamping arm, the right clamping arm and the bottom supporting arm; the resilient member is connected between the base and the clamping mechanism. By this, through set up between fixture and the base or left arm lock, right arm lock and the bottom sprag arm of support and be used for carrying out the positioning mechanism who fixes left arm lock, right arm lock and bottom sprag arm to play support silence effect, make the use experience nature of support better.
Description
Technical Field
The utility model belongs to the technical field of the support field technique for the electronic product and specifically relates to indicate a silence support for electronic product.
Background
With the increasing powerful functions of the mobile phone, the mobile phone is used more and more in the automobile, and used for navigation or other purposes. At this time, a mobile phone fixing device is needed to fix the mobile phone for driving safety and mobile phone safety. When the vehicle-mounted mobile phone support with the structure is in an idle state, the clamping arms are usually movable due to the adoption of spring reset, the clamping arms shake due to bumping during the running of a vehicle to generate obvious abnormal sound, and the spring is easy to have poor elasticity or even fracture after being used for a period of time. Meanwhile, the product has a complex structure, a plurality of assembling procedures, high noise during movement and poor use effect.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a mute support for electronic products, which is used to fix a positioning mechanism between a clamping mechanism and a base of the support or between a left arm lock, a right arm lock and a bottom support arm, so as to achieve a mute effect of the support and improve the experience of the support.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a mute support for electronic products comprises a base, a clamping mechanism movably arranged on the base and used for clamping the electronic products, an elastic element used for driving the clamping mechanism to reset and a positioning mechanism used for positioning the clamping mechanism and preventing the clamping mechanism from shaking so as to reduce abnormal sound, wherein the clamping mechanism comprises a left clamping arm, a right clamping arm and a bottom supporting arm, and the left clamping arm, the right clamping arm and the bottom supporting arm are linked with each other; the elastic element is connected between the base and the clamping mechanism; the positioning mechanism is arranged between the clamping mechanism and the base or between the left clamping arm, the right clamping arm and the bottom supporting arm.
As a preferred embodiment: the positioning mechanism comprises a metal block or a magnet arranged on the clamping mechanism and a magnet or a metal block correspondingly arranged on the inner wall of the base, the metal block or the magnet on the clamping mechanism is at least arranged on one of the left clamping arm, the right clamping arm and the bottom supporting arm, and at least one side of the inner wall of the base is correspondingly provided with the magnet or the metal block.
As a preferred embodiment: the positioning mechanism comprises elastic pushing modules arranged on two sides inside the base, and the elastic pushing modules are located below the left clamping arm and the right clamping arm and are elastically abutted against the left clamping arm and the right clamping arm upwards.
As a preferred embodiment: the elastic pushing module comprises a spring and a pushing piece, wherein two containing grooves are formed in two sides of the interior of the base respectively, the spring is arranged in the containing grooves, the pushing piece is located above the spring and is abutted between the pushing piece and the bottom wall of the containing grooves, and the upper end of the pushing piece is elastically abutted with the lower edges of the left clamping arm and the right clamping arm.
As a preferred embodiment: the positioning mechanism is an upper supporting piece, the middle part of the upper supporting piece is fixed on the bottom supporting arm, two ends of the upper supporting piece extend out of the bottom supporting arm and are bent upwards to form a butting part, and the two butting parts are respectively correspondingly butted with the lower edges of the left clamping arm and the right clamping arm.
As a preferred embodiment: the left clamping arm and the right clamping arm can be respectively installed on the base in a transverse sliding mode, a left rack is arranged on the left clamping arm, a right rack is arranged on the right clamping arm, and a vertical rack is arranged on the bottom supporting arm; a gear is rotatably arranged in the base, the lower end of the gear is respectively meshed with the left rack and the right rack, and the upper end of the gear is meshed with the vertical rack.
As a preferred embodiment: the elastic element is a torsion spring which is connected between the gear and the inner wall of the base.
As a preferred embodiment: the elastic element is a pressure spring, a vertical groove is formed in the bottom supporting arm, a limiting block is arranged on the base and extends into the bottom of the vertical groove, and the pressure spring is abutted between the limiting block and the top wall of the vertical groove.
As a preferred embodiment: the elastic element is a tension spring which is connected between the upper end of the bottom supporting arm and the inner wall of the top of the base.
As a preferred embodiment: left side arm lock and right arm lock upper surface or fixture upper surface cover have one and are used for preventing that fixture rocks around to reduce the shrouding of abnormal sound.
As a preferred embodiment: the upper end of the pushing piece is provided with a soft rubber block which is used for being in flexible contact with the left clamping arm and the right clamping arm so as to reduce noise.
As a preferred embodiment: the upper end of the abutting part is provided with a soft rubber block which is used for being in flexible contact with the left clamping arm and the right clamping arm so as to reduce noise.
As a preferred embodiment: the base is provided with a wireless charging module for wirelessly charging the electronic product.
Compared with the prior art, the utility model have obvious advantage and beneficial effect, particularly, can know by above-mentioned technical scheme, be used for fixing the positioning mechanism that arouses the noise in order to reduce vibrations in order to reduce the support noise through setting up between the fixture of support and the base or between left arm lock, right arm lock and the bottom sprag arm to play the silence effect, make the use experience nature of support better. And the support has simple integral structure and is easy to assemble and produce.
To more clearly illustrate the structural features and effects of the present invention, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a perspective view of a first bracket of the present invention;
FIG. 2 is a schematic view of the internal structure of the bracket base of the present invention;
FIG. 3 is a schematic view of the internal structure of the bracket when the elastic element of the present invention is a compression spring;
FIG. 4 is a schematic view of the internal structure of the bracket when the elastic element of the present invention is a tension spring;
FIG. 5 is a schematic view of the internal structure of the bracket when the elastic element of the present invention is a torsion spring;
FIG. 6 is an exploded perspective view of FIG. 5;
FIG. 7 is a schematic view of the structure of the cover plate of the clamping mechanism of the present invention;
FIG. 8 is a perspective view of a second bracket according to the present invention;
FIG. 9 is a schematic view of the fixed positioning mechanism of the present invention;
FIG. 10 is a schematic view of the floating positioning mechanism of the present invention;
FIG. 11 is a schematic perspective view of the top bracket and the bottom support arm of the present invention;
fig. 12 is a perspective view of fig. 11 from another angle.
The attached drawings indicate the following:
10. base 11, front shell
12. Rear shell 13 and limiting column
14. Limiting block 15 and fixing seat
16. Accommodating groove 20 and clamping mechanism
21. Left arm lock 211 and left rack
212. Left limiting groove 22 and right clamping arm
221. Right rack 222 and right limit groove
23. Bottom support arm 231, jack
232. Plug column 233 and vertical rack
234. Vertical groove 24 and gear
30. Elastic element 40 and positioning mechanism
41. A first point 42 and a second point
43. Elastic pushing module 431 and spring
432. Ejector 44 and upper support
441. Plug column 442 and plug hole
443. An abutting portion 50 and a sealing plate.
Detailed Description
The utility model discloses as shown in fig. 1 to fig. 12, a silence support for electronic product, including base 10, movable installation be used for centre gripping electronic product's fixture 20 on base 10, be used for driving fixture 20 elastic element 30 that resets and be used for fixing a position fixture 20 and prevent that it rocks positioning mechanism 40 in order to reduce the abnormal sound, wherein:
the base 10 includes a front shell 11 and a rear shell 12 detachably engaged with each other, a limiting post 13 is disposed on each of the left and right sides of the base 10, and a limiting block 14 is disposed at the bottom of the base 10. A fixing seat 15 for fixing the bracket is arranged on the rear side wall of the rear shell 12. And a wireless charging module for wirelessly charging the electronic product is arranged on the base 10.
The clamping mechanism 20 comprises a left clamping arm 21, a right clamping arm 22 and a bottom supporting arm 23, wherein the left clamping arm 21, the right clamping arm 22 and the bottom supporting arm 23 are linked with each other; the positioning mechanism 40 is disposed between the clamping mechanism 20 and the base 10 or between the left clamping arm 21, the right clamping arm 22 and the bottom supporting arm 23 for fixing the left clamping arm 21, the right clamping arm 22 and the bottom supporting arm 23 to reduce noise caused by vibration; the elastic member 30 is connected between the base 10 and the chucking mechanism 20.
The positioning mechanism 40 may have several forms, but is not limited to the following:
the first positioning mechanism 40 (not shown in the figures) includes a metal block or magnet (first point 41) disposed on the left arm 21, the right arm 22 and the bottom support arm 23, and a magnet or metal block (second point 42) disposed on the base 10 corresponding to the metal block or magnet on the left arm 21, the right arm 22 and the bottom support arm 23; specifically, the upper surfaces of the left clamping arm 21, the right clamping arm 22 and the bottom supporting arm 23 are respectively provided with a metal block or a magnet point location, the inner wall of the base 10 is provided with a magnet or a metal block corresponding to the point location, and the first point location 41 and the second point location 42 are respectively distributed in a triangular shape, so as to realize three-point location (the first point location 41 can be only arranged on one of the left clamping arm 21, the right clamping arm 22 and the bottom supporting arm 23, and the inner wall of the base 10 is correspondingly provided with a second point location 42, so as to realize one-point location; the first point location 41 can also be respectively arranged on two of the left clamping arm 21, the right clamping arm 22 and the bottom supporting arm 23, and the two second point locations 42 are correspondingly arranged on. It should be noted that the first points 41 on the left arm 21, the right arm 22 and the bottom support arm 23 and the corresponding second points 42 on the inner wall of the base 10 correspond to each other one by one, and at least the first point 41 or the second point 42 is a magnet or the first point 41 and the second point 42 are both magnets. In addition, the three second points 42 on the base 10 correspond to the extreme positions of the outward sliding of the left and right clamp arms 21 and 22 and the extreme positions of the upward sliding of the bottom support arm 23 (no-load state), that is, the magnets and the metal members or the magnets and the magnets of the three points are attracted to each other in the no-load state of the rack, so as to reduce the noise generated by the vibration when the rack is in no-load. The first positioning mechanism 40 is used with the stent shown in fig. 2-7.
Second, the positioning mechanism 40 includes elastic pushing modules 43 disposed at two sides inside the base 10, as shown in fig. 9, the elastic pushing modules 43 are located below the left clamping arm 21 and the right clamping arm 22, and elastically abut against the left clamping arm 21 and the right clamping arm 22 upwards. The elastic pushing module 43 includes a spring 431 and a pushing member 432, two receiving slots 16 are respectively disposed on two sides inside the base 10, the spring 431 is disposed in the receiving slot 16, the pushing member 432 is disposed above the spring 431, the spring 431 is abutted between the pushing member 432 and the bottom wall of the receiving slot 16, the upper end of the pushing member 432 is elastically abutted to the lower edges of the left arm lock 21 and the right arm lock 22 (the pushing member 432 may be a POM material or other materials, and a soft rubber block may be disposed on the upper end of the pushing member 432, the soft rubber block may be a silica gel, a TPU or an EVA material, so as to flexibly contact with the left arm lock 21 and the right arm lock 22, reduce left and right vibration of the arm lock, and reduce noise). The positioning mechanism 40 adopts a mechanical fixed type noise reduction mode, and the two elastic pushing modules 43 push the left clamping arm 21 and the right clamping arm 22 upwards in real time, so that the left clamping arm 21 and the right clamping arm 22 always tend to be upwards, collision between the left clamping arm 21 and the right clamping arm 22 and the base 10 is avoided, and the positioning mechanism can play a role in reducing noise under the condition that a support is idle or a mobile phone is clamped.
Third, the positioning mechanism 40 is an upper supporting member 44, as shown in fig. 10-12, the middle portion of the upper supporting member 44 is detachable (the middle portion of the upper supporting member 44 is provided with an inserting-connecting post 441 and an inserting-connecting hole 442, the bottom supporting arm 23 is correspondingly provided with an inserting-connecting hole 231 and an inserting-connecting post 232, the inserting-connecting post 441 on the upper supporting member 44 is matched with the inserting-connecting hole 231 on the bottom supporting arm 23, the inserting-connecting hole 442 on the upper supporting member 44 is matched with the inserting-connecting post 441 on the bottom supporting arm 23), the two ends of the upper supporting member 44 extend out of the bottom supporting arm 23 and are bent upwards to form an abutting portion 443, the two abutting portions 443 are respectively abutted against the lower edges of the left clamping arm 21 and the right clamping arm 22 correspondingly (the abutting portion 443 may be a POM material or other materials, and a soft rubber block may be provided at the upper end of the abutting portion 443, the soft rubber block may be a silica gel, to reduce noise). After the bottom supporting arm 23 is reset upwards, the abutting portions 443 at the two ends of the upper supporting piece 44 can lift the left clamping arm 21 and the right clamping arm 22 upwards to avoid collision with the base 10, and the positioning mechanism 40 adopts mechanical floating type noise reduction and is mainly used for reducing abnormal sound under the condition that the support is in no-load.
The clamping mechanism 20 may be in various forms, and the following forms are adopted in the present application:
the left clamping arm 21 and the right clamping arm 22 can be transversely and slidably mounted on the base 10 respectively, a left rack 211 and a left limiting groove 212 are arranged on the left clamping arm 21, a right rack 221 and a right limiting groove 222 are arranged on the right clamping arm 22, a vertical rack 233 is arranged on the bottom supporting arm 23, and the left limiting groove 212 and the right limiting groove 222 are respectively matched with the limiting column 14 in the base 10 correspondingly so as to limit the transverse sliding of the left clamping arm 21 and the right clamping arm 22; a gear 24 is rotatably installed in the base 10, the lower end of the gear 24 is respectively meshed with the left rack 211 and the right rack 221, and the upper end of the gear 24 is meshed with the vertical rack 233; the elastic member 30 is a torsion spring, as shown in fig. 5 to 6, which is connected between the gear 24 and the inner wall of the base 10. The elastic element 30 may also be a compression spring, as shown in fig. 3, a vertical groove 234 is formed on the bottom supporting arm 23, the limiting block 14 on the base 10 extends into the bottom of the vertical groove 234, and the compression spring abuts between the limiting block 14 and the top wall of the vertical groove 234. The elastic member 30 may be a tension spring, as shown in fig. 4, connected between the upper end of the bottom support arm 23 and the inner wall of the top of the base 10.
The clamping mechanism 20 can also be distributed in a Y-shaped structure (the lower ends of the left clamping arm 21 and the right clamping arm 22 are respectively hinged with the upper end of the bottom supporting arm 23), and the first positioning mechanism 40 (magnetic attraction mode) can be adopted in the form to reduce abnormal sound.
In addition, in order to further reduce the noise of the bracket, a sealing plate 50 for preventing the clamping mechanism 20 from shaking back and forth is covered on the upper surfaces of the left clamping arm 21 and the right clamping arm 22 or on the upper surface of the whole clamping mechanism 20, and the sealing plate 50 can limit the left clamping arm 21, the right clamping arm 22 and the bottom supporting arm 23 in the longitudinal direction on one hand; on the other hand, the internal gap of the bracket can be reduced, the abnormal sound source is shielded, and the noise reduction effect is achieved.
The use method and the working principle of the bracket are as follows: when the mobile phone is placed, the gravity of the mobile phone overcomes the elasticity of the elastic element to enable the bottom supporting arm to slide downwards, the left clamping arm and the right clamping arm are driven to fold through gear linkage to clamp the mobile phone, and the second mechanical noise reduction mode can reduce the noise of the support caused by vibration when the support is folded. After the mobile phone is taken out, the elastic element enables the gear to rotate or the bottom supporting arm to slide upwards, the gear is linked to drive the left clamping arm and the right clamping arm to be opened, and the first positioning mechanism, the second positioning mechanism and the third positioning mechanism can play a role in reducing abnormal sound when the support is opened.
The utility model discloses a design is emphasized, through set up between the fixture of support and the base or left arm lock, right arm lock and bottom sprag arm and be used for fixing the positioning mechanism that arouses the noise in order to reduce vibrations in order to reduce the support noise to play the silence effect, make the use experience nature of support better. And the support has simple integral structure and is easy to assemble and produce.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (13)
1. The utility model provides a silence support for electronic product which characterized in that: the clamping mechanism comprises a left clamping arm, a right clamping arm and a bottom supporting arm, wherein the left clamping arm, the right clamping arm and the bottom supporting arm are linked with each other; the elastic element is connected between the base and the clamping mechanism; the positioning mechanism is arranged between the clamping mechanism and the base or between the left clamping arm, the right clamping arm and the bottom supporting arm.
2. The mute support for electronic products according to claim 1, wherein: the positioning mechanism comprises a metal block or a magnet arranged on the clamping mechanism and a magnet or a metal block correspondingly arranged on the inner wall of the base, the metal block or the magnet on the clamping mechanism is at least arranged on one of the left clamping arm, the right clamping arm and the bottom supporting arm, and at least one side of the inner wall of the base is correspondingly provided with the magnet or the metal block.
3. The mute support for electronic products according to claim 1, wherein: the positioning mechanism comprises elastic pushing modules arranged on two sides inside the base, and the elastic pushing modules are located below the left clamping arm and the right clamping arm and are elastically abutted against the left clamping arm and the right clamping arm upwards.
4. A mute support for electronic products according to claim 3, wherein: the elastic pushing module comprises a spring and a pushing piece, wherein two containing grooves are formed in two sides of the interior of the base respectively, the spring is arranged in the containing grooves, the pushing piece is located above the spring and is abutted between the pushing piece and the bottom wall of the containing grooves, and the upper end of the pushing piece is elastically abutted with the lower edges of the left clamping arm and the right clamping arm.
5. The mute support for electronic products according to claim 1, wherein: the positioning mechanism is an upper supporting piece, the middle part of the upper supporting piece is fixed on the bottom supporting arm, two ends of the upper supporting piece extend out of the bottom supporting arm and are bent upwards to form a butting part, and the two butting parts are respectively correspondingly butted with the lower edges of the left clamping arm and the right clamping arm.
6. The mute support for electronic products according to claim 1, wherein: the left clamping arm and the right clamping arm can be respectively installed on the base in a transverse sliding mode, a left rack is arranged on the left clamping arm, a right rack is arranged on the right clamping arm, and a vertical rack is arranged on the bottom supporting arm; a gear is rotatably arranged in the base, the lower end of the gear is respectively meshed with the left rack and the right rack, and the upper end of the gear is meshed with the vertical rack.
7. The mute support for electronic products according to claim 6, wherein: the elastic element is a torsion spring which is connected between the gear and the inner wall of the base.
8. The mute support for electronic products according to claim 6, wherein: the elastic element is a pressure spring, a vertical groove is formed in the bottom supporting arm, a limiting block is arranged on the base and extends into the bottom of the vertical groove, and the pressure spring is abutted between the limiting block and the top wall of the vertical groove.
9. The mute support for electronic products according to claim 6, wherein: the elastic element is a tension spring which is connected between the upper end of the bottom supporting arm and the inner wall of the top of the base.
10. The mute support for electronic products according to claim 1, wherein: left side arm lock and right arm lock upper surface or fixture upper surface cover have one and are used for preventing that fixture rocks around to reduce the shrouding of abnormal sound.
11. The mute support for electronic products according to claim 4, wherein: the upper end of the pushing piece is provided with a soft rubber block which is used for being in flexible contact with the left clamping arm and the right clamping arm so as to reduce noise.
12. The mute support for electronic products according to claim 5, wherein: the upper end of the abutting part is provided with a soft rubber block which is used for being in flexible contact with the left clamping arm and the right clamping arm so as to reduce noise.
13. The mute support for electronic products according to claim 1, wherein: the base is provided with a wireless charging module for wirelessly charging the electronic product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920751066.2U CN210118598U (en) | 2019-05-23 | 2019-05-23 | Mute support for electronic product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920751066.2U CN210118598U (en) | 2019-05-23 | 2019-05-23 | Mute support for electronic product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210118598U true CN210118598U (en) | 2020-02-28 |
Family
ID=69614667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920751066.2U Expired - Fee Related CN210118598U (en) | 2019-05-23 | 2019-05-23 | Mute support for electronic product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210118598U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067915A (en) * | 2019-05-23 | 2019-07-30 | 深圳市安耐佳科技有限公司 | The mute bracket of use for electronic products |
| CN113415243A (en) * | 2021-08-02 | 2021-09-21 | 重庆工业职业技术学院 | Vehicle seat convenient for placing handheld multimedia equipment |
| CN113442839A (en) * | 2021-08-02 | 2021-09-28 | 重庆工业职业技术学院 | Chair with handheld multimedia brace |
-
2019
- 2019-05-23 CN CN201920751066.2U patent/CN210118598U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067915A (en) * | 2019-05-23 | 2019-07-30 | 深圳市安耐佳科技有限公司 | The mute bracket of use for electronic products |
| CN110067915B (en) * | 2019-05-23 | 2023-03-24 | 深圳市安耐佳电子有限公司 | Mute support for electronic product |
| CN113415243A (en) * | 2021-08-02 | 2021-09-21 | 重庆工业职业技术学院 | Vehicle seat convenient for placing handheld multimedia equipment |
| CN113442839A (en) * | 2021-08-02 | 2021-09-28 | 重庆工业职业技术学院 | Chair with handheld multimedia brace |
| CN113442839B (en) * | 2021-08-02 | 2022-07-15 | 重庆工业职业技术学院 | Chair with handheld multimedia brace |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200228 |