CN112253611A - Double-connecting-rod rotary U-shaped inward-folding rotary mechanism - Google Patents
Double-connecting-rod rotary U-shaped inward-folding rotary mechanism Download PDFInfo
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- CN112253611A CN112253611A CN202011234701.3A CN202011234701A CN112253611A CN 112253611 A CN112253611 A CN 112253611A CN 202011234701 A CN202011234701 A CN 202011234701A CN 112253611 A CN112253611 A CN 112253611A
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- connecting hole
- rod
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- 230000007246 mechanism Effects 0.000 title claims abstract description 30
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 238000005452 bending Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/10—Arrangements for locking
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/12—Pivotal connections incorporating flexible connections, e.g. leaf springs
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a double-connecting-rod rotating U-shaped inward-folding rotating mechanism which comprises a rotating shaft, wherein the rotating shaft comprises a rotating mechanism, the rotating mechanism comprises a fixed frame and two groups of rotating frames which are connected with the fixed frame in a left-right rotating mode, a double-connecting-rod unit for realizing rotation is arranged between the fixed frame and the rotating frames, and the double-connecting-rod unit consists of a first connecting rod and a second connecting rod; the fixing frame is provided with a curve groove and a limiting port, a first rotating column is arranged in the limiting port, a first connecting shaft and a first sliding column are arranged on the rotating frame, the first connecting rod is provided with a linear sliding groove, a first connecting hole and a second connecting column, and the second connecting rod is provided with a second sliding column, a second connecting hole and a third connecting hole; the first connecting shaft is rotatably connected with the first connecting hole, the first rotating column is rotatably connected with the second connecting hole, and the second connecting column is rotatably connected with the third connecting hole; the second sliding column slides in the linear sliding groove, and the first sliding column slides in the curve groove to drive the rotating frame and the fixing frame to integrally open and close at 0-180 degrees and rotate.
Description
Technical Field
The invention relates to the technical field of rotating shaft design, in particular to an inward folding connecting shaft, and particularly relates to a double-connecting-rod rotating U-shaped inward folding rotating mechanism.
Background
At present, no matter be flat board, cell-phone or other take the electronic product of display screen, all be in the direction development to flexible screen, in the development of this technical field, the transition product that appears similar flexible screen function also is indispensable, so-called transition product is exactly that to realize that the double screen is folding, fold the effect through the double screen folding whole screen that reaches, at the in-process of buckling, do not have obvious breaching, wholly give the folding result of use of whole screen, test or feedback out the attitude that the consumer used to the screen is folded through this kind of mode.
To realize the technical effects, the biggest technical problem is directly transferred to the design technology of the rotating shaft from the design of the screen, how to realize the inward folding needs a special rotating mechanism, the possibility of rotating and folding is considered, the effectiveness of bilateral connection is further considered, and especially the problem of synchronous bending needs to be met.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a double-connecting-rod rotating U-shaped inward-folding rotating mechanism.
In order to achieve the purpose, the invention adopts the following technical scheme:
the U-shaped inward-folding rotating mechanism with double-connecting-rod rotation comprises a structure main body, wherein the structure main body comprises two groups of rotating shafts, each rotating shaft comprises a rotating mechanism, each rotating mechanism comprises a fixing frame and two groups of rotating frames which are connected with the fixing frame in a left-right rotating mode, a double-connecting-rod unit for realizing rotation is arranged between the fixing frame and the rotating frames, and each double-connecting-rod unit consists of a first connecting rod and a second connecting rod;
the two sides of the fixing frame are respectively provided with a curve groove and a limiting port, a first rotating column is arranged in the limiting port, a first connecting shaft and a first sliding column are arranged on the rotating frame, the first connecting rod is provided with a linear sliding groove, a first connecting hole and a second connecting hole, and the second connecting rod is provided with a second sliding column, a second connecting hole and a third connecting hole;
the first connecting shaft is rotatably connected with the first connecting hole, the first rotating column is rotatably connected with the second connecting hole and drives the second connecting rod to move in the limiting opening, and the second connecting column is rotatably connected with the third connecting hole;
the second sliding column slides in the linear sliding groove, and the first sliding column slides in the curve groove, so that the rotating motion of the double-connecting-rod unit is realized, and the rotating rack and the fixing frame are driven to integrally open and close at 0-180 degrees.
The rotating shaft comprises a synchronizing mechanism, the synchronizing mechanism comprises a connecting and positioning plate and a plurality of groups of gears and two groups of gear shafts, the plurality of positioning holes are formed in the connecting and positioning plate, the positioning holes are respectively connected with the gears in a positioning mode, the gears are meshed with the teeth on the gear shafts respectively to achieve synchronization, the gear shafts comprise connecting arms and third sliding columns arranged at the outer ends of the connecting arms, a transverse sliding groove is formed in one side of the rotating frame, and the third sliding columns slide in the transverse sliding groove in an auxiliary mode to achieve synchronization.
Particularly, a cam is arranged on the gear shaft, a concave wheel gasket is arranged on the cam in a connected mode, the cam and a concave wheel on the concave wheel gasket interact to realize clamping point support in a 180-degree state, a second fixing frame is arranged between the concave wheel gasket and the gear shaft, springs for realizing elasticity and torsion are arranged on the second fixing frame and the gear shaft respectively, and an end face fixing frame for fixedly packaging the springs is arranged at the outer ends of the springs.
Particularly, the structure main body further comprises a rotating shaft cover, and a shell for realizing connection and positioning and a plurality of groups of screws for realizing connection, fixation and locking are arranged on two sides of the rotating shaft cover.
The invention has the beneficial effects that: the double-connecting-rod rotating U-shaped inward-folding rotating mechanism provided by the invention is provided with double-connecting-rod units which are symmetrically distributed on two sides and matched with the fixed frame and the rotating frame, and the bending opening and closing of 0-180 degrees are realized through the sliding fit of the curved groove and the linear sliding groove respectively, so that the structural design is simple and effective, the application requirement of a flexible screen is met, and the resistance torque effect in bending of 0-180 degrees and the supporting screen effect in a 180-degree state are provided.
Drawings
FIG. 1 is an exploded view of the entire structure of the spindle according to the present invention.
FIG. 2 is a second exploded view of the whole structure of the spindle according to the present invention.
Fig. 3 is a schematic diagram of the motion track of the rotating shaft of the present invention.
Fig. 4 is a 90 degree state view of the spindle of the present invention.
FIG. 5 is a 180 degree view of the present invention.
FIG. 6 is a 0 degree state diagram of the spindle of the present invention.
Fig. 7 is a 180 degree state diagram of the rotation mechanism of the present invention.
Fig. 8 is a 90 degree state view of the rotating mechanism of the present invention.
FIG. 9 is a 90 degree connection diagram of the turret and the double link unit of the present invention.
FIG. 10 is a schematic view of the present invention showing a 90 degree position of the rotating frame and the fixing frame.
FIG. 11 is a schematic view of the rotating frame and the fixing frame at 0 degree of the present invention.
FIG. 12 is a 0 degree view of the dual link unit and the fixing frame according to the present invention.
Fig. 13 is a combination view of the dual link unit and the holder of the present invention.
Fig. 14 is an exploded view of the dual link unit and the holder of the present invention.
FIG. 15 is a schematic view of a double link unit of the present invention.
FIG. 16 is a schematic view of a first linkage of the present invention.
FIG. 17 is a schematic view of a second link structure according to the present invention.
FIG. 18 is a schematic structural view of the gear shaft of the present invention.
Fig. 19 is an exploded view of the structural body of the present invention.
FIG. 20 is a view showing the structure of the shaft and the shaft cover according to the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example 1:
in this embodiment, as shown in fig. 3, a is a stroke change of the flexible screen in the bending process, and B is a relationship between an angle change of the mechanism in the rotation process and a position change of the screen, that is, the constant length of sliding means that the relative position of the flexible screen and the rotating shaft 1 is not changed in the whole bending process, and the position adjustment in the bending process is satisfied through the mechanism change, so that the constant length of the flexible screen is not changed in the bending process.
As shown in fig. 1-20, the double-link rotating U-shaped inward-folding rotation mechanism 2 disclosed in this embodiment includes a main structure body, the main structure body includes two sets of rotation shafts 1, each rotation shaft 1 includes a rotation mechanism 2, each rotation mechanism 2 includes a fixing frame 3 and two sets of rotation frames 4 connected to the fixing frame 3 in a left-right rotation manner, a double-link unit 5 for realizing rotation is disposed between the fixing frame 3 and the rotation frames 4, and the double-link unit 5 is composed of a first link 6 and a second link 7; the two ends of the fixed frame 3 are provided with the rotating frames 4 which are rotatably connected, and the double-connecting-rod units 5 are arranged between the fixed frame 3 and the rotating frames 4 to drive the rotating frames 4 to bend relative to the fixed frame 3, namely when the rotating frames 4 are bent under stress, the first connecting rods 6 are linked with the second connecting rods 7, and meanwhile, the second connecting rods 7 move relative to the fixed frame 3 to realize bending.
The two sides of the fixed frame 3 are respectively provided with a curved groove 31 and a limiting opening 32, a first rotating column 33 is arranged in the limiting opening 32, the rotating frame 4 is provided with a first connecting shaft 41 and a first sliding column 42, the first connecting rod 6 is provided with a linear sliding groove 61, a first connecting hole 62 and a second connecting column 63, and the second connecting rod 7 is provided with a second sliding column 71, a second connecting hole 72 and a third connecting hole 73;
the first connecting shaft 41 is rotatably connected with the first connecting hole 62, that is, the rotating frame 4 is in stressed connection with the fixed frame 3 through the rotation of the first connecting shaft 41 and the first connecting hole 62, the first rotating column 33 is rotatably connected with the second connecting hole 72 and drives the second connecting rod 7 to move in the limiting port 32, that is, the rotating connection of the first rotating column 33 and the second connecting hole 72 directly acts the force of the rotating frame 4 on the fixed frame 3, and the fixed frame 3 is a relatively non-moving mechanism, so the second connecting column 63 is rotatably connected with the third connecting hole 73 to complete the stress, and therefore, the second sliding column 71 slides in the linear sliding groove 61, the motion switching is completed through the reciprocating motion of the second sliding column 71 in the linear sliding groove 61, and the first sliding column 42 slides in the curved groove 31, the movement track is limited, and the rotating motion of the double-connecting-rod unit 5 is realized, so that the rotating frame 4 and the fixing frame 3 are driven to integrally rotate in an opening and closing manner at 0-180 degrees.
The applicant states that a new method, which is generated by combining some steps of the above-mentioned embodiment with the technical solution of the summary part of the invention based on the above-mentioned embodiment, is also one of the description scope of the present invention, and other embodiments of these steps are not listed in the present application for the sake of brevity.
In the above embodiment, the rotating shaft 1 includes the synchronizing mechanism 8, the synchronizing mechanism 8 is composed of a connecting and positioning plate 9, a plurality of sets of gears 10 and two sets of gear shafts 11 disposed on one side of the connecting and positioning plate 9, the connecting and positioning plate 9 is provided with a plurality of positioning holes 91, the positioning holes 91 are respectively connected to the gears 10 in a positioning manner, the gears 10 and the latches on the gear shafts 11 are respectively engaged with each other to achieve synchronization, the gear shafts 11 include a connecting arm 111 and a third sliding column 112 disposed at an outer end of the connecting arm 111, one side of the rotating frame 4 is provided with the transverse sliding slot 43, and the third sliding column 112 slides in the transverse sliding slot 43 to achieve synchronization in an auxiliary. The gear shaft 11 is provided with a cam 12, the cam 12 is connected with a concave wheel gasket 13, the cam 12 and a concave wheel on the concave wheel gasket 13 interact to realize clamping point support at 180 degrees, a second fixing frame 14 is arranged between the concave wheel gasket 13 and the gear shaft 11, the second fixing frame 14 and the gear shaft 11 are respectively provided with a spring 15 for realizing elasticity and torsion, and the outer end of the spring 15 is provided with an end face fixing frame 16 for fixing and packaging the spring 15. The structure main body further comprises a rotating shaft cover 17, and a shell 18 for realizing connection and positioning and a plurality of groups of screws 19 for realizing connection, fixation and locking are arranged on two sides of the rotating shaft cover 17.
The applicant further states that the present invention is described in the above embodiments to explain the implementation method and device structure of the present invention, but the present invention is not limited to the above embodiments, i.e. it is not meant to imply that the present invention must rely on the above methods and structures to implement the present invention. It should be understood by those skilled in the art that any modifications to the present invention, the addition of equivalent alternatives to the embodiments of the present invention and steps, the selection of specific modes, etc., are within the scope of the present invention and the disclosure.
The technical principle of the embodiment is as follows:
the double-connecting-rod units 5 which are symmetrically distributed bilaterally are arranged in the fixed frame 3 and the rotating frame 4 to be matched, and the bending opening and closing of 0-180 degrees are realized through the sliding fit of the curved groove 31 and the linear sliding groove 61, so that the structural design is simple and effective, the application requirement of the flexible screen is met, and the resistance torque effect in bending of 0-180 degrees and the supporting screen effect in a 180-degree state are provided.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, so that the equivalent changes or modifications of the structure, features and principles of the present invention by those skilled in the art should fall within the protection scope of the present invention.
Claims (4)
1. Rotatory U type infolding slewing mechanism of two connecting rods, its characterized in that: the structure comprises a structure main body, wherein the structure main body comprises two groups of rotating shafts, each rotating shaft comprises a rotating mechanism, each rotating mechanism comprises a fixed frame and two groups of rotating frames which are connected with the fixed frames in a left-right rotating mode, a double-connecting-rod unit for realizing rotation is arranged between each fixed frame and each rotating frame, and each double-connecting-rod unit consists of a first connecting rod and a second connecting rod;
the two sides of the fixing frame are respectively provided with a curve groove and a limiting port, a first rotating column is arranged in the limiting port, a first connecting shaft and a first sliding column are arranged on the rotating frame, the first connecting rod is provided with a linear sliding groove, a first connecting hole and a second connecting hole, and the second connecting rod is provided with a second sliding column, a second connecting hole and a third connecting hole;
the first connecting shaft is rotatably connected with the first connecting hole, the first rotating column is rotatably connected with the second connecting hole and drives the second connecting rod to move in the limiting opening, and the second connecting column is rotatably connected with the third connecting hole;
the second sliding column slides in the linear sliding groove, and the first sliding column slides in the curve groove, so that the rotating motion of the double-connecting-rod unit is realized, and the rotating rack and the fixing frame are driven to integrally open and close at 0-180 degrees.
2. The double-link rotary U-shaped invagination rotation mechanism of claim 1, characterized in that:
the pivot includes lazytongs, lazytongs by connect the locating plate and set up in the multiunit gear and two sets of gear shafts of connect locating plate one side are constituteed, be equipped with a plurality of locating holes on the connect locating plate, the locating hole respectively with gear positioning connects, the gear with epaxial latch of gear realizes the synchronization respectively mutually meshed, the gear shaft include the linking arm and set up in the third sliding column of linking arm outer end, rotating turret one side is equipped with horizontal spout, the third sliding column is in supplementary realization is synchronous in sliding in the horizontal spout.
3. The double-link rotary U-shaped invagination rotation mechanism of claim 2, characterized in that:
the gear shaft is provided with a cam, the cam is connected with a concave wheel gasket, the cam and a concave wheel on the concave wheel gasket interact to realize clamping point support in a 180-degree state, a second fixing frame is arranged between the concave wheel gasket and the gear shaft, springs for realizing elasticity and torsion are arranged on the second fixing frame and the gear shaft respectively, and the outer end of each spring is provided with a terminal surface fixing frame for fixedly packaging the spring.
4. The double-link rotary U-shaped invagination rotation mechanism of claim 1, characterized in that:
the structure main body further comprises a rotating shaft cover, and the two sides of the rotating shaft cover are provided with a machine shell for realizing connection and positioning and a plurality of groups of screws for realizing connection, fixation and locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011234701.3A CN112253611A (en) | 2020-11-07 | 2020-11-07 | Double-connecting-rod rotary U-shaped inward-folding rotary mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011234701.3A CN112253611A (en) | 2020-11-07 | 2020-11-07 | Double-connecting-rod rotary U-shaped inward-folding rotary mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112253611A true CN112253611A (en) | 2021-01-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011234701.3A Withdrawn CN112253611A (en) | 2020-11-07 | 2020-11-07 | Double-connecting-rod rotary U-shaped inward-folding rotary mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112253611A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100071155A1 (en) * | 2005-08-02 | 2010-03-25 | Sanyo Electric Co., Ltd. | Foldable device |
| JP3179328U (en) * | 2012-03-27 | 2012-10-25 | 欣日興精密電子（蘇州）有限公司 | Hinge and electronic device equipped with the hinge |
| US20190179373A1 (en) * | 2016-06-07 | 2019-06-13 | Hangzhou Amphenol Phoenix Telecom Parts Co., Ltd. | Hinge and hinge device of mobile terminal with flexible screen, and mobile terminal with a flexible screen |
| CN110131299A (en) * | 2019-05-27 | 2019-08-16 | 东莞市劲丰电子有限公司 | Two-fold synchronous rotary mechanism inside and outside flexible screen |
| US20200103935A1 (en) * | 2018-09-27 | 2020-04-02 | Jarllytec Co.,Ltd. | Hinge module for a foldable type device |
| US20200233467A1 (en) * | 2017-02-16 | 2020-07-23 | Hangzhou Amphenol Phoenix Telecom Parts Co., Ltd. | Hinge for rotating part and a mobile terminal |
| CN111810523A (en) * | 2020-07-09 | 2020-10-23 | 东莞市劲丰电子有限公司 | Slide constant-length U-shaped internal-folding rotating mechanism |
| CN211778480U (en) * | 2019-11-13 | 2020-10-27 | 东莞市劲丰电子有限公司 | Outward-folding synchronous rotating mechanism with two crossed cross connecting rods and circular arcs combined |
| CN213929137U (en) * | 2020-11-07 | 2021-08-10 | 东莞市劲丰电子有限公司 | Double-connecting-rod rotary U-shaped inward-folding rotary mechanism |
-
2020
- 2020-11-07 CN CN202011234701.3A patent/CN112253611A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100071155A1 (en) * | 2005-08-02 | 2010-03-25 | Sanyo Electric Co., Ltd. | Foldable device |
| JP3179328U (en) * | 2012-03-27 | 2012-10-25 | 欣日興精密電子（蘇州）有限公司 | Hinge and electronic device equipped with the hinge |
| US20190179373A1 (en) * | 2016-06-07 | 2019-06-13 | Hangzhou Amphenol Phoenix Telecom Parts Co., Ltd. | Hinge and hinge device of mobile terminal with flexible screen, and mobile terminal with a flexible screen |
| US20200233467A1 (en) * | 2017-02-16 | 2020-07-23 | Hangzhou Amphenol Phoenix Telecom Parts Co., Ltd. | Hinge for rotating part and a mobile terminal |
| US20200103935A1 (en) * | 2018-09-27 | 2020-04-02 | Jarllytec Co.,Ltd. | Hinge module for a foldable type device |
| CN110131299A (en) * | 2019-05-27 | 2019-08-16 | 东莞市劲丰电子有限公司 | Two-fold synchronous rotary mechanism inside and outside flexible screen |
| CN211778480U (en) * | 2019-11-13 | 2020-10-27 | 东莞市劲丰电子有限公司 | Outward-folding synchronous rotating mechanism with two crossed cross connecting rods and circular arcs combined |
| CN111810523A (en) * | 2020-07-09 | 2020-10-23 | 东莞市劲丰电子有限公司 | Slide constant-length U-shaped internal-folding rotating mechanism |
| CN213929137U (en) * | 2020-11-07 | 2021-08-10 | 东莞市劲丰电子有限公司 | Double-connecting-rod rotary U-shaped inward-folding rotary mechanism |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: No. 2, Shangli Road, Shipai Town, Dongguan City, Guangdong Province, 523000 Applicant after: DONGGUAN JINFENG ELECTRONIC Co.,Ltd. Address before: 523000 Puxin Industrial Zone, Shipai Town, Dongguan City, Guangdong Province Applicant before: DONGGUAN JINFENG ELECTRONIC Co.,Ltd. |
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| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20210122 |