CN108023217A - New type of plate card insertion head connector - Google Patents
New type of plate card insertion head connector Download PDFInfo
- Publication number
- CN108023217A CN108023217A CN201610960816.8A CN201610960816A CN108023217A CN 108023217 A CN108023217 A CN 108023217A CN 201610960816 A CN201610960816 A CN 201610960816A CN 108023217 A CN108023217 A CN 108023217A
- Authority
- CN
- China
- Prior art keywords
- signal
- installation base
- base plate
- protecgulum
- new type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/514—Bases; Cases composed as a modular blocks or assembly, i.e. composed of co-operating parts provided with contact members or holding contact members between them
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/03—Contact members characterised by the material, e.g. plating, or coating materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
- H01R13/6473—Impedance matching
- H01R13/6474—Impedance matching by variation of conductive properties, e.g. by dimension variations
Abstract
The present invention discloses a kind of new type of plate card insertion head connector, includes multiple link blocks, a protecgulum and a head cover；Each link block includes an installation base plate, multiple signal terminals, an insulating arthropleura and a ground connection side cover；The protecgulum is fixed on the front end of multiple link blocks, the leading flank of protecgulum is provided with multiple signal jacks and multiple earth jacks, multiple link blocks that are superimposed together side by side are fixed together by this product using protecgulum and head cover, and each link block is made of an installation base plate, multiple signal terminals, an insulating arthropleura and a ground connection side cover, it is simple in structure, it is easy to make shaping, beneficial to raising production efficiency, reduce cost, and signal terminal uses two signal contact sites, contact is more reliable and more stable, and shield effectiveness is good；And most suitable material is selected, the technical indicator such as the contact resistance of product, differential impedance, crosstalk, insertion loss complies fully with requirement, and product performance is more preferably.
Description
Technical field
The present invention relates to electric connector field technology, refers in particular to a kind of new type of plate card insertion head connector.
Background technology
Connector be it is a kind of be blocked or isolated between obstructed circuit in circuit, erect the bridge of communication so that
Current flowing, makes circuit realize the component of predetermined function, connector is indispensable component in electronic equipment, with application
The differences such as object, frequency, function, application environment, connector form and structure are ever-changing.Board plug connector is numerous companies
One kind in device is connect, it is mainly used in communication server, and current this board plug connector is primarily present following defect：
1st, the uniformity of communication data is difficult to ensure that mostly, and effect is undesirable, loose contact, and high expensive, complicated, system
Make difficult forming.
2nd, the technical indicator such as the contact resistance of part board plug connector, differential impedance, crosstalk, insertion loss can not expire
Foot, particularly signal connection not Chang, and shielding properties is bad, and electric conductivity are weak, hardware terminal oxidation, and signal communication is poor.
Therefore, it is necessary to current board plug connector is improved.
The content of the invention
In view of this, in view of the deficiencies of the prior art, the present invention aims to provide a kind of new type of plate card insertion
Head connector, it has the characteristics that simple in structure, performance is good.
To achieve the above object, the present invention is using following technical solution：
A kind of new type of plate card insertion head connector, includes multiple link blocks, a protecgulum and a head cover；
The plurality of link block is superimposed together side by side, each link block include an installation base plate, multiple signal terminals,
One insulating arthropleura and a ground connection side cover；Extend grab of going forward, rear grab and locating piece, the positioning at the top of the installation base plate
Block, which is located at, goes forward between grab and rear grab, and the bottom of installation base plate, which is extended, lower preceding grab, the first side of installation base plate
Recessed multiple embedding slots, the plurality of embedding slot are intervally arranged up and down, and the plurality of signal terminal is embedded in corresponding embedding slot respectively,
The front end of each signal terminal is respectively provided with two signal contact sites, formed with signal slot, each signal between two signal contact sites
Terminal is respectively provided with a signal weld part, and the signal weld part time interval arrangement of the plurality of signal terminal simultaneously stretches out installation base plate
Bottom；The insulating arthropleura is fixed in the first side of installation base plate, and insulating arthropleura compresses and covers each signal terminal；Should
Ground connection side cover is fixed in the second side of installation base plate, and the cephalolateral margin for being grounded side cover has extended anteriorly out multiple grounding elastic parts,
The plurality of contact flat spring is intervally arranged up and down, formed with connecing between the inner side of each contact flat spring and the second side of installation base plate
Ground slot, the bottom side edge for being grounded side cover extend downwardly out multiple ground connection weld parts, the plurality of ground connection weld part time interval row
Cloth；
The protecgulum is fixed on the front end of multiple link blocks, and the leading flank of protecgulum is provided with multiple signal jacks and multiple ground connection are inserted
Hole, the plurality of signal jack are opposite to each other with corresponding signal slot, and the plurality of earth jack is grounded slot each other with corresponding
Face, is provided with multiple upper card holes at the top of protecgulum, the plurality of upper card hole and corresponding link block go forward to be buckled it is snapped into one another
Connection is fixed, and the bottom of protecgulum is provided with multiple lower card holes, and the lower preceding grab of the plurality of lower card hole and corresponding link block is each other
Snap connection fixation；
The head cover is fixed on the top of multiple link blocks, and multiple locating slots and multiple rear bayonets are provided with head cover, foregoing fixed
Position block with corresponding locating slot each other to inserting positioning, with corresponding rear grab connection snapped into one another fix by the plurality of rear bayonet.
Preferably, the tail end of the embedding slot, which laterally extends, the first fixed column, and first is provided with the signal terminal
Mounting hole, first fixed column are inserted into the first mounting hole.
Preferably, the feather edge of the insulating arthropleura is provided with multiple second mounting holes, first fixed column tightly insertion pair
In the second mounting hole answered.
Preferably, the first side of the installation base plate, which is extended, multiple second fixed columns, is set on the insulating arthropleura
There are multiple 3rd mounting holes, the plurality of second fixed column is tightly inserted into corresponding 3rd mounting hole.
Preferably, described to go forward grab downward, the rear grab is upward.
Preferably, the periphery bending of the ground connection side cover extends and has multiple fixinig plates, accordingly, the of the installation base plate
Two side faces are concavely provided with multiple fixing grooves, and the plurality of fixinig plate is tightly inserted into corresponding fixing groove.
Preferably, the locating piece is inverted T shaped that accordingly, which is inverted T shaped.
Preferably, the signal terminal leads copper material for height, and the outer surface of signal terminal is completely covered with antioxidant coating.
Preferably, the earth jack is in inverted L shape, which is square, is respectively provided with by the side of each earth jack
Two aforementioned signal jacks.
Preferably, the installation base plate, insulating arthropleura, protecgulum and head cover are low warpage plastic material.
The present invention has clear advantage and beneficial effect compared with prior art, specifically, by above-mentioned technical proposal
Understand：
Multiple link blocks that are superimposed together side by side are fixed together by this product using protecgulum and head cover, and each connection mould
Block is made of an installation base plate, multiple signal terminals, an insulating arthropleura and a ground connection side cover, simple in structure, makes shaping easily,
Beneficial to production efficiency is improved, cost is reduced, and signal terminal uses two signal contact sites, and contact is more reliable and more stable, screen
It is good to cover effect；And most suitable material is selected, the technology such as the contact resistance of product, differential impedance, crosstalk, insertion loss refers to
Mark complies fully with requirement, and product performance is more preferably.
For more clearly illustrate the present invention architectural feature and effect, come below in conjunction with the accompanying drawings with specific embodiment to the present invention into
Row describes in detail.
Brief description of the drawings
Fig. 1 is the assembling schematic perspective view of the preferred embodiments of the invention；
Fig. 2 is the assembling schematic perspective view of another angle of the preferred embodiments of the invention；
Fig. 3 is the exploded view of the preferred embodiments of the invention；
Fig. 4 is the exploded view of another angle of the preferred embodiments of the invention；
Fig. 5 is the sectional view of the preferred embodiments of the invention；
Fig. 6 is the sectional view of another angle of the preferred embodiments of the invention.
Attached drawing identifier declaration：
10th, link block 11, installation base plate
111st, go forward grab 112, rear grab
113rd, locating piece 114, lower preceding grab
115th, embedding slot 116, fixing groove
117th, the first fixed column 118, the second fixed column
12nd, signal terminal 121, signal contact site
122nd, signal slot 123, signal weld part
124th, the first mounting hole 13, insulating arthropleura
131st, the second mounting hole 132, the 3rd mounting hole
14th, side cover 141, grounding elastic part are grounded
142nd, weld part 143, fixinig plate are grounded
20th, protecgulum 21, signal jack
22nd, earth jack 23, upper card hole
24th, lower card hole 30, head cover
31st, locating slot 32, rear bayonet
Embodiment
It refer to shown in Fig. 1 to Fig. 6, that show the concrete structure of the preferred embodiments of the invention, includes multiple
Link block 10, a protecgulum 20 and a head cover 30.
The plurality of link block 10 is superimposed together side by side, and each link block 10 includes an installation base plate 11, more
A signal terminal 12, an insulating arthropleura 13 and a ground connection side cover 14.
Extend grab 111 of going forward, rear grab 112 and locating piece 113, the locating piece in the top of the installation base plate 11
113 positioned at going forward between grab 111 and rear grab 112, and the bottom of installation base plate 11, which is extended, lower preceding grab 114, installs base
The recessed multiple embedding slots 115 of first side of plate 11, the plurality of embedding slot are intervally arranged about 115.In the present embodiment, the peace
Dress substrate 11 is low warpage plastic material, and described to go forward grab 111 downward, the rear grab 112 is upward.
The plurality of signal terminal 12 is embedded in corresponding embedding slot 115 respectively, and the front end of each signal terminal 12 is respectively provided with
Two signal contact sites 121, are respectively provided with a letter between two signal contact sites 121 formed with signal slot 122, each signal terminal 12
Number weld part 123,123 time interval of the signal weld part arrangement of the plurality of signal terminal 12 and the bottom of stretching installation base plate 11
Portion.In the present embodiment, the signal terminal 12 leads copper material for height, and the outer surface of signal terminal 12 is completely covered with antioxygen
Change coating, ensure that signal transmission is unimpeded.
The insulating arthropleura 13 is fixed in the first side of installation base plate 11, and insulating arthropleura 13 compresses and covers each signal
Terminal 12, in the present embodiment, the low warpage plastic material of the insulating arthropleura 13.
The ground connection side cover 14 is fixed in the second side of installation base plate, and the cephalolateral margin of ground connection side cover 14 has extended anteriorly out
Multiple grounding elastic parts 141, the plurality of contact flat spring are intervally arranged about 141, the inner side of each contact flat spring 141 and installation base plate
Formed with ground connection slot between 11 second side（Do not show in figure）, the bottom side edge for being grounded side cover extends downwardly out multiple ground connection
Weld part 142, the 142 time interval arrangement of the plurality of ground connection weld part, in the present embodiment, grounding elastic part 141 is two groups, every group
Grounding elastic part 141 is formed by the grounding elastic part 141 of about two arrangements, and ground connection weld part 142 is spaced three.With
And the periphery bending of the ground connection side cover 14 extends and has multiple fixinig plates 143, accordingly, the second side of the installation base plate 11
Face is concavely provided with multiple fixing grooves 116, and the plurality of fixinig plate 143 is tightly inserted into corresponding fixing groove 116, so that ground side
Lid 14 is fixedly mounted with installation base plate 11 and connects.
The protecgulum 20 is fixed on the front end of multiple link blocks 10, and the leading flank of protecgulum 20 is provided with multiple signal jacks 21
With multiple earth jacks 22, the plurality of signal jack 21 is opposite to each other with corresponding signal slot 122, the plurality of earth jack 22
Be opposite to each other with corresponding ground connection slot, the top of protecgulum 20 is provided with multiple upper card holes 23, the plurality of upper card hole 23 with it is corresponding
Buckle 111 of the going forward connection snapped into one another of link block 10 is fixed, and the bottom of protecgulum 20 is provided with multiple lower card holes 24, the plurality of
Lower card hole 24 is fixed with the lower preceding connection snapped into one another of grab 114 of corresponding link block 10.In the present embodiment, the protecgulum 20
For low warpage plastic material, also, earth jack 22 is in inverted L shape, which is square, the side of each earth jack 22
Side is respectively provided with two aforementioned signal jacks 21.
The head cover 30 is fixed on the top of multiple link blocks 10, be provided with head cover 30 multiple locating slots 31 and it is multiple after
Card hole 32, foregoing locating piece 113 is with corresponding locating slot 31 each other to inserting positioning, the plurality of rear bayonet 32 and corresponding rear grab
112 connections snapped into one another are fixed.In the present embodiment, the head cover 30 is low warpage plastic material, also, the locating piece
113 be inverted T shaped, and accordingly, which is inverted T shaped, to prevent head cover 30 to be upwardly separated from link block 10.
And the tail end of the embedding slot 115 laterally extends the first fixed column 117, set on the signal terminal 12
There is the first mounting hole 124, which is inserted into the first mounting hole 124.The feather edge of the insulating arthropleura 13 is set
There are multiple second mounting holes 131, which is tightly inserted into corresponding second mounting hole 131.The installation base plate 11
First side extend and have multiple second fixed columns 118, multiple 3rd mounting holes 132 are provided with the insulating arthropleura 13, should
Multiple second fixed columns 118 are tightly inserted into corresponding 3rd mounting hole 132.
During assembling, first, each signal terminal 12 is embedded in corresponding embedding slot 115 respectively, then, by insulating arthropleura 13
It is fixed in the first side of installation base plate 11, then, ground connection side cover 14 is fixed in the second side of installation base plate, so that
Form a link block 10；Then, multiple link blocks 10 are superimposed together side by side, then, by protecgulum 20 by going to
Docked afterwards with multiple link blocks 10 so that multiple upper card holes 23 and the buckle 111 of going forward of corresponding link block 10 are snapped into one another
Connection is fixed, while multiple lower card holes 24 are fixed with the lower preceding connection snapped into one another of grab 114 of corresponding link block 10；Then,
Head cover 30 is docked with multiple link blocks 10 back to front so that locating piece 113 is fixed to inserting each other with corresponding locating slot 31
Position, the plurality of rear bayonet 32 are fixed with the corresponding rear connection snapped into one another of grab 112, and assembling finishes.
The present invention design focal point be：This product is consolidated multiple link blocks that are superimposed together side by side using protecgulum and head cover
It is scheduled on together, and each link block is by an installation base plate, multiple signal terminals, an insulating arthropleura and a ground connection side cover structure
Into, it is simple in structure, make shaping easily, beneficial to production efficiency is improved, reduce cost, and signal terminal is connect using two signals
Contact portion, contact is more reliable and more stable, and shield effectiveness is good；And most suitable material is selected, the contact resistance of product, difference resistance
The technical indicators such as anti-, crosstalk, insertion loss comply fully with requirement, and product performance is more preferably.
Above in association with the specific embodiment technical principle that the invention has been described.These descriptions are intended merely to explain the present invention's
Principle, and limiting the scope of the invention cannot be construed in any way.Based on explanation herein, the technology of this area
Personnel would not require any inventive effort the other embodiments that can associate the present invention, these modes are fallen within
Within protection scope of the present invention.
Claims (10)
- A kind of 1. new type of plate card insertion head connector, it is characterised in that：Include multiple link blocks, a protecgulum and a head cover；The plurality of link block is superimposed together side by side, each link block include an installation base plate, multiple signal terminals, One insulating arthropleura and a ground connection side cover；Extend grab of going forward, rear grab and locating piece, the positioning at the top of the installation base plate Block, which is located at, goes forward between grab and rear grab, and the bottom of installation base plate, which is extended, lower preceding grab, the first side of installation base plate Recessed multiple embedding slots, the plurality of embedding slot are intervally arranged up and down, and the plurality of signal terminal is embedded in corresponding embedding slot respectively, The front end of each signal terminal is respectively provided with two signal contact sites, formed with signal slot, each signal between two signal contact sites Terminal is respectively provided with a signal weld part, and the signal weld part time interval arrangement of the plurality of signal terminal simultaneously stretches out installation base plate Bottom；The insulating arthropleura is fixed in the first side of installation base plate, and insulating arthropleura compresses and covers each signal terminal；Should Ground connection side cover is fixed in the second side of installation base plate, and the cephalolateral margin for being grounded side cover has extended anteriorly out multiple grounding elastic parts, The plurality of contact flat spring is intervally arranged up and down, formed with connecing between the inner side of each contact flat spring and the second side of installation base plate Ground slot, the bottom side edge for being grounded side cover extend downwardly out multiple ground connection weld parts, the plurality of ground connection weld part time interval row Cloth；The protecgulum is fixed on the front end of multiple link blocks, and the leading flank of protecgulum is provided with multiple signal jacks and multiple ground connection are inserted Hole, the plurality of signal jack are opposite to each other with corresponding signal slot, and the plurality of earth jack is grounded slot each other with corresponding Face, is provided with multiple upper card holes at the top of protecgulum, the plurality of upper card hole and corresponding link block go forward to be buckled it is snapped into one another Connection is fixed, and the bottom of protecgulum is provided with multiple lower card holes, and the lower preceding grab of the plurality of lower card hole and corresponding link block is each other Snap connection fixation；The head cover is fixed on the top of multiple link blocks, and multiple locating slots and multiple rear bayonets are provided with head cover, foregoing fixed Position block with corresponding locating slot each other to inserting positioning, with corresponding rear grab connection snapped into one another fix by the plurality of rear bayonet.
- 2. new type of plate card insertion head connector as claimed in claim 1, it is characterised in that：The tail end of the embedding slot extends laterally Going out has the first fixed column, and the first mounting hole is provided with the signal terminal, which is inserted into the first mounting hole.
- 3. new type of plate card insertion head connector as claimed in claim 2, it is characterised in that：The feather edge of the insulating arthropleura is set There are multiple second mounting holes, which is tightly inserted into corresponding second mounting hole.
- 4. new type of plate card insertion head connector as claimed in claim 3, it is characterised in that：The first side of the installation base plate is prolonged Multiple second fixed columns are extended with, multiple 3rd mounting holes are provided with the insulating arthropleura, the plurality of second fixed column is tightly inserted into In corresponding 3rd mounting hole.
- 5. new type of plate card insertion head connector as claimed in claim 1, it is characterised in that：It is described to go forward grab downward, the rear card Hook is upward.
- 6. new type of plate card insertion head connector as claimed in claim 1, it is characterised in that：The periphery bending of the ground connection side cover is prolonged Multiple fixinig plates are extended with, accordingly, the second side of the installation base plate is concavely provided with multiple fixing grooves, and the plurality of fixinig plate is tight It is inserted into corresponding fixing groove.
- 7. new type of plate card insertion head connector as claimed in claim 1, it is characterised in that：The locating piece is inverted T shaped, is corresponded to Ground, the locating slot are inverted T shaped.
- 8. new type of plate card insertion head connector as claimed in claim 1, it is characterised in that：The signal terminal leads copper material for height Matter, the outer surface of signal terminal are completely covered with antioxidant coating.
- 9. new type of plate card insertion head connector as claimed in claim 1, it is characterised in that：The earth jack is in inverted L shape, the letter Number jack is square, and two aforementioned signal jacks are respectively provided with by the side of each earth jack.
- 10. new type of plate card insertion head connector as claimed in claim 1, it is characterised in that：The installation base plate, insulating arthropleura, Protecgulum and head cover are low warpage plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610960816.8A CN108023217A (en) | 2016-11-04 | 2016-11-04 | New type of plate card insertion head connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610960816.8A CN108023217A (en) | 2016-11-04 | 2016-11-04 | New type of plate card insertion head connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108023217A true CN108023217A (en) | 2018-05-11 |
Family
ID=62083928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610960816.8A Pending CN108023217A (en) | 2016-11-04 | 2016-11-04 | New type of plate card insertion head connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108023217A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110402056A (en) * | 2019-07-10 | 2019-11-01 | 苏州浪潮智能科技有限公司 | A kind of electronic assembly and its support device |
| CN111541069A (en) * | 2020-03-24 | 2020-08-14 | 上海航天科工电器研究院有限公司 | Differential pair structure is reliably shielded to full link |
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| CN204668627U (en) * | 2015-04-16 | 2015-09-23 | 富加宜连接器（东莞）有限公司 | A kind of earth shield structure of High speed rear panel connector |
| CN105576403A (en) * | 2014-10-13 | 2016-05-11 | 欧品电子(昆山)有限公司 | Plug connector, socket connector and electric connector assembly |
| CN206163765U (en) * | 2016-11-04 | 2017-05-10 | 东莞市鼎通精密五金有限公司 | Novel integrated circuit board plug connector |
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2016
- 2016-11-04 CN CN201610960816.8A patent/CN108023217A/en active Pending
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| CN102035088A (en) * | 2010-10-25 | 2011-04-27 | 深圳市华星光电技术有限公司 | Connector and connecting structure of flexible flat cable |
| CN103151650A (en) * | 2013-03-06 | 2013-06-12 | 华为机器有限公司 | Signal connector |
| CN103280670A (en) * | 2013-05-17 | 2013-09-04 | 连展科技电子（昆山）有限公司 | Socket electric connector for inhibiting signal interference |
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| CN110402056A (en) * | 2019-07-10 | 2019-11-01 | 苏州浪潮智能科技有限公司 | A kind of electronic assembly and its support device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 523000 No. 7 Yinzhu Road, Zhouwu Community, Dongcheng Street, Dongguan City, Guangdong Province Applicant after: Dongguan Dingtong Precision Hardware Co., Ltd. Address before: 523878 No. 7 Shangxing West Road, Chang'an Town Corner Community, Dongguan City, Guangdong Province Applicant before: Dongguan tripod Precision Hardware Co., Ltd. |
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| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180511 |
|
| RJ01 | Rejection of invention patent application after publication |