CN106439447B - A kind of overturning television supporting frame with self-locking mechanism - Google Patents
A kind of overturning television supporting frame with self-locking mechanism Download PDFInfo
- Publication number
- CN106439447B CN106439447B CN201610970216.XA CN201610970216A CN106439447B CN 106439447 B CN106439447 B CN 106439447B CN 201610970216 A CN201610970216 A CN 201610970216A CN 106439447 B CN106439447 B CN 106439447B
- Authority
- CN
- China
- Prior art keywords
- driving motor
- main shaft
- locking mechanism
- self
- controller
- 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.)
- Expired - Fee Related
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Classifications
-
- 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
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
-
- 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
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
-
- 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
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/16—Details concerning attachment of head-supporting legs, with or without actuation of locking members thereof
-
- 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
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
-
- 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
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M2200/00—Details of stands or supports
- F16M2200/02—Locking means
- F16M2200/021—Locking means for rotational movement
Abstract
The present invention proposes a kind of overturning television supporting frame with self-locking mechanism,Including framework,Rotate main shaft,TV fixed frame,Framework is back-shaped structure,Main shaft is rotated to be placed on framework inward flange,Rotating main shaft includes the first driving motor and shell,The end of first driving motor and the inner wall of framework connect,Shell is wrapped in the outside of the first driving motor,One end passes through linking axes and the output axis connection of the first driving motor,The other end is rotatably connected compared with the first driving motor,A universal bearing is provided on the inner wall of the output shaft one side framework of first driving motor,Linking axes is connected with universal bearing,TV fixation is placed in framework and is fixedly connected with rotating main shaft,TV fixed frame includes the frame that several supporting racks are mutually combined arrangement form,Further include self-locking mechanism and control system,Self-locking mechanism is provided with shockproof structure,It is locked by self-locking mechanism and rotates main shaft,Prevent from rotating main shaft because external force effect rotates.
Description
Technical field
The present invention relates to TV hanger technical fields, particularly relate to a kind of overturning television supporting frame with self-locking mechanism.
Background technology
As flat panel TV is in the quick popularization of commercial kitchen area, user uses TV and safeguards requirement easy for installation
It is being continuously improved, TV suspension holdfast is commonly used in being suspended on the stent that LCD TV is placed on wall or ceiling, existing big
Mostly fixed suspension holdfast, it is non-rotatable, adjust angle, it has not been convenient to which beholder watches TV, existing at present rotatable outstanding
Hanging bracket usually by panel TV set one electric turnover mechanism of linkage, controls flat panel TV to show by electric turnover mechanism
Display screen is turned to the angle for being suitble to viewing when user need to watch video frequency program by the overturning of display screen using electric turnover mechanism
Degree at the end of viewing, recycles electric turnover mechanism to pack up display screen, greatly facilitates the use of people, still, at present
The electric turnover mechanism of this class formation does not have self-locking mechanism when going to certain angle, fully relies on motor control and adjusts the angle,
When external force is subject to act on, it is easily damaged.
The content of the invention
The present invention proposes a kind of overturning television supporting frame with self-locking mechanism, overcomes motor-driven tipper in the prior art
Structure does not have the defects of self-locking mechanism when going to certain angle.
The technical proposal of the invention is realized in this way：
A kind of overturning television supporting frame with self-locking mechanism, including be fixedly connected with wall framework, rotate main shaft, electricity
Depending on fixed frame, the framework is back-shaped structure, and the rotation main shaft is placed on framework inward flange, and the rotation main shaft includes first
Driving motor and shell, the end of first driving motor and the inner wall of framework connect, and the shell is wrapped in the first driving
The outside of motor, one end is by linking axes and the output axis connection of the first driving motor, and the other end is compared with the first driving
Motor is rotatably connected, and a universal bearing is provided on the inner wall of the output shaft one side framework of first driving motor, described
Linking axes is connected with universal bearing, and the TV fixation is placed in framework and is fixedly connected with rotating main shaft, and the TV is consolidated
Determining frame includes the frame that several supporting racks are mutually combined arrangement form, further includes self-locking mechanism and control system, described from lock machine
Structure is provided with shockproof structure, by the rotation for rotating main shaft TV fixed frame is driven to realize rotation, when turning to certain angle,
It is locked by self-locking mechanism and rotates main shaft, prevent from rotating main shaft because external force effect rotates.
Further, the self-locking mechanism includes the second driving motor and Worm and worm-wheel gearing, second driving
Worm gear connects in the output shaft and Worm and worm-wheel gearing of motor, and the output terminal of worm screw is in the Worm and worm-wheel gearing
Flat axis, the end set of the flat axis have the hemispherical groove of several annular arrays, and the rotation main shaft connects with self-locking mechanism
End set have an annular groove, be provided in the annular groove with the corresponding hemispherical projections of hemispherical groove, when
When flat axis is contacted with rotating main shaft, the hemispherical groove is mutually fitted together to hemispherical projections, and the shockproof structure includes fixed frame
With a damping block, the fixed frame is socketed on flat axis, and the damping block is equipped with endoporus, and the end of flat axis is mounted on by endoporus
Portion is provided with the adjustable adjustment structure with flat axis cooperation elasticity on the damping block, fixed between damping block and fixed frame
Connection.The resistance of output shaft and fixed frame can be increased by adjusting the pressure of damping block and flat axis output terminal, which can disappear
Except damage of the impulse force suffered by output shaft to motor.
Further, the damping block is socketed in by bolt and nut on flat axis, is provided on the end face of the damping block
Location hole, the upper of the mounting bracket are provided with jack accordingly, are plugged on by bolt between location hole and jack and realize damping
The connection of block and mounting bracket.
Further, angular transducer is additionally provided on the rotation main shaft, the angular transducer connects with control system
It connects.
Further, the control system includes peripheral operation control terminal, controller, drive module, detection module, monitoring
Module and alarm module, the alarm module are connected with controller, the drive module and detection module and the first driving motor
It being connected with the second driving motor, monitoring modular is connected with detection module, and the controller is connected with drive module and monitoring modular,
The peripheral operation control terminal is connected with controller, and the angular transducer is connected with controller, is connected on the controller
Language control module is provided with language in-put module in the peripheral operation control terminal, is also set in the peripheral operation control terminal
Signal emission module is equipped with, signal receiving module is provided on the controller, passes through the signal of peripheral operation control terminal first
Transmitting module sends angle signal to controller, and driving mould is sent to after treatment after signal receiving module receiving angle signal
Block, the first driving motor of driving rotate, and angular transducer measures angle signal and is sent to controller, after reaching predetermined angle, control
Device control drive module processed drives the action of the second driving motor to realize locking to rotating main shaft, and detection module detects holding for each load
For the anti-pass of row signal to monitoring modular, monitoring modular transmits a signal to controller, and controller judges whether that alarm module is driven to hold
Row alarm.
Further, a connecting portion is extended on the side wall for rotating main shaft, the connecting portion is connected with supporting rack, institute
It states connecting portion and supporting rack junction is provided with sealing ring.
Further, the connecting portion is connected with supporting rack by spiral.
Further, the inner wall edge of the connecting portion be provided with several annular arrays T-shaped protrusion, support frame as described above with
It is provided with the convex block of several annular arrays on the outer edge of connecting portion junction, during connection, convex block is connected to T-shaped by rotating
High spot realization connecting portion is fixedly connected with supporting rack.
Further, several electrical wire channel holes are provided on the side wall of support frame as described above, electric wire can be penetrated again by electrical wire channel holes
It is pierced by, achievees the purpose that electric wire is hidden.
The beneficial effects of the invention are as follows：
A kind of overturning television supporting frame with self-locking mechanism of the present invention rotates main shaft by being connected in framework so that
Rotating main shaft drives TV fixed frame to realize rotation, simple in structure, while is provided with self-locking mechanism and its control system, by certainly
Latch mechanism locking rotates main shaft, prevents from rotating main shaft because external force effect rotates.
Description of the drawings
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to needed in the embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, without having to pay creative labor, others are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is a kind of partial structural diagram of the overturning television supporting frame with self-locking mechanism of the present invention；
Fig. 2 is the structure diagram of A in Fig. 1；
Fig. 3 is a kind of self-locking mechanism structure diagram of the overturning television supporting frame with self-locking mechanism of the present invention；
Fig. 4 is a kind of control system frame diagram of the overturning television supporting frame with self-locking mechanism of the present invention.
In figure, 1- frameworks；2- rotates main shaft；3- TV fixed frames；The first driving motors of 4-；5- shells；6- linking axess；7-
Universal bearing；8- supporting racks；The second driving motors of 16-；17- Worm and worm-wheel gearings；19- annular grooves；20- hemisphericals are convex
It rises；21- fixed frames；22- damping blocks；23- peripheral operation control terminals；24- controllers；25- drive modules；26- detection modules；
27- monitoring modulars；28- alarm modules；29- language control modules；30- language in-put modules.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.
Embodiment 1
As shown in Figs 1-4, a kind of overturning television supporting frame with self-locking mechanism, including the framework being fixedly connected with wall
1st, main shaft 2, TV fixed frame 3 are rotated, framework 1 is back-shaped structure, rotates main shaft 2 and is placed on 1 inward flange of framework, rotates main shaft 2
Including the first driving motor 4 and shell 5, the end of the first driving motor 4 is connected with the inner wall of framework 1, and shell 5 is wrapped in first
The outside of driving motor 4, one end is by the output axis connection of 6 and first driving motor 4 of linking axes, and the other end is compared with
One driving motor 4 is rotatably connected, and a universal bearing 7 is provided on the inner wall of the output shaft one side framework of the first driving motor 4,
Linking axes 6 is connected with universal bearing 7, and TV fixed frame 3 is placed in framework 1 and is fixedly connected with rotating main shaft 2, TV fixed frame
3 include the frame that several supporting racks 8 are mutually combined arrangement form, further include self-locking mechanism and control system, and self-locking mechanism is set
There is shockproof structure, by the rotation for rotating main shaft TV fixed frame is driven to realize rotation, when turning to certain angle, by certainly
Latch mechanism locking rotates main shaft, prevents from rotating main shaft because external force effect rotates, self-locking mechanism includes the second driving motor 16
With Worm and worm-wheel gearing 17, worm gear connects in the output shaft and Worm and worm-wheel gearing of the second driving motor 16, described
The output terminal of worm screw is flat axis in Worm and worm-wheel gearing 17, and the end set of flat axis has the hemispherical of several annular arrays recessed
Slot, rotating the end set that connects with self-locking mechanism of main shaft 2 has an annular groove 19, is provided in annular groove 19 and hemispherical
The corresponding hemispherical projections 20 of groove, when flat axis is contacted with rotating main shaft, hemispherical groove is mutually fitted together to hemispherical projections,
Shockproof structure includes 21 and one damping block 22 of fixed frame, and fixed frame is socketed on flat axis, and damping block 22 is equipped with endoporus, passes through endoporus
Mounted on the end of flat axis, be provided with the adjustable adjustment structure with flat axis cooperation elasticity on damping block 22, damping block 22 with
It is fixedly connected between fixed frame 21.It can increase output shaft and fixed frame by adjusting the pressure of damping block and flat axis output terminal
Resistance, the resistance can eliminate damage of the impulse force suffered by output shaft to motor, and damping block is socketed in by bolt and nut on flat axis, resistance
Location hole is provided on the end face of Buddhist nun's block, the upper of mounting bracket is provided with jack accordingly, and location hole is plugged on inserting by bolt
The connection of damping block and mounting bracket is realized between hole, rotates and angular transducer is additionally provided on main shaft, angular transducer and control
System connects, and control system includes peripheral operation control terminal 23, controller 24, drive module 25, detection module 26, monitoring modular
27 and alarm module 28, the alarm module 28 be connected with controller 24, the drive module 25 and detection module 26 and wind turbine,
Second driving motor and the connection of the first driving motor, monitoring modular 27 are connected with detection module 26, controller 24 and drive module
25 and monitoring modular 27 connect, peripheral operation control terminal is connected with controller, and angular transducer is connected with controller 24, controller
Language control module 29 is connected on 24, language in-put module 30, peripheral operation control terminal are provided in peripheral operation control terminal
Signal emission module is additionally provided on 23, signal receiving module is provided on controller 24, passes through peripheral operation control terminal first
Signal emission module send angle signal to controller, be sent to after treatment after signal receiving module receiving angle signal
Drive module 25, the first driving motor of driving rotate, and angular transducer measures angle signal and is sent to controller, reaches preset angle
After degree, controller 24 controls drive module that the action of the second driving motor is driven to realize locking to rotating main shaft, and detection module 26 is examined
The execution signal anti-pass of each load is surveyed to monitoring modular 27, monitoring modular 27 transmits a signal to controller 24, and controller judges
Alarm module 28 whether is driven to perform alarm.Extend a connecting portion, the connecting portion and branch on the side wall for rotating main shaft 2
Support 8 connects, and the connecting portion is provided with sealing ring with 8 junction of supporting rack, and the two has a variety of connection modes, including one
Connecting portion can be connected with supporting rack by spiral, secondly the inner wall edge of connecting portion is provided with the T-shaped protrusion of several annular arrays,
The convex block of several annular arrays is provided on the outer edge of supporting rack 8 and connecting portion junction, during connection, by rotation by convex block
It is connected to T-shaped high spot and realizes being fixedly connected for connecting portion and supporting rack, several electric wires are provided on the side wall of support frame as described above and are worn
Electric wire by electrical wire channel holes can be penetrated and is pierced by again by hole, achieve the purpose that electric wire is hidden.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modifications, equivalent replacements and improvements are made should all be included in the protection scope of the present invention god.
Claims (4)
1. a kind of overturning television supporting frame with self-locking mechanism, it is characterised in that：It includes the framework being fixedly connected with wall, turns
Dynamic main shaft, TV fixed frame, the framework are back-shaped structure, and the rotation main shaft is placed on framework inward flange, described to rotate master
Axis includes the first driving motor and shell, and the end of first driving motor and the inner wall of framework connect, the shell package
In the outside of the first driving motor, by the output axis connection of linking axes and the first driving motor, the other end is opposite for one end
It is rotatably connected in the first driving motor, it is universal to be provided with one on the inner wall of the output shaft one side framework of first driving motor
Bearing, the linking axes are connected with universal bearing, and the TV fixation is placed in framework and is fixedly connected with rotating main shaft, institute
Stating TV fixed frame includes the frame that several supporting racks are mutually combined arrangement form, further includes self-locking mechanism and control system, institute
It states self-locking mechanism and is provided with shockproof structure, angular transducer, the angular transducer and control are additionally provided on the rotation main shaft
System processed connection, the control system include peripheral operation control terminal, controller, drive module, detection module, monitoring modular and
Alarm module, the alarm module are connected with controller, the drive module and detection module and the first driving motor and second
Driving motor connects, and monitoring modular is connected with detection module, and the controller is connected with drive module and monitoring modular, described outer
Portion's operation control terminal is connected with controller, and the angular transducer is connected with controller, and language control is connected on the controller
Molding block is provided with language in-put module in the peripheral operation control terminal, letter is additionally provided in the peripheral operation control terminal
Number transmitting module is provided with signal receiving module on the controller, and the signal for passing through peripheral operation control terminal first emits mould
Block sends angle signal to controller, and drive module is sent to after treatment after signal receiving module receiving angle signal, drives
Dynamic first driving motor rotates, and angular transducer measures angle signal and is sent to controller, after reaching predetermined angle, controller control
Drive module processed drives the action of the second driving motor to realize locking to rotating main shaft, and detection module detects the execution signal of each load
To monitoring modular, monitoring modular transmits a signal to controller for anti-pass, and controller judges whether that alarm module is driven to perform alarm.
2. a kind of overturning television supporting frame with self-locking mechanism according to claim 1, it is characterised in that：It is described from lock machine
Structure includes the second driving motor and Worm and worm-wheel gearing, output shaft and the Worm Wheel System machine of second driving motor
Worm gear connects in structure, and the output terminal of worm screw is flat axis in the Worm and worm-wheel gearing, if the end set of the flat axis has
The hemispherical groove of dry annular array, the end set that the rotation main shaft connects with self-locking mechanism has an annular groove, described
It is provided in annular groove and the corresponding hemispherical projections of hemispherical groove, when flat axis is contacted with rotating main shaft, described half
Spherical groove is mutually fitted together to hemispherical projections, and the shockproof structure includes fixed frame and a damping block, and the fixed frame is socketed in
On flat axis, the damping block is equipped with endoporus, and the end of flat axis is mounted on by endoporus, be provided on the damping block it is adjustable with
The adjustment structure of flat axis cooperation elasticity, is fixedly connected between damping block and fixed frame.
3. a kind of overturning television supporting frame with self-locking mechanism according to claim 2, it is characterised in that：The damping block
Be socketed in by bolt and nut on flat axis, be provided with location hole on the end face of the damping block, the mounting bracket it is upper corresponding
Jack is provided with, the connection that damping block and mounting bracket are realized between location hole and jack is plugged on by bolt.
4. a kind of overturning television supporting frame with self-locking mechanism according to claim 1, it is characterised in that：Support frame as described above
Side wall on be provided with several electrical wire channel holes, electric wire by electrical wire channel holes can be penetrated and be pierced by again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610970216.XA CN106439447B (en) | 2016-11-01 | 2016-11-01 | A kind of overturning television supporting frame with self-locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610970216.XA CN106439447B (en) | 2016-11-01 | 2016-11-01 | A kind of overturning television supporting frame with self-locking mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106439447A CN106439447A (en) | 2017-02-22 |
| CN106439447B true CN106439447B (en) | 2018-05-22 |
Family
ID=58180717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610970216.XA Expired - Fee Related CN106439447B (en) | 2016-11-01 | 2016-11-01 | A kind of overturning television supporting frame with self-locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106439447B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112824737B (en) * | 2019-11-20 | 2023-11-14 | 海信视像科技股份有限公司 | Television set |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201063749Y (en) * | 2007-06-06 | 2008-05-21 | 大投装潢有限公司 | Concealed television rack |
| CN101289078B (en) * | 2008-06-07 | 2010-06-16 | 厦门厦华新技术有限公司 | Vehicle LCD electric turnover mechanism |
| CN201347037Y (en) * | 2009-01-14 | 2009-11-18 | 厦门厦华新技术有限公司 | Electric overturning mechanism for vehicle-mounted display |
| CN104509093B (en) * | 2012-05-11 | 2018-12-07 | 美国木业有限公司 | Television set installation system |
| CN104266055B (en) * | 2014-09-16 | 2016-08-24 | 深圳市联建光电股份有限公司 | A kind of self-locking mechanism |
| CN104279410B (en) * | 2014-10-11 | 2016-08-24 | 森沛科技（深圳）有限公司 | The rotating mechanism of vertical display |
-
2016
- 2016-11-01 CN CN201610970216.XA patent/CN106439447B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN106439447A (en) | 2017-02-22 |
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Effective date of registration: 20210425 Address after: 226100 Guangzhou road Jiangsu city Nantong Province Haimen Economic and Technological Development Zone No. 999 Patentee after: Nantong North Bund Construction Engineering Co.,Ltd. Address before: 312500, 2, 1 Ling Chi Road, Xinchang County, Zhejiang, Shaoxing Patentee before: XINCHANG FENGZE MACHINERY Co.,Ltd. |
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Granted publication date: 20180522 Termination date: 20211101 |