CN208318767U - A kind of adjustable office chair - Google Patents
A kind of adjustable office chair Download PDFInfo
- Publication number
- CN208318767U CN208318767U CN201721820089.1U CN201721820089U CN208318767U CN 208318767 U CN208318767 U CN 208318767U CN 201721820089 U CN201721820089 U CN 201721820089U CN 208318767 U CN208318767 U CN 208318767U
- Authority
- CN
- China
- Prior art keywords
- plate
- fixed block
- fixed
- office chair
- adjustable office
- 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
Links
- 240000004282 Grewia occidentalis Species 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Abstract
The utility model discloses a kind of adjustable office chairs, including bottom plate, the upper surface of the bottom plate is fixedly connected with the fuselage of motor, and the output shaft of motor is fixedly connected with the lower surface of driving wheel, driving wheel is sequentially connected by belt and driven wheel, and the inside of driven wheel is socketed with thread barrel, the outer surface of thread barrel and the inner surface of bearing are clamped, and bearing is located at the lower section of driven wheel, the two sides of bearing are fixedly connected with the first fixed plate, and the lower surface of two the first fixed plates is fixedly connected with the upper surface of bottom plate.Adjustable office chair, pass through the cooperation between seat board, hinge, backup plate, the first fixed block, motion bar, the second fixed block, electric pushrod, switch, idler wheel, sliding sleeve and spring, so that people can change the inclined angle of backup plate by Operation switch according to their needs, so that the utility model can be realized simultaneously the function of sitting and lie, for people's lunch break, alleviate the pressure of vertebra, reduces fatigue.
Description
Technical field
The utility model relates to office chair technical field, specially a kind of adjustable office chair.
Background technique
Office chair refers in routine work and social activities to be the work conveniently various chairs of outfit.Office partner will do
Public chair is divided into narrow sense and broad sense, and the office chair of narrow sense refers to the chair sat when people carries out desktop work under sitting posture state,
The office chair of broad sense is all chairs for office, including executive chair, middle class in a kindergarten chair, chair of receiving a visitor, office worker's chair, conference chair, visit
Objective chair and training chair etc..
It is unadjustable since existing office chair structure is relatively fixed, for some deskmans, due to the noon
Time not is shorter, can only be sitting on chair to lie prone and carries out lunch break on doing work table, and being seated for a long time can be to the vertebra of people
Certain damage is caused, the deformity of spinal column can be made for a long time, causes the serious damage to vertebra, while noon is unable to recumbency rest
Also the fatigue that will increase people causes work in afternoon inefficient.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of adjustable office chair, solves existing do
Public Chair structure is relatively fixed, unadjustable, and some deskmans can only be sat since the time of lunch break is shorter
It lies prone on chair and carries out lunch break on doing work table, and be seated can cause certain damage to the vertebra of people for a long time, when long
Between meeting cause the serious damage to vertebra so that the deformity of spinal column, while noon is unable to recumbency rest also will increase the fatigue of people,
Cause the inefficient problem that works afternoon.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions: a kind of adjustable office chair, including bottom
Plate, the upper surface of the bottom plate are fixedly connected with the fuselage of motor, and the fixed company in the lower surface of the output shaft of motor and driving wheel
It connects, the driving wheel is sequentially connected by belt and driven wheel, and the inside of driven wheel is socketed with thread barrel, the thread barrel
The inner surface of outer surface and bearing clamping, and bearing is located at the lower section of driven wheel, the two sides of the bearing are fixedly connected with the
One fixed plate, and the lower surface of two the first fixed plates is fixedly connected with the upper surface of bottom plate, the inner surface of the thread barrel
It is connect with the outer surface thread of threaded post, and the bottom end of threaded post passes through through-hole and extends to outside through-hole, the through-hole is provided with
The upper surface of bottom plate, and through-hole is located between two the first fixed plates, the top of the threaded post and the lower surface of support plate are solid
Fixed connection, the lower surface of the support plate are fixedly connected by two telescopic rods with the upper surface of bottom plate, and two telescopic rods point
Not Wei Yu thread barrel the left and right sides, the upper surface of the support plate offers sliding slot, and the two sides of sliding slot inner wall respectively with
The both ends of slide bar are fixedly connected, and the outer surface of the slide bar is socketed with sliding sleeve, and under the upper surface of sliding sleeve and the first fixed block
Surface is fixedly connected, and the left side of first fixed block and the right side of pushing meanss overlap, the left end of the pushing meanss
It is fixedly connected with the right side of the second fixed plate, and the lower surface of the second fixed plate is fixed connection to the upper surface of the support plate, institute
The front for stating the first fixed block is flexibly connected by the first pin shaft with the bottom at the motion bar back side, and the top at the motion bar back side is logical
It crosses the second pin shaft to be flexibly connected with the front of the second fixed block, the left side of second fixed block and the right side of backup plate are fixed
Connection, and the left side of backup plate is flexibly connected by hinge with the upper surface of seat board, the lower surface of the seat board and support column
Top is fixedly connected, and the bottom end of the support column is fixed connection to the upper surface of the support plate, and support column is located at the second fixed plate
Left side.
Preferably, the pushing meanss include electric pushrod, the right side of the left end of the electric pushrod and the second fixed plate
Face is fixedly connected, and the right end of electric pushrod is fixedly connected with the left end of idler wheel, the right side of the idler wheel and the first fixed block
Left side overlap joint.
Preferably, the shape of the slide bar is rectangle, and the shape of sliding sleeve is also rectangle.
Preferably, there are four pedestals for the lower surface setting of the bottom plate, and four pedestals are located at lower surface of base plate
Four corners.
Preferably, the front of the seat board is provided with battery, and the front of battery is provided with switch.
Preferably, the output end of the battery is electrically connected with the input terminal of switch, and switch output end respectively with electricity
The electrical connection of the input terminal of machine and electric pushrod.
(3) beneficial effect
The utility model provides a kind of adjustable office chair, have it is following the utility model has the advantages that
(1), adjustable office chair, by seat board, hinge, backup plate, the first fixed block, motion bar, the second fixed block,
Cooperation between electric pushrod, switch, idler wheel, sliding sleeve and spring controls electric pushrod work, electric pushrod by Operation switch
Idler wheel is driven to move right by elongation, so that idler wheel pushes the first fixed block to move right, the first fixed block passes through motion bar
It drives the second fixed block to move right, so that backup plate is overturn to the right to suitable angle, electric pushrod is controlled by Operation switch
It shrinks, spring drives sliding sleeve to be moved to the left by elongation, so that the first fixed block pushes the second fixed block to the left by motion bar
It is mobile, so that backup plate is overturn to the left to suitable angle, so that people can be changed by Operation switch according to their needs
Become the inclined angle of backup plate, so that the utility model can be realized simultaneously the function of sitting and lie, for people's lunch break, alleviates vertebra
Pressure, reduce fatigue.
(2), adjustable office chair, passes through switch, motor, driving wheel, belt, driven wheel, thread barrel and threaded post
Between cooperation, motor work is controlled by Operation switch, the output shaft of motor drives driving wheel rotation, and driving wheel passes through belt
Driven wheel rotation is driven, driven wheel drives thread barrel rotation, so that threaded post drives support under the threaded function with thread barrel
Plate is moved up or down to suitable position, so that people be allow to control seat board by Operation switch according to their needs
Highly, it is convenient for people to use, and the utility model which has a compact structure and a reasonable design, it is practical.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure that the utility model is faced；
Fig. 2 is the structural schematic diagram that the utility model is faced.
In figure: 1 bottom plate, 2 motors, 3 driving wheels, 4 belts, 5 driven wheels, 6 thread barrels, 7 bearings, 8 first fixed plates, 9 spiral shells
Line column, 10 through-holes, 11 telescopic rods, 12 support plates, 13 sliding slots, 14 springs, 15 slide bars, 16 sliding sleeves, 17 first fixed blocks, 18 push
Device, 181 idler wheels, 182 electric pushrods, 19 second fixed plates, 20 first pin shafts, 21 motion bars, 22 second pin shafts, 23 second are consolidated
Determine block, 24 backup plates, 25 hinges, 26 seat boards, 27 support columns, 28 pedestals, 29 batteries, 30 switches.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figs. 1-2, the utility model provides a kind of technical solution: a kind of adjustable office chair, including bottom plate 1,
There are four pedestals 28 for the lower surface setting of bottom plate 1, and four pedestals 28 are located at the four corners of 1 lower surface of bottom plate, by setting
Bottom set seat 28, thus support pedestal 28 and fix bottom plate 1, so that bottom plate 1 is not easy to shake, the upper surface of bottom plate 1 and electricity
The fuselage of machine 2 is fixedly connected, and by the way that motor 2 is arranged, to make motor 2 at work, the output shaft of motor 2 can be driven actively
3 rotation of wheel, and the output shaft of motor 2 is fixedly connected with the lower surface of driving wheel 3, driving wheel 3 is passed by belt 4 and driven wheel 5
Dynamic connection, by the way that driven wheel 5 is arranged, to make driving wheel 3 while rotating, driving wheel 3 can be driven driven by belt 4
5 rotation of wheel, and the inside of driven wheel 5 is socketed with thread barrel 6, by the way that driven wheel 5 is arranged, to make driven wheel 5 in the same of rotation
When, driven wheel 5 can drive thread barrel 6 to rotate, and the outer surface of thread barrel 6 and the inner surface of bearing 7 are clamped, and bearing 7 is located at
The lower section of driven wheel 5, the two sides of bearing 7 are fixedly connected with the first fixed plate 8, and the lower surface of two the first fixed plates 8 is equal
It is fixedly connected with the upper surface of bottom plate 1, the inner surface of thread barrel 6 is connect with the outer surface thread of threaded post 9, by the way that screw thread is arranged
Column 9, to make thread barrel 6 while rotating, threaded post 9 can with support plate 12 is driven under the threaded function of thread barrel 6
It moving up and down, and the bottom end of threaded post 9 passes through through-hole 10 and extends to outside through-hole 10, through-hole 10 is provided with the upper surface of bottom plate 1,
And through-hole 10 is located between two the first fixed plates 8, the top of threaded post 9 is fixedly connected with the lower surface of support plate 12, support
The lower surface of plate 12 is fixedly connected by two telescopic rods 11 with the upper surface of bottom plate 1, by the way that telescopic rod 11 is arranged, to make to stretch
Contracting bar 11 can allow support plate 12 smoothly to move up and down with fixed support plate 12, and two telescopic rods 11 are distinguished
Positioned at the left and right sides of thread barrel 6, the upper surface of support plate 12 offers sliding slot 13, and the two sides of 13 inner wall of sliding slot respectively with
The both ends of slide bar 15 are fixedly connected, and the outer surface of slide bar 15 is socketed with sliding sleeve 16, and the shape of slide bar 15 is rectangle, and sliding sleeve 16
Shape is also rectangle, by the way that slide bar 15 is arranged, to allow sliding sleeve 16 smoothly to be moved left and right, and the upper table of sliding sleeve 16
Face is fixedly connected with the lower surface of the first fixed block 17, and the left side of the first fixed block 17 and the right side of pushing meanss 18 are taken
It connecing, the left end of pushing meanss 18 is fixedly connected with the right side of the second fixed plate 19, and pushing meanss 18 include electric pushrod 182,
The left end of electric pushrod 182 is fixedly connected with the right side of the second fixed plate 19, and the right end of electric pushrod 182 and idler wheel 181
Left end be fixedly connected, the left side of the right side of idler wheel 181 and the first fixed block 17 overlaps, by the way that electric pushrod 182 is arranged,
To allow electric pushrod 182 to drive idler wheel 181 to move left and right by flexible, and the lower surface of the second fixed plate 19 and support
The upper surface of plate 12 is fixedly connected, the bottom activity that the front of the first fixed block 17 passes through the first pin shaft 20 and 21 back side of motion bar
Connection, and the top at 21 back side of motion bar is flexibly connected by the second pin shaft 22 with the front of the second fixed block 23, and setting is passed through
First pin shaft 20 and the second pin shaft 22, thus make motion bar 21 during exercise can be more stable and flexible, the second fixed block
23 left side is fixedly connected with the right side of backup plate 24, and the left side of backup plate 24 passes through the upper surface of hinge 25 and seat board 26
It being flexibly connected, the lower surface of seat board 26 is fixedly connected with the top of support column 27, and the front of seat board 26 is provided with battery 29, and
The front of battery 29 is provided with switch 30, by the way that battery 29 is arranged, so that people be made not have the feelings of external power supply around
Under condition, battery 29 can provide electric power, and the output end of battery 29 is electrically connected with the input terminal of switch 30, and switch 30 is defeated
Outlet is electrically connected with the input terminal of motor 2 and electric pushrod 182 respectively, and by the way that switch 30 is arranged, and switch 30 is opened for LW5D-16
It closes, so that people be allow to control motor 2 and the work of electric pushrod 182 by Operation switch 30, facilitates people to operate, support column
27 bottom end is fixedly connected with the upper surface of support plate 12, and support column 27 is located at the left side of the second fixed plate 19.
It working in use, controlling motor 2 by Operation switch 30 first, the output shaft of motor 2 drives driving wheel 3 to rotate,
Driving wheel 3 by belt 4 drive driven wheel 5 rotate, driven wheel 5 drive thread barrel 6 rotate so that threaded post 9 with thread barrel 6
Threaded function under drive support plate 12 move up or down to suitable position, pass through Operation switch 30 control electric pushrod
182 work, electric pushrod 182 by elongation drive idler wheel 181 move right so that idler wheel 181 push the first fixed block 17 to
Move right, the first fixed block 17 by motion bar 21 drive the second fixed block 23 move right so that backup plate 24 overturn to the right to
Suitable angle controls electric pushrod 182 by Operation switch 30 and shrinks, and spring 14 drives sliding sleeve 16 to moving to left by elongation
It is dynamic so that the first fixed block 17 pushes the second fixed block 23 to be moved to the left by motion bar 21 so that backup plate 24 overturn to the left to
Suitable angle stops motor 2 and electric pushrod 182 finally by Operation switch 30.
Can to sum up obtain, (1), adjustable office chair, by seat board 26, hinge 25, backup plate 24, the first fixed block 17,
Cooperation between motion bar 21, the second fixed block 23, electric pushrod 182, switch 30, idler wheel 181, sliding sleeve 16 and spring 14 is led to
It crosses Operation switch 30 and controls the work of electric pushrod 182, electric pushrod 182 drives idler wheel 181 to move right by elongation, so that rolling
181 the first fixed block 17 of promotion of wheel moves right, and the first fixed block 17 drives the second fixed block 23 to move right by motion bar 21
It is dynamic, so that backup plate 24 is overturn to the right to suitable angle, electric pushrod 182 is controlled by Operation switch 30 and is shunk, spring 14 is logical
Crossing elongation drives sliding sleeve 16 to be moved to the left, so that the first fixed block 17 pushes the second fixed block 23 to moving to left by motion bar 21
It is dynamic, so that backup plate 24 is overturn to the left to suitable angle, so that people can pass through Operation switch 30 according to their needs
Change the inclined angle of backup plate 24, so that the utility model can be realized simultaneously the function of sitting and lie, for people's lunch break, alleviates
The pressure of vertebra reduces fatigue.
(2), adjustable office chair passes through switch 30, motor 2, driving wheel 3, belt 4, driven wheel 5,6 and of thread barrel
Cooperation between threaded post 9 controls motor 2 by Operation switch 30 and works, and the output shaft of motor 2 drives driving wheel 3 to rotate, main
Driving wheel 3 by belt 4 drive driven wheel 5 rotate, driven wheel 5 drive thread barrel 6 rotate so that threaded post 9 with thread barrel 6
Support plate 12 is driven to move up or down to suitable position under threaded function, so that people be allow to lead to according to their needs
The height that Operation switch 30 controls seat board 26 is crossed, is convenient for people to use, and the utility model which has a compact structure and a reasonable design, it is practical
Property is strong.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of adjustable office chair, including bottom plate (1), it is characterised in that: the upper surface and motor (2) of the bottom plate (1)
Fuselage be fixedly connected, and the output shaft of motor (2) is fixedly connected with the lower surface of driving wheel (3), and the driving wheel (3) passes through
Belt (4) and driven wheel (5) are sequentially connected, and the inside of driven wheel (5) is socketed with thread barrel (6), outside the thread barrel (6)
The inner surface of surface and bearing (7) is clamped, and bearing (7) is located at the lower section of driven wheel (5), and the two sides of the bearing (7) are equal
It is fixedly connected the first fixed plate (8), and the lower surface of two the first fixed plates (8) is fixedly connected with the upper surface of bottom plate (1),
The inner surface of the thread barrel (6) is connect with the outer surface thread of threaded post (9), and the bottom end of threaded post (9) passes through through-hole
(10) and through-hole (10) is extended to outside, the through-hole (10) is provided with the upper surface of bottom plate (1), and through-hole (10) is located at two the
Between one fixed plate (8), the top of the threaded post (9) is fixedly connected with the lower surface of support plate (12), the support plate
(12) lower surface is fixedly connected by two telescopic rods (11) with the upper surface of bottom plate (1), and two telescopic rods (11) are respectively
Positioned at the left and right sides of thread barrel (6), the upper surface of the support plate (12) is offered sliding slot (13), and sliding slot (13) inner wall
Two sides are fixedly connected with the both ends of slide bar (15) respectively, and the outer surface of the slide bar (15) is socketed with sliding sleeve (16), and sliding sleeve
(16) upper surface is fixedly connected with the lower surface of the first fixed block (17), the left side of first fixed block (17) and promotion
The right side of device (18) overlaps, and the left end of the pushing meanss (18) is fixedly connected with the right side of the second fixed plate (19),
And second the lower surface of fixed plate (19) be fixedly connected with the upper surface of support plate (12), the front of first fixed block (17)
It is flexibly connected by the first pin shaft (20) with the bottom at motion bar (21) back side, and the top at motion bar (21) back side passes through second
Pin shaft (22) is flexibly connected with the front of the second fixed block (23), left side and backup plate (24) of second fixed block (23)
Right side is fixedly connected, and the left side of backup plate (24) is flexibly connected by hinge (25) with the upper surface of seat board (26), described
The lower surface of seat board (26) is fixedly connected with the top of support column (27), bottom end and support plate (12) of the support column (27)
Upper surface is fixedly connected, and support column (27) is located at the left side of the second fixed plate (19).
2. a kind of adjustable office chair according to claim 1, it is characterised in that: the pushing meanss (18) include electricity
Dynamic push rod (182), the left end of the electric pushrod (182) are fixedly connected with the right side of the second fixed plate (19), and electronic are pushed away
The right end of bar (182) is fixedly connected with the left end of idler wheel (181), the right side and the first fixed block (17) of the idler wheel (181)
Left side overlap joint.
3. a kind of adjustable office chair according to claim 1, it is characterised in that: the shape of the slide bar (15) is square
Shape, and the shape of sliding sleeve (16) is also rectangle.
4. a kind of adjustable office chair according to claim 1, it is characterised in that: the lower surface of the bottom plate (1) is set
There are four setting pedestal (28), and four pedestals (28) are located at the four corners of bottom plate (1) lower surface.
5. a kind of adjustable office chair according to claim 1, it is characterised in that: the front setting of the seat board (26)
Have battery (29), and the front of battery (29) is provided with switch (30).
6. a kind of adjustable office chair according to claim 5, it is characterised in that: the output end of the battery (29)
It is electrically connected with the input terminal of switch (30), and switchs the output end input with motor (2) and electric pushrod (182) respectively of (30)
End electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721820089.1U CN208318767U (en) | 2017-12-23 | 2017-12-23 | A kind of adjustable office chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721820089.1U CN208318767U (en) | 2017-12-23 | 2017-12-23 | A kind of adjustable office chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208318767U true CN208318767U (en) | 2019-01-04 |
Family
ID=64788347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721820089.1U Expired - Fee Related CN208318767U (en) | 2017-12-23 | 2017-12-23 | A kind of adjustable office chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208318767U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109646241A (en) * | 2019-01-08 | 2019-04-19 | 付传英 | A kind of Neurology specialized massage care device |
| CN109855027A (en) * | 2019-01-17 | 2019-06-07 | 覃天 | A kind of municipal administration solar street light |
| CN110916981A (en) * | 2019-12-17 | 2020-03-27 | 许崇兰 | Intelligent seat for rehabilitation training |
-
2017
- 2017-12-23 CN CN201721820089.1U patent/CN208318767U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109646241A (en) * | 2019-01-08 | 2019-04-19 | 付传英 | A kind of Neurology specialized massage care device |
| CN109855027A (en) * | 2019-01-17 | 2019-06-07 | 覃天 | A kind of municipal administration solar street light |
| CN110916981A (en) * | 2019-12-17 | 2020-03-27 | 许崇兰 | Intelligent seat for rehabilitation training |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208318767U (en) | A kind of adjustable office chair | |
| CN107041822A (en) | A kind of operating table for medical and beauty treatment | |
| CN208573235U (en) | A kind of document shelf with elevating function | |
| CN210574492U (en) | Multi-functional theme show board of ancient literature teaching | |
| CN109602182A (en) | A kind of height-adjustable bookcase | |
| CN108294486B (en) | Think political affairs classroom teaching auxiliary device | |
| CN209044902U (en) | A kind of computer teaching device easy to use | |
| CN208540883U (en) | A kind of desktop angle adjusting mechanism | |
| CN202820374U (en) | Automatic lifting health care chair capable of adjusting backrest | |
| CN206182756U (en) | Seat with automatic raising and lowering functions | |
| CN205625080U (en) | Portable extension table | |
| CN207375325U (en) | Receive row's books device in a kind of library | |
| CN206507542U (en) | A kind of Multifunctional extension table | |
| CN208318668U (en) | A kind of desk rotated automatically | |
| CN208253106U (en) | A kind of computer support frame convenient for lifting | |
| CN107260491A (en) | A kind of medical rehabilitation is with stand-type arm rotary torso machine structure | |
| CN208030633U (en) | A kind of architectural design dedicated graphics design table with freely-adjustable height | |
| CN202820398U (en) | Electric automatic lifting health care chair | |
| CN208126360U (en) | A kind of efficient Legal provision query display device | |
| CN208388214U (en) | It is a kind of can convenient movement oil painting easel | |
| CN203693008U (en) | Multifunctional portable desk-and-chair | |
| CN208492638U (en) | A kind of robot massage chair | |
| CN207345891U (en) | A kind of clothes closet mobile device | |
| CN206025593U (en) | Lifting desk | |
| CN107198644A (en) | A kind of medical rehabilitation arm rotary torso machine structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190104 Termination date: 20191223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |