CN207143670U - A kind of road roller - Google Patents
A kind of road roller Download PDFInfo
- Publication number
- CN207143670U CN207143670U CN201721078285.6U CN201721078285U CN207143670U CN 207143670 U CN207143670 U CN 207143670U CN 201721078285 U CN201721078285 U CN 201721078285U CN 207143670 U CN207143670 U CN 207143670U
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- CN
- China
- Prior art keywords
- hydraulic cylinder
- chute
- balancing disk
- connecting rod
- output shaft
- 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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Abstract
The utility model discloses a kind of road roller, it is intended to solves the weight that pinch roller is adjusted according to construction requirement, its drip irrigation device is：A kind of road roller, including body, it is arranged at the front-wheel of body, two connecting plates that are symmetrical and being fixedly connected on body rear end face, it is rotationally connected with the pinch roller of two connecting plates, the pinch roller left and right ends offer chute, the chute bottom surface is fixedly connected with connecting rod, the one end of the connecting rod away from chute bottom surface is rotationally connected with the body, several balancing disks are slidably connected on the connecting plate, the external diameter of the balancing disk fits in chute wall, the balancing disk offers the convenient opening that balancing weight is pulled away to connecting rod, the opening is set in inverted " u "-shaped.A kind of road roller of the present utility model, regulation pinch roller weight can be required according to road construction.
Description
Technical field
A kind of engineering machinery is the utility model is related to, more specifically, it relates to a kind of road roller.
Background technology
Road roller is a kind of conventional engineering machinery, is widely used in the engineering fields such as road performance, existing pressure
If road owner by pinch roller by pavement compaction, it is necessary to according to the thickness selection of asphalt on road not in the practice of pressure road
With the pinch roller of weight.
Notification number is a kind of Weight-adjustable road roller, technical points disclosed in CN206204748U Chinese patent
It is：Including body, the front-wheel and pinch roller that are arranged on body, driver's cabin is further fixed on the body, is set in the driver's cabin
There are steering wheel and seat, several are evenly equipped with the pinch roller and matches somebody with somebody repeated hole, it is described to match somebody with somebody axis of the repeated hole parallel to pinch roller, each
A weight linear meter is matched with repeated hole, the left and right ends of the weight linear meter are equipped with external screw thread, are socketed with the external screw thread
Fixing nut.
The weight of pinch roller is adjusted by inserting a number of weight linear meter in pinch roller in such scheme, so as to adapt to difference
The requirement that road surface varies in weight to pinch roller, the utility model provide a kind of new scheme to solve above-mentioned technical problem.
Therefore need to propose a kind of new scheme to solve this problem.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of pressure road of the present utility model
Machine, regulation pinch roller weight can be required according to road construction.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of road roller, including
Body, the front-wheel for being arranged at body, two connecting plates that are symmetrical and being fixedly connected on body rear end face, it is rotationally connected with two
The pinch roller of connecting plate, the pinch roller left and right ends offer chute, and the chute bottom surface is fixedly connected with connecting rod, the company
The one end of extension bar away from chute bottom surface is rotationally connected with the body, and several balancing disks are slidably connected on the connecting plate,
The external diameter of the balancing disk fits in chute wall, and the balancing disk offers the convenient opening that balancing weight is pulled away to connecting rod,
The opening is set in inverted " u "-shaped.
By using above-mentioned technical proposal, when needing to increase the weight of pinch roller, balancing disk is inserted by aperture position
Connecting rod, balancing disk along connecting rod push-in chute and is then connected to chute bottom surface, and multiple match somebody with somebody can be sequentially placed
Disk again, the weight of pinch roller is so added by balancing disk, improve the effect of road surface rolling；When need mitigate pinch roller weight
When, balancing disk need to only be taken out out of chute, thus reach and pinch roller weight is freely adjusted according to construction requirement.
The utility model is further arranged to：The connecting plate is provided with the cunning that driving balancing disk moves towards chute bottom surface
Enter component, it is described slip into component include being fixedly connected on connecting plate towards the first hydraulic cylinder of pinch roller side wall, along first liquid
Cylinder pressure output shaft telescopic direction is slidably connected to the abutting plate of the first hydraulic cylinder output shaft, is sheathed on the first hydraulic cylinder
First spring of output shaft, the both ends of first spring are connected to the first hydraulic cylinder body and abut plate towards the respectively
The end face of one cylinder body, the first hydraulic cylinder is located at below the connecting rod and first hydraulic cylinder output shaft is arranged in institute
State in opening, the abutting movement of the backboard from first hydraulic cylinder body is connected to the balancing disk.
By using above-mentioned technical proposal, when balancing disk is placed in connecting rod, shaft extension is exported by first hydraulic cylinder
Grow and penetrate in opening, abut plate and abut balancing disk simultaneously and promote balancing disk to be moved towards chute bottom surface, so that it is guaranteed that counterweight
Disk is connected to chute bottom surface；And penetrated by first hydraulic cylinder output shaft in opening, limitation balancing disk follows pinch roller to rotate.
The utility model is further arranged to：The first hydraulic cylinder is provided with the pull-out group for balancing disk to be pulled out
Part, the pull-out assembly include being opened in the telescopic chute of the first hydraulic cylinder output shaft side wall, slided along telescopic chute length direction
The dynamic expansion link for being connected to the telescopic chute, the expansion link is arranged at away from flexible groove bottom one end and for supplying the opening
The inclined plane of side abutting, it is arranged at the second bullet in the telescopic chute and promoting the expansion link to protrude from the telescopic chute
Spring, the expansion link can be connected to the balancing disk side wall.
By using above-mentioned technical proposal, when setting first hydraulic cylinder output shaft to penetrate in opening, inclined plane is connected to
Open side edges, inclined plane and expansion link are slipped into telescopic chute by the active force of open side edges, and balancing disk 7 just smoothly slips over flexible
Bar, when expansion link skids off balancing disk 7, second spring promotes expansion link to protrude telescopic chute and is connected to groove floor；Work as needs
When balancing weight is pulled out out of skid off, first hydraulic cylinder output shaft is only needed to shrink, expansion link just drives balancing disk out of skid off
Skid off and.
The utility model is further arranged to：The first hydraulic cylinder output shaft is fixedly connected with restricted abutting plate towards the
The limited block of one cylinder body movement, the limited block and the expansion link be divided into it is described abut plate both sides, and described support
When fishplate bar abuts limited block, the space abutted between plate and the expansion link is available for a balancing disk to penetrate.
By using above-mentioned technical proposal, when first hydraulic cylinder exports elongate axis, abut plate and promote balancing disk to slip into cunning
In groove, and a balancing disk is lived by expansion link clamping, when first hydraulic cylinder output shaft shrinks, first hydraulic cylinder output shaft
With regard to driving a balancing disk to skid off cunning.
The utility model is further arranged to：The pull-out assembly is arranged to two groups, and two groups of pull-out assemblies are symmetricly set in
First hydraulic cylinder output shaft both sides.
By using above-mentioned technical proposal, it may insure that two expansion links are connected to balancing disk side by two groups of pull-out assemblies
Balancing disk is simultaneously pulled away from chute by wall.
The utility model is further arranged to：The side wall abutted with the connecting rod that is open is provided with several rollings
Pearl.
By using above-mentioned technical proposal, make balancing disk lighter along connecting rod slip by ball.
The utility model is further arranged to：The balancing disk side wall offers the pulling eye for facilitating rope to pass through, the drawing
Hole position is in the overthe openings.
By using above-mentioned technical proposal, after balancing disk is pulled away from chute, rope can be passed through pulling eye, then pass through rope
Balancing disk is pulled upwardly, so that balancing disk is disconnected bar.
The utility model is further arranged to：The body is provided with two groups and the balancing disk is pulled away from into connecting rod upwards
Separation assembly, two groups of separation assemblies are symmetricly set in the both sides of the pinch roller, and the separation assembly is described including being fixedly connected on
The link of connecting plate upper surface, the motor for being fixedly connected on the link, to be fixedly connected on the motor defeated
The capstan winch of shaft, the drawstring for being wound in the capstan winch, the hook for being fixedly connected on the drawstring lower surface, the capstan winch are located at institute
State directly over connecting rod.
By using above-mentioned technical proposal, when needing balancing disk being pulled away from connecting rod, balancing disk is first pulled out into chute, and
By hooking pulling eye, then drive capstan winch to rotate by motor and drawstring is around in capstan winch, can thus pass through
Balancing disk is vertically pulled away from connecting rod by drawstring.
In summary, the utility model has the advantages that：
First, when needing to increase the weight of pinch roller, multiple balancing disks are inserted into connecting rod by opening, then by the
One hydraulic cylinder exports elongate axis, abutting plate is abutted balancing disk and promotes balancing disk to slip into chute, is so increased by balancing disk
Adding makes pinch roller add weight；While abutting plate promotes multiple balancing disks to slip into chute, first hydraulic cylinder output shaft extension
Enter in opening and expansion link clamping is lived outermost balancing disk, when needing to mitigate pinch roller weight, only need first hydraulic cylinder defeated
Shaft shrinks, and first hydraulic cylinder output shaft drives outermost balancing disk to skid off chute, then can by balancing disk from connection
Taken out on bar；
Second, enough living pulling eye by linking up with, then driving capstan winch to rotate by motor makes drawstring be around in capstan winch, so as to
Balancing disk is vertically pulled away from connecting rod, so balancing disk easily and quickly can be pulled away from connecting rod.
Brief description of the drawings
Fig. 1 is the structural representation of the present embodiment；
Fig. 2 is the sectional view one of the present embodiment, is mainly used in showing equipment inner structure；
Fig. 3 is Fig. 2 A portions enlarged diagram；
Fig. 4 is the sectional view two of the present embodiment, is mainly used in showing motor and capstan winch；
Fig. 5 is the enlarged diagram in Fig. 4 B portions.
In figure：1st, body；2nd, front-wheel；3rd, connecting plate；4th, pinch roller；5th, chute；6th, connecting rod；7th, balancing disk；8th, groove；9、
Opening；10th, first hydraulic cylinder；11st, plate is abutted；12nd, the first spring；13rd, telescopic chute；14th, expansion link；15th, inclined plane；16th,
Two springs；17th, limited block；18th, ball；19th, motor；20th, capstan winch；21st, drawstring；22nd, link up with；23rd, pulling eye；24th, connect
Frame.
Embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
A kind of road roller, as shown in figure 1, including body 1, the front end of body 1 downside is provided with front-wheel 2, the rear end face of body 1
Two symmetrical connecting plates 3 are fixedly connected with, pinch roller 4, the rotary shaft of pinch roller 4 are rotatably connected between two connecting plates 3
To in horizontal setting.The both ends of the surface of pinch roller 4 offer the chute 5 of circular in cross-section, and the bottom surface of chute 5 is fixedly connected with connection
Bar 6, connecting rod 6 is set in cylinder, and the one end of connecting rod 6 away from the bottom surface of chute 5 is rotationally connected with connecting plate 3, connecting rod 6
On slidably connect several balancing disks 7, balancing disk 7 is set in cylinder, and the both ends of the surface of balancing disk 7 are provided with rounded groove
8, the side wall of balancing disk 7 fits in the side wall of chute 5, and balancing disk 7 offers the opening 9 in inverted " u "-shaped, and opening 9 is down-set,
And the upper surface of opening 9 is slidably connected to connecting rod 6.When needing to increase the weight of pinch roller 4, balancing disk 7 is passed through into opening 9
Insertion connecting rod 6 is put, then balancing disk 7 is pushed into chute 5 along connecting rod 6 and is connected to the bottom surface of chute 5, and can be successively
Multiple balancing disks 7 are placed, the weight of pinch roller 4 is so added by balancing disk 7, improve the effect of road surface rolling.
In order to prevent balancing disk 7 from voluntarily skidding off chute 5, as shown in Figures 2 and 3, connecting plate 3, which is provided with, slips into component, sliding
Enter component and be located at connecting rod towards the first hydraulic cylinder 10 of the side wall of pinch roller 4, first hydraulic cylinder 10 including being fixedly connected on connecting plate 3
6 lower section, and the output shaft of first hydraulic cylinder 10 can be arranged in opening 9, slidably connected on the output shaft of first hydraulic cylinder 10
Plate 11 is abutted, the output sleeve of first hydraulic cylinder 10 is provided with the first spring 12, and the both ends of the first spring 12 are connected to the first liquid respectively
The body of cylinder pressure 10 and plate 11 is abutted towards the local end face of first hydraulic cylinder 10.So when balancing disk 7 is placed in connecting rod 6
When, elongate axis is exported by first hydraulic cylinder 10 and penetrated in opening 9, plate 11 is abutted and abuts balancing disk 7 simultaneously and promote counterweight
Disk 7 moves towards the bottom surface of chute 5, so that it is guaranteed that balancing disk 7 is connected to the bottom surface of chute 5；And exported by first hydraulic cylinder 10
Axle is penetrated in opening 9, and limitation balancing disk 7 follows pinch roller 4 to rotate.
As shown in figure 3, two groups of pull-out assemblies for being used to pull out balancing disk 7 are additionally provided with the output shaft of first hydraulic cylinder 10,
Two groups of pull-out assemblies are symmetricly set in the both sides of the output shaft of first hydraulic cylinder 10, and pull-out assembly includes being opened in first hydraulic cylinder 10
The telescopic chute 13 of output shaft side wall, telescopic chute 13 slidably connect expansion link away from the body of first hydraulic cylinder 10 in telescopic chute 13
14, the one end of expansion link 14 away from the bottom surface of telescopic chute 13 is provided with the inclined plane 15 abutted for the side of opening 9, and inclined plane 15 deviates from
The body of first hydraulic cylinder 10 is set, and is provided with second spring 16 in telescopic chute 13, the both ends of second spring 16 are connected to respectively stretches
The bottom surface of contracting groove 13 and expansion link 14.So when setting the output shaft of first hydraulic cylinder 10 to penetrate in opening 9, inclined plane 15 is connected to
Be open 9 sides, and inclined plane 15 and expansion link 14 are slipped into telescopic chute 13 by the active force of the side of opening 9, and balancing disk 7 is just smoothly sliding
Expansion link 14 is crossed, when expansion link 14 skids off balancing disk 7, second spring 16 promotes expansion link 14 to protrude telescopic chute 13 and is connected to
The bottom surface of groove 8；When needing to pull out balancing weight out of skid off, the output shaft of first hydraulic cylinder 10 is only needed to shrink, expansion link 14
With regard to driving balancing disk 7 to skid off to come out of skid off.
As shown in figure 3, the output shaft of first hydraulic cylinder 10 is also fixedly connected with limited block 17, limited block 17 is set in a ring,
Limited block 17 is divided into the both sides for abutting plate 11 with expansion link 14, and when abutting plate 11 is connected to limited block 17, abuts plate
Space between 11 and expansion link 14 is available for a balancing disk 7 to penetrate.So when first hydraulic cylinder 10 exports elongate axis, abut
Plate 11 promotes balancing disk 7 to slip into chute 5, and lives a balancing disk 7 by the clamping of expansion link 14, when first hydraulic cylinder 10 is defeated
When shaft shrinks, the output shaft of first hydraulic cylinder 10 just drives a balancing disk 7 to skid off cunning.
Slided in order to facilitate balancing disk 7 along connecting rod 6, as shown in figure 5, the side wall that opening 9 abuts with connecting rod 6 is provided with
Several balls 18；So balancing disk 7 is set to slide along connecting rod 6 by ball 18 lighter.
Connecting rod 6 is pulled away from upwards in order to facilitate balancing disk 7, as shown in Figure 1 and Figure 4, two groups of separation groups is provided with body 1
Part, two groups of separation assemblies are symmetricly set in the both sides of pinch roller 4, and separation assembly includes being fixedly connected on the company of the upper surface of connecting plate 3
Frame 24 is connect, link 24 is fixedly connected with motor 19, and for the output shaft of motor 19 in laterally setting, motor 19 is defeated
Shaft is fixedly connected with capstan winch 20, and capstan winch 20 is located at the surface of connecting rod 6, drawstring 21 is wound with capstan winch 20, drawstring 21
Lower surface is fixedly connected with hook 22, and the side wall of balancing disk 7 offers pulling eye 23, and pulling eye 23 is located at the top of opening 9.So
When needing balancing disk 7 being pulled away from connecting rod 6, balancing disk 7 is first pulled out into chute 5, and pulling eye 23 is hooked by hook 22, then
Capstan winch 20 is driven to rotate and drawstring 21 is around in capstan winch 20 by motor 19, thus can be by drawstring 21 by balancing disk
7 are vertically pulled away from connecting rod 6.
When needing to increase the weight of pinch roller 4, multiple balancing disks 7 are inserted into connecting rod 6 by opening 9, then by the
One hydraulic cylinder 10 exports elongate axis, abuts abutting plate 11 and balancing disk 7 and promotes balancing disk 7 to slip into chute 5, so by with
The increase of disk 7 again makes pinch roller 4 add weight；While abutting plate 11 promotes multiple balancing disks 7 to slip into chute 5, the first liquid
The output shaft of cylinder pressure 10 stretch into opening 9 in and the clamping of expansion link 14 is lived outermost balancing disk 7, when need mitigate the weight of pinch roller 4
When, only need the output shaft of first hydraulic cylinder 10 to shrink, the output shaft of first hydraulic cylinder 10 drives outermost balancing disk 7 to skid off chute 5,
Then pulling eye 23 is enough lived by hook 22, and the balancing disk 7 is vertically pulled away from by connecting rod 6 by motor 19, this
Sample just alleviates the weight of pinch roller 4.
Described above is only preferred embodiment of the present utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (8)
1. a kind of road roller, including body（1）, be arranged at body（1）Front-wheel（2）, two it is symmetrical and be fixedly connected on machine
Body（1）The connecting plate of rear end face（3）, be rotationally connected with two connecting plates（3）Pinch roller（4）, it is characterised in that：The pinch roller
（4）Left and right ends offer chute（5）, the chute（5）Bottom surface is fixedly connected with connecting rod（6）, the connecting rod（6）Far
From chute（5）One end of bottom surface is rotationally connected with the body（1）, the connecting plate（3）On slidably connect several counterweights
Disk（7）, the balancing disk（7）External diameter fit in chute（5）Side wall, the balancing disk（7）Offer and conveniently draw balancing weight
From connecting rod（6）Opening（9）, the opening（9）Set in inverted " u "-shaped.
A kind of 2. road roller according to claim 1, it is characterised in that：The connecting plate（3）It is provided with driving balancing disk
（7）Towards chute（5）Bottom surface movement slips into component, and the component that slips into includes being fixedly connected on connecting plate（3）Towards pinch roller
（4）The first hydraulic cylinder of side wall（10）, along the first hydraulic cylinder（10）Output shaft telescopic direction is slidably connected to described first
Hydraulic cylinder（10）The abutting plate of output shaft（11）, be sheathed on the first hydraulic cylinder（10）First spring of output shaft（12）, institute
State the first spring（12）Both ends be connected to the first hydraulic cylinder respectively（10）Body and abutting plate（11）Towards the first hydraulic pressure
Cylinder（10）The end face of body, the first hydraulic cylinder（10）Positioned at the connecting rod（6）Lower section and first hydraulic cylinder（10）Output
Axle is arranged in the opening（9）It is interior, the abutting plate（11）Away from first hydraulic cylinder（10）The movement of body is connected to described match somebody with somebody
Disk again（7）.
A kind of 3. road roller according to claim 2, it is characterised in that：The first hydraulic cylinder（10）It is provided with for inciting somebody to action
Balancing disk（7）The pull-out assembly of pull-out, the pull-out assembly include being opened in the first hydraulic cylinder（10）Output shaft side wall
Telescopic chute（13）, along telescopic chute（13）Length direction is slidably connected to the telescopic chute（13）Expansion link（14）, be arranged at institute
State expansion link（14）Away from telescopic chute（13）Bottom surface one end simultaneously is used to supply the opening（9）The inclined plane that side abuts（15）, set
It is placed in the telescopic chute（13）It is interior and promote the expansion link（14）Protrude from the telescopic chute（13）Second spring（16）, institute
State expansion link（14）The balancing disk can be connected to（7）Side wall.
A kind of 4. road roller according to claim 3, it is characterised in that：The first hydraulic cylinder（10）Output shaft, which is fixed, to be connected
It is connected to limitation and abuts plate（11）Towards first hydraulic cylinder（10）The limited block of body movement（17）, the limited block（17）With it is described
Expansion link（14）It is divided into the abutting plate（11）Both sides, and the abutting plate（11）Abut limited block（17）When, the abutting
Plate（11）With the expansion link（14）Between space be available for a balancing disk（7）Penetrate.
A kind of 5. road roller according to claim 4, it is characterised in that：The pull-out assembly is arranged to two groups, two groups of drawings
Go out component and be symmetricly set in first hydraulic cylinder（10）Output shaft both sides.
A kind of 6. road roller according to claim 1, it is characterised in that：The opening（9）With the connecting rod（6）Abut
Side wall be provided with several balls（18）.
7. according to a kind of road roller described in any one claim of claim 1 to 6, it is characterised in that：The balancing disk
（7）Side wall offers the pulling eye for facilitating rope to pass through（23）, the pulling eye（23）Positioned at the opening（9）Top.
A kind of 8. road roller according to claim 7, it is characterised in that：The body（1）Two groups are provided with by described in match somebody with somebody
Disk again（7）Connecting rod is pulled away from upwards（6）Separation assembly, two groups of separation assemblies are symmetricly set in the pinch roller（4）Both sides, institute
Stating separation assembly includes being fixedly connected on the connecting plate（3）The link of upper surface（24）, be fixedly connected on the link
（24）Motor（19）, be fixedly connected on the motor（19）The capstan winch of output shaft（20）, be wound in the capstan winch
（20）Drawstring（21）, be fixedly connected on the drawstring（21）The hook of lower surface（22）, the capstan winch（20）Positioned at the company
Extension bar（6）Surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721078285.6U CN207143670U (en) | 2017-08-25 | 2017-08-25 | A kind of road roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721078285.6U CN207143670U (en) | 2017-08-25 | 2017-08-25 | A kind of road roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207143670U true CN207143670U (en) | 2018-03-27 |
Family
ID=61670085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721078285.6U Expired - Fee Related CN207143670U (en) | 2017-08-25 | 2017-08-25 | A kind of road roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207143670U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114474320A (en) * | 2022-04-06 | 2022-05-13 | 恒元建筑板业有限公司 | Automatic sand pressing and slurry extracting equipment applied to mortar layer |
| CN116103982A (en) * | 2023-04-04 | 2023-05-12 | 河北圣卓市政工程有限公司 | Road roller for municipal road construction and working method thereof |
-
2017
- 2017-08-25 CN CN201721078285.6U patent/CN207143670U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114474320A (en) * | 2022-04-06 | 2022-05-13 | 恒元建筑板业有限公司 | Automatic sand pressing and slurry extracting equipment applied to mortar layer |
| CN116103982A (en) * | 2023-04-04 | 2023-05-12 | 河北圣卓市政工程有限公司 | Road roller for municipal road construction and working method thereof |
| CN116103982B (en) * | 2023-04-04 | 2023-07-04 | 河北圣卓市政工程有限公司 | Road roller for municipal road construction and working method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180327 Termination date: 20210825 |