CN206772301U - A kind of A-frame for total powerstation - Google Patents
A kind of A-frame for total powerstation Download PDFInfo
- Publication number
- CN206772301U CN206772301U CN201720469926.4U CN201720469926U CN206772301U CN 206772301 U CN206772301 U CN 206772301U CN 201720469926 U CN201720469926 U CN 201720469926U CN 206772301 U CN206772301 U CN 206772301U
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- CN
- China
- Prior art keywords
- block
- fixture block
- bar
- lower fulcrum
- total powerstation
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- 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.)
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a kind of A-frame for total powerstation, including pedestal and the support bar for being rotationally connected with pedestal, support bar includes lower surface and offers the upper rack posts of chute along its axial direction and be embedded in chute and be slidably connected to the lower fulcrum bar of chute, lower fulcrum bar upper end is rotatably connected to fixture block, fixture block is in circular arc and opening up, chute wall is installed with circular arc setting and downward opening limited block, limited block is axially arranged with several along support bar, the neck for unidirectional limit card block is formed between two limited blocks, fixture block is embedded in neck, the adjusting rod that positioning is slidably connected to lower fulcrum bar is equipped with lower fulcrum bar, adjusting rod upper end is provided with the contiguous block being embedded in chute, contiguous block and fixture block are used to make fixture block with the STATEMENT OF FEDERALLY SPONSORED that contiguous block is vertically moving and rotates back to being provided between neck one end.It can prevent that length change causes pedestal to tilt and caused measurement error in measurement process due to support bar, improve the measurement accuracy of total powerstation.
Description
Technical field
It the utility model is related to total powerstation, and in particular to a kind of A-frame for total powerstation.
Background technology
In building field, the high precision apparatus needed for engineering survey is total powerstation.Total powerstation can accurately measure at 2 points
Between the data such as relative distance, angle.General total powerstation all coordinates A-frame to use, and total powerstation is stablized branch by A-frame
Support is on the ground.
Such as a kind of A-frame that notification number is CN205209520U, including a kind of total powerstation levelling device, including three
Adjusting rod, the upper end of three adjusting rods are provided with pedestal, and each adjusting rod includes upper rack posts and lower fulcrum bar, under described
Strut ring is enclosed on the outside of the upper rack posts, is provided with shaft fixing block at the top of the lower fulcrum bar, in the shaft fixing block
It is provided with and connects handle with cogged rotating shaft, described rotating shaft one end, the side of the upper rack posts is provided with matches somebody with somebody with the gear
The grinding tooth used is closed, the side of the lower fulcrum bar is provided with regulating bolt.
In use, if the length of adjusting rod need to be adjusted, regulating bolt, swing handle, handle grip turn axle and gear are unclamped
Rotation, pinion rotation drive upper rack posts to move up or move down, and then adjust pedestal to appropriate height, tighten regulating bolt, incite somebody to action
Pedestal approximation is laid flat.
When the support is used for into total powerstation, if during use is surveyed and drawn, regulating bolt loosens, because total powerstation is heavier,
It is easily caused upper rack posts to move with respect to lower fulcrum bar, tilts pedestal, make to increase measurement error.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of triangle branch for total powerstation
Frame, support total powerstation can be stablized, reducing support bar length change in measurement process causes pedestal to tilt, and improves measurement essence
Degree.
To achieve the above object, the utility model provides following technical scheme：
A kind of A-frame for total powerstation, including pedestal and the support bar for being rotationally connected with pedestal, the support bar
The upper rack posts of chute are offered along its axial direction and be embedded in chute and be slidably connected to the lower fulcrum bar of chute including lower surface, institute
State lower fulcrum bar upper end and be rotatably connected to fixture block, in circular arc and opening up, the chute wall is installed with circle the fixture block
Arc is set and downward opening limited block, the limited block are axially arranged with several along support bar, between two limited blocks
The neck for unidirectional limit card block is formed, the fixture block is embedded in neck, and positioning is equipped with the lower fulcrum bar and slides company
The adjusting rod of lower fulcrum bar is connected to, the adjusting rod upper end is provided with the contiguous block being embedded in chute, contiguous block and the fixture block back of the body
It is used to make fixture block with the STATEMENT OF FEDERALLY SPONSORED that contiguous block is vertically moving and rotates to being provided between neck one end.
By using above-mentioned technical proposal, when support bar need to be adjusted, make adjusting rod with respect to lower fulcrum bar slide downward, so that
Contiguous block slide downward is driven, is rotated up so as to drive fixture block free end to be relatively fixed end, fixture block is left neck, under driving
Pole slides into correct position with respect to upper rack posts.Make adjusting rod with respect to lower fulcrum bar upward sliding, drive contiguous block upwards motion from
And drive fixture block free end to be relatively fixed end slide downward, and entering in neck, neck has the spacing power of an axial direction to fixture block,
It can be relatively fixed lower fulcrum bar and upper rack posts, it is ensured that support bar length after regulation is constant, so as to prevent due to support
Bar length change in measurement process causes pedestal to tilt and caused measurement error, improves the measurement accuracy of total powerstation.
It is of the present utility model to be further arranged to：Lower fulcrum bar upper end both sides are equipped with fixture block, chute both sides side
Wall is equipped with limited block.
By using above-mentioned technical proposal so that when fixture block is embedded in neck, lower fulcrum bar both sides by spacing power,
Make upper rack posts and lower fulcrum bar is more stable is fixed together.
It is of the present utility model to be further arranged to：The adjusting rod includes rotating bar and is fixedly connected on rotating bar upper end
Rotating disk, the rotating bar are threadedly connected to lower fulcrum bar, and the rotating bar upper end and rotating disk are embedded in contiguous block and be rotatablely connected
In contiguous block.
By using above-mentioned technical proposal, when needing the motion of drive connection block, rotating bar is rotated, becomes rotating bar and rotates change edge
It is axially moved, and rotating disk rotates relative to contiguous block, and promotes contiguous block to move upwards.Because rotating bar is threadedly connected to lower branch
Bar, therefore when not rotating rotating bar, rotating bar is fixed with respect to lower fulcrum bar, it is achieved thereby that adjusting rod positioning is slidably connected to lower branch
Bar.
It is of the present utility model to be further arranged to：The STATEMENT OF FEDERALLY SPONSORED is spring, and the STATEMENT OF FEDERALLY SPONSORED both ends are respectively fixedly connected with
In contiguous block and fixture block.
By using above-mentioned technical proposal, when contiguous block driving fixture block free end is rotated up, STATEMENT OF FEDERALLY SPONSORED need to be first compressed
Fixture block can be transmitted the force to by STATEMENT OF FEDERALLY SPONSORED, driving fixture block rotates, and after fixture block leaves neck, STATEMENT OF FEDERALLY SPONSORED also has one to fixture block
Power directed downwardly, driving fixture block free end continue up rotation, it is ensured that when sliding, fixture block will not push against with limited block, can be more convenient
Regulation support pole length.
It is of the present utility model to be further arranged to：Gag lever post, the gag lever post rotation connection are embedded with the STATEMENT OF FEDERALLY SPONSORED
In fixture block, the gag lever post is in scalable setting；When the spacing pole length is most long, the fixture block is located in neck.
By using above-mentioned technical proposal, the degree that can be stretched by gag lever post limitation STATEMENT OF FEDERALLY SPONSORED, it is ensured that in adjusting rod
In the state of being fixed with respect to lower fulcrum bar, due to being exerted a force by force to lower fulcrum bar, cause STATEMENT OF FEDERALLY SPONSORED to be stretched to most long driving fixture block and rotate
Neck is left, makes upper rack posts and lower fulcrum bar is more stable is fixed together.
It is of the present utility model to be further arranged to：The limited block is connected to lower fulcrum bar side wall.
By using above-mentioned technical proposal, so that glide direction progress one of the limited block to lower fulcrum bar is spacing, under making
Pole can only be axially moveable with respect to upper rack posts, it is ensured that support bar is set along straight line.
It is of the present utility model to be further arranged to：The lower fulcrum bar side wall offers groove, and the adjusting rod lower end is located at
In groove.
By using above-mentioned technical proposal, hand can be stretched into groove, rotation regulation is carried out to adjusting rod, be not required to by
Hand reaches lower fulcrum bar lower end, can more easily adjust the length of support bar.
It is of the present utility model to be further arranged to：It is radially provided with block to the upper rack posts lower end edge, outside the lower fulcrum bar
Wall offers the holding tank being adapted with block, and the block is embedded in holding tank and is slidably connected to holding tank；When described
When fixture block is embedded in the neck of bottom, the block is connected to holding tank upper end.
By using above-mentioned technical proposal, block has a spacing power to lower fulcrum bar, it is ensured that is slided in relative upper rack posts
During lower fulcrum bar will not leave upper rack posts, it is ensured that lower fulcrum bar and upper rack posts are more stable links together.
It is of the present utility model to be further arranged to：The projection of the fixture block vertically and block are non-intersect.
By using above-mentioned technical proposal, ensure that limited block can be connected to lower fulcrum bar side wall, rather than be embedded
In holding tank, it is ensured that lower fulcrum bar can smoothly slide with respect to upper rack posts.
It is of the present utility model to be further arranged to：The block is rotationally connected with upper rack posts, and the relative receiving of the block
Groove one end is set in circular arc.
By using above-mentioned technical proposal, when mounted, first lower fulcrum bar is embedded in chute, then rotary block, made
Block is embedded in holding tank, facilitates the connection installation of upper rack posts and lower fulcrum bar.
The utility model has advantages below：The length of support bar can be easily adjusted, and back support rod is finished in regulation
Length will not change, and prevent that length change causes pedestal to tilt and caused measurement error in measurement process due to support bar,
Improve the measurement accuracy of total powerstation.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment（Baffle plate is not embodied）；
Fig. 2 is the sectional view of embodiment；
Fig. 3 is the partial schematic diagram of embodiment；
Fig. 4 is the enlarged drawing at A in Fig. 2；
Fig. 5 is the enlarged drawing at B in Fig. 4
Fig. 6 is the structural representation of guide rod and strut in embodiment；
Fig. 7 is the enlarged drawing at C in Fig. 6.
Reference：1st, pedestal；2nd, support bar；3rd, upper rack posts；4th, lower fulcrum bar；5th, chute；6th, limited block；7th, neck；8、
Block；9th, installing plate；10th, fixture block；11st, adjusting rod；12nd, rotating bar；13rd, rotating disk；14th, contiguous block；15th, STATEMENT OF FEDERALLY SPONSORED；16th, it is spacing
Bar；17th, the first bar；18th, the second bar；19th, elongated slot；20th, stopper slot；21st, spacing preiection；22nd, groove；23rd, effort handle；24th, hold
Receive groove；25th, guide rod；26th, cavity；27th, bull stick；28th, projection；29th, block is abutted；30th, button；31st, return spring；32nd, sliding sleeve；
33rd, exert a force ring；34th, strut；35th, torsion spring.
Embodiment
The utility model is described further referring to the drawings.
As shown in figure 1, a kind of A-frame for total powerstation, including pedestal 1 and the support bar for being rotationally connected with pedestal 1
2, support bar 2 is provided with three and is evenly distributed on the side of pedestal 1 three.Support bar 2 includes upper rack posts 3 and lower fulcrum bar 4.
As shown in Fig. 2 the lower surface of upper rack posts 3 offers chute 5 along its axial direction.The side wall of chute 5 is installed with to be set in circular arc
And downward opening limited block 6, limited block 6 are axially arranged with several along support bar 2, neck 7 is formed between two limited blocks 6.
As shown in figure 3, the lower end edge of upper rack posts 3 its be radially provided with block 8, block 8 is rotationally connected with upper rack posts 3, and the free end of block 8 is in
Circular arc is set.
As shown in figure 4, lower fulcrum bar 4 is embedded in chute 5 and is slidably connected to chute 5, limited block 6 is connected to lower fulcrum bar 4
Side wall.The upper end both sides of lower fulcrum bar 4 are fixed with installing plate 9.Fixture block 10, fixture block 10 are rotatably connected between two pieces of installing plates 9
In the both sides of lower fulcrum bar 4.Fixture block 10 is embedded in neck 7.The limited block that fixture block 10 is positioned above in circular arc and opening direction
6.As shown in Figure 3 and Figure 4, the projection of fixture block 10 vertically and block 8 are non-intersect.
As shown in figure 4, being equipped with adjusting rod 11 in lower fulcrum bar 4, adjusting rod 11 includes rotating bar 12 and is fixedly connected on to turn
The rotating disk 13 of the top of lever 12.Rotating bar 12 is threadedly connected to lower fulcrum bar 4.The upper end of rotating bar 12 is provided with contiguous block 14, contiguous block
14 are sheathed on the upper end of rotating bar 12 and rotating disk 13, and contiguous block 14 is rotationally connected with rotating bar 12 and rotating disk 13.The He of contiguous block 14
Fixture block 10 is back to being provided with STATEMENT OF FEDERALLY SPONSORED 15 between the one end of neck 7.STATEMENT OF FEDERALLY SPONSORED 15 is spring, the both ends of STATEMENT OF FEDERALLY SPONSORED 15 be respectively fixedly connected with
Contiguous block 14 and fixture block 10.
As shown in figure 5, being embedded with gag lever post 16 in STATEMENT OF FEDERALLY SPONSORED 15, gag lever post 16 includes the first bar 17 and the second bar 18.The
The upper end of one bar 17 is fixedly arranged on contiguous block 14.The lower surface of first bar 17 offers elongated slot 19 along its axial direction, and the side wall of elongated slot 19 is along its axle
To offering stopper slot 20.The upper end both sides of second bar 18 are installed with spacing preiection 21, and the upper end of the second bar 18 is embedded in elongated slot 19
And elongated slot 19 is slidably connected to, spacing preiection 21 is embedded in stopper slot 20 and is slidably connected to stopper slot 20.Under second bar 18
End is rotationally connected with fixture block 10.When the length of gag lever post 16 is most long, fixture block 10 is located in neck 7.
As shown in Fig. 2 the side wall of lower fulcrum bar 4 offers groove 22, the lower end of adjusting rod 11 is located in groove 22, under adjusting rod 11
End is radially installed with effort handle 23.As shown in figure 3, the outer wall of lower fulcrum bar 4 offers holding tank 24 along its axial direction, block 8 is embedding
In the holding tank 24 and it is slidably connected to holding tank 24；When fixture block 10 is embedded in the neck 7 of bottom, block 8 abuts
In the upper end of holding tank 24.
As shown in figure 1, the lower surface of pedestal 1 is vertically installed with guide rod 25.As shown in fig. 6, its axle of the interior edge of guide rod 25
To cavity 26 is offered, bull stick 27 is provided with cavity 26, the upper end of bull stick 27 is rotationally connected with guide rod 25.The middle part of bull stick 27 is installed with
Projection 28, projection 28 wears out guide rod 25, and projection 28 radially slides along guide rod 25 and is connected to guide rod 25.The outer wall of guide rod 25 is fixed
Have and abut block 29, abutting block 29, which is located at the top of projection 28 and abuts block 29, to be resilient setting.Projection 28 is back under the side of guide rod 25
Side is set in circular arc.
As shown in fig. 6, the lower end of bull stick 27, which is provided with, wears out the button 30 of guide rod 25, button 30 is along the company of radially sliding of guide rod 25
It is connected to guide rod 25, guide rod 25 is back to being provided with return spring 31 between the side of button 30 and the inwall of cavity 26.The both ends of return spring 31
It is respectively fixedly connected with bull stick 27 back to the side of button 30 and cavity 26 away from the side of button 30.
As shown in fig. 6, being arranged with the sliding sleeve 32 for being slidably connected to guide rod 25 outside guide rod 25, the height of sliding sleeve 32, which is equal to, abuts block
The distance between 29 and projection 28.The outer wall of sliding sleeve 32 is installed with force ring 33 along its circumference.It is provided between sliding sleeve 32 and upper rack posts 3
The strut 34 being obliquely installed, the both ends of strut 34 are rotationally connected with sliding sleeve 32 and upper rack posts 3 respectively.As shown in fig. 7, strut 34 and leading
Torsion spring 35 is provided between rail.Support bar 2 is in vertical state, i.e., when three support bars 2 are collapsed together, torsion spring 35 is in nature shape
State.
The application method of the A-frame is as follows：
During original state, support bar 2 is in vertical state, i.e. three support bars 2 collapse together, and button 30 and projection 28 are equal
It is located in outside guide rod 25.Fixture block 10 is embedded in neck 7, i.e., upper rack posts 3 are in be fixedly connected with lower fulcrum bar 4.
Need in use, pressing button 30, promotion sliding sleeve 32, until its abutting abuts block 29, is then removed to cunning to moving up
The power of set 32 and button 30, bull stick 27 rotate in the presence of return spring 31, projection 28 and button 30 is worn out guide rod 25.
Abutting block 29 drives sliding sleeve 32 to be moved towards projection 28, until it is connected on projection 28, so that sliding sleeve 32 is fixed.Now support
Bar 34 is rotated under the drive of sliding sleeve 32 and strutted, and is deployed so that support bar 2 rotates relative to pedestal 1.
Then adjusting rod 11 is rotated, makes adjusting rod 11 with respect to the slide downward of lower fulcrum bar 4, so as to drive contiguous block 14 to downslide
It is dynamic, it is rotated up so as to drive the free end of fixture block 10 to be relatively fixed end, fixture block 10 is left neck 7, it is high according to needed for pedestal 1
Degree, slided with respect to lower fulcrum bar 4 with respect to upper rack posts 3, make support bar 2 to proper height.
Adjusting rod 11 is rotated backward again, makes adjusting rod 11 with respect to the upward sliding of lower fulcrum bar 4, so as to drive contiguous block 14 upward
Slide, rotated down so as to drive the free end of fixture block 10 to be relatively fixed end, fixture block 10 is embedded in neck 7, neck 7 is to fixture block
10 have a spacing power, upper rack posts 3 is fixed with respect to lower fulcrum bar 4.It is steady to ensure that total powerstation pedestal 1 in measurement supports to it
It is fixed.
After measurement, button 30 is pressed, projection 28 is left sliding sleeve 32, strut 34 rotates in the presence of torsion spring 35
Collapse, so that the slide downward of sliding sleeve 32, support bar 2 collapse.Next time in use, directly by sliding the expansion branch of sliding sleeve 32
Strut 2, the height of pedestal 1 after now the height of pedestal 1 was adjusted equal to last time, is not required to Secondary Control, convenient use.
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 (10)
1. a kind of A-frame for total powerstation, including pedestal（1）Be rotationally connected with pedestal（1）Support bar（2）, it is described
Support bar（2）Including lower surface chute is offered along its axial direction（5）Upper rack posts（3）Be embedded at chute（5）The interior and company of slip
It is connected to chute（5）Lower fulcrum bar（4）, it is characterized in that：The lower fulcrum bar（4）Upper end is rotatably connected to fixture block（10）, the fixture block
（10）In circular arc and opening up, the chute（5）Side wall is installed with circular arc setting and downward opening limited block（6）,
The limited block（6）Along support bar（2）It is axially arranged with several, two limited blocks（6）Between formed for unidirectional spacing
Fixture block（10）Neck（7）, the fixture block（10）It is embedded at neck（7）It is interior, the lower fulcrum bar（4）Inside it is equipped with positioning and slides and connects
It is connected to lower fulcrum bar（4）Adjusting rod（11）, the adjusting rod（11）Upper end is provided with and is embedded at chute（5）Interior contiguous block（14）,
The contiguous block（14）And fixture block（10）Back to neck（7）It is provided between one end and is used to make fixture block（10）With contiguous block（14）Edge
The STATEMENT OF FEDERALLY SPONSORED that vertical direction is moved and rotated（15）.
2. a kind of A-frame for total powerstation according to claim 1, it is characterized in that：The lower fulcrum bar（4）Upper end
Both sides are equipped with fixture block（10）, the chute（5）Both sides side wall is equipped with limited block（6）.
3. a kind of A-frame for total powerstation according to claim 2, it is characterized in that：The adjusting rod（11）Including
Rotating bar（12）Be fixedly connected on rotating bar（12）The rotating disk of upper end（13）, the rotating bar（12）It is threadedly connected to lower fulcrum bar
（4）, the rotating bar（12）Upper end and rotating disk（13）It is embedded at contiguous block（14）It is interior and be rotationally connected with contiguous block（14）.
4. a kind of A-frame for total powerstation according to claim 3, it is characterized in that：The STATEMENT OF FEDERALLY SPONSORED（15）For bullet
Spring, the STATEMENT OF FEDERALLY SPONSORED（15）Both ends are respectively fixedly connected with contiguous block（14）And fixture block（10）.
5. a kind of A-frame for total powerstation according to claim 4, it is characterized in that：The STATEMENT OF FEDERALLY SPONSORED（15）It is embedded
Provided with gag lever post（16）, the gag lever post（16）It is rotationally connected with fixture block（10）, the gag lever post（16）In scalable setting；When
The gag lever post（16）When length is most long, the fixture block（10）Positioned at neck（7）It is interior.
6. a kind of A-frame for total powerstation according to claim 5, it is characterized in that：The limited block（6）Abut
In lower fulcrum bar（4）Side wall.
7. a kind of A-frame for total powerstation according to claim 6, it is characterized in that：The lower fulcrum bar（4）Side wall
Offer groove（22）, the adjusting rod（11）Lower end is located at groove（22）It is interior.
8. a kind of A-frame for total powerstation according to claim 7, it is characterized in that：The upper rack posts（3）Lower end
Radially it is provided with block（8）, the lower fulcrum bar（4）Outer wall offers and block（8）The holding tank being adapted（24）, the gear
Block（8）It is embedded at holding tank（24）It is interior and be slidably connected to holding tank（24）；When the fixture block（10）It is embedded at the card of bottom
Groove（7）When interior, the block（8）It is connected to holding tank（24）Upper end.
9. a kind of A-frame for total powerstation according to claim 8, it is characterized in that：The fixture block（10）Along vertically
The projection in direction and block（8）It is non-intersect.
10. a kind of A-frame for total powerstation according to claim 9, it is characterized in that：The block（8）The company of rotation
It is connected to upper rack posts（3）, and the block（8）With respect to holding tank（24）One end is set in circular arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720469926.4U CN206772301U (en) | 2017-04-28 | 2017-04-28 | A kind of A-frame for total powerstation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720469926.4U CN206772301U (en) | 2017-04-28 | 2017-04-28 | A kind of A-frame for total powerstation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206772301U true CN206772301U (en) | 2017-12-19 |
Family
ID=60635820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720469926.4U Expired - Fee Related CN206772301U (en) | 2017-04-28 | 2017-04-28 | A kind of A-frame for total powerstation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206772301U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113668997A (en) * | 2021-08-18 | 2021-11-19 | 山东铁信建设集团有限公司 | Automatic adjusting mechanism for illumination intensity for green building |
-
2017
- 2017-04-28 CN CN201720469926.4U patent/CN206772301U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113668997A (en) * | 2021-08-18 | 2021-11-19 | 山东铁信建设集团有限公司 | Automatic adjusting mechanism for illumination intensity for green building |
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| 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: 20171219 Termination date: 20200428 |