CN205592267U - Location stud connection structure - Google Patents
Location stud connection structure Download PDFInfo
- Publication number
- CN205592267U CN205592267U CN201620372636.3U CN201620372636U CN205592267U CN 205592267 U CN205592267 U CN 205592267U CN 201620372636 U CN201620372636 U CN 201620372636U CN 205592267 U CN205592267 U CN 205592267U
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- stud
- positioning sleeve
- polished rod
- thread segment
- connection
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- 230000006978 adaptation Effects 0.000 claims abstract description 3
- 230000003044 adaptive effect Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000002349 favourable effect Effects 0.000 abstract 1
- 208000031481 Pathologic Constriction Diseases 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 210000001215 vagina Anatomy 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model discloses a location stud connection structure, including the stud who is equipped with the main part part in threaded connection hole, the connecting element who is equipped with the bolt through -hole, connection subject part and connecting element, stud including middle connection polished rod, set up in the retaining thread section of connecting polished rod one end, set up in the connecting thread section of connecting the polished rod other end be equipped with the position sleeve on the connection polished rod, the external diameter of position sleeve progressively reduces to being close to connecting thread section one end from being close to retaining thread section one end, the maximum outer diameter of position sleeve with the internal diameter looks adaptation of connecting element's bolt through -hole is equipped with positive hexagonal prism shape's installation head coaxially at the tip of connecting thread section. The utility model discloses it lands both can to have shown improves connecting element's positioning accuracy, makes things convenient for its assembly simultaneously, is favorable to improving production efficiency.
Description
Technical field
This utility model relates to a kind of fastener for vehicle, especially relates to a kind of stud with positioning action and connects
Access node structure.
Background technology
At automobile manufacturing field, stud (being also studs) is a kind of to be commonly used between parts connection
Standard component, common structure is to process screw thread respectively at the two ends of a polished rod, then adds in middle polished rod part both sides
Work goes out the breach of symmetry to form flat gesture.Generally, the threaded one end of stud is first connected in a body element by people
In the threaded connection hole preset, and with the flat gesture position of spanner rotation stud, stud is made to be fastened in body element,
Then the union piece set being provided with bolt hole by is set on stud, then passes the one of bolt hole at stud
End nut fastens, thus is fixed together with body element by union piece.Such as, open in Chinese patent literature
One " stud ", notification number is CN202883632U, including the first threaded rod, roofbolt and the second threaded rod, described
One threaded rod, roofbolt and the second threaded rod sequentially connect, and described first threaded rod, roofbolt and the second threaded rod are concentric, and described the
The diameter of one threaded rod is more than the diameter of described second threaded rod, and the diameter of described second threaded rod is more than the straight of described roofbolt
Footpath.This utility model uses the screw thread of different size at the two ends of roofbolt, thus can strengthen and be screwed into body element threaded one end
Intensity, the screw thread coordinated in body element is also strengthened, and protects body element, improves service life.But it is existing
Stud attachment structure have following defects that due to the bolt hole on union piece internal diameter generally be both greater than double end spiral shell
The external diameter of bolt polished rod, is set to union piece set on stud to facilitate, therefore in bolt hole and the double end of union piece
Bigger fit clearance can be formed between bolt, thus reduce the positioning precision between union piece and body element；Instead
It, if the fit clearance reduced between bolt hole and the stud of union piece, although could correspondingly improve connection
Positioning precision between part and body element, but the difficulty that union piece installs can be caused, particularly, when connecting zero
When being fastenedly connected by multiple studs between part and body element, between bolt hole with stud too small coordinate between
Gap can make union piece be difficult to be set on stud.
Utility model content
The purpose of this utility model is that the positioning precision in order to solve existing for existing stud attachment structure is the highest
And the problem of union piece installation difficulty, it is provided that a kind of location stud attachment structure, both can significantly increase connection zero
The positioning precision of part, facilitates it to assemble, to improve production efficiency simultaneously.
To achieve these goals, this utility model is by the following technical solutions:
A kind of location stud attachment structure, including being provided with the body element of threaded connection hole, being provided with bolt hole
Union piece, connection body element and the stud of union piece, described stud includes the connection polished rod of centre, setting
Connect the fixing thread segment of polished rod one end, be arranged on the connection thread segment of the connection polished rod other end, on described connection polished rod
Being provided with positioning sleeve, the outer of described positioning sleeve progressively reduces near connection thread segment one end near fixing thread segment one end without leave,
The maximum outside diameter of described positioning sleeve is suitable with the internal diameter of the bolt hole of described union piece.
This utility model is provided with positioning sleeve, and outer close fixing thread segment one end without leave of positioning sleeve on connection polished rod
Progressively reduce near connection thread segment one end, say, that the lateral wall of positioning sleeve is generally conical shape.During installation, Wo Menke
First the fixing thread segment of stud is fixedly connected in the threaded connection hole of body element, then union piece set is set to
On stud, owing to the maximum outside diameter of positioning sleeve is suitable with the internal diameter of the bolt hole of described union piece, therefore, we
Bolt hole can be made by the size of reasonable design positioning sleeve and is connected polished rod and has bigger between connection thread segment
Gap, what stud diameter was less connect thread segment and connect polished rod and can conveniently enter the bolt hole of union piece
In, thus greatly facilitate the assembling of union piece, it is to avoid because connecting the too small institute of fit clearance between polished rod and bolt hole
The installation difficulty caused.When the bolt hole of union piece arrives positioning sleeve position, the small end of the positioning sleeve that profile is tapered
Can easily enter in bolt hole under the guide effect connecting polished rod.Maximum outside diameter and bolt hole due to positioning sleeve
Internal diameter is suitable, therefore connects and can be formed with, between positioning sleeve and the bolt hole of union piece on polished rod, the mistake beneficially positioned
Cross cooperation, thus make that there is between union piece and body element higher positioning precision on the premise of convenient installation.
As preferably, it is provided with the mounting head of positive hexagon in the end connecting thread segment coaxially, thus conveniently passes through
Stud is securely mounted in the threaded connection hole of body element by spanner.Particularly, when dismantling union piece, Wo Menke
First fix stud with spanner, unscrew the clamp nut connected on thread segment the most again, to avoid stud from main body zero
Get loose on part.
As preferably, being provided with the positioning head of cylinder coaxially in the end of fixing thread segment, described body element is at spiral shell
The bottom of stricture of vagina connecting hole is provided with the location hole adaptive with positioning head coaxially.
When stud is fixed in the threaded connection hole of body element by we, the positioning head of stud and main body
Can be formed between the hole, location of part and be accurately positioned, thus the spiral shell of the fixing thread segment because of stud and body element can be eliminated
The fit clearance bigger between the stricture of vagina connecting hole impact on positioning precision, and be conducive to improving stud and body element
Between perpendicularity.
As preferably, described bolt hole includes the diameter positioning section adaptive with the maximum outside diameter of positioning sleeve and diameter relatively
Little conduction period, described positioning sleeve is axially movably set on connection polished rod, and the two ends of described positioning sleeve are the most equidistantly
Be provided with some axially extended expansion grooves, and the expansion groove at the two ends of positioning sleeve is in the circumferencial direction layout ground layout that misplaces,
The centre position being positioned at adjacent two expansion grooves on the medial wall of described positioning sleeve is equipped with axial guide groove, guide groove
Bottom surface be diameter near fixing thread segment one end near connecting the taper seat that thread segment one end progressively reduces, connect polished rod
It is provided with the guiding raised line adaptive with guide groove the most equally spacedly.
Owing to bolt hole includes the conducting that diameter is less with the positioning section of the maximum outside diameter of positioning sleeve adaptation and diameter
Section, therefore, forms a step between conduction period and positioning section.During installation, the maximum outside diameter of positioning sleeve and bolt hole
Bigger fit clearance can be formed, in order to install between the internal diameter of positioning section.We can be first by the fixing screw thread of stud
Section is fixedly connected in the threaded connection hole of body element, is then set on stud by union piece set, stud
Connect thread segment and connect in the bolt hole that polished rod conveniently enters union piece.Platform between conduction period and positioning section
During the end face of rank conflict positioning sleeve, positioning sleeve can now guide raised line and work along connecting moving axially of polished rod, will set
The positioning sleeve having expansion groove struts, thus realizes the tight fit between positioning sleeve and the positioning section of bolt hole, in order to make connection
Realize gapless hi-Fix between part and body element, do not affect the convenience of installation simultaneously.
As preferably, described positioning sleeve is provided with elastic washer, outside this end face near the end face connecting thread segment one end
Lateral edges is provided with guiding chamfering.
Guiding when guiding chamfering outside positioning sleeve is conducive to union piece to install, and elastic washer i.e. can ensure that location
Tight fit between set and the positioning section of bolt hole, can avoid because the error of the accuracy of manufacture causes the installation of union piece simultaneously
Not in place.
Therefore, this utility model has the advantages that the positioning precision that both can significantly increase union piece, simultaneously
Facilitate it to assemble, be conducive to improving production efficiency.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is a kind of structural representation of positioning sleeve.
Fig. 3 is the positioning sleeve in Fig. 2 and the mounting structure schematic diagram being connected polished rod and union piece.
In figure: 1, body element 11, threaded connection hole 12, hole 2, location, union piece 21, bolt hole 211, fixed
Position section 212, conduction period 3, stud 31, connection polished rod 32, fixing thread segment 33, connection thread segment 34, mounting head
35, positioning head 36, guiding raised line 4, positioning sleeve 41, expansion groove 42, guide groove 43, guiding chamfering 44, elastic washer
5, packing ring 6, clamp nut.
Detailed description of the invention
With detailed description of the invention, this utility model is further described below in conjunction with the accompanying drawings.
As it is shown in figure 1, a kind of location stud attachment structure, including body element 1, union piece 2, connect main body zero
The stud 3 of part and union piece, arranges the threaded connection hole 11 can being connected with stud bolt thread in body element,
Arrange on union piece and be available for the bolt hole 21 that stud passes.Stud includes the connection polished rod 31 of centre, coaxial
Be integrally disposed upon connect polished rod one end fixing thread segment 32, coaxially be integrally disposed upon connect the polished rod other end connection spiral shell
Stricture of vagina section 33.For the ease of statement, we will be defined as lower end near fixing thread segment one end on stud, correspondingly, and will be double
It is defined as upper end near connection thread segment one end on hook bolt.During installation, we can be first solid by the fixing thread segment of stud
Surely it is connected in the threaded connection hole of body element, then union piece set is set on stud, now stud
The bolt hole of union piece is stretched out in upper end, and we install corresponding packing ring 5 and clamp nut 6 in the upper end of stud, i.e.
Can realize between union piece with body element fixing is connected.
In order to realize the hi-Fix of union piece and body element, we can set on the connection polished rod of stud
Putting positioning sleeve 4, the outer of positioning sleeve progressively reduces, namely near connection thread segment one end near fixing thread segment one end without leave
Saying, the lower end of positioning sleeve has maximum outside diameter, and the external diameter of upper end progressively reduces generally conical shape, and positioning sleeve lower end is
Big external diameter is suitable with the internal diameter of union piece bolt hole, and connects the upper end smooth transition that polished rod is less with positioning sleeve external diameter
Connect.So, the connecting thread segment and connecting and can produce bigger between polished rod and the bolt hole of union piece of stud
Gap, when union piece set is set on stud by we, connection thread segment that stud diameter is less and company
Connect in the bolt hole that polished rod can conveniently enter union piece, thus greatly facilitate the assembling of union piece, it is to avoid because of even
Connect too small the caused installation difficulty of the fit clearance between polished rod and bolt hole.When the bolt hole of union piece arrives double
During positioning sleeve position on hook bolt, the small end of positioning sleeve can easily enter bolt hole under the guide effect connecting polished rod
In, the tapered positioning sleeve of profile produces automatic centering effect to union piece.Owing to the maximum outside diameter of positioning sleeve leads to bolt
The internal diameter in hole is suitable, therefore, can form interference fits between positioning sleeve and the bolt hole of union piece, thus in convenient peace
Make to have between union piece and body element higher positioning precision on the premise of dress.
Additionally, we can be coaxially disposed the mounting head 34 of positive hexagon in the end connecting thread segment, when we need
When being securely mounted to by stud in the threaded connection hole of body element, available spanner blocks mounting head, thus convenient turns
Move and tighten stud.Particularly, when dismantling union piece, box spanner can be first enclosed within mounting head fixing double by we
Hook bolt, unscrews the clamp nut connected on thread segment the most again, stud and fastening spiral shell during to avoid turning clamp nut
Mother rotates together, so that stud directly gets loose from body element.
It addition, we also can be coaxially disposed the positioning head 35 of cylinder, correspondingly, main body in the end of fixing thread segment
Part is coaxially disposed the hole, location 12 with positioning head interference fits in the bottom of threaded connection hole, and the length of positioning head is little
The degree of depth in threaded connection hole.When stud is fixed in the threaded connection hole of body element by we, stud
Positioning head is introduced in threaded connection hole, now rotates stud, can make the fixing thread segment screw thread of stud lower end
It is connected on threaded connection hole.Along with the rotation of stud, fixing thread segment gradually gos deep into threaded connection hole, and positioning head is then
Can clamp-on in hole, location, thus realize the hi-Fix between stud and body element.Certainly, we can be at positioning head
End corresponding chamfering is set, in order to positioning head clamp-on location hole in, and can reduce as far as possible positioning head and location hole it
Between maximum fit clearance, to improve the positioning precision between stud and body element.It is understood that we can fit
The local length lengthening positioning head, thus increase the length of fit of stud and body element, be conducive to improving stud
And the perpendicularity between body element, and then be conducive to the positioning precision improving union piece with body element.
Further, positioning sleeve of the present utility model can be made into Split type structure with being connected between polished rod.Specifically, as Fig. 2,
Shown in Fig. 3, positioning sleeve is axially movably set on connection polished rod, and the two ends up and down of positioning sleeve are the most equally spaced arranges 6
Individual axially extended expansion groove 41, and the expansion groove at the upper and lower two ends of positioning sleeve is in the circumferencial direction layout ground layout that misplaces, the most just
Being to say, between adjacent two expansion grooves, corresponding central angle is 30 degree.Adjacent two expansion grooves it are positioned on the medial wall of positioning sleeve
Centre position be respectively provided with the guide groove 42 at the upper and lower two ends of the most through positioning sleeve, thus shape on the medial wall of positioning sleeve
Becoming 12 guide grooves, the diameter of guide groove bottom surface connects thread segment one end progressively near fixing thread segment one end to close
Reduce, say, that the bottom surface of guide groove is the taper seat that lower end is big, upper end is little.Correspondingly, we also need to connect polished rod
Periphery on arrange 12 equally spacedly and axially extend and the guiding raised line 36 adaptive with guide groove, say, that
The lateral surface guiding raised line is also the taper seat that lower end is big, upper end is little.When positioning sleeve moves down on stud, guide
Raised line can promote positioning sleeve expanded radially, and the expansion well width of positioning sleeve becomes big, and the maximum outside diameter of positioning sleeve is increased up tightly
Tight against the medial wall by bolt hole, thus realize the hi-Fix of union piece.In order to drive positioning sleeve to axially move,
The bolt hole of union piece includes near the positioning section that body element side and diameter are adaptive with the maximum outside diameter of positioning sleeve
211 and away from the less conduction period 212 of body element side diameter, so that bolt hole forms shoulder hole.So, when
When union piece set is set on stud by we, connection thread segment that stud diameter is less and connect polished rod successively
Enter the positioning section of bolt hole, conduction period, when positioning sleeve enters positioning section and during against the cascaded surface of positioning section and conduction period,
Positioning sleeve is i.e. prevented from, thus moves to lower end on polished rod connecting, and the maximum outside diameter of positioning sleeve is then stepped up.Work as connection
Part is installed when putting in place, and the maximum outside diameter of positioning sleeve reaches maximum, thus formed with bolt hole and coordinate closely, it is achieved even
Being accurately positioned of pipe fitting and body element.It is stepped up in installation process during due to the maximum outside diameter of positioning sleeve, therefore,
We can easily install union piece, it is to avoid the installation difficulty caused because of the mistake tight fit between positioning sleeve and bolt hole.
Finally, we can arrange guiding chamfering at the positioning sleeve outer ledge near the upper surface connecting thread segment one end
43, in order to positioning sleeve enters in the positioning section of bolt hole, arranges the bullet that rubber is made on the upper surface of positioning sleeve simultaneously
Property packing ring 44, so, positioning sleeve enters positioning section and during against the cascaded surface of positioning section and conduction period, positioning sleeve and cascaded surface it
Between can form buffering.Therefore, when the outside distending of positioning sleeve is close to the positioning section medial wall of bolt hole, union piece still may be used
There to be the movement of trace, until fitting with body element and installing and put in place, it is to avoid because scale error causes the installation of union piece
Not in place.
Claims (5)
1. a location stud attachment structure, including being provided with the body element of threaded connection hole, being provided with the company of bolt hole
Pipe fitting, connection body element and the stud of union piece, described stud includes the connection polished rod of centre, is arranged on
Connect the fixing thread segment of polished rod one end, be arranged on the connection thread segment connecting the polished rod other end, it is characterized in that, in described connection
Polished rod is provided with positioning sleeve, and the outer of described positioning sleeve connects thread segment one end progressively near fixing thread segment one end to close without leave
Reducing, the maximum outside diameter of described positioning sleeve is suitable with the internal diameter of the bolt hole of described union piece.
A kind of location the most according to claim 1 stud attachment structure, is characterized in that, in the end connecting thread segment
It is provided with the mounting head of positive hexagon coaxially.
A kind of location the most according to claim 1 stud attachment structure, is characterized in that, in the end of fixing thread segment
Being provided with the positioning head of cylinder coaxially, described body element is provided with adaptive with positioning head coaxially in the bottom of threaded connection hole
Hole, location.
4., according to a kind of location stud attachment structure described in claim 1 or 2 or 3, it is characterized in that, described bolt hole
Including the conduction period that diameter is less with the positioning section of the maximum outside diameter of positioning sleeve adaptation and diameter, described positioning sleeve axially-displaceable
Being set on connection polished rod, the two ends of described positioning sleeve are the most equally spaced is provided with some axially extended expansion grooves dynamicly, and
And the expansion groove at the two ends of positioning sleeve is in the circumferencial direction layout ground layout that misplaces, and the medial wall of described positioning sleeve is positioned at adjacent two
The centre position of individual expansion groove is equipped with axial guide groove, and the bottom surface of guide groove is that diameter is near fixing thread segment one
End near connecting the taper seat that progressively reduces of thread segment one end, connect polished rod be provided with the most equally spacedly with guide logical
The guiding raised line that groove is adaptive.
A kind of location the most according to claim 4 stud attachment structure, is characterized in that, described positioning sleeve is near connecting
The end face of thread segment one end is provided with elastic washer, and the outer ledge of this end face is provided with guiding chamfering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620372636.3U CN205592267U (en) | 2016-04-27 | 2016-04-27 | Location stud connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620372636.3U CN205592267U (en) | 2016-04-27 | 2016-04-27 | Location stud connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205592267U true CN205592267U (en) | 2016-09-21 |
Family
ID=56933326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620372636.3U Active CN205592267U (en) | 2016-04-27 | 2016-04-27 | Location stud connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205592267U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763514A (en) * | 2016-12-29 | 2017-05-31 | 重庆腾增模具制造有限公司 | vertical speed reducer |
| CN107030479A (en) * | 2016-12-26 | 2017-08-11 | 北京金风科创风电设备有限公司 | Dislocation adjusting device and flange dislocation adjusting method |
| CN107717845A (en) * | 2017-11-21 | 2018-02-23 | 索格菲（苏州）汽车部件有限公司 | A kind of predetermined set of the not de- bolt of pine |
| CN112373284A (en) * | 2020-11-10 | 2021-02-19 | 奇瑞汽车股份有限公司 | Power assembly suspension arrangement structure, assembly method thereof and vehicle |
-
2016
- 2016-04-27 CN CN201620372636.3U patent/CN205592267U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107030479A (en) * | 2016-12-26 | 2017-08-11 | 北京金风科创风电设备有限公司 | Dislocation adjusting device and flange dislocation adjusting method |
| CN107030479B (en) * | 2016-12-26 | 2019-05-24 | 北京金风科创风电设备有限公司 | Dislocation adjusting device and flange dislocation adjusting method |
| CN106763514A (en) * | 2016-12-29 | 2017-05-31 | 重庆腾增模具制造有限公司 | vertical speed reducer |
| CN106763514B (en) * | 2016-12-29 | 2023-05-09 | 重庆腾增模具制造有限公司 | Vertical speed reducer |
| CN107717845A (en) * | 2017-11-21 | 2018-02-23 | 索格菲（苏州）汽车部件有限公司 | A kind of predetermined set of the not de- bolt of pine |
| CN112373284A (en) * | 2020-11-10 | 2021-02-19 | 奇瑞汽车股份有限公司 | Power assembly suspension arrangement structure, assembly method thereof and vehicle |
| CN112373284B (en) * | 2020-11-10 | 2022-03-15 | 奇瑞汽车股份有限公司 | Power assembly suspension arrangement structure, assembly method thereof and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315602 Ninghai City, Ningbo Province, Li Yang Town, home Hill Road, No. 1 Patentee after: ZHIDOU ELECTRIC VEHICLE Co.,Ltd. Address before: 315602 Ninghai City, Ningbo Province, Li Yang Town, home Hill Road, No. 1 Patentee before: ZHIDOU ELECTRIC VEHICLES SALES CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Location stud connection structure Effective date of registration: 20171211 Granted publication date: 20160921 Pledgee: Xingye Bank Limited by Share Ltd. Ningbo Ninghai branch Pledgor: ZHIDOU ELECTRIC VEHICLE Co.,Ltd. Registration number: 2017330000278 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20190412 Granted publication date: 20160921 |
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| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210222 Granted publication date: 20160921 |
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| PD01 | Discharge of preservation of patent | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20210222 Granted publication date: 20160921 |
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| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20240222 Granted publication date: 20160921 |
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| PD01 | Discharge of preservation of patent |