CN209494508U - Adjustable engineering ladder - Google Patents
Adjustable engineering ladder Download PDFInfo
- Publication number
- CN209494508U CN209494508U CN201821932513.6U CN201821932513U CN209494508U CN 209494508 U CN209494508 U CN 209494508U CN 201821932513 U CN201821932513 U CN 201821932513U CN 209494508 U CN209494508 U CN 209494508U
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- 230000007306 turnover Effects 0.000 claims abstract description 5
- 238000009413 insulation Methods 0.000 claims description 10
- 239000011148 porous material Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to engineering ladder technical fields, it is a kind of adjustable engineering ladder, including armature assembly, after-poppet assembly, preceding overturning top plate, top plate, left sliding pin and right sliding pin are overturn afterwards, armature assembly is identical with after-poppet assembly structure and front and back is in mirror symmetry, it is hinged with preceding turn-over top front edge of board on rear side of armature assembly upper end, hinged with rear overturning top plate rear end on front side of after-poppet assembly upper end, the rear end of preceding overturning top plate and the front end of rear overturning top plate are hinged.The utility model reasonable and compact in structure, is skillfully constructed, and by hingedly installing, realizes that the distance between armature assembly and after-poppet assembly are adjustable；By the angle adjustment between armature assembly and after-poppet assembly, realize that height is adjustable；By left sliding pins position in different left circular holes, the angle fixation adjusted between armature assembly and after-poppet assembly is realized, have the characteristics that reliable, stable and safety.
Description
Technical field
The utility model relates to engineering ladder technical fields, are a kind of adjustable engineering ladders.
Background technique
With the continuous development of science and technology, network communication and computer technology are widely applied, and improve people
Working efficiency.In recent years, with the continuous investment of distribution fund, distribution operation conditions is greatly improved, but
It is taken place frequently with a peak period low voltage failure, power supply repairing work is further heavy, and in repairing work, engineering ladder is indispensable tool
One of.Currently, common engineering ladder does not have the function of height adjustment, and the distance between two brackets it is mostly be it is fixed, in reality
Many troubles are brought on border in, if placing space is narrow, can not be placed engineering ladder and be carried out construction operation；In addition, existing work
Journey ladder is mostly the supporting leg and ground face contact of ladder, is easy to cause ladder to place after a long time unstable, is not available, can only
The engineering ladder more renewed causes the waste of material, and since engineering ladder is excessively big, cannot achieve a people and carries.
Summary of the invention
The utility model provides a kind of adjustable engineering ladder, overcomes the defects of the prior art, and can effectively solve
Certainly distance fixed the problem of cannot be adjusted between non-adjustable and two brackets of current engineering ladder height, moreover it is possible to further solve engineering ladder
Lower end abrasion after place it is unstable, and can not a people carry the problem of.
The technical solution of the utility model is realized by following measures: a kind of adjustable engineering ladder, including preceding branch
Frame assembly, preceding overturning top plate, overturns top plate, left sliding pin and right sliding pin, armature assembly and after-poppet at after-poppet assembly afterwards
Assembly structure is identical and front and back is in mirror symmetry, and armature assembly upper end rear side is hinged with preceding turn-over top front edge of board, after
It is hinged with rear overturning top plate rear end on front side of bracket assembly upper end, the front end of the rear end of preceding overturning top plate and rear overturning top plate
It is hinged；Armature assembly includes ladder plate, and middle part is equipped with about at least three ladders being spaced apart on front side of ladder plate
Through-hole, the ladder plate front side of corresponding ladder hole left location are equipped with the left slip hole of front and back perforation, corresponding ladder hole right position
Ladder plate on front side of be equipped with the right slip hole of front and back perforation, left slip hole is identical with right sliding pore structure and in left and right mirror symmetry
Distribution；Left slip hole includes left long hole and about at least two left circular holes that are spaced apart, and every two adjacent left circular holes pass through
Left long hole connection, the left circular hole of corresponding the top is interior to be equipped with left sliding pin, and left sliding pin includes successively being fixedly mounted from front to back
Front limit portion, adjustment section and rear limiting section together, front limit portion are identical with rear limiting section structure and symmetrical in front of and after image
Distribution, front limit portion are located in front of armature assembly, and adjustment section rear and front end is located in corresponding left circular hole, and rear limiting section is located at
After-poppet assembly rear, adjustment section are rectangular shaft, and adjustment section is the first section in the section of perpendicular, and the long of the first section claims
For the first length, the wide of the first section is known as the second length, and the width of Zuo Changkong is known as third length, and the first length is greater than third
Length, the second length are less than third length, and front limit portion is rectangular block, and front limit portion is second section in the section of perpendicular
Face, the length in the second section are known as the 4th length, and the diameter of Zuo Yuankong is known as the 5th length, and the 4th length is greater than the 5th length；It is right
Slip hole includes right long hole and about at least two right circular holes that are spaced apart, and every two adjacent right circular holes pass through right long hole and connect
It is logical, right sliding is equipped in the right circular hole of corresponding the top and is sold, and right sliding pin is identical with left sliding latch structure and is in left and right mirror image pair
Claim distribution.
Here is the further optimization and/or improvements to above-mentioned utility model technical solution:
Above-mentioned armature assembly may also include left bolt and right pin, and left bolt includes that left sliding section and a left side enter location, left
Sliding section right end enters location upper end with a left side and is fixedly installed togather, and ladder plate left lower center, which is equipped with, can make left sliding Duan Qi
The left slot inside moved up and down, ladder plate lower end left part center are equipped with the left blind hole that can be connected to left slot, left sliding section right part
In the slot of left, a left side enters location and is located in left blind hole；Right pin includes right sliding section and the right side enters location, right sliding section left end with
The right side enters location upper end and is fixedly installed togather, and ladder plate lower right side center, which is equipped with, can make to move up and down in right sliding Duan Qi
Right slot, ladder plate lower end right part center are equipped with the right blind hole that can be connected to right slot, and right sliding section left part is located in the slot of right,
The right side enters location and is located in right blind hole.
Above-mentioned armature assembly may also include idler wheel axle bed and idler wheel, under corresponding on the left of the ladder plate of left slot top position
Portion is equipped with idler wheel axle bed, is equipped with idler wheel in idler wheel axle bed.
Above-mentioned to may also include front handlebar and rear handle, preceding overturning top plate upper-center is equipped with preceding mounting groove, in preceding mounting groove
Equipped with front handlebar, front handlebar rear end and preceding overturning top plate are hinged, and the rear top plate upper-center that overturns is equipped with rear mounting groove, after
Rear handle is equipped in mounting groove, rear handle front end and rear overturning top plate are hinged.
Above-mentioned armature assembly may also include wearing bush, and a corresponding left side enters location and the right side and enters between location under the ladder plate of position
End is fixedly installed with wearing bush.
Above-mentioned armature assembly may also include insulation footboard, and ladder through-hole is rectangular through-hole, under corresponding each ladder through-hole
End is fixedly installed with insulation footboard.
Above-mentioned to may also include articulated shaft and support plate, the rear end and the rear front end for overturning top plate of preceding overturning top plate pass through hinged
Axis is hinged, and articulated shaft lower end is fixedly installed with the support plate between armature assembly and after-poppet assembly.
Above-mentioned left slip hole may include two left long holes and about three left circular holes uniformly at intervals, every two adjacent left circles
Kong Jun is connected to by left long hole.
The utility model reasonable and compact in structure, is skillfully constructed, and by hingedly installing, realizes armature assembly and after-poppet
The distance between assembly is adjustable；By the angle adjustment between armature assembly and after-poppet assembly, realize that height is adjustable；Pass through
Left sliding pins position realizes the angle fixation adjusted between armature assembly and after-poppet assembly in different left circular holes,
Has the characteristics that reliable, stable and safety.
Detailed description of the invention
Attached drawing 1 is the main view broken section structural schematic diagram of the best embodiment of the utility model.
Attached drawing 2 is the right view broken section structural schematic diagram of attached drawing 1.
Coding in attached drawing is respectively as follows: 1 for preceding overturning top plate, 2 be after overturn top plate, 3 be ladder plate, and 4 be ladder through-hole,
5 be Zuo Changkong, and 6 be Zuo Yuankong, and 7 be front limit portion, and 8 be adjustment section, and 9 be rear limiting section, and 10 be right long hole, and 11 be right circular hole,
12 be left sliding section, and 13 enter location for a left side, and 14 be left slot, and 15 be support plate, and 16 be right sliding section, and 17 enter location for the right side, 18
It is right blind hole for right slot, 19,20 be idler wheel axle bed, and 21 be idler wheel, and 22 be wearing bush, and 23 be insulation footboard, and 24 be articulated shaft,
25 be preceding mounting groove, and 26 be front handlebar.
Specific embodiment
The utility model is not limited by following embodiments, can technical solution according to the present utility model and actual conditions
Determine specific embodiment.
In the present invention, for ease of description, the description of the relative positional relationship of each component is according to specification
The Butut mode of attached drawing 1 is described, such as: front, rear, top, and bottom, left and right positional relationship be according to Figure of description
Butut direction determine.
The utility model is further described below with reference to examples and drawings:
As shown in attached drawing 1,2, the adjustable engineering ladder include armature assembly, after-poppet assembly, preceding overturning top plate 1, after
Top plate 2, left sliding pin and right sliding pin are overturn, armature assembly is identical with after-poppet assembly structure and front and back is in mirror symmetry,
It is hinged with 1 front end of preceding overturning top plate on rear side of armature assembly upper end, top plate 2 is overturn with rear on front side of after-poppet assembly upper end
Rear end is hinged, and the rear end of preceding overturning top plate 1 and the front end of rear overturning top plate 2 are hinged；Armature assembly includes
Ladder plate 3,3 front side middle part of ladder plate are equipped with about at least three ladder through-holes 4 being spaced apart, corresponding ladder hole left location
Ladder plate 3 on front side of be equipped with the left slip hole of front and back perforation, passed through on front side of the ladder plate 3 of corresponding ladder hole right position equipped with front and back
Logical right slip hole, left slip hole is identical with right sliding pore structure and is distributed in left and right mirror symmetry；Left slip hole includes left length
Hole 5 and about at least two left circular holes 6 that are spaced apart, every two adjacent left circular holes 6 are connected to by left long hole 5, it is corresponding most
It is equipped with left sliding in the left circular hole 6 of top to sell, left sliding pin includes the front limit portion being successively fixedly installed togather from front to back
7, adjustment section 8 and rear limiting section 9, front limit portion 7 is identical with rear 9 structure of limiting section and symmetrical in front of and after image, front limit
Portion 7 is located in front of armature assembly, and 8 rear and front end of adjustment section is located in corresponding left circular hole 6, and rear limiting section 9 is located at after-poppet
Assembly rear, adjustment section 8 are rectangular shaft, and adjustment section 8 is the first section in the section of perpendicular, and the length in the first section is known as the
One length, the wide of the first section are known as the second length, and the width of Zuo Changkong 5 is known as third length, and it is long that the first length is greater than third
Degree, the second length are less than third length, and front limit portion 7 is rectangular block, and front limit portion 7 is second section in the section of perpendicular
Face, the length in the second section are known as the 4th length, and the diameter of Zuo Yuankong 6 is known as the 5th length, and the 4th length is greater than the 5th length；It is right
Slip hole includes right long hole 10 and about at least two right circular holes 11 that are spaced apart, and every two adjacent right circular holes 11 pass through the right side
Long hole 10 is connected to, and is equipped with right sliding in the right circular hole 11 of corresponding the top and is sold, and right sliding pin is identical with left sliding latch structure and is in
The distribution of left and right mirror symmetry.In use, respectively by armature assembly with preceding overturning top plate 1 is hinged, preceding turns over
Turn top plate 1 and rear overturning top plate 2 is hinged, and overturning top plate 2 and after-poppet assembly are hinged afterwards, branch before realizing
The distance between frame assembly and after-poppet assembly are adjustable, avoid the distance between armature assembly and after-poppet assembly fixed, nothing
Method realizes the construction operation when narrow space of job location, and when job location narrow space, overturning top plate 1 is with after before need to only making
Top plate 2 is overturn in the V-arrangement that Open Side Down, and reduces the angle between armature assembly and after-poppet assembly, finally by left sliding
Enter corresponding left circular hole 6 after selling rotated ninety degrees, enters corresponding right circular hole 11 after rotated ninety degrees are sold in left sliding, complete
Fixation to armature assembly and after-poppet assembly, so that construction operation stable when the narrow space of job location can be realized；
Similarly, the above method can also realize the increase of the utility model height indirectly.
Above-mentioned adjustable engineering ladder can be made further optimization and/or improvements according to actual needs:
As shown in attached drawing 1,2, armature assembly further includes left bolt and right pin, and left bolt includes left sliding section 12 and a left side
Enter location 13, left 12 right end of sliding section enters 13 upper end of location with a left side and is fixedly installed togather, and 3 left lower center of ladder plate is equipped with
The left slot 14 that left sliding section 12 can be made to move up and down in it, 3 lower end left part center of ladder plate, which is equipped with, to be connected with left slot 14
Logical left blind hole, left 12 right part of sliding section are located in left slot 14, and a left side enters location 13 and is located in left blind hole；Right pin includes right cunning
It moves section 16 and the right side enters location 17, right 16 left end of sliding section enters 17 upper end of location with the right side and is fixedly installed togather, under 3 right side of ladder plate
Portion center, which is equipped with, can make the right right slot 18 that moves up and down in it of sliding section 16, and 3 lower end right part center of ladder plate is equipped with can be with
The right blind hole 19 that right slot 18 is connected to, right 16 left part of sliding section are located in right slot 18, and the right side enters location 17 and is located in right blind hole 19.
In use, the utility model is placed on to the place for needing to carry out construction operation, left 12 left part of sliding section is stepped on by foot
And right 16 right part of sliding section can be realized that a left side enters location 13 and the right side enters location 17 into ground, realize consolidating for the utility model
It is fixed, keep the utility model more reliable and more stable in use.
As shown in attached drawing 1,2, armature assembly further includes idler wheel axle bed 20 and idler wheel 21, corresponding 14 top position of left slot
3 left lower of ladder plate be equipped with idler wheel axle bed 20, idler wheel 21 is installed in idler wheel axle bed 20.In use, it needs pair
When the utility model is carried, the utility model is rotated to the left, makes idler wheel 21 and ground face contact, pulling the utility model is
The utility model can be achieved to carry.
It further include front handlebar 26 and rear handle as shown in attached drawing 1,2, preceding 1 upper-center of overturning top plate is equipped with preceding mounting groove
25, preceding mounting groove 25 is interior to be equipped with front handlebar 26, and 26 rear end of front handlebar and preceding overturning top plate 1 are hinged, rear to overturn on top plate 2
End center is equipped with rear mounting groove, and rear handle is equipped in rear mounting groove, and rear handle front end and rear overturning top plate 2 are hinged.?
In use process, it is convenient for cooperating with idler wheel 21 by setting left handle and right handle, realizes that this is practical convenient for a staff
Novel carrying.
As shown in attached drawing 1,2, armature assembly further includes wearing bush 22, and a corresponding left side enters location 13 and the right side and enters between location 17
3 lower end of ladder plate of position is fixedly installed with wearing bush 22.In use, it can not only be increased by setting wearing bush 22 and be climbed
The frictional force on 3 lower end of gangboard and ground increases, moreover it is possible to and prevent 3 lower end of ladder plate from wearing,
As shown in attached drawing 1,2, armature assembly further includes insulation footboard 23, and ladder through-hole 4 is rectangular through-hole, corresponding each
4 lower end of ladder through-hole is fixedly installed with insulation footboard 23.In use, constructor is convenient for by setting insulation footboard 23
Member's climbing.
It further include articulated shaft 24 and support plate 15, the rear end of preceding overturning top plate 1 and afterwards overturning top plate 2 as shown in attached drawing 1,2
Front end by articulated shaft 24 it is hinged, 24 lower end of articulated shaft is fixedly installed with positioned at armature assembly and after-poppet assembly
Between support plate 15.In use, the utility model can be made more steady in construction operation by the way that support plate 15 is arranged
It is fixed reliable.
As shown in attached drawing 1,2, left slip hole includes two left long holes 5 and about three left circular holes 6 uniformly at intervals, and every two
Adjacent left circular hole 6 is connected to by left long hole 5.In use, by the way that multiple left circular holes 6 are arranged, make armature assembly
It can be realized and be fixed by left sliding pin after angle adjustment between after-poppet assembly.
The above technical characteristic constitutes the most preferred embodiment of the utility model, with stronger adaptability and best implementation
Effect can increase and decrease non-essential technical characteristic, according to actual needs to meet the needs of different situations.
Claims (10)
1. a kind of adjustable engineering ladder, it is characterised in that including armature assembly, after-poppet assembly, preceding overturning top plate, rear overturning
Top plate, left sliding pin and right sliding pin, armature assembly is identical with after-poppet assembly structure and front and back is in mirror symmetry, fore-stock
It is hinged with preceding turn-over top front edge of board on rear side of assembly upper end, it is hinged with rear overturning top plate rear end on front side of after-poppet assembly upper end
Together, the rear end of preceding overturning top plate and the front end of rear overturning top plate are hinged；Armature assembly includes ladder plate, ladder
Middle part is equipped with about at least three ladder through-holes being spaced apart on front side of plate, sets on front side of the ladder plate of corresponding ladder hole left location
The left slip hole for having front and back to penetrate through, the ladder plate front side of corresponding ladder hole right position is equipped with the right slip hole of front and back perforation, left
Slip hole is identical with right sliding pore structure and is distributed in left and right mirror symmetry；Left slip hole includes left long hole and about at least two
The left circular hole being spaced apart, every two adjacent left circular holes pass through left long hole and are connected to, and are equipped with a left side in the left circular hole of corresponding the top
Sliding pin, left sliding pin includes front limit portion, adjustment section and the rear limiting section being successively fixedly installed togather from front to back, preceding limit
Position portion is identical with rear limiting section structure and symmetrical in front of and after image, and front limit portion is located in front of armature assembly, adjustment section
Rear and front end is located in corresponding left circular hole, and rear limiting section is located at after-poppet assembly rear, and adjustment section is rectangular shaft, and adjustment section exists
The section of perpendicular is the first section, and the length in the first section is known as the first length, and the wide of the first section is known as the second length, a left side
The width of long hole is known as third length, and the first length is greater than third length, and the second length is less than third length, and front limit portion is square
Shape block, front limit portion are the second section in the section of perpendicular, and the length in the second section is known as the 4th length, the diameter of Zuo Yuankong
Referred to as the 5th length, the 4th length are greater than the 5th length；Right slip hole includes that right long hole and about at least two are spaced apart
Right circular hole, every two adjacent right circular holes pass through right long hole and are connected to, and are equipped with right sliding in the right circular hole of corresponding the top and sell, right cunning
It moves and sells identical with left sliding latch structure and be distributed in left and right mirror symmetry.
2. adjustable engineering ladder according to claim 1, it is characterised in that armature assembly further includes that left bolt and the right side are inserted
Pin, left bolt includes left sliding section and a left side enters location, and left sliding section right end enters location upper end with a left side and is fixedly installed togather, ladder
Plate left lower center is equipped with the left slot that can make to move up and down in left sliding Duan Qi, and ladder plate lower end left part center is equipped with energy
The left blind hole being connected to left slot, left sliding section right part are located in the slot of left, and a left side enters location and is located in left blind hole；Right pin includes
Right sliding section and the right side enter location, and right sliding section left end enters location upper end with the right side and is fixedly installed togather, in ladder plate lower right side
Centre is equipped with the right slot that can make to move up and down in right sliding Duan Qi, and ladder plate lower end right part center is equipped with and can be connected to right slot
Right blind hole, right sliding section left part is located in the slot of right, and the right side enters location and is located in right blind hole.
3. adjustable engineering ladder according to claim 2, it is characterised in that armature assembly further includes idler wheel axle bed and rolling
Wheel, the ladder plate left lower of corresponding left slot top position are equipped with idler wheel axle bed, are equipped with idler wheel in idler wheel axle bed.
4. adjustable engineering ladder according to claim 3, it is characterised in that further include front handlebar and rear handle, preceding turn-over top
Plate upper-center is equipped with preceding mounting groove, is equipped with front handlebar in preceding mounting groove, and front handlebar rear end and preceding overturning top plate are hinged,
Overturning top plate upper-center is equipped with rear mounting groove afterwards, and rear handle, rear handle front end and rear overturning top plate hinge are equipped in rear mounting groove
It is connected together.
5. the adjustable engineering ladder according to Claims 2 or 3 or 4, it is characterised in that armature assembly further includes wearing bush,
A corresponding left side enter location and it is right enter location between the ladder plate lower end of position be fixedly installed with wearing bush.
6. adjustable engineering ladder according to claim 1 or 2 or 3 or 4, it is characterised in that armature assembly further includes insulation
Pedal, ladder through-hole are rectangular through-hole, and corresponding each ladder through-hole lower end is fixedly installed with insulation footboard.
7. adjustable engineering ladder according to claim 5, it is characterised in that armature assembly further includes insulation footboard, ladder
Through-hole is rectangular through-hole, and corresponding each ladder through-hole lower end is fixedly installed with insulation footboard.
8. adjustable engineering ladder described according to claim 1 or 2 or 3 or 4 or 7, it is characterised in that further include articulated shaft and branch
Fagging, the rear end of preceding overturning top plate and the front end of rear overturning top plate are hinged by articulated shaft, the fixed peace in articulated shaft lower end
Equipped with the support plate between armature assembly and after-poppet assembly.
9. adjustable engineering ladder according to claim 6, it is characterised in that further include articulated shaft and support plate, preceding turn-over top
The rear end of plate and the front end of rear overturning top plate are hinged by articulated shaft, and articulated shaft lower end is fixedly installed with positioned at fore-stock
Support plate between assembly and after-poppet assembly.
10. adjustable engineering ladder described according to claim 1 or 2 or 3 or 4 or 7 or 9, it is characterised in that left slip hole includes
Two left long holes and about three left circular holes uniformly at intervals, every two adjacent left circular holes pass through left long hole and are connected to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821932513.6U CN209494508U (en) | 2018-11-22 | 2018-11-22 | Adjustable engineering ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821932513.6U CN209494508U (en) | 2018-11-22 | 2018-11-22 | Adjustable engineering ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209494508U true CN209494508U (en) | 2019-10-15 |
Family
ID=68151765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821932513.6U Withdrawn - After Issue CN209494508U (en) | 2018-11-22 | 2018-11-22 | Adjustable engineering ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209494508U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109403842A (en) * | 2018-11-22 | 2019-03-01 | 国网新疆电力有限公司阿克苏供电公司 | Adjustable engineering ladder |
-
2018
- 2018-11-22 CN CN201821932513.6U patent/CN209494508U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109403842A (en) * | 2018-11-22 | 2019-03-01 | 国网新疆电力有限公司阿克苏供电公司 | Adjustable engineering ladder |
| CN109403842B (en) * | 2018-11-22 | 2024-05-03 | 国网新疆电力有限公司阿克苏供电公司 | Adjustable engineering ladder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20191015 Effective date of abandoning: 20240503 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20191015 Effective date of abandoning: 20240503 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |