CN105432596B - A kind of blocking mechanism of movable type mouse blocking plate - Google Patents
A kind of blocking mechanism of movable type mouse blocking plate Download PDFInfo
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- CN105432596B CN105432596B CN201510809135.7A CN201510809135A CN105432596B CN 105432596 B CN105432596 B CN 105432596B CN 201510809135 A CN201510809135 A CN 201510809135A CN 105432596 B CN105432596 B CN 105432596B
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- Prior art keywords
- baffle
- blocking mechanism
- blocking
- blocking plate
- mouse
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- 230000000903 blocking effect Effects 0.000 title claims abstract description 172
- 230000007246 mechanism Effects 0.000 title claims abstract description 104
- 238000005096 rolling process Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 4
- 241000397426 Centroberyx lineatus Species 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 2
- 230000009977 dual effect Effects 0.000 abstract description 2
- 230000004888 barrier function Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
Abstract
The invention discloses a kind of blocking mechanisms of mobile mouse blocking plate, including blocking mechanism baffle, the blocking mechanism baffle head end to be connect with hinge means, and blocking mechanism baffle tail end matches locking with the limiting slot of locking groove body；The section of the blocking mechanism baffle is inverted L-shaped, and the top margin of inverted L-shaped is rolled with idler wheel to be coordinated；The bottom of the blocking mechanism baffle is connected with seal；Blocking mechanism baffle arrangement is in the bottom of mobile mouse blocking plate and the horizontal movement together with mouse blocking plate, blocking mechanism can leave ground in translational motion, eliminate the friction of mouse blocking plate bottom and ground, under mouse blocking plate closed state, blocking mechanism can be bonded and locking with ground, and movable to realize mouse blocking plate sails out of doorway, can stop toy dual function.
Description
Technical field
The invention belongs to mechanical device application fields, more particularly to the bottom baffle seal mechanism of horizontal movable type mouse blocking plate
Device.
Background technology
Equipment, article are destroyed to prevent the toys such as mouse from getting in, in canyon, warehouse aisles door entrance
Place, is provided with mouse blocking plate.Traditional mouse blocking plate is the structural shape manually dismounted, while implementing to prevent toy,
Cause handicapped personnel, motor device to be difficult to cross over mouse blocking plate, needs to repeat to remove when going out to enter the room doorway, gear mouse is installed
Plate.If motor device comes in and goes out, the frequency is larger, it will frequently the phenomenon that dismounting mouse blocking plate, to avoid the above repetition dismounting phenomenon, needs
Motor-driven formula device is applied, such as parallel-moving type mouse blocking plate.It is such equipment operational safety, quick, but how to accomplish in moving process
It seals excellent when acting smooth, closed state, and to meet that structure is simplified, performance is stablized, be vast the R＆D personnel
The target seek assiduously.
Invention content
The purpose of the present invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of blocking machine of mobile mouse blocking plate
Structure, in mouse blocking plate translational motion, blocking mechanism leaves ground, eliminates the friction of mouse blocking plate bottom and ground, is closed in mouse blocking plate
Under closed state, blocking mechanism is bonded with ground and locking, meets the leakproofness on mouse blocking plate bottom and ground, to make mobile gear
Mouse plate, which has, movable to sail out of doorway, can stop toy dual function.
To achieve the above object, the present invention uses following technical proposals：
A kind of blocking mechanism of movable type mouse blocking plate, including blocking mechanism baffle, the blocking mechanism baffle head end and hinge
Chain apparatus connects, and blocking mechanism baffle tail end matches locking with the limiting slot of locking groove body；The blocking mechanism baffle is cut
Face is inverted L-shaped, and the top margin of inverted L-shaped is rolled with idler wheel to be coordinated；The bottom of the blocking mechanism baffle is connected with seal；Blocking
Mechanism baffle arrangement is in the bottom of mouse blocking plate and therewith horizontal movement, when mouse blocking plate device resets, blocking mechanism baffle
Locking completes the sealing with ground.
The blocking mechanism baffle includes two sections of baffles that set angle is intersected in perpendicular, is connected with hinge means
The head end connect is first segment baffle, and the tail end with the cooperation of locking groove body is second segment baffle.
Under lockup state, the height of the first segment baffle is higher than the height of second segment baffle, the idler wheel top and resistance
The tangent contact of top margin of retaining device baffle inverted L-shaped；It can make blocking mechanism baffle around hinge when second segment baffle and idler wheel contact
Device rotates by a certain angle, and avoids the friction on blocking mechanism baffle bottom and ground.
Preferably, the tail end of the blocking mechanism baffle is wedge shape, and the locking groove body is equipped with and blocking mechanism baffle tail
Hold matched sliding slot；Locking groove body coordinates with blocking mechanism baffle tail end, realizes the locking to blocking mechanism.
Preferably, the side of the blocking mechanism baffle inverted L-shaped is equipped with mounting hole, is connected with guide runner at mounting hole
It connects；The guide runner moves up and down in guide groove body；When blocking mechanism baffle around hinge device rotates, guide runner exists
It is oriented in the guiding groove body of groove body and slides, effectively prevent the shaking of blocking mechanism baffle, enhance the stability of mechanism.
The middle part for being oriented to groove body is equipped with dovetail groove, and dovetail groove is matched with guide runner；The guide runner is swallow
Tail shape, guide runner drive blocking mechanism baffle to be slided along dovetail groove.
Longitudinal track of the dovetail groove is arc-shaped, and the center of arc-shaped is the center of hinge means；Comply fully with resistance
The rotary motion trace of retaining device baffle avoids the rotation to blocking mechanism baffle from generating resistance.
The hinge means is fixed on mobile mouse blocking plate moving baffle by fixed connecting plate and combines bottom；The mobile gear
Mouse plate moving baffle, which is combined, to be matched resultant motion by guide rail and sliding groove mode with moving mouse blocking plate fixed frame and combine.
The idler wheel is fixed on mobile mouse blocking plate fixed frame by rolling wheel support and combines；The position of idler wheel is motionless, stops machine
Structure baffle moves horizontally under the cooperation with idler wheel.
The guiding groove body is fixed on mobile mouse blocking plate moving baffle group and closes；Locking groove body bottom is fixed on ground
On, there is setpoint distance between locking groove body and idler wheel, the distance between locking groove body and idler wheel, which are blocking mechanism baffle, to be moved
Dynamic maximum distance.
Beneficial effects of the present invention are：
One, blocking mechanism device of the invention has the function of eliminating during exercise with ground friction, when stopping in place
Have barrier functionality, be suitable for the application of mobile mouse blocking plate, contributes to the popularization and application of mobile mouse blocking plate.
Two, operating structure, the motion principle of blocking mechanism device of the invention are versatile, can be applied to various sizes of
Mobile mouse blocking plate.
Three, the operation power of blocking mechanism device of the invention, is utilized its own gravity, mouse blocking plate thrust, power resources
Energy efficiency, power are safe and reliable to operation.
Description of the drawings
Fig. 1 is the assembly figure of the blocking mechanism of mobile mouse blocking plate of the invention；
Fig. 2 is the assembly A-A sectional views of the blocking mechanism of mobile mouse blocking plate of the invention；
Fig. 3 is the assembly B-B sectional views of the blocking mechanism of mobile mouse blocking plate of the invention；
State diagram when Fig. 4 is the blocking mechanism locking of mobile mouse blocking plate of the invention；
Fig. 5 is the running state diagram of blocking mechanism of mobile mouse blocking plate of the invention；
In figure, 1. movement mouse blocking plate fixed frames combinations, 2. movement mouse blocking plate moving baffles combinations, 3. go out doorframe of entering the room, and 4.
Ground, 5. fixed connecting plates, 6. hinge means, 7. rolling wheel supports, 8. roller shafts, 9. idler wheels, 10. blocking mechanism baffles, 11. lead
To groove body, 12. guide runners, 13. locking groove bodies, 14. seals.
Specific implementation mode
Present invention will be further explained below with reference to the attached drawings and examples.
As shown in Figure 1, the present invention movable type mouse blocking plate blocking mechanism include blocking mechanism baffle 10, fixed connecting plate 5,
Hinge means 6, roller shaft 8, idler wheel 9, is oriented to groove body 11, guide runner 12, locking groove body 13, seal 14 at rolling wheel support 7.
Include mainly that mobile mouse blocking plate fixed frame combines 1, mobile mouse blocking plate moving baffle with the mobile mouse blocking plate that present invention collocation uses
Combination 2, relevant use environment include to enter the room doorframe 3, ground 4.Blocking mechanism baffle 10 is arranged in the bottom of mouse blocking plate simultaneously
Therewith horizontal movement, while can rotate by a certain angle under the effect of idler wheel 9, avoid rubbing for mouse blocking plate bottom of device and ground
It wipes, when mouse blocking plate device resets, 10 angle rotary of blocking mechanism baffle and locking complete the sealing with ground.
As shown in Figure 1,10 head end of blocking mechanism baffle is connect equipped with unthreaded hole with hinge means 6, blocking mechanism baffle 10 is logical
It crosses hinge means 6 with fixed connecting plate 5 to couple, fixed connecting plate 5 is fixed in mobile mouse blocking plate moving baffle combination 2, blocking
Mechanism baffle 10, can the rotation of around hinge device 6 while combining 2 horizontal reciprocating movement with mobile mouse blocking plate moving baffle.Resistance
10 tail end of retaining device baffle is set as wedge shape, and locking is completed in the limiting slot cooperation with locking groove body 13；10 middle part of blocking mechanism baffle
Equipped with mounting hole, for assembling guide runner 12；The cross sectional shape of blocking mechanism baffle 10 is inverted L-shaped, and the top margin of inverted L-shaped is used for
It rolls and coordinates with idler wheel 9；10 lower edge of blocking mechanism baffle is equipped with mounting groove and mounting hole, for assembling seal 14.
Fixed connecting plate 5, top are equipped with pilot hole, are assemblied in mobile mouse blocking plate moving baffle combination 2 using fastener；
Lower part is equipped with unthreaded hole, is used for connecting hinge device 6.
Hinge means 6, for coupling blocking mechanism baffle 10 and fixed connecting plate 5, hinge means 6 bears radial pressure,
Radial ball bearing bearing or sliding bearing form can be used, blocking mechanism baffle 10 can be rotated with around hinge device 6.
Seal 14, material selection rubber are highly less than muroid body profile dimensions, are assemblied in 10 bottom of blocking mechanism baffle,
In blocking mechanism locking, seal is bonded realization sealing with ground, to prevent worm ant from invading.
As shown in Figure 1, rolling wheel support 7 is fixed in mobile mouse blocking plate fixed frame combination 1, idler wheel 9 passes through roller shaft 8 and rolling
Wheel support 7 couples, 9 outer ring of idler wheel with the L-shaped top edge of blocking mechanism baffle 10 is tangent contacts.
Rolling wheel support 7, bottom are equipped with mounting hole, and combining 1 with mobile mouse blocking plate fixed frame using fastener is fixedly connected；On
Portion is equipped with unthreaded hole, is coupled with idler wheel 9 by roller shaft 8.
Roller shaft 8, couples rolling wheel support 7 and idler wheel 9, and both ends are equipped with screw thread, are fixedly connected with rolling wheel support 7, middle part is set
There is optical axis, is interference fitted with the bearing inner race of idler wheel 9.
Idler wheel 9, outer ring with the inverted L-shaped edge of blocking mechanism baffle 10 is tangent contacts, outer ring material is set as engineering plastics, such as
Polyurethane etc., inner ring assemble needle bearing, and operation muting function is good.
It is fixedly connected as shown in Fig. 2, being oriented to groove body 11 and combining 2 with mobile mouse blocking plate moving baffle using fastener, it is intermediate
Dovetail groove coordinates with guide runner 12, and guide runner 12 is assemblied on blocking mechanism baffle 10.When blocking mechanism baffle 10 around
When hinge means 6 rotates, guide runner 12 slides in the limiting slot for being oriented to groove body 11, effectively prevents blocking mechanism baffle 10
Shaking, enhance the stability of mechanism.
It is oriented to groove body 11, centre is equipped with dovetail groove, coordinates with guide runner 12, and the track of dovetail groove is arc section, circular arc
Center be 6 rotation center of hinge means；Both sides are equipped with mounting hole, and 2 are combined with mobile mouse blocking plate moving baffle using fastener
It is fixed.
Guide runner 12, one end are fixed on blocking mechanism baffle 10, and one end is set as dovetail shaped, with the dovetail for being oriented to groove body
Slot is the assembly that is slidably matched, and guide runner 12 drives blocking mechanism baffle 10 to be slided along dovetail groove.
As shown in figure 3,13 bottom of locking groove body is equipped with mounting hole, it is fixedly connected using fastener and ground, end is equipped with
Wedge-shaped impression realizes the locking to blocking mechanism for coordinating with 10 tail end of blocking mechanism baffle.Seal 14 utilizes fastener
It is fixedly connected with the bottom of blocking mechanism baffle 10.
Wherein, the section of blocking mechanism baffle 10 is set as inverted L-shaped, starts from unthreaded hole head end, terminates in wedge-shaped tail end；Inverted L-shaped side
A1 sections of edge is α with a2 angle of intersection, as shown in figure 4, when 9 outer ring of idler wheel with a1 sections it is tangent contact when, blocking mechanism baffle 10 is not
It rotates；Match at this point, the wedge-shaped tail end of blocking mechanism baffle 10 can form cooperation or be fallen off with the limiting slot of locking groove body 13
It closes, mated condition is as shown in Figure 3；As shown in figure 5, when 9 outer ring of idler wheel with a2 sections it is tangent contact when, blocking mechanism baffle 10 is around hinge
6 rotational angle β of chain apparatus, blocking mechanism baffle 10 leave ground.
It is that blocking mechanism realizes barrier functionality, realizes the process description eliminated with ground friction function below：
As shown in Figure 1, when mobile mouse blocking plate moving baffle combination 2 is when the doorframe 3 that goes out to enter the room is stopped in place, retaining device baffle
10 tail end is in clearance fit with locking groove body 13；As shown in Figure 3, the limiting slot of locking groove body 13 limits resistance to mated condition
Retaining device baffle 10 is bonded ground in X, the degree of freedom of Y-direction, seal 14, prevents mouse ant to invade, realizes barrier functionality.
As shown in figure 4, when mobile mouse blocking plate moving baffle combination 2 sails out of out and enters the room doorframe 3,9 outer ring of idler wheel and blocking
The tangent contact of a1 sections of mechanism baffle 10,10 horizontal movement of mechanism baffle without rotate, 10 tail end of blocking mechanism baffle gradually with
Locking groove body 13 is detached from；
As shown in figure 5, mobile mouse blocking plate moving baffle combination 2 continues to move to, 9 center of idler wheel and blocking mechanism baffle
10 relative movement, when 9 outer ring of idler wheel with a2 section it is tangent contact when, 10 around hinge device of blocking mechanism baffle, 6 rotational angle β, hinder
For the sealed bottom body 14 of retaining device baffle 10 departing from ground, this completes eliminate friction function.
Similarly, when mobile mouse blocking plate moving baffle combination 2 returns, the first a2 with blocking mechanism baffle 10 in 9 outer ring of idler wheel
The tangent contact of section, mobile mouse blocking plate moving baffle combination 2 avoid the frictional force with ground during exercise；9 outer ring of idler wheel again with
The tangent contact of a1 sections of blocking mechanism baffle 10, the tail end level of blocking mechanism baffle 10 drive into the limiting slot of locking groove body 13,
Being locked up for blocking mechanism baffle 10 is completed, seal 14 is bonded ground again, realizes barrier functionality.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (7)
1. a kind of blocking mechanism of movable type mouse blocking plate, characterized in that including blocking mechanism baffle, the blocking mechanism baffle is first
End is connect with hinge means, and blocking mechanism baffle tail end matches locking with the limiting slot of locking groove body；The blocking mechanism gear
The section of plate is inverted L-shaped, and the top margin of inverted L-shaped is rolled with idler wheel to be coordinated；The bottom of the blocking mechanism baffle is connected with seal
It connects；Blocking mechanism baffle arrangement is in the bottom of mouse blocking plate and therewith horizontal movement, when mouse blocking plate device resets, stops machine
Structure baffle locking completes the sealing with ground；
The blocking mechanism baffle includes two sections of baffles that set angle is intersected in perpendicular, is connect with hinge means
Head end is first segment baffle, and the tail end with the cooperation of locking groove body is second segment baffle；
Under lockup state, the height of the first segment baffle is higher than the height of second segment baffle, the idler wheel top and blocking machine
The tangent contact of top margin of structure baffle inverted L-shaped；
The tail end of the blocking mechanism baffle is wedge shape, and the locking groove body is equipped with and the matched cunning of blocking mechanism baffle tail end
Slot.
2. the blocking mechanism of movable type mouse blocking plate as described in claim 1, characterized in that the blocking mechanism baffle inverted L-shaped
Side be equipped with mounting hole, be connected with guide runner at mounting hole；The guide runner moves up and down in guide groove body.
3. the blocking mechanism of movable type mouse blocking plate as claimed in claim 2, characterized in that the middle part for being oriented to groove body is equipped with
Dovetail groove, dovetail groove are matched with guide runner；The guide runner is swallow-tail form, and guide runner drives blocking mechanism baffle edge
Dovetail groove slides.
4. the blocking mechanism of movable type mouse blocking plate as claimed in claim 3, characterized in that longitudinal track of the dovetail groove is
Arc-shaped, the center of arc-shaped are the center of hinge means.
5. the blocking mechanism of movable type mouse blocking plate as claimed in claim 2, characterized in that the hinge means is connected by fixed
Fishplate bar is fixed on mobile mouse blocking plate moving baffle combination bottom；The mobile mouse blocking plate moving baffle combination and mobile mouse blocking plate are solid
Determine frame combination by guide rail and sliding groove mode to match resultant motion.
6. the blocking mechanism of movable type mouse blocking plate as claimed in claim 5, characterized in that the idler wheel is solid by rolling wheel support
Due to mobile mouse blocking plate fixed frame combination.
7. the blocking mechanism of movable type mouse blocking plate as claimed in claim 5, characterized in that the guiding groove body is fixed on movement
Mouse blocking plate moving baffle group is closed；Locking groove body bottom fixes on the ground, have between locking groove body and idler wheel setting away from
From the distance between locking groove body and idler wheel are the maximum distance that blocking mechanism baffle can move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510809135.7A CN105432596B (en) | 2015-11-19 | 2015-11-19 | A kind of blocking mechanism of movable type mouse blocking plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510809135.7A CN105432596B (en) | 2015-11-19 | 2015-11-19 | A kind of blocking mechanism of movable type mouse blocking plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105432596A CN105432596A (en) | 2016-03-30 |
| CN105432596B true CN105432596B (en) | 2018-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510809135.7A Active CN105432596B (en) | 2015-11-19 | 2015-11-19 | A kind of blocking mechanism of movable type mouse blocking plate |
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| Country | Link |
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| CN (1) | CN105432596B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20012439U1 (en) * | 2000-07-18 | 2001-01-18 | Maier Systeme Gmbh | Marten protection for motor vehicles |
| CN202262343U (en) * | 2011-09-08 | 2012-06-06 | 河南省电力公司周口供电公司 | Automatic control rat-prevention baffle for transformer station |
| CN203457701U (en) * | 2013-08-09 | 2014-03-05 | 晋中市喜蓉食业有限公司 | Obstructing device for preventing small animal from climbing and passing |
| CN203951041U (en) * | 2014-07-18 | 2014-11-19 | 国家电网公司 | Telescopic mouse blocking plate |
| CN104328987A (en) * | 2014-10-30 | 2015-02-04 | 赖勋 | Cantilever type overlapped sliding door |
| CN204175171U (en) * | 2014-08-27 | 2015-02-25 | 江苏牧羊控股有限公司 | A kind of multistage sliding grid gate |
| CN204217734U (en) * | 2014-10-27 | 2015-03-25 | 国家电网公司 | The telescopic mouse-proof baffle plate of versatility |
| CN205213963U (en) * | 2015-11-19 | 2016-05-11 | 国网山东省电力公司烟台供电公司 | Portable barrier mechanism who keeps off mouse board |
-
2015
- 2015-11-19 CN CN201510809135.7A patent/CN105432596B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20012439U1 (en) * | 2000-07-18 | 2001-01-18 | Maier Systeme Gmbh | Marten protection for motor vehicles |
| CN202262343U (en) * | 2011-09-08 | 2012-06-06 | 河南省电力公司周口供电公司 | Automatic control rat-prevention baffle for transformer station |
| CN203457701U (en) * | 2013-08-09 | 2014-03-05 | 晋中市喜蓉食业有限公司 | Obstructing device for preventing small animal from climbing and passing |
| CN203951041U (en) * | 2014-07-18 | 2014-11-19 | 国家电网公司 | Telescopic mouse blocking plate |
| CN204175171U (en) * | 2014-08-27 | 2015-02-25 | 江苏牧羊控股有限公司 | A kind of multistage sliding grid gate |
| CN204217734U (en) * | 2014-10-27 | 2015-03-25 | 国家电网公司 | The telescopic mouse-proof baffle plate of versatility |
| CN104328987A (en) * | 2014-10-30 | 2015-02-04 | 赖勋 | Cantilever type overlapped sliding door |
| CN205213963U (en) * | 2015-11-19 | 2016-05-11 | 国网山东省电力公司烟台供电公司 | Portable barrier mechanism who keeps off mouse board |
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| Publication number | Publication date |
|---|---|
| CN105432596A (en) | 2016-03-30 |
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Address after: 264001 No. 158, Zhifu, Yantai District, Shandong, Jiefang Road Co-patentee after: National Network Intelligent Technology Co., Ltd. Patentee after: Yantai Power Supply Company, State Grid Shandong Electric Power Company Co-patentee after: State Grid Corporation of China Address before: 264001 No. 158, Zhifu, Yantai District, Shandong, Jiefang Road Co-patentee before: Shandong Luneng Intelligent Technology Co., Ltd. Patentee before: Yantai Power Supply Company, State Grid Shandong Electric Power Company Co-patentee before: State Grid Corporation of China |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201102 Address after: 250101 Electric Power Intelligent Robot Production Project 101 in Jinan City, Shandong Province, South of Feiyue Avenue and East of No. 26 Road (ICT Industrial Park) Patentee after: National Network Intelligent Technology Co.,Ltd. Address before: 264001 No. 158, Zhifu, Yantai District, Shandong, Jiefang Road Patentee before: State Grid Shandong Electric Power Company Yantai Power Supply Co. Patentee before: National Network Intelligent Technology Co.,Ltd. Patentee before: STATE GRID CORPORATION OF CHINA |