CN204235311U - A kind of convenient floating clamp - Google Patents
A kind of convenient floating clamp Download PDFInfo
- Publication number
- CN204235311U CN204235311U CN201420693078.1U CN201420693078U CN204235311U CN 204235311 U CN204235311 U CN 204235311U CN 201420693078 U CN201420693078 U CN 201420693078U CN 204235311 U CN204235311 U CN 204235311U
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- CN
- China
- Prior art keywords
- rotating disk
- jaw
- floating clamp
- jaws
- convenient floating
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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.)
- Withdrawn - After Issue
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Abstract
The utility model provides a kind of convenient floating clamp, belongs to field of mechanical technique.This convenient floating clamp comprise in hollow structure determine rotating disk, be movably arranged on determine rotating disk rear dynamic rotating disk, with determine that rotating disk coaxially arranges top; determine rotating disk front be provided with around determine disk axes line be involute arrange three jaws and each jaw be connected with dynamic rotating disk respectively; described dynamic rotating disk can drive three jaws to swing simultaneously; three jaws are made inwardly to gather or outwards launch; determining to be provided with flake bearing in the middle part of rotating disk, described top also partly stretching out through dynamic rotating disk, flake bearing is successively determined outside rotating disk.It is good and have the advantage of fine adjustment function that this convenient floating clamp has clamping effect.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of chuck, particularly a kind of convenient floating clamp being applicable to grinding machine.
Background technology
Grinding machine utilizes grinding tool to carry out the lathe of grinding to surface of the work.Most grinding machine uses the emery wheel of High Rotation Speed to carry out grinding, minority be use other grinding tools such as oilstone, abrasive band and free abrasive to process.
Carry out mill to shaft-like workpiece and add man-hour, lathe utilizes Double Tops point clamp axle to be processed, install chuck in one end of axle, chuck and axle to be processed are fixed, and lathe drives emery wheel to carry out mill processing near axle.In prior art, the chuck structure that great majority are applicable to grinding machine is simple, and clamping effect is general and easily loosen in process, affects the operating efficiency of actual grinding machine.
In sum, for solving the deficiency on existing chuck structure, need to design the good convenient floating clamp of a kind of clamping effect.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes a kind of clamping effect good and have the convenient floating clamp of fine adjustment function.
The purpose of this utility model realizes by following technical proposal: a kind of convenient floating clamp, comprise and determine rotating disk in hollow structure, be movably arranged on the dynamic rotating disk determining rotating disk rear, with determine that rotating disk coaxially arranges top, determine rotating disk front be provided with around determine disk axes line be involute arrange three jaws and each jaw be connected with dynamic rotating disk respectively, described dynamic rotating disk can drive three jaws to swing simultaneously, three jaws are made inwardly to gather or outwards launch, determining flake bearing is installed in the middle part of rotating disk, described top successively through dynamic rotating disk, flake bearing also partly stretches out to be determined outside rotating disk.
As further improvement of the utility model, the head end of each jaw respectively with determine rotating disk and be articulated and connected, the line of three pin joints is that equilateral triangle is arranged and this equilateral barycenter oftriangle is positioned at and determines on the axial line of rotating disk.
As further improvement of the utility model, the end of each jaw is all connected with dynamic rotating disk by bearing pin, and each bearing pin is all connected with dynamic rotating disk.
Further improve as of the present utility model, the lateral surface of described jaw head end is surrounded with some arcwall faces, be provided with in the middle part of described jaw and extended and the pawl deep-slotted chip breaker that arrange corresponding to bearing pin to head end by end, determine rotating disk to offer around axial line and three that arrange with three bearing pin one_to_one corresponding determine deep-slotted chip breaker, described bearing pin is determined deep-slotted chip breaker through corresponding and be plugged in corresponding pawl deep-slotted chip breaker.
As further improvement of the utility model, in the middle part of each jaw all by return spring with determine rotating disk and be connected.
Further improve as of the present utility model, determining rotating disk to be installed with and three jaws, three dovetail regulating blocks one to one, the head end of each jaw is articulated and connected respectively on the dovetail regulating block of correspondence.
As further improvement of the utility model, determining rotating disk to offer and three dovetail regulating blocks, three slideways one to one, each dovetail regulating block is installed in corresponding slideway, offer long regulating tank in the middle part of described dovetail regulating block and by fixed screw with determine rotating disk and be connected, described fixed screw is successively through corresponding long regulating tank, slideway and with determine rotating disk and be connected, also chute is offered in dovetail regulating block side, all be movably installed with in each chute and hold out against screw, each screw that holds out against all offers annular spacing groove and is all determining on rotating disk by holding firmware fixing, described holding firmware is limited in corresponding annular spacing groove.
As further improvement of the utility model, describedly determine to be sealedly connected with dust cap in the middle part of rotating disk, described top through dust cap being tightly connected with it, described dust cap is provided with and three slideways, three dust-proof edges one to one, and each dust-proof edge is tightly connected with corresponding slideway respectively.
As further improvement of the utility model, describedly toply outer be arranged with lining, described flake bearing holder (housing, cover) is located at outside lining.
As further improvement of the utility model, in the middle part of described dynamic rotating disk, be provided with anti-drop end cover and back-up ring, describedly toply stretch into determine in rotating disk through anti-drop end cover and back-up ring successively.
Based on technique scheme, the utility model embodiment at least can produce following technique effect:
1, adopt the mode of three jaws simultaneously clamping work pieces, the clamp force distribution that the good and workpiece of clamping effect is subject to is even, improves machining accuracy and production efficiency.
2, flake bearing be arranged so that this chuck is provided with certain fine adjustment function, make toply there is when alignment pieces center certain circumference to regulate space, even slightly depart from the workpiece that top axle center line position stretches into, toply also can aim at its center, cooperatively interact with outside thimble, ensure the axiality requirement of workpiece tool, ensure that the concentricity requirement at workpiece two ends, for grinding machine processing improves reliability and operating efficiency, reduce defect rate.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in further detail, wherein:
Fig. 1 is the structural representation of the utility model one preferred embodiment.
Fig. 2 is the structural representation at another visual angle of Fig. 1.
Fig. 3 is the structural representation at another visual angle of Fig. 2.
Fig. 4 is the structural representation at another visual angle of Fig. 3.
Fig. 5 be in Fig. 4 A-A to sectional view.
Fig. 6 is the explosive view of the utility model one preferred embodiment.
Fig. 7 is the part-structure schematic diagram of the utility model one preferred embodiment.
Fig. 8 is the structural representation at another visual angle of Fig. 7.
Fig. 9 is the partial exploded view of the utility model one preferred embodiment.
Figure 10 is the structural representation determining rotating disk in the utility model one preferred embodiment.
Figure 11 is the structural representation at another visual angle of Figure 10.
Figure 12 is the structural representation of jaw in the utility model one preferred embodiment.
Figure 13 is the structural representation at another visual angle of Figure 12.
Figure 14 is the structural representation of dovetail regulating block in the utility model one preferred embodiment.
Figure 15 is the structural representation at another visual angle of Figure 14.
Figure 16 is the structural representation of dust cap in the utility model one preferred embodiment.
Figure 17 is the structural representation at another visual angle of Figure 16.
Figure 18 is the structural representation holding out against screw in the utility model one preferred embodiment.
Figure 19 is the structural representation of flake bearing in the utility model one preferred embodiment.
In figure, 10, determine rotating disk; 11, deep-slotted chip breaker is determined; 12, slideway; 20, dynamic rotating disk; 30, top; 40, jaw; 41, arcwall face; 42, pawl deep-slotted chip breaker; 50, flake bearing; 51, inner ring; 52, outer ring; 60, bearing pin; 70, return spring; 80, dovetail regulating block; 81, long regulating tank; 82, chute; 91, fixed screw; 92, screw is held out against; 921, annular spacing groove; 93, holding firmware; 100, dust cap; 101, dust-proof edge; 110, lining; 120, anti-drop end cover; 130, back-up ring.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
A kind of convenient floating clamp of the utility model protection, can be used for the axle class workpiece to be added clamping grinding machine, is convenient to grinding machine and utilizes grinding tool surface of the work to be added to carry out grinding.
Existing grinding machine chuck structure simplicity of design, clamping effect is general and easily loosen in process, affects the operating efficiency of actual grinding machine.Therefore, it is necessary for designing a kind of more rational convenient floating clamp.
As shown in Fig. 1 to Figure 19, this convenient floating clamp comprises determines rotating disk 10 in hollow structure, be movably arranged on the dynamic rotating disk 20 determining rotating disk 10 rear, with determine rotating disk 10 coaxial arrange top 30, determine rotating disk 10 front be provided with around determine rotating disk 10 axial line be involute arrange three jaws 40 and each jaw 40 be connected with dynamic rotating disk 20 respectively, dynamic rotating disk 20 can drive three jaws 40 to swing simultaneously, three jaws 40 are made inwardly to gather or outwards launch, determining, in the middle part of rotating disk 10, flake bearing 50 is installed, top 30 successively through dynamic rotating disk 20, flake bearing 50 also partly stretches out to be determined outside rotating disk 10.
Above-mentioned jaw 40 is connected with dynamic rotating disk 20, and the Main Function determining rotating disk 10 is similar to fixed pedestal, plays location, the effect such as fixing, coordinates closely between each parts above-mentioned, easy for installation and install simple, rapidly.This convenient floating clamp in an initial condition, before processing: workpiece to be processed (being generally axial workpiece) one end is stretched into rest position in the middle part of three jaws 40 and held out against by above-mentioned top 30, the other end is held out against by outside thimble etc., chuck outer setting has drive source (motor), operator can control driven by motor by console and move rotating disk 20 and rotate, dynamic rotating disk 20 synchronously drives three jaws 40 inwardly gather and clamp workpiece to be processed, and now grinding tool can start to carry out grinding to workpiece to be processed surface; After processing, back out outside thimble, control external motor drives dynamic rotating disk 20 to rotate and synchronously drives three jaws 40 outwards to launch, and jaw 40 and workpiece depart from, and the workpiece now after processing loses support force and falls in discharge channel at Gravitative Loads.The utility model adopts the mode of three jaws 40 simultaneously clamping work pieces, and the clamp force distribution that the good and workpiece of clamping effect is subject to is even, improves machining accuracy and production efficiency.
In the utility model, top 30 parts that can belong to other local of grinding machine, also can as a part for chuck of the present utility model, or the two one of and the various mechanism fixed needed for it and parts all as a part for chuck of the present utility model.
In addition, be also provided with flake bearing 50 in the present case, it is also known as oscillating bearing, the sliding bearing that it mainly has the inner ring 51 of spherical outside surface and to have outer ring 52 special construction of Internal Spherical Surface by, can bear larger load.Because slidingsurface is spheric, also can make banking motion (i.e. aligning motion) within the scope of certain angle, bolster and axle housing hole nonconcentricity larger time, still can normally work.
Above-mentioned top 30 through flake bearing 50, say accurately, flake bearing 50 is set in top 30 outer and inner rings 51 and is tightly connected with top 30, problem is stretched into owing to may have to depart from top 30 axial line positions when workpiece to be processed stretches into three jaw 40 centre positions, that is to say, now workpiece and top 30 axiality require can not be guaranteed, such jaw 40 may also clamp not clamping of workpieces, also can bring mismachining tolerance to finishing.And this chuck that is arranged so that of flake bearing 50 in the utility model is provided with certain fine adjustment function, make top 30 to have certain circumference when alignment pieces center and regulate space, even slightly depart from the workpiece that top 30 axial line positions are stretched into, top 30 also can aim at its center, cooperatively interact with outside thimble, ensure the axiality requirement of workpiece tool, ensure that the concentricity requirement at workpiece two ends, for grinding machine processing improves reliability and operating efficiency, reduce defect rate.Flake bearing 50 be arranged so that workpiece enters time eccentricity issues is also little a little, flexibility is large and easy for installation, is convenient to dismounting and safeguards.
Preferably, the head end of each jaw 40 respectively with determine rotating disk 10 and be articulated and connected, the line of three pin joints be equilateral triangle arrange and this equilateral barycenter oftriangle be positioned at determine rotating disk 10 axial line on.Namely the space that three jaw 40 head ends fence up is the position that workpiece stretches into, and such jaw 40 topology layout is compact, and the clamp force distribution that workpiece is subject to is even, and jaw 40 clamping effect is better.
Herein, it should be added that: three jaws 40 deviate from the outer face of determining rotating disk 10 and are preferably placed on same plane, above-mentioned top 30 parts are stretched out and are determined outside rotating disk 10 and do not exceed this place, jaw 40 outer face plane, that is to say, the sub-fraction of top 30 ends exposes that to determine rotating disk 10 outer and for top tight workpiece.Such topology layout is more reasonable, compact, and area occupied is little, ensure that the operating efficiency of clamping effect and grinding machine.
Preferably, the end of each jaw 40 is all connected with dynamic rotating disk 20 by bearing pin 60, and each bearing pin 60 is all connected with dynamic rotating disk 20.Such syndeton installation and removal are all more convenient, and drive bearing pin 60 to rotate when dynamic rotating disk 20 rotates, bearing pin 60 drives corresponding jaw 40 to move, and makes jaw 40 clamp or unclamp workpiece, said structure simplicity of design and easy to maintenance, and area occupied is little.
Further, the lateral surface of jaw 40 head end is surrounded with multiple arcwall face 41, be provided with in the middle part of jaw 40 and extended and the pawl deep-slotted chip breaker 42 that arrange corresponding to bearing pin 60 to head end by end, determine rotating disk 10 offers around axial line and three that arrange with three bearing pin 60 one_to_one corresponding determine deep-slotted chip breaker 11, bearing pin 60 is determined deep-slotted chip breaker 11 through corresponding and be plugged in corresponding pawl deep-slotted chip breaker 42.
Projection is formed between each arcwall face 41, jaw 40 head end and absorption surface area are more, frictional force is larger, jaw 40 head end adopted in this case arranges and can apply larger clamping force to workpiece, makes clamping effect better and the modes of 3 clampings make workpiece stability in process be ensured well; Inwardly gather in process at jaw 40, dynamic rotating disk 20 drives bearing pin 60 determining to move deep-slotted chip breaker 11 in and promote jaw 40 around pin joint rotation, and due to cooperatively interacting of pawl deep-slotted chip breaker 42 and bearing pin 60, jaw 40 end outwards tilts; Each deep-slotted chip breaker and bearing pin 60 coordinate ingenious, ensure that the reliability of connection, improve the stability of chuck work.
Preferably, in the middle part of each jaw 40 all by return spring 70 with determine rotating disk 10 and be connected.Under original state, have comparatively wide arc gap between three jaw 40 head ends, now return spring 70 is in uncompressed state; When jaw 40 inwardly gathers clamping work pieces, return spring 70 is in extended state, if now decontrol the driving force of external motor, then jaw 40 outwards launches and unclamps workpiece under the restoring force effect of corresponding return spring 70; When jaw 40 needs outwards to launch to depart from workpiece, jaw 40 can under the effect of return spring 70 self-return, arranging rationally of return spring 70, makes jaw 40 work more reliable, has energy-conserving action, improve operating efficiency.
Preferably, determining rotating disk 10 to be installed with and three jaws 40, three dovetail regulating blocks 80 one to one, the head end of each jaw 40 is articulated and connected respectively on the dovetail regulating block 80 of correspondence.Such structural design makes each parts install and changes all more convenient, convenient adjustment, use.
Further preferably, determining rotating disk 10 to offer and three dovetail regulating blocks 80, three slideways 12 one to one, each dovetail regulating block 80 is installed in corresponding slideway 12, offer long regulating tank 81 in the middle part of dovetail regulating block 80 and by fixed screw 91 with determine rotating disk 10 and be connected, fixed screw 91 is successively through corresponding long regulating tank 81, slideway 12 and with determine rotating disk 10 and be connected, chute 82 is also offered in dovetail regulating block 80 side, all be movably installed with in each chute 82 and hold out against screw 92, each screw 92 that holds out against all is offered annular spacing groove 921 and is all fixed by holding firmware 93 and determining on rotating disk 10, described holding firmware 93 is limited in corresponding annular spacing groove 921.Determine rotating disk 10 in preferred the utility model to be provided with and three chutes 82 auxiliary tank one to one, dovetail regulating block 80 is regulated convenient, fixing more firm.
The pin joint position that convenient each jaw 40 of adjustment is set of dovetail regulating block 80, in other words, dovetail regulating block 80 the effect playing gap between adjustment three jaw 40 head ends is set, and then make the jaw 40 in this case can be applicable to the clamping operation of different size (diameter) workpiece.Concretely, hold out against screw 92 and holding firmware 93 cooperatively interacts, play the effect of similar guide rail, dovetail regulating block 80 can be moved around in slideway 12, ensure that the accuracy of location, and the adjustable range of dovetail regulating block 80 is exactly the length of long regulating tank 81, dovetail regulating block 80 is fixed on eventually through fixed screw 91 and the double-sided clamp holding out against screw 92 correct position determining rotating disk 10.
Briefly, when jaw 40 needs the diameter of work of clamping less, dovetail regulating block 80 is regulated to make it come closer, synchronous, corresponding jaw 40 also just comes closer, otherwise, regulate dovetail regulating block 80 to make it outwards draw close, synchronous, corresponding jaw 40 is also just outwards drawn close, jaw 40 in such this case just can be applicable to wider shaft-like workpiece clamping operation, and easy to adjust, simple, versatility is wide.
Preferably, determine to be sealedly connected with dust cap 100 in the middle part of rotating disk 10, top 30 pass dust cap 100 and are tightly connected with it, and dust cap 100 is provided with and three slideways 12, three dust-proof edges 101 one to one, and each dust-proof edge 101 is tightly connected with corresponding slideway 12 respectively.The setting of dust cap 100, plays the effects such as dust-proof, water proof, has ensured the mechanical performance of parts such as collet interior flake bearing 50 grade, improve sealing property, ensure that operating efficiency.
Preferably, be arranged with lining 110 outside top 30, flake bearing 50 is set in outside lining 110.Such vibrational power flow, ensure that the accuracy of top 30 positioning work on the one hand, also ensure that the fixing that each parts connect on the other hand, improves overall operating efficiency and reliability.
Preferably, be provided with anti-drop end cover 120 and back-up ring 130 in the middle part of dynamic rotating disk 20, top 30 stretch into determine in rotating disk 10 through anti-drop end covers 120 and back-up ring 130 successively.As its name suggests, anti-drop end cover 120 and back-up ring 130 be arranged so that the job stability of top 30 promotes, make it not easily depart from and set out rotating disk 20 and determine rotating disk 10, improve job stability and the operating efficiency of overall chuck.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (10)
1. a convenient floating clamp; it is characterized in that: comprise in hollow structure determine rotating disk, be movably arranged on determine rotating disk rear dynamic rotating disk, with determine that rotating disk coaxially arranges top; determine rotating disk front be provided with around determine disk axes line be involute arrange three jaws and each jaw be connected with dynamic rotating disk respectively; described dynamic rotating disk can drive three jaws to swing simultaneously; three jaws are made inwardly to gather or outwards launch; determining to be provided with flake bearing in the middle part of rotating disk, described top also partly stretching out through dynamic rotating disk, flake bearing is successively determined outside rotating disk.
2. the convenient floating clamp of one according to claim 1, is characterized in that: the head end of each jaw respectively with determine rotating disk and be articulated and connected, the line of three pin joints is that equilateral triangle is arranged and this equilateral barycenter oftriangle is positioned at and determines on the axial line of rotating disk.
3. the convenient floating clamp of one according to claim 1 and 2, is characterized in that: the end of each jaw is all connected with dynamic rotating disk by bearing pin, and each bearing pin is all connected with dynamic rotating disk.
4. the convenient floating clamp of one according to claim 3, it is characterized in that: the lateral surface of described jaw head end is surrounded with some arcwall faces, be provided with in the middle part of described jaw and extended and the pawl deep-slotted chip breaker that arrange corresponding to bearing pin to head end by end, determine rotating disk to offer around axial line and three that arrange with three bearing pin one_to_one corresponding determine deep-slotted chip breaker, described bearing pin is determined deep-slotted chip breaker through corresponding and be plugged in corresponding pawl deep-slotted chip breaker.
5. the convenient floating clamp of one according to claim 1 and 2, is characterized in that: in the middle part of each jaw all by return spring with determine rotating disk and be connected.
6. the convenient floating clamp of one according to claim 2, is characterized in that: determining rotating disk to be installed with and three jaws, three dovetail regulating blocks one to one, the head end of each jaw is articulated and connected respectively on the dovetail regulating block of correspondence.
7. the convenient floating clamp of one according to claim 6, it is characterized in that: determining rotating disk to offer and three dovetail regulating blocks, three slideways one to one, each dovetail regulating block is installed in corresponding slideway, offer long regulating tank in the middle part of described dovetail regulating block and by fixed screw with determine rotating disk and be connected, described fixed screw is successively through corresponding long regulating tank, slideway and with determine rotating disk and be connected, also chute is offered in dovetail regulating block side, all be movably installed with in each chute and hold out against screw, each screw that holds out against all offers annular spacing groove and is all determining on rotating disk by holding firmware fixing, described holding firmware is limited in corresponding annular spacing groove.
8. the convenient floating clamp of one according to claim 7, it is characterized in that: describedly determine to be sealedly connected with dust cap in the middle part of rotating disk, described top through dust cap being tightly connected with it, described dust cap is provided with and three slideways, three dust-proof edges one to one, and each dust-proof edge is tightly connected with corresponding slideway respectively.
9. the convenient floating clamp of one according to claim 1 and 2, is characterized in that: describedly toply outer be arranged with lining, and described flake bearing holder (housing, cover) is located at outside lining.
10. the convenient floating clamp of one according to claim 1 and 2, is characterized in that: be provided with anti-drop end cover and back-up ring in the middle part of described dynamic rotating disk, describedly toply stretches into determine in rotating disk through anti-drop end cover and back-up ring successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420693078.1U CN204235311U (en) | 2014-11-18 | 2014-11-18 | A kind of convenient floating clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420693078.1U CN204235311U (en) | 2014-11-18 | 2014-11-18 | A kind of convenient floating clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204235311U true CN204235311U (en) | 2015-04-01 |
Family
ID=52764863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420693078.1U Withdrawn - After Issue CN204235311U (en) | 2014-11-18 | 2014-11-18 | A kind of convenient floating clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204235311U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104476338A (en) * | 2014-11-18 | 2015-04-01 | 宁波美德机器人有限公司 | Convenient floating clamp |
| CN105881205A (en) * | 2016-05-28 | 2016-08-24 | 合肥华兴机器人有限公司 | Self-compensation type floating three-jaw power chuck for cylindrical grinding machine |
| CN106881615A (en) * | 2017-04-11 | 2017-06-23 | 台州北平机床有限公司 | Floating clamp |
-
2014
- 2014-11-18 CN CN201420693078.1U patent/CN204235311U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104476338A (en) * | 2014-11-18 | 2015-04-01 | 宁波美德机器人有限公司 | Convenient floating clamp |
| CN105881205A (en) * | 2016-05-28 | 2016-08-24 | 合肥华兴机器人有限公司 | Self-compensation type floating three-jaw power chuck for cylindrical grinding machine |
| CN106881615A (en) * | 2017-04-11 | 2017-06-23 | 台州北平机床有限公司 | Floating clamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150401 Effective date of abandoning: 20160622 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |