CN201942475U - Reciprocating lifting mechanism - Google Patents
Reciprocating lifting mechanism Download PDFInfo
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- CN201942475U CN201942475U CN2010206363909U CN201020636390U CN201942475U CN 201942475 U CN201942475 U CN 201942475U CN 2010206363909 U CN2010206363909 U CN 2010206363909U CN 201020636390 U CN201020636390 U CN 201020636390U CN 201942475 U CN201942475 U CN 201942475U
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- regulating part
- cavity
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- lifting mechanism
- output shaft
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Abstract
The utility model provides a reciprocating lifting mechanism which is installed in a cavity which has a vacuum chamber. The mechanism includes a supporting plate, a mounting plate, a drive, a regulating piece, several one-to-one lifters and bellows. The supporting plate is out of the cavity and parallels with the board of the cavity. The mounting plate is below the supporting plate and fixed with the board of cavity. The bottoms of the lifters rods are fixed on the supporting plate. The tops of the lifters are sealed and stretch into the cavity to form a supporting cover which can load work pieces. The top of the regulating piece connects with the supporting plate in rotating state. The lower part connects with the output axis of the drive in whorl. The drive is installed on the mounting plate. Bellows are arranged out of the lifters which are disposed at the outside of the cavity and the top of bellows are connected with the sealed cavity. The lower part is connected with the supporting plate in seal. The drive does the reciprocating motion by the regulating piece and the supporting plate. Because of the regulating piece and the bellows, the utility model has the advantages of simple structure, low cost, fine tuning and longer service life.
Description
Technical field
The utility model relates to a kind of lifting mechanism, relates in particular to a kind of reciprocal lifting mechanism.
Background technology
OLED, i.e. Organic Light Emitting Diode (Organic Light-Emitting Diode), be called again organic electric laser show (Organic Electroluminesence Display, OELD).Because possess characteristics such as frivolous, power saving, therefore on the read-out of digital product, obtained widespread use, and has bigger market potential, at present all focus on the flat-panel monitor to the application of OLED in the world, because OLED be unique on using can and the TFT-LCD technology of mentioning in the same breath, OLED is that unique technique of display of making large scale, high brightness, the soft screen of fine resolution can be made the thickness the same with paper in present all technique of display.
The OLED display screen is different with traditional TFT-LCD display screen, need not backlight, adopts extremely thin coating of organic material and glass substrate, and when electric current passed through, these organic materials will be luminous.And the OLED display screen can do lighter and thinnerly, and visible angle is bigger, and can significantly save electric energy, and therefore, along with improving constantly of technical merit, the OLED technique of display is approved by vast production firm gradually.
But, the development of OLED technique of display we can say it also is not very ripe so far, the OLED device of its manufacturing remains in some shortcomings, the service life that the most outstanding present defective is exactly the OLED device is shorter, thereby limited the process of the industrialization of OLED device to a great extent, and the life-span that has influence on the OLED device is mainly depended on two aspects, on the one hand is the performance and the life-span of selected organic material, is method for packing, sealed in unit and the effect of OLED device on the other hand.This is because the organic material in the OLED device is unsettled, when the OLED device package bad, and when increasing along with the organic luminous panel period of service of OLED device, in the air and poting materials in moisture, material such as moisture and oxygen just enters into the OLED device inside, make organic material and moisture, moisture and oxygen etc. react, thereby cause luminescent layer to separate with electrode layer, organic material decomposes, and a series of problems such as anodizing, thereby increased not light-emitting zone, the brightness and the homogeneity of luminescent layer have been reduced, therefore the service life of having reduced the OLED device.Equally, the problem that also exists organic material and materials such as moisture, moisture and oxygen to react when on the cavity of vacuum, the OLED device being encapsulated, therefore, when before the OLED device package, reaching encapsulation, the eliminating of materials such as the moisture in the cavity of vacuum, moisture and oxygen is become very necessary.
And in the technology that in the cavity of vacuum, the OLED device is encapsulated, need relate to the mechanism of numerous kinds, and lifting mechanism is exactly a kind of in the many kinds mechanism, it is mainly used in the distance between heating plate and the workpiece to be controlled to reach before the encapsulation removes purpose with materials such as the moisture in the packaging plastic, moisture and oxygen, and the effect of removing materials such as moisture, moisture and oxygen depends on whether the distance between heating plate and the workpiece can maintain scope accurately.And present existing lifting mechanism generally can only carry out heating plate and workpiece between distance carry out rough control, can not the distance between heating plate and the workpiece be finely tuned accurately; Though perhaps can be to finely tuning between heating plate and the workpiece, have that the fine setting effect is bad, complex structure and a higher problem of manufacturing cost.Simultaneously, the stretching into of existing lifting mechanism is used to carry lifting bar and the sealing between the cavity that workpiece transmits up and down in the vacuum cavity be to come leak free by the rubber seal that is arranged between lifting bar and the cavity, rubber seal is to realize by the outside of rubber seal and the inboard and the lifting bar closed contact of cavity closed contact and rubber seal to the sealing of lifting bar and cavity, this makes rubber seal very easily wear and tear, thereby has increased the maintenance time of lifting mechanism.
Therefore, be badly in need of to want a kind of simple in structure, cost is lower and can precisely finely tune and more durable reciprocal lifting mechanism.
The utility model content
The purpose of this utility model be to provide a kind of simple in structure, cost is lower and can precisely finely tune and more durable reciprocal lifting mechanism.
For achieving the above object, the utility model provides a kind of reciprocal lifting mechanism, be adapted to be installed on the cavity with vacuum chamber, wherein, described reciprocal lifting mechanism comprises stay bearing plate, adapter plate, actuator, regulating part and some lifting bars one to one and bellows, it is outer and parallel with the base plate of described cavity that described stay bearing plate is positioned at described cavity, described adapter plate is positioned at described stay bearing plate below and captives joint with the base plate of described cavity, the lower end of described lifting bar all is fixed on the described stay bearing plate, the upper end of described lifting bar all is the bearing surface that leak free stretches in the described vacuum chamber and forms the carrying workpiece, the upper end of described regulating part and described stay bearing plate are the engagement connection of rotation, the lower end of described regulating part is being threaded of socket with the output shaft of described actuator, described actuator is installed on the described adapter plate, described bellows is socketed in and is positioned at the outer and upper end of the outer lifting bar of described cavity and described cavity is tightly connected, lower end and described stay bearing plate are tightly connected, and described actuator drives described stay bearing plate by described regulating part and does straight reciprocating motion.
Preferably, described reciprocal lifting mechanism also comprises the output shaft that is arranged at described actuator and the locking piece between the described regulating part.By above-mentioned locking piece, can lock regulating part, prevent the unexpected rotation of regulating part and have influence on the sharply tuned effect of reciprocal lifting mechanism of the present utility model at vertical direction.Particularly, as follows:
The lower end of described regulating part offers the regulating part negative thread, the output shaft of described actuator is provided with the output shaft outside thread that matches with described regulating part negative thread, and described locking piece is on the output shaft that ingear is sheathed on described actuator and with described regulating part conflicts.Cooperate by regulating part negative thread and output shaft are externally threaded, improve the trimming precision between regulating part and the actuator further, thereby improved the trimming precision of reciprocal lifting mechanism of the present utility model.
The lower end of described regulating part offers the regulating part outside thread, the output shaft of described actuator is provided with the output shaft negative thread that matches with described regulating part outside thread, and described locking piece is that ingear is sheathed on the described regulating part and conflicts with the output shaft of described actuator.By cooperating of regulating part outside thread and output shaft negative thread, promote the trimming precision between regulating part and the actuator further, thereby improved the trimming precision of reciprocal lifting mechanism of the present utility model.
Preferably, the upper end of described regulating part is provided with the plush copper of arc, and the cooresponding Fixing clamp-seat that is equipped with of described stay bearing plate, described Fixing clamp-seat offer the engagement groove of and engaging ccontaining for described plush copper.By the plush copper of arc and cooperating of engagement groove, on the one hand make stay bearing plate and plush copper be point, line or small size and contact, thereby making that regulating part is easier rotates on stay bearing plate, thereby make the easier operation of operating personal reciprocal lifting mechanism of the present utility model.
Preferably, described reciprocal lifting mechanism also comprises several guidance sets, described guidance set is the setting that the center is symmetry with the output shaft of described actuator, described guidance set comprises orienting sleeve and the pilot bar that cooperatively interacts and slide, described orienting sleeve is installed on the described stay bearing plate, the upper end of described pilot bar is fixed on the base plate of described cavity, and the lower end of described pilot bar is passed described orienting sleeve and fixed with described actuator.Is the setting that the center is symmetry by above-mentioned guidance set with the output shaft of actuator, makes the stressed more balance of stay bearing plate; By the guidance set of forming by above-mentioned orienting sleeve and pilot bar, make lifting bar of the present utility model can be more steady, more failure-free moves, thereby further provide excellent condition for the package quality that improves the OLED device.
Preferably, the upper end of described lifting bar also is provided with cushion rubber or plated film layer, and making needs to have flexibility between the workpiece in the packaged device in lifting bar and the cavity, thereby better protection needs the workpiece in the packaged device.
Preferably, the upper end of described lifting bar all is arranged in same plane, make lifting bar more failure-free hold up workpiece.
Compared with prior art, because the upper end of regulating part of the present utility model and the engagement connection that stay bearing plate is rotation, the lower end of regulating part is being threaded of socket with the output shaft of actuator, after making that on the one hand actuator of the present utility model orders about lifting bar and holds up workpiece in the OLED device that needs to encapsulate in the cavity and slightly move certain distance towards heating plate by regulating part, again distance between heating plate and the workpiece is regulated accurately, make workpiece and heating plate maintain in the preferable distance range and remove moisture to reach, the purpose of material such as moisture and oxygen, thus excellent condition provided with the life-span that prolongs the OLED device for the package quality that improves the OLED device; Make the simple in structure of reciprocal lifting mechanism of the present utility model on the other hand, cost is lower.Simultaneously, because bellows of the present utility model is to realize with the base plate of cavity and the sealing of stay bearing plate respectively by bellows to the sealing of the cooperation place of lifting bar and cavity, and the lifting bar that is positioned at outside the cavity is socketed on bellows, quicken the wearing and tearing of rubber seal so overcome the closed contact of existing lifting bar and rubber seal and increased problems such as maintenance time and cost, therefore, bellows of the present utility model makes that reciprocal lifting mechanism of the present utility model is more durable.
Description of drawings
Fig. 1 is the structural representation of the reciprocal lifting mechanism of the utility model.
Fig. 2 is the enlarged drawing of A part among Fig. 1.
Fig. 3 is the view that the reciprocal lifting mechanism of the utility model rises workpiece.
The specific embodiment
In order to describe technology contents of the present utility model, structural attitude in detail, be described further below in conjunction with embodiment and conjunction with figs..
See also Fig. 1 and Fig. 2, reciprocal lifting mechanism 1 of the present utility model is used to be installed in the cavity 2 with vacuum chamber, and this cavity 2 is used to the encapsulation of OLED device that the environment of vacuum is provided and moves up and down the space is provided for workpiece 3, and cavity 2 and fix with the external world.Reciprocal lifting mechanism 1 of the present utility model comprises stay bearing plate 11, adapter plate 19, actuator 12, regulating part 14 and some lifting bars one to one 13 and bellows 16, in the present embodiment, lifting bar 13 and bellows 16 all are chosen as five, their quantity is that those skilled in the art select according to actual needs, so their quantity is not limited at this.And that described stay bearing plate 11 is positioned at described cavity 2 is outer and parallel with the base plate 21 of described cavity 2, described adapter plate 19 is positioned at described stay bearing plate 11 belows and captives joint with the base plate 21 of described cavity 2, the lower end of described lifting bar 13 is fixed on all that (this fixed form is well known to those of ordinary skill in the art on the described stay bearing plate 11, so do not describe in detail), the upper end of described lifting bar 13 all is the bearing surface that leak free stretches in the described vacuum chamber (not shown) and forms carrying workpiece 3, the upper end of described regulating part 14 and described stay bearing plate 11 are the engagement connection of rotation, the lower end of described regulating part 14 is being threaded of socket with the output shaft 12a of described actuator 12, described actuator 12 is installed on the described adapter plate 19, described bellows 16 is socketed in outside the lifting bar 13 that is positioned at outside the described cavity 2, and the upper end of described bellows 16 and described cavity 2 are tightly connected, the lower end of described bellows 16 and described stay bearing plate 11 are tightly connected, and described actuator 12 drives described stay bearing plate 11 by described regulating part 14 and does straight reciprocating motion.Wherein,, prevent the unexpected rotation of regulating part 14 and have influence on the sharply tuned effect of reciprocal lifting mechanism 1 of the present utility model, so between the output shaft 12a of actuator 12 and regulating part 14, be provided with locking piece 15 in order to lock to regulating part 14; OLED device quality for the better protection encapsulation, prevent that lifting bar 13 from scratching the surface of the workpiece 3 in the OLED device, so also be provided with cushion rubber 18 or plated film layer in the upper end of lifting bar 13, the hardness of this cushion rubber 18 or plated film layer is less than the hardness of the workpiece in the OLED device; When making actuator 12 simple in structure, and can provide the power that moves along straight line, so the above-mentioned actuator of mentioning 12 is chosen as cylinder; In order to make that lifters is 13 more steady, hold up workpiece 3 in the OLED device reliably, so the upper end of lifters 13 all is located in the same horizontal plane.More specifically, as follows:
Please consult Fig. 1 and Fig. 2 again, the lower end of the above-mentioned regulating part of mentioning 14 offers regulating part negative thread (not marking among the figure), the output shaft 12a of actuator 12 is provided with the output shaft outside thread that matches with the regulating part negative thread (among the figure mark), and the above-mentioned locking piece of mentioning 15 is output shaft 12a that ingear is sheathed on actuator 12 and goes up and conflict with regulating part 14.Certainly, also can be provided with the regulating part outside thread by regulating part 14, on the output shaft 12a of actuator 12, offer the output shaft negative thread, and locking piece 15 is that ingear is sheathed on the regulating part 14 and conflict with the output shaft 12a of actuator 12, can realize the locking action of 15 pairs of regulating parts 14 of locking piece.Wherein, cooperate or the cooperating of regulating part outside thread and output shaft negative thread by regulating part negative thread and output shaft are externally threaded, improve the trimming precision between regulating part 14 and the actuator 12 further, thereby improved the trimming precision of reciprocal lifting mechanism 1 of the present utility model.Simultaneously, the upper end of the above-mentioned regulating part of mentioning 14 is provided with the plush copper 141 of arc, the stay bearing plate 11 cooresponding Fixing clamp-seats 110 that are equipped with, described Fixing clamp-seat 110 offers the purpose that engages with the rotary type of regulating part 14 with realization stay bearing plate 11 for described plush copper 141 engagement grooves 1100 ccontaining and engaging, certainly, directly engagement groove 1100 is opened in the mode that engages of the rotary type that also can realize regulating part 14 and stay bearing plate 11 on the stay bearing plate 11, therefore, by the plush copper 141 of arc and cooperating of engagement groove 1100, make that on the one hand stay bearing plate 11 and plush copper 141 are a little, line or small size contact, thereby make regulating part 14 easier rotations on stay bearing plate 11, thereby more convenient operating personal is to the operation of reciprocal lifting mechanism 1 of the present utility model.
See also Fig. 1 and Fig. 3, reciprocal lifting mechanism 1 of the present utility model also comprises several guidance sets 17, in the present embodiment, this guidance set 17 is chosen as four, this guidance set 17 is that the center is the setting of symmetry so that stay bearing plate 11 stressed more balances with the output shaft 12a of actuator 12, and this guidance set 17 comprises orienting sleeve 171 and the pilot bar 172 that cooperatively interacts and slide, this orienting sleeve 171 is installed on the above-mentioned stay bearing plate of mentioning 11, the upper end of this pilot bar 172 is fixed on the base plate 21 of cavity 2, and orienting sleeve 171 and fixing with adapter plate 19 is passed in the lower end of this pilot bar 172.Wherein, by the guidance set of forming by above-mentioned orienting sleeve 171 and pilot bar 172 17, make lifting bar 13 of the present utility model can be more steady, more failure-free vertically moves, thereby further provide excellent condition for the package quality that improves the OLED device.
In conjunction with the accompanying drawings, principle of work to the reciprocal lifting mechanism 1 of the utility model is explained in detail: during work, because actuator 12 is fixed on the base plate 21 of cavity 2 by adapter plate 19 and pilot bar 172, so make that the fixed distance between actuator 12 and the cavity 2 is constant, when the output shaft 12a of actuator 12 stretches out toward base plate 21 places of close cavity 2, driving regulating part 14 promotion stay bearing plates 11 vertically moves up, because lifting bar 13 is fixed on the stay bearing plate 11, do synchronous moving up so make lifting bar 13 follow stay bearing plate 11, the workpiece 3 that holds up in the cavity 2 is made quick travel toward heating plate (not shown) place, thereby finishes the coarse regulation of the distance between workpiece 3 and the heating plate.Distance between workpiece 3 and heating plate needs toward heating plate close too greatly, perhaps the distance between workpiece 3 and the heating plate is too little and need toward moving away from the heating plate direction when keeping suitable distance range, stop the start and the spin locking spare 15 of actuator 12, when it is moved a certain distance toward the direction that breaks away from and regulating part 14 is conflicted; Then, rotate regulating part 14 again, regulating part 14 is moved on the output shaft 12a of actuator 12, the regulating part 14 that moves drives stay bearing plates 11 by plush copper 141 and Fixing clamp-seat 110 and follows moving of regulating part 14 and do synchronous precisely moving, thereby has changed the workpiece 3 that is carried on the lifting bar 13 and the distance between the heating plate.When distance between workpiece 3 and the heating plate reaches needed scope, spin locking spare 15, make itself and regulating part 14 conflicts and realization to regulating part 14 lockings, after regulating part 14 locked, heating plate is just to the moisture on the workpiece 3, material such as moisture and oxygen is removed, removed moisture, the workpiece 3 of material such as moisture and oxygen just is transported in next step operation, and actuator 12 task again of this moment, its output shaft 12a is shunk toward the direction away from the base plate 21 of cavity 2, thereby drive regulating part 14, stay bearing plate 11 and lifting bar 13 synchronous coordinations reset, thereby are that the conveying of next workpiece 3 is ready.Wherein, the fine adjustment range between 14 pairs of workpiece 3 of regulating part and the heating plate is between 0.01 millimeter and 10 millimeters.
The upper end of regulating part 14 of the present utility model and stay bearing plate 11 are the engagement connection of rotation, the lower end of regulating part 14 is being threaded of socket with the output shaft 12a of actuator 12, after making that on the one hand actuator 12 of the present utility model orders about lifting bar 13 and holds up workpiece 3 in the OLED device that needs to encapsulate in the cavitys 2 and slightly move certain distance towards heating plate by regulating part 14, again distance between heating plate and the workpiece 3 is regulated accurately, make workpiece 3 and heating plate maintain in the preferable distance range and remove moisture to reach, the purpose of material such as moisture and oxygen, thus excellent condition provided with the life-span that prolongs the OLED device for the package quality that improves the OLED device; Make the simple in structure of reciprocal lifting mechanism 1 of the present utility model on the other hand, cost is lower.Simultaneously, because 16 pairs of lifting bars of bellows of the present utility model 13 are to realize with the base plate 21 of cavity 2 and the sealing of stay bearing plate 11 respectively by bellows 16 with the sealing of the cooperation place of cavity 2, be socketed on bellows 16 and be positioned at cavity 2 outer lifting bars 13, quicken the wearing and tearing of rubber seal so overcome the closed contact of existing lifting bar and rubber seal and increased problems such as maintenance time and cost, therefore, bellows 16 of the present utility model makes that reciprocal lifting mechanism of the present utility model 1 is more durable.
Above disclosed only is preferred embodiments of the present utility model, can not limit the interest field of the utility model certainly with this, and therefore the equivalent variations of being done according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (8)
1. reciprocal lifting mechanism, be adapted to be installed on the cavity with vacuum chamber, it is characterized in that, described reciprocal lifting mechanism comprises stay bearing plate, adapter plate, actuator, regulating part and some lifting bars one to one and bellows, it is outer and parallel with the base plate of described cavity that described stay bearing plate is positioned at described cavity, described adapter plate is positioned at described stay bearing plate below and captives joint with the base plate of described cavity, the lower end of described lifting bar all is fixed on the described stay bearing plate, the upper end of described lifting bar all is the bearing surface that leak free stretches in the described vacuum chamber and forms the carrying workpiece, the upper end of described regulating part and described stay bearing plate are the engagement connection of rotation, the lower end of described regulating part is being threaded of socket with the output shaft of described actuator, described actuator is installed on the described adapter plate, described bellows is socketed in and is positioned at the outer and upper end of the outer lifting bar of described cavity and described cavity is tightly connected, lower end and described stay bearing plate are tightly connected, and described actuator drives described stay bearing plate by described regulating part and does straight reciprocating motion.
2. reciprocal lifting mechanism as claimed in claim 1 is characterized in that, also comprises the output shaft that is arranged at described actuator and the locking piece between the described regulating part.
3. reciprocal lifting mechanism as claimed in claim 2, it is characterized in that, the lower end of described regulating part offers the regulating part negative thread, the output shaft of described actuator is provided with the output shaft outside thread that matches with described regulating part negative thread, and described locking piece is on the output shaft that ingear is sheathed on described actuator and with described regulating part conflicts.
4. reciprocal lifting mechanism as claimed in claim 2, it is characterized in that, the lower end of described regulating part offers the regulating part outside thread, the output shaft of described actuator is provided with the output shaft negative thread that matches with described regulating part outside thread, and described locking piece is that ingear is sheathed on the described regulating part and conflicts with the output shaft of described actuator.
5. reciprocal lifting mechanism as claimed in claim 1 is characterized in that, the upper end of described regulating part is provided with the plush copper of arc, and the cooresponding Fixing clamp-seat that is equipped with of described stay bearing plate, described Fixing clamp-seat offer the engagement groove of and engaging ccontaining for described plush copper.
6. reciprocal lifting mechanism as claimed in claim 1, it is characterized in that, also comprise several guidance sets, described guidance set is the setting that the center is symmetry with the output shaft of described actuator, described guidance set comprises orienting sleeve and the pilot bar that cooperatively interacts and slide, described orienting sleeve is installed on the described stay bearing plate, and the upper end of described pilot bar is fixed on the base plate of described cavity, and the lower end of described pilot bar is passed described orienting sleeve and fixed with described adapter plate.
7. reciprocal lifting mechanism as claimed in claim 1 is characterized in that, the upper end of described lifting bar also is provided with cushion rubber or plated film layer.
8. reciprocal lifting mechanism as claimed in claim 1 is characterized in that the upper end of described lifting bar all is arranged in same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206363909U CN201942475U (en) | 2010-12-01 | 2010-12-01 | Reciprocating lifting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206363909U CN201942475U (en) | 2010-12-01 | 2010-12-01 | Reciprocating lifting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201942475U true CN201942475U (en) | 2011-08-24 |
Family
ID=44469823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206363909U Expired - Lifetime CN201942475U (en) | 2010-12-01 | 2010-12-01 | Reciprocating lifting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201942475U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102120552A (en) * | 2010-12-01 | 2011-07-13 | 东莞宏威数码机械有限公司 | Reciprocated lifting device |
| CN105654620A (en) * | 2016-03-15 | 2016-06-08 | 范继良 | Automatic food vending machine |
-
2010
- 2010-12-01 CN CN2010206363909U patent/CN201942475U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102120552A (en) * | 2010-12-01 | 2011-07-13 | 东莞宏威数码机械有限公司 | Reciprocated lifting device |
| CN102120552B (en) * | 2010-12-01 | 2013-04-10 | 东莞宏威数码机械有限公司 | Reciprocated lifting device |
| CN105654620A (en) * | 2016-03-15 | 2016-06-08 | 范继良 | Automatic food vending machine |
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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: 20110824 Effective date of abandoning: 20130410 |
|
| RGAV | Abandon patent right to avoid regrant |