CN201065317Y - Frame type radar antenna lifting device - Google Patents
Frame type radar antenna lifting device Download PDFInfo
- Publication number
- CN201065317Y CN201065317Y CNU2006201648309U CN200620164830U CN201065317Y CN 201065317 Y CN201065317 Y CN 201065317Y CN U2006201648309 U CNU2006201648309 U CN U2006201648309U CN 200620164830 U CN200620164830 U CN 200620164830U CN 201065317 Y CN201065317 Y CN 201065317Y
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- China
- Prior art keywords
- frame
- lifting
- radar antenna
- hoisting device
- type radar
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- Expired - Fee Related
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Abstract
The utility model discloses a frame type lifting device for antennae, comprising a lifting mechanism, a transmission mechanism, a locking mechanism, an antenna bracket and a base support, which is characterized in that a mounting frame is added. The mounting frame is of rigid structure, and comprises an upper frame, a lower frame and a plurality of upright columns; the lifting mechanism, the transmission mechanism and the antenna bracket are all arranged on the frame to form an integral frame type lifting structure. Driven by the lifting mechanism and the transmission mechanism, the antenna bracket lifts and lowers the antenna in the frame; the lifting mechanism comprises two self locking trapezoid lead screws and two ball linear guides; the transmission mechanism comprises a biaxial output motor, two couplings, a diverter, a speed reducer, a lead screw and a driving diverter of the biaxial output motor, and drives two reduction gearboxes arranged at two ends to synchronously rotate through two transmission shafts and two couplings; a lead screw used for lifting is driven to rotate, and the antenna bracket then can rise and descend. The utility model has the advantages of providing a stable work platform for the antenna system, and meeting the demands for safety during lifting.
Description
Technical field
The utility model belongs to the mechanical transmissioning technology field, specifically is a kind of frame-type jacking system, is used to set up, removes the receipts radar aerial, guarantees the normal operation of radar and transports safely.
Technical background
In modern radar, continental rise cabin formula radar particularly, the maneuverability requirement that does not set up fast when superelevation and work when guaranteeing the transportation of radar vehicle needs a cover jacking system, during radar work antenna is stretched out out of my cabin, when transporting antenna is regained in the cabin.Radar Antenna Hoisting Device generally has two types of fluid pressure type and mechanical types, and hydraulic lifting device uses on the radar many at home and abroad.But the structure more complicated of hydraulic lifting device, cost is higher, is subjected to such environmental effects bigger.Compare with hydraulic lifting device, the structure of mechanical ascending and descending device is comparatively simple.Mechanical ascending and descending generally adopts scheme 1 at present: " adopting sprocket wheel+leading screw " and scheme 2: " retarder+leading screw "." scheme 1 " relies on sprocket wheel to drive leading screw and realizes driven in synchronism, and transmission stability is relatively poor, and the driving system life-span is low; " scheme 2 " relies on retarder to drive leading screw and realizes driven in synchronism.Leading screw is counter-bending to be realized such scheme to rely on when finishing lifting, causes the lifting of the device bumpy motion that falls, and the leading screw life-span is reduced greatly.By last analysis as can be known, the radar jacking system and the mechanical type radar jacking system of the present fluid pressure type that uses exist following defective or deficiency:
(1) the structure more complicated of hydraulic lifting device, is subjected to such environmental effects bigger at poor stability;
(2) the jacking system traveling comfort is poor, has reduced the service life of driving system.
(3) adopt above-mentioned two kinds of mechanical ascending and descending schemes, antenna must be connected with the cabin body when work, and the accuracy requirement during with the work of assurance antenna because it is longer to connect the required time, has influenced the manoevreability war fighting requirement of radar.
The utility model content
The purpose of this utility model is to avoid above-mentioned the deficiencies in the prior art, and the novel frame formula that a kind of lifting is steady, manoevreability is good Radar Antenna Hoisting Device is provided.
To achieve these goals, the utility model adopts the mechanical elevating new departure of " speed increaser+motor+diverter+coupler+4 worm retarder+trapezoidal screw+line slideway+lead frame+catch gear ", the concrete composition of the radar jacking system that this technical scheme provided comprises driver element, performance element, catch gear, aerial bracket, base support, its special feature is a driver element, performance element, catch gear, aerial bracket, base support is installed in the lead frame, constitute holistic frame-type jacking system, at driver element, under the effect of performance element, antenna lifting in lead frame is carried in the aerial bracket holder.
Above-mentioned lead frame is welded by upper frame, column, crossbeam, angle brace, underframe.
Above-mentioned performance element is mariages thick stick, two guide rail setting.Leading screw is the self-locking type trapezoidal screw, cooperates with the nut that connects firmly in the carriage cylinders hole, and the base support that is fixed on the underframe is passed in its lower end, with four-head worm reducer sliding block joint; Its upper end bearing interior with being installed in upper frame is connected; Two pairs of ball line slideways are installed on respectively on the sidewall of upright of frame, and the ball line slideway is provided with slide block, and slide block is connected with the corner fittings that is fixed on the aerial bracket vertical plane; This performance element makes aerial bracket steadily lifting under ball line slideway guiding.
Above-mentioned driver element is made up of twin shaft output motor, diverter, coupler, four-head worm retarder and transmission shaft, and an end of described twin shaft output motor connects diverter, and the other end connects the hand-operated lifting unit; Described transmission shaft and coupler couple together the four-head worm reducer at diverter and two ends, constitute the driver element of driven antenna carriage lifting, are installed on the bottom surface of underframe.
Above-mentioned catch gear is spiral catch gear, and this spiral catch gear is made up of adapter plate, twin screw, twin-lock jack panel, adjustment cushion block, fixed mount.Wherein, adapter plate is fixed on screw rod the vertical plane of aerial bracket, fixed mount is fixed on below the upper frame, when the antenna carriage rises to control position, screw rod just falls in the groove of fixed mount, by the jam nut on the screw rod aerial bracket and fixed mount are locked, for antenna system provides a stable workplatform.
The base support of above-mentioned radar jacking system is for having certain elastomeric parts, and by bearing, rubber pad, cover plate are formed, and rubber plate is installed in the bearing cavity, and cover plate can slide up and down along bearing; The influence that the protection leading screw is not subjected to the antenna system deadweight and transports vibration, impulsive force when being travelling position.
The present invention is respectively equipped with electric travel switch on two columns of lead frame, wherein upper stroke switch is located at the upper end of a column, and lower stroke switch is located at the lower end of another column, by the accurate position of electric travel switch control lifting table lifting.
The present invention is provided with the hand-operated lifting unit by manual speed increaser, and coupler, transmission shaft, crank axle are formed.This manual speed increaser is a planet gear, can accelerate rising or falling speed when hand-operated lifting.
The aerial bracket of above-mentioned radar jacking system is the carrying platform of antenna system, also is the lifting table of jacking system.
Compared with prior art, the utility model lifting structure has following characteristics:
(1) adopt the tower structure of rigidity, aerial bracket, lifting mechanism, driver element are installed in the lead frame, making whole device is a tower structure, has guaranteed that the aerial bracket holder carries antenna steadily lifting in framework;
(2) lifting has guaranteed the antenna installation running stability by two ball line slideway guiding; This line slideway has space any direction bending resistance effect, the rigidity requirement of structure in the time of can guaranteeing radar work;
(3) this jacking system relies on the self-locking performance of double trapezoid leading screw to guarantee the requirement of radar aerial elevating safety; The synchronized operation of simultaneously two ball line slideways and double trapezoid leading screw also improves the stationarity and the reliability of antenna lifting greatly;
(4) this jacking system stroke is bigger, and leading screw is installed for lifting, and the size because of lifting weight does not keep stable.
(5) this jacking system both can be controlled by circuit, had increased hand-operated lifting again, for field exercise or can not expectational factor increase expeditious measures wartime;
(6) the utility model is simple to operate, safety good, manoevreability is good, maintainability is high, no stuck fault in the lifting.
Description of drawings
Fig. 1 lead frame is formed scheme drawing
Fig. 2 a driver element front view
Fig. 2 b driver element birds-eye view
Fig. 3 jacking system front view
Fig. 4 jacking system right elevation
Fig. 5 jacking system A-A cutaway view
Fig. 6 jacking system B-B cutaway view
Fig. 7 leading screw lifting scheme of installation
The specific embodiment
With reference to following accompanying drawing, the utility model jacking system specific embodiment is described in detail.
Referring to Fig. 1, the lead frame of the utility model jacking system is made up of upper frame 1, underframe 2, column 3, crossbeam 4, angle brace 5, and each member all adopts the rectangular steel pipe section bar.The layout of its central post 3, crossbeam 4, angle brace 5 is according to the inflexible target requirement, obtains by finite element analysis, calculating.
Referring to Fig. 2 a and Fig. 2 b, driver element of the present utility model adopts " twin shaft output motor+diverter+4 worm retarder+self-locking type trapezoidal screw " scheme, and driver element specifically is made up of twin shaft output motor 6, diverter 7, coupler 8, four-head worm retarder 9, transmission shaft 10.One end of twin shaft output motor 6 is connected with diverter 7 by coupler 8; The other end is connected with manual part by coupler 8; Diverter 7 is connected with the retarder 9 at two ends by coupler 8 and transmission shaft 10; Self-locking type trapezoidal screw 11 and retarder 9 sliding block joints.Alternating current dynamo 6 drives diverter 7, drive two ends drop-gear box 9 by transmission shaft 10 and coupler 8 and rotate synchronously, and then the leading screw 11 of drive execution elevating function rotates synchronously.
Referring to Fig. 3, Fig. 4, Fig. 5, the utility model jacking system is fixed on the bottom surface of lead frame underframe 2 with driver element, and performance element, aerial bracket 13 are installed in the lead frame.Trapezoidal screw 11 upper ends that wherein constitute performance element are fixed in the upper frame 1; Ball line slideway 14 is fixed on the side of column 3, and described trapezoidal screw 11 and ball line slideway 14 are two.Trapezoidal screw 11 cooperates with the nut 12 that connects firmly at aerial bracket 13 cylindrical holes, at the vertical plane of aerial bracket 13 corner fittings 15 is housed, and cooperates with slide block 16 on the ball line slideway 14.Connection mode by aerial bracket 13 and leading screw 11 and guide rail 14 has guaranteed aerial bracket 13 steadily lifting under the guiding of guide rail 14.
Referring to Fig. 4, base support is made up of rubber pad 16, cover plate 17, bearing 18.Base support is fixed on the lower surface of underframe 2, and retarder 9 sliding block joints of base support and underframe 2 bottoms are passed in the lower end of trapezoidal screw 11.The rubber pad 16 of described base support is installed in bearing 18 cavitys, and cover plate 17 can slide up and down along bearing 18; Guaranteed leading screw 11 is not subjected to the antenna system deadweight and transports vibration, impulsive force when travelling position effect.
Referring to Fig. 4, hand-operated lifting part is made up of speed increaser 20, crank axle 21, and speed increaser 20 is a planet gear, and it passes through coupler 22, transmission shaft 19 is connected with motor 6, manually shakes crank axle 21, can realize aerial bracket 13 lifting.Hand-operated lifting measure of the present utility model is a kind of backup expeditious measures, is generally abnomal condition and prepares.
Referring to Fig. 3, Fig. 4, described catch gear of the present utility model is spiral catch gear, this spiral catch gear is made up of fixed mount 26, adapter plate 27, twin screw 28, twin-lock jack panel 29, wherein, fixed mount 26 is installed in the lower surface of upper frame 1, adapter plate 27 is fixed on screw rod 28 on the aerial bracket 13, when antenna carriage 13 rises to control position, as shown in Figure 3, screw rod 28 just falls in the groove of fixed mount 26, manually with jam nut on the screw rod 29 and fixed mount locking, for antenna system provides a stable workplatform.
Referring to Fig. 5, Fig. 6, the utility model is provided with upper and lower electric travel switch 30,31 on column 3, and may command aerial bracket 13 puts in place and reliably stops.When triggering upper stroke switch 30, aerial bracket 13 (and antenna, down together) rise to control position, by jam nut 29 aerial bracket 13 and fixed mount 26 are locked, aerial bracket 13 and lead frame are become one, for antenna work provides a stabilised platform.When triggering lower stroke switch 31, aerial bracket 13 drops on the lower support seat, and leading screw 11 will not be subjected to aerial bracket 13 deadweight effects, the influence of having protected leading screw 11 not vibrated, impact under travelling position.Fig. 3 has provided aerial bracket lifting control position, transporting position.Fig. 5, Fig. 6 have then provided the installation site of upper and lower electric travel switch 30,31.
Referring to Fig. 7, trapezoidal screw 11 is to realize leading screw is lifted in the mounting hole of upper frame by the angular contact bearing 23, end ring 24, the jam nut 25 that are located in the upper frame hole with the installation of upper frame 1.Because angular contact bearing 23 can bear axial force, has guaranteed that leading screw bears pulling force rather than pressure all the time, and then has solved the stability problem of leading screw.
Test shows: this new antenna jacking system has higher reliability, safety, the rigidity requirement in the time of can satisfying radar work and the maneuverability requirement of trailer-mounted radar.This frame-type jacking system is simple to operate, reliability is high, operate steadily, do not have advantages such as stuck and easy-maintaining, can satisfy the operating needs of radar.
Claims (8)
1. a frame-type Radar Antenna Hoisting Device comprises gear unit, performance element, catch gear, aerial bracket, base support, it is characterized in that: described gear unit, performance element, catch gear, aerial bracket (13), base support is installed in the lead frame, constitute holistic frame-type lifting structure, under the driving of gear unit, performance element, antenna lifting in framework is carried in aerial bracket (13) holder.
2. frame-type Radar Antenna Hoisting Device according to claim 1 is characterized in that: described lead frame is welded by upper frame (1), underframe (2), column (3), crossbeam (4), angle brace (5).
3. frame-type Radar Antenna Hoisting Device according to claim 1 and 2, it is characterized in that: described performance element is made of two self-locking type trapezoidal screws (11), two ball line slideway (14), trapezoidal screw (11) nut (12) interior with being connected in aerial bracket (13) cylindrical hole cooperates, the base support that is fixed on underframe (2) lower surface is passed in its lower end, with four-head worm reducer (9) sliding block joint, its upper end bearing (23) interior with being installed in upper frame (1) is connected; Two pairs of ball line slideways (14) are installed on the sidewall of upright of frame (3) respectively, ball line slideway (14) is provided with slide block (16), be connected with the corner fittings (15) that is fixed on aerial bracket (13) vertical plane, make aerial bracket (13) steady lifting under ball line slideway (14) guiding.
4. frame-type Radar Antenna Hoisting Device according to claim 1 and 2, it is characterized in that: described gear unit is made up of twin shaft output motor (6), diverter (7), coupler (8), four-head worm retarder (9) and transmission shaft (10), one end of described twin shaft output motor (6) connects diverter (7), and the other end connects the hand-operated lifting unit; Described transmission shaft (10) and coupler (8) are connected one with the four-head worm reducer (9) at diverter (7) and two ends, constitute the transmission device of driven antenna lifting, are installed on the bottom surface of underframe (2).
5. frame-type Radar Antenna Hoisting Device according to claim 1, it is characterized in that: described catch gear is spiral catch gear, form by fixed mount (26), adapter plate (27), screw rod (28), jam nut (29), wherein, fixed mount (26) is fixed on below the upper frame (1), adapter plate (27) is fixed on screw rod (28) on the vertical plane of aerial bracket (13), by the jam nut on the screw rod (29) aerial bracket (13) and fixed mount is locked.
6. frame-type Radar Antenna Hoisting Device according to claim 1, it is characterized in that: on two columns (11) of lead frame, be respectively equipped with upper and lower electric travel switch (30), (31), wherein upper stroke switch (30) is located at the upper end of a column (11), and lower stroke switch (31) is located at the lower end of another column (11).
7. according to the frame-type Radar Antenna Hoisting Device of claim 3, it is characterized in that: described hand-operated lifting unit is made up of manual speed increaser (20), crank axle (21), transmission shaft (19), coupler (22), described manual speed increaser (20) is a planet gear, is connected with dual-axle motor (6) by coupler (22), transmission shaft (19).
8. according to the frame-type Radar Antenna Hoisting Device of claim 1, it is characterized in that: described base support is made up of rubber pad (16), cover plate (17), bearing (18), rubber pad (16) is installed in bearing (18) cavity, and cover plate (17) can slide up and down along bearing (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201648309U CN201065317Y (en) | 2006-12-27 | 2006-12-27 | Frame type radar antenna lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201648309U CN201065317Y (en) | 2006-12-27 | 2006-12-27 | Frame type radar antenna lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201065317Y true CN201065317Y (en) | 2008-05-28 |
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ID=39482487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201648309U Expired - Fee Related CN201065317Y (en) | 2006-12-27 | 2006-12-27 | Frame type radar antenna lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201065317Y (en) |
Cited By (18)
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|---|---|---|---|---|
| CN101604785A (en) * | 2009-06-26 | 2009-12-16 | 无锡爱达威通信科技有限公司 | A kind of retractable antenna stand device |
| CN104090279A (en) * | 2014-07-11 | 2014-10-08 | 四川省绵阳西南自动化研究所 | Excavation working face detection device based on laser radar |
| CN104261309A (en) * | 2014-08-20 | 2015-01-07 | 上海卫星装备研究所 | Flexible guiding device of vacuum low-temperature motion mechanism |
| CN105215587A (en) * | 2015-10-29 | 2016-01-06 | 嵊州新锐大进焊接设备有限公司 | A kind of for the lowering or hoisting gear in bonding machine |
| CN105565221A (en) * | 2015-12-23 | 2016-05-11 | 国网河南省电力公司南阳供电公司 | Lifting device for maintaining wiring terminals on power distribution station outdoor wall |
| CN106276704A (en) * | 2016-10-24 | 2017-01-04 | 中国兵器装备集团自动化研究所 | A kind of vehicle-mounted Two axle drive lifting device |
| CN106785327A (en) * | 2017-01-22 | 2017-05-31 | 江苏捷诚车载电子信息工程有限公司 | Vehicle-mounted double lead-screw power antenna hoistable platform |
| CN106785312A (en) * | 2017-02-20 | 2017-05-31 | 西安电子科技大学 | A kind of conical log-spiral antennas extendable device |
| CN107171053A (en) * | 2017-05-19 | 2017-09-15 | 浙江龙游公任电子有限公司 | A kind of convenient exterior aerial drawn in |
| CN107171051A (en) * | 2017-05-16 | 2017-09-15 | 浙江龙游公任电子有限公司 | A kind of antenna for cold district |
| CN107572451A (en) * | 2017-10-27 | 2018-01-12 | 上海理工大学 | Lift based on auto-manual control |
| CN107926340A (en) * | 2017-10-20 | 2018-04-20 | 浙江胜百信息科技有限公司 | A kind of plant growing machine that can adjust illumination height |
| CN108609553A (en) * | 2018-05-18 | 2018-10-02 | 宁波鄞州义旺电子科技有限公司 | A kind of informationization operation and maintenance equipment |
| CN109149059A (en) * | 2018-08-08 | 2019-01-04 | 衡阳泰豪通信车辆有限公司 | A kind of day line turnover device and its installation method |
| CN110611148A (en) * | 2019-09-30 | 2019-12-24 | 中国电子科技集团公司第五十四研究所 | Lifting mechanism of vehicle-mounted electric lifting rod |
| CN110970702A (en) * | 2019-10-24 | 2020-04-07 | 南京吉凯微波技术有限公司 | Radar antenna heavy-load multisection synchronous servo elevator |
| CN111082820A (en) * | 2019-12-23 | 2020-04-28 | 江苏久高电子科技有限公司 | Satellite communication transceiver with simple installation and installation method thereof |
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- 2006-12-27 CN CNU2006201648309U patent/CN201065317Y/en not_active Expired - Fee Related
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101604785B (en) * | 2009-06-26 | 2013-10-09 | 无锡德通数据无线通信科技有限公司 | Retractable antenna stand device |
| CN101604785A (en) * | 2009-06-26 | 2009-12-16 | 无锡爱达威通信科技有限公司 | A kind of retractable antenna stand device |
| CN104090279A (en) * | 2014-07-11 | 2014-10-08 | 四川省绵阳西南自动化研究所 | Excavation working face detection device based on laser radar |
| CN104261309A (en) * | 2014-08-20 | 2015-01-07 | 上海卫星装备研究所 | Flexible guiding device of vacuum low-temperature motion mechanism |
| CN104261309B (en) * | 2014-08-20 | 2017-04-26 | 上海卫星装备研究所 | Flexible guiding device of vacuum low-temperature motion mechanism |
| CN105215587A (en) * | 2015-10-29 | 2016-01-06 | 嵊州新锐大进焊接设备有限公司 | A kind of for the lowering or hoisting gear in bonding machine |
| CN105565221A (en) * | 2015-12-23 | 2016-05-11 | 国网河南省电力公司南阳供电公司 | Lifting device for maintaining wiring terminals on power distribution station outdoor wall |
| CN106276704A (en) * | 2016-10-24 | 2017-01-04 | 中国兵器装备集团自动化研究所 | A kind of vehicle-mounted Two axle drive lifting device |
| CN106785327A (en) * | 2017-01-22 | 2017-05-31 | 江苏捷诚车载电子信息工程有限公司 | Vehicle-mounted double lead-screw power antenna hoistable platform |
| CN106785327B (en) * | 2017-01-22 | 2023-09-22 | 江苏捷诚车载电子信息工程有限公司 | Vehicle-mounted double-screw electric antenna lifting platform |
| CN106785312B (en) * | 2017-02-20 | 2019-02-22 | 西安电子科技大学 | A kind of conical log-spiral antennas extendable device |
| CN106785312A (en) * | 2017-02-20 | 2017-05-31 | 西安电子科技大学 | A kind of conical log-spiral antennas extendable device |
| CN107171051B (en) * | 2017-05-16 | 2019-09-10 | 浙江龙游公任电子有限公司 | A kind of antenna for cold district |
| CN107171051A (en) * | 2017-05-16 | 2017-09-15 | 浙江龙游公任电子有限公司 | A kind of antenna for cold district |
| CN107171053A (en) * | 2017-05-19 | 2017-09-15 | 浙江龙游公任电子有限公司 | A kind of convenient exterior aerial drawn in |
| CN107171053B (en) * | 2017-05-19 | 2019-04-26 | 浙江龙游公任电子有限公司 | A kind of exterior aerial facilitating gathering |
| CN107926340A (en) * | 2017-10-20 | 2018-04-20 | 浙江胜百信息科技有限公司 | A kind of plant growing machine that can adjust illumination height |
| CN107572451A (en) * | 2017-10-27 | 2018-01-12 | 上海理工大学 | Lift based on auto-manual control |
| CN108609553A (en) * | 2018-05-18 | 2018-10-02 | 宁波鄞州义旺电子科技有限公司 | A kind of informationization operation and maintenance equipment |
| CN109149059B (en) * | 2018-08-08 | 2020-07-07 | 衡阳泰豪通信车辆有限公司 | Antenna overturning device and installation method thereof |
| CN109149059A (en) * | 2018-08-08 | 2019-01-04 | 衡阳泰豪通信车辆有限公司 | A kind of day line turnover device and its installation method |
| CN110611148A (en) * | 2019-09-30 | 2019-12-24 | 中国电子科技集团公司第五十四研究所 | Lifting mechanism of vehicle-mounted electric lifting rod |
| CN110611148B (en) * | 2019-09-30 | 2024-08-23 | 中国电子科技集团公司第五十四研究所 | Lifting mechanism of vehicle-mounted electric lifting rod |
| CN110970702A (en) * | 2019-10-24 | 2020-04-07 | 南京吉凯微波技术有限公司 | Radar antenna heavy-load multisection synchronous servo elevator |
| CN111082820A (en) * | 2019-12-23 | 2020-04-28 | 江苏久高电子科技有限公司 | Satellite communication transceiver with simple installation and installation method thereof |
| CN114541195A (en) * | 2022-04-25 | 2022-05-27 | 中铁第四勘察设计院集团有限公司 | Abrasive water jet polishing system and method based on multi-axis drive control |
| WO2023207007A1 (en) * | 2022-04-25 | 2023-11-02 | 中铁第四勘察设计院集团有限公司 | Abrasive water jet grinding system and method based on multi-axis drive control |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080528 Termination date: 20111227 |