CN101070086B - Motor-cycle power drive mechanism - Google Patents
Motor-cycle power drive mechanism Download PDFInfo
- Publication number
- CN101070086B CN101070086B CN2006100506288A CN200610050628A CN101070086B CN 101070086 B CN101070086 B CN 101070086B CN 2006100506288 A CN2006100506288 A CN 2006100506288A CN 200610050628 A CN200610050628 A CN 200610050628A CN 101070086 B CN101070086 B CN 101070086B
- Authority
- CN
- China
- Prior art keywords
- driven
- wheel disc
- interior
- driven wheel
- wheel
- Prior art date
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
The invention discloses a drive gear for the motorcycle power. It gets over the high petrol cost of the present motorcycle. The device is: action wheel, the driven wheel and the triangular belt. The action wheel includes the out action wheel disk fixed on the driving axle outer end, the inner action wheel disk with the active spring covered on the driving axle; the driven wheel is covered on the driven axle which includes the out driven wheel disk covered on the driven axis and the fixed disk, the inner driven wheel disk covered on the driven axis between which it is set with the driven spring. The roller taper centrifugal structure is set between the fixed disk and the inner driven wheel disk which reaches to some rotate speed, the space between the inner driven wheel disk and the out driven wheel disk becomes big.
Description
Technical field
The present invention relates to a kind of motor bike, relate in particular to a kind of with the motor-cycle power drive mechanism of V-belt as driving band.
Background technology
Motor bike is as a kind of vehicle easily, and it is widely used.The Power train of existing motor bike generally comprises piston, bent axle, driving wheel, flower wheel, triangular driving band.Driving wheel and bent axle link, and flower wheel and bike wheel link.As disclosing a kind of motor-cycle power drive mechanism in the Chinese utility model patent 02276687.1, driving wheel wherein is a split-type structural, it is made of the interior active wheel disc and the outer driver dish that are socketed on the imput shaft, the opposite flank of interior outer driver dish is the conical surface, form a V-shaped groove between the two, triangular driving band is connected in this V-shaped groove.Interior initiatively wheel disc is socketed on the imput shaft with gap, be provided with the slope board of a band tapering in the inboard of interior active wheel disc, keep axial restraint between this slope board and the imput shaft, form the wedge cavities of an annular between slope board and the interior active wheel disc, some rolling bodys are located in this wedge cavities.Flower wheel links by a power-transfer clutch and driven shaft, flower wheel also is the branch body structure, it mainly is made of the interior driven wheel disc and the outer driven wheel disc that are socketed on the driven shaft, in the V-shaped groove that forms between driven wheel disc and the outer driven wheel disc in triangular driving band is connected in, be maintained fixed between driven wheel disc and the power-transfer clutch wherein, outer driven wheel disc is socketed on the driven shaft with gap, is provided with compression spring between driven outside wheel disc and the driven shaft.
Above-mentioned transmission device is in the course of the work when the rotating speed of driving engine raises, described rolling body is radially outwards motion in described wedge cavities under action of centrifugal force, the active wheel disc was towards outer driver dish direction longitudinal travel in rolling body forced when moving in wedge cavities, because the length of triangular driving band is constant basically, so just make the diameter of driving wheel and triangular driving band touching position become big, correspondingly the diameter of flower wheel and triangular driving band touching position diminishes, and be at a high speed than transmission this moment between driving wheel and the flower wheel; And engine speed is when diminishing, and the situation the when diameter of driving wheel or flower wheel and triangular driving band touching position and engine speed become big is opposite, compares transmission for low speed between this moment driving wheel and the flower wheel.This transmission device is mainly reflected in the oil consumption in the defective of practical work process.Because, motor bike is in starting, climbing, desirable mode of operation is to adopt the low speed ratio under the load-carrying situation, and driver's open the throttle wide often under actual conditions, it is very high that throttle strengthens the rear engine rotating speed, because under the effect of rolling body, it is big that the diameter of driving wheel and triangular driving band touching position becomes, and the diameter of flower wheel and triangular driving band touching position diminishes, the type of drive that between driving wheel and the flower wheel is the at high speed ratio is at this moment carried out work, must cause the output torque of driving wheel little, propulsive effort is not enough, and skidding appears in power-transfer clutch, and loss in efficiency is bigger under the situation of high oil consumption.Moreover during single low speed driving, because that throttle is opened is little, the rotating speed of driving engine is little, between driving wheel and the flower wheel on the contrary with low speed than carrying out transmission, the as much oil consumption.When motor bike drives at moderate speed in load-carrying, also because throttle must add the great talent and seems energetically, and cause at a high speed than transmission, can't resemble and fall one, two grade of use grade speed change, power has also lost.Have only single middling speed, do not see just when running at high speed what loss fuel oil has, but motor bike is in the process of travelling, road conditions but can not be consistent, when the driver according to road conditions by the control throttle when motor bike is controlled, its fuel oil must be lost.
Summary of the invention
For overcoming the above-mentioned defective that existing motor bike transmission device is had, the technical issues that need to address of the present invention are: the motor-cycle power drive mechanism that a kind of new structure is provided, it is assemblied in back motorcycle fuel good economy performance on the motor bike, can more successfully drive motor bike.
For solveing the technical problem, technical scheme of the present invention: a kind of motor-cycle power drive mechanism, comprise the driving wheel that is connected on the imput shaft, be connected in flower wheel, triangular driving band on the driven shaft, described driving wheel comprises the outer driver dish that is connected in the imput shaft outer end, is socketed in the interior active wheel disc which is provided with drive spring on the imput shaft with gap; Described flower wheel gap is socketed on the driven shaft, structure is socketed in outer driven wheel disc and reaction plate on the driven shaft with comprising axial restraint, is socketed in the interior driven wheel disc on the driven shaft, interior driven wheel disc is between outer driven wheel disc and reaction plate, between reaction plate and interior driven wheel disc, be provided with driven spring, between reaction plate and interior driven wheel disc, be provided with rolling body conical surface exocentric structure, in this rolling body conical surface exocentric structure makes when high speed rotating between driven wheel disc and the outer driven wheel disc gap become big; Described triangular driving band is connected in respectively in the V-shaped groove that forms between the V-shaped groove that forms between the inside and outside active wheel disc opposite flank and the inside and outside driven wheel disc opposite flank; Be provided with Power train between flower wheel and driven shaft, it is characterized in that, reaction plate is made of chassis that interconnects and outslope plate, and an end of above-mentioned driven spring acts on the outslope plate; In reaction plate, be provided with slope board in, slope board and interior driven wheel disc are fixed together in being somebody's turn to do, described rolling body conical surface exocentric structure comprises interior slope board, outslope plate rolling body, constitute an annular wedge cavities between interior slope board and outslope plate, described rolling body is positioned at this wedge cavities.Described imput shaft and driving engine link, and driven shaft and wheel link.When motor bike in the process of starting, climbing or load-carrying, because the speed of a motor vehicle is lower, the not internal flower wheel of rolling body in the rolling body conical surface exocentric structure is folded effect, driven wheel disc is towards the direction extruding triangular driving band of outer driven wheel disc under the effect of driven spring, thereby the diameter that makes flower wheel and triangular driving band contact position becomes big, and the diameter of driving wheel and triangular driving band contact position diminishes, adopt the low speed ratio to carry out transmission between driving wheel and the flower wheel, cause the output torque of driving wheel big, motor bike can more successfully travel.When motor bike when running at high speed, the speed height that flower wheel rotates, the suffered centnifugal force of rolling body strengthens, driven wheel disc overcame the direction displacement of elastic force driven wheel disc outside deviating from of driven spring in rolling body can impel, the diameter of flower wheel and triangular driving band contact position diminishes, and the moving diameter with the driving wheel contact position of three angle transmissions becomes big, it between driving wheel and the flower wheel type of drive of high speed ratio, the moving velocity of motor bike is fast, the rotating speed of driving engine does not need too high, correspondingly throttle does not just need to strengthen, and has reduced oil consumption.Interior slope board generally has tapering, guide groove can be established in position corresponding to each rolling body on interior slope board, gap in rolling body can make during along radially outward the moving of interior slope board in this guide groove between driven wheel disc and the outer driven wheel disc becomes big, thereby causes the diameter of flower wheel and triangular driving band contact position to diminish.
As preferably, the described Power train of being located between flower wheel and the driven shaft is a centrifugal clutch, it comprises the centrifugal block that is connected with outer driven wheel disc, be located on the centrifugal block centrifugal, be connected in the clutch outer on the driven shaft, and described centrifugal can contact with clutch outer.An end of centrifugal is hinged on the centrifugal block, the other end is connected with centrifugal block by spring, when flower wheel reaches certain rotating speed, outwards open and contact for centrifugal with clutch outer, thereby the power on the flower wheel can be delivered on the clutch outer, and then be delivered on the driven shaft.
As preferably, described imput shaft is provided with adapter plate, and described drive spring one end withstands on the adapter plate, in the other end withstands on initiatively on the wheel disc.The adapter plate that is provided with can improve drive spring stability in the course of the work.
As preferably, described rolling body is a roller.This roller is when interior flower wheel disc radial outwards moves, and its excircle contacts with the medial surface of interior driven wheel disc, is the face contact between the two, helps improving both service life.
Therefore, beneficial effect of the present invention:
1, in this motor-cycle power drive mechanism, because the slope board and the rolling body of band tapering are not set on driving wheel, the variation of engine speed does not directly cause the vary in diameter of driving wheel and triangular driving band contact position, when motor bike when running at high speed, owing to be located at the effect of the rolling body cone structure on the flower wheel, make the diameter of flower wheel and triangular driving band touching position diminish, and the diameter of driving wheel and triangular driving band touching position becomes big, be at a high speed than transmission between driving wheel and the flower wheel, throttle need not opened very greatly, helps reducing oil consumption.Oil consumption becomes rational linear relationship with the moving velocity of motor bike, fuel economy is good.
2, when motor bike during in starting, load-carrying or climbing, because its moving velocity is slow, it is big that the diameter of flower wheel and triangular driving band touching position becomes, and the diameter of driving wheel and triangular driving band touching position diminishes, compare transmission for low speed between driving wheel and the flower wheel, output torque on the driving wheel is big, helps travelling smoothly of motor bike.
3, because motor bike can reasonably change the transmission speed ratio between driving wheel and the flower wheel in the process of moving automatically according to its travel conditions, reduce watt loss, reduced oil consumption, its usage economy height of motor bike.
Description of drawings
Fig. 1 is the structural representation sketch of motor-cycle power drive mechanism of the present invention.
The specific embodiment
By among Fig. 1 as can be seen, motor-cycle power drive mechanism of the present invention comprises the driving wheel be located on the imput shaft 7, be located at flower wheel on the driven shaft 20, be connected in the triangular driving band 8 on flower wheel and the driving wheel respectively.After this Power train was assembled on the motor bike, piston 1, bent axle 2 in imput shaft 7 and the driving engine linked.Driven shaft 20 generally links by change-gear set 21 and wheel 22.
Described driving wheel is a split-type structural, it mainly is connected in the outer driver dish 6 of imput shaft 7 outer ends and is socketed in interior active wheel disc 5 on the imput shaft 7 with gap, outer driver dish 6 is the conical surface with the opposite flank of interior active wheel disc 5, form a V-shaped groove between the two, described triangular driving band 8 is connected in this V-shaped groove.Be fixed with an adapter plate 3 in the inner of imput shaft 7, be socketed with a drive spring 4 on imput shaft 7, on the active wheel disc 6, the other end acted on the adapter plate 3 in an end of this drive spring 4 acted on.
Above-mentioned flower wheel also is a split-type structural, it is mainly by being socketed in the outer driven wheel disc 13 on the driven shaft 20, interior driven wheel disc 14, reaction plate with gap, its China and foreign countries' flower wheel dish 13 be positioned at driven shaft 20 the outer end and with its maintenance axial restraint, reaction plate be positioned at driven shaft 20 inner end and with its maintenance axial restraint, interior driven wheel disc 14 is between outer driven wheel disc 13 and reaction plate.Be socketed with a driven spring 15 on driven shaft 20, an end of this driven spring 15 acts on the reaction plate, and the other end acts on the interior driven wheel disc 14.The opposite flank of inside and outside driven wheel disc is the conical surface, forms a V-shaped groove between the two, and triangular driving band 8 is connected in this V-shaped groove.
Reaction plate is made of chassis 17 that interconnects and outslope plate 16, and reaction plate is an approximate osed top gyro-rotor, and an end of above-mentioned driven spring 15 acts on the outslope plate 16, and outslope plate 16 has certain tapering.Be provided with slope board 18 in reaction plate, slope board 18 is fixed together with interior driven wheel disc 14 in this.Described in slope board 18 have certain tapering, its with outslope plate 16 between be provided with the formation one annular wedge cavities 23, be provided with some rolling bodys 19 in the wedge cavities 23, this rolling body 19 can be ball, also can be roller, generally selects roller for use.Be formed with a radial slot corresponding to each rolling body 19 respectively on the slope board 18 in above-mentioned, rolling body 19 is positioned at this radial slot.
In order to realize that power is delivered on the driven shaft 20 from flower wheel, outside above-mentioned, be provided with a centrifugal clutch on the driven wheel disc 13, this power-transfer clutch comprises that clutch seat 12, an end that is connected with outer driven wheel disc 13 is hinged on the clutch block 10 on the clutch seat 12, and the other end of clutch block 10 is connected on the clutch seat 12 by clutch spring 11.Be fixed with clutch discs 9 in the outer end of driven shaft 20, flower wheel is when high speed rotating, the elastic force that clutch block 10 overcomes clutch spring 11 in the power-transfer clutch is outwards beaten, and can contact with the circular fold on the clutch discs 9, thereby realizes that power is from the driven transmission that takes turns between the driven shaft.
When motor bike starts, load-carrying, during climbing, general its speed of travelling is slower, correspondingly the rotating speed of flower wheel is not high, the suffered centnifugal force of roller 19 in the wedge cavities 23 is little, the pressure that interior driven wheel disc 14 is applied on the triangular driving band 8 is big, under the effect of V-shaped groove triangular driving band 8 along in, outer flower wheel disc radial is outwards creeped, it is big that the diameter of flower wheel and triangular driving band 8 touching positions becomes, again because the total length of triangular driving band 8 is unmodifieds, correspondingly triangular driving band 8 overcome drive spring 4 elastic force and in making, gap between the outer driver dish is strengthened, contact with triangular driving band 8 diameter at position of driving wheel is little, with low speed ratio carry out transmission between driving wheel and the flower wheel this moment, the output torque of driving wheel is big, is convenient to the smooth work of motor bike.When motor bike when running at high speed, its suffered resistance is little, the moment of torsion of driving wheel output does not need very big.When the flower wheel high speed revolution and since in 19 pairs of the rolling bodys slope board 18 become big along the application force of driven shaft 20 on axially, it is big that the gap between the inside and outside driven wheel disc becomes, the diameter of flower wheel and triangular driving band touching position diminishes.And in driving wheel, initiatively wheel disc 5 natural displacements in drive spring 4 compressing make the gap smaller between the inside and outside active wheel disc, and contact with triangular driving band 8 diameter at position of driving wheel becomes greatly.At this moment, between driving wheel and the flower wheel by at a high speed than carrying out transmission, the rotating speed of driving engine does not need very high, helps reducing oil consumption.Because motor bike is in the process of travelling, above-mentioned driving wheel, flower wheel, and triangular driving band between structural change, for drive spring 4 and driven spring 15, the elastic force in the elastic force in drive spring 4 acts on the active wheel disc 5 should act on less than driven spring 15 on the driven wheel disc 14.
Claims (4)
1. motor-cycle power drive mechanism, comprise the driving wheel that is connected on the imput shaft, be connected in flower wheel, triangular driving band on the driven shaft, described driving wheel comprises the outer driver dish (6) that is connected in imput shaft (7) outer end, is socketed in the interior active wheel disc (5) which is provided with drive spring (4) on the imput shaft (7) with gap; Described flower wheel gap is socketed on the driven shaft (20), structure is socketed in outer driven wheel disc (13) and the reaction plate on the driven shaft (20) with comprising axial restraint, be socketed in the interior driven wheel disc (14) on the driven shaft (20), interior driven wheel disc (14) is positioned between outer driven wheel disc (13) and the reaction plate, between reaction plate and interior driven wheel disc (13), be provided with driven spring (15), between reaction plate and interior driven wheel disc (14), be provided with rolling body conical surface exocentric structure, in this rolling body conical surface exocentric structure makes when high speed rotating between driven wheel disc (14) and the outer driven wheel disc (13) gap become big; Described triangular driving band (8) is connected in respectively in the V-shaped groove that forms between the V-shaped groove that forms between the inside and outside active wheel disc opposite flank and the inside and outside driven wheel disc opposite flank; Be provided with Power train between flower wheel and driven shaft (20), it is characterized in that, reaction plate is made of the chassis that interconnects (17) and outslope plate (16), and an end of above-mentioned driven spring (15) acts on the outslope plate (16); In reaction plate, be provided with slope board in (18), should be fixed together with interior driven wheel disc (14) by interior slope board (18), described rolling body conical surface exocentric structure comprises interior slope board (18), outslope plate (16), rolling body (19), constitute an annular wedge cavities (23) between interior slope board (18) and outslope (16), described rolling body (19) is positioned at this wedge cavities (23).
2. motor-cycle power drive mechanism according to claim 1, it is characterized in that, the described power transmission machine of being located between flower wheel and the driven shaft (20) is a centrifugal clutch, it comprises the centrifugal block (12) that is connected with outer driven wheel disc (13), be located at centrifugal (10) on the centrifugal block (12), be connected in the clutch outer (9) on the driven shaft (20), and described centrifugal (10) can contact with clutch outer (9).
3. motor-cycle power drive mechanism according to claim 1 is characterized in that, described imput shaft (7) is provided with adapter plate (3), and described drive spring (4) one ends withstand on the adapter plate (3), and the other end withstands on the interior initiatively wheel disc (5).
4. according to claim 1 or 2 or 3 described motor-cycle power drive mechanisms, it is characterized in that described rolling body (19) is a roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100506288A CN101070086B (en) | 2006-05-08 | 2006-05-08 | Motor-cycle power drive mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100506288A CN101070086B (en) | 2006-05-08 | 2006-05-08 | Motor-cycle power drive mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101070086A CN101070086A (en) | 2007-11-14 |
| CN101070086B true CN101070086B (en) | 2011-06-22 |
Family
ID=38897544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100506288A Expired - Fee Related CN101070086B (en) | 2006-05-08 | 2006-05-08 | Motor-cycle power drive mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101070086B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780150A (en) * | 2017-11-15 | 2019-05-21 | 苏州宝时得电动工具有限公司 | Electric tool |
| CN108706070B (en) * | 2018-05-16 | 2023-11-07 | 力帆实业(集团)股份有限公司 | Motorcycle with small gasoline engine |
| CN109226593B (en) * | 2018-08-16 | 2024-01-30 | 广东铭基高科电子股份有限公司 | Wire cutting machine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4427402A (en) * | 1980-04-10 | 1984-01-24 | Steyr-Daimler-Puch Aktiengesellschaft | Infinitely variable cone disk-wrapping vee belt drive for driving a motorcycle |
| EP1055596A1 (en) * | 1999-05-28 | 2000-11-29 | Bettella S.r.l. | Biasing spring bearing for driven pulley of automatic continuously-variable transmission |
| CN2511598Y (en) * | 2001-11-26 | 2002-09-18 | 安德斌 | Remote controlled stepless gear |
| CN2574984Y (en) * | 2002-09-25 | 2003-09-24 | 陈屋四 | Speed variator for bicycle |
| CN2621147Y (en) * | 2003-05-16 | 2004-06-23 | 李光华 | Spring speed variator |
| CN1693135A (en) * | 2005-01-30 | 2005-11-09 | 陈科澎 | Combined sliding driving disk for stepless variable speed motorcycle |
| CN2926030Y (en) * | 2006-05-08 | 2007-07-25 | 台州市路桥名达信电机五金配件厂 | Power transmission of motorcycle |
-
2006
- 2006-05-08 CN CN2006100506288A patent/CN101070086B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4427402A (en) * | 1980-04-10 | 1984-01-24 | Steyr-Daimler-Puch Aktiengesellschaft | Infinitely variable cone disk-wrapping vee belt drive for driving a motorcycle |
| EP1055596A1 (en) * | 1999-05-28 | 2000-11-29 | Bettella S.r.l. | Biasing spring bearing for driven pulley of automatic continuously-variable transmission |
| CN2511598Y (en) * | 2001-11-26 | 2002-09-18 | 安德斌 | Remote controlled stepless gear |
| CN2574984Y (en) * | 2002-09-25 | 2003-09-24 | 陈屋四 | Speed variator for bicycle |
| CN2621147Y (en) * | 2003-05-16 | 2004-06-23 | 李光华 | Spring speed variator |
| CN1693135A (en) * | 2005-01-30 | 2005-11-09 | 陈科澎 | Combined sliding driving disk for stepless variable speed motorcycle |
| CN2926030Y (en) * | 2006-05-08 | 2007-07-25 | 台州市路桥名达信电机五金配件厂 | Power transmission of motorcycle |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平4-357351A 1992.12.10 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101070086A (en) | 2007-11-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101070086B (en) | Motor-cycle power drive mechanism | |
| CN201407322Y (en) | Unidirectional clutch type stepless speed change device used for non-road motor vehicle | |
| CN2926030Y (en) | Power transmission of motorcycle | |
| CN101526126B (en) | Unidirectional clutch type stepless speed change device for off-road motor vehicles | |
| CN206000954U (en) | A kind of swinging rolling Wheel-type continuously variable transmission device | |
| CN2889885Y (en) | Petrol-saving device of pedal motorcycle with 125 ml displacement | |
| CN101260930A (en) | Infinite variable speed highly effective wheel | |
| CN201592761U (en) | Transmission gear-shift assembly of motorbike | |
| CN201487154U (en) | Novel continuously-variable unit | |
| CN202206246U (en) | Wheel hub motor for electric vehicle | |
| CN2260766Y (en) | Graduating device for axis chain-driving booster of bicycle | |
| CN2667241Y (en) | Jaw free wheel type differential mechanism | |
| CN2797773Y (en) | Limitless speed variator | |
| CN2895228Y (en) | Power transmission | |
| CN2765005Y (en) | Vehicle-mounted compound variable-speed gear | |
| CN201561104U (en) | Rocker arm stepless speed variator | |
| CN201149052Y (en) | Automatic clutch assembly for automobile | |
| CN101520082A (en) | Stepless change efficient wheel | |
| CN2803915Y (en) | Stelpless gear of bicycle | |
| CN2590773Y (en) | Supporting device for belt speed changing mechanism of vehicle | |
| CN2536838Y (en) | Stepless gear mechanism of motorcycle engine | |
| CN2628410Y (en) | Centrifugal friction driving mechanism for motorcycle | |
| CN201580523U (en) | Differential rear axle | |
| CN2931284Y (en) | Non-section variable speed system and wheel rim motor with the same | |
| CN208919227U (en) | A kind of slowing-down structure in wheel support assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20110622 Termination date: 20140508 |