CN100450340C - Lawn mower - Google Patents
Lawn mower Download PDFInfo
- Publication number
- CN100450340C CN100450340C CNB2004100784833A CN200410078483A CN100450340C CN 100450340 C CN100450340 C CN 100450340C CN B2004100784833 A CNB2004100784833 A CN B2004100784833A CN 200410078483 A CN200410078483 A CN 200410078483A CN 100450340 C CN100450340 C CN 100450340C
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- Prior art keywords
- flywheel
- brake
- starting
- starting flywheel
- away
- 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
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- 230000002093 peripheral effect Effects 0.000 claims abstract 5
- 239000002828 fuel tank Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 13
- 230000017525 heat dissipation Effects 0.000 abstract 2
- 230000000191 radiation effect Effects 0.000 description 10
- 239000004020 conductor Substances 0.000 description 9
- 230000009471 action Effects 0.000 description 7
- 208000019901 Anxiety disease Diseases 0.000 description 4
- 230000036506 anxiety Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 235000019506 cigar Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Harvester Elements (AREA)
- Braking Arrangements (AREA)
Abstract
The utility model provides a mower, contains one and drives the board, one sets up the oil tank device on this board of driving away, one sets up the drive arrangement on this board of driving away, one rotationally sets up the start flywheel between this drive arrangement and this oil tank device to and one sets up in the preceding arresting gear that draws of this start flywheel side, this drive arrangement has one and receives the power motor that this start flywheel drove, and one is located the other electric component group of this power motor, its characterized in that: the front brake device is located on a side of the start flywheel relatively far from the electric element group. The front-guiding brake device can swing in the same direction of the rotation direction of the starting flywheel and press the starting flywheel on the peripheral surface of the starting flywheel, so as to achieve excellent front-guiding brake effect; the front-leading braking device is far away from the electric element group, which is helpful to collect the heat dissipation airflow driven by the starting flywheel, improves the heat dissipation effect on the power motor and improves the operation safety.
Description
[technical field]
The invention relates to a kind of mower, be meant a kind of mower especially with great heat radiation effect and operational security.
[background technology]
Consulting Fig. 1 and Fig. 2, is that an one of mower 1 fuel tank 11, an engine 12, an electrical equipment group 13, start flywheel 14, and the spatial configuration signal of 15 of brake device.Wherein, this startup flywheel 14 and this brake device 15 are that the position is between this engine 12, this electrical equipment group 13 and fuel tank 11.This electrical equipment group 13 is as carburetor, oil pipe, cigar lighter, forms with member such as connected circuit.
This brake device 15 is arranged at this startup flywheel 14 relatively near on one of electrical equipment group 13 side, in order to the only rotation of this startup flywheel 14 of stopping.This brake device 15 comprise a holder 151,--brake arm 152, that end is hubbed at place, this startups flywheel 14 belows swingably is arranged at spring 154, the brake cable bar 155 that is connected with these brake arm 152 other ends that brake rubber block 153, two ends that this brake arm 152 faces these startup flywheel 14 side face places are individually fixed in this holder 151 and this brake arm 152, and a power switch 156 that an internal current can be conducted to this engine 12.
As shown in Figure 1, when when using mower 1, the driving handle (not shown) of this mower 1 of user's grip pressure, allow this brake cable bar 155 be tight state and when bestowing these brake arm 152 1 pulling force, this brake arm 152 can and be it toward this power switch 156 directions swing and treat fired state, and 154 on this spring is subjected to these brake arm 152 interlocks to be the stretcher strain state simultaneously.Because this power switch 156 is and treats fired state, and internal current can be conducted to this engine 12, cooperate rapid pull one backguy and make this startup flywheel 14 fast rotational, and driven this engine 12 starts, give the power that 13 starts of electrical equipment group and cutting operation carry out to produce supply.
As shown in Figure 2, on the contrary, when desiring to stop using this mower 1, the user then unclasps this driving handle, make this brake cable bar 155 no longer stressed and be loose free state, at this moment, originally be the stretcher strain state and accumulate the spring 154 that anti-deformation elastic-restoring force is arranged, then revert back to unstretched condition and bestow this brake arm 152 1 pulling force, order about this brake arm 152 along the swing of this startup flywheel 14 rotation directions and away from this power switch 156, this power switch 156 promptly is flameout state and stops to transmit internal current and give this engine 12; Simultaneously, this brake rubber block 153 can friction, suppress these startups flywheel 14 side faces and produce to rub and touch braking action, allows these startup flywheel 14 rotating speeds ease up and until stopping operating, this engine 12 also stops working and stops start.
But this brake device 15 has following point in configuration and use:
1, make radiating airflow produce the flow-disturbing phenomenon, influence the heat radiation effect of engine 12 and electrical equipment group 13:
When starting flywheel 14 and rotate rapidly, by engine 12, start flywheel 14 and 11 formed return passages of fuel tank, driven a radiating airflow and auxiliary loosing removed high hot that engine 12 and electrical equipment group 13 in the running produced.If if institute's radiating airflow that produces is for clockwise mobile, because this brake device 15 is that the position is on this radiating airflow flow path, and contiguous electrical equipment group 13, cause radiating airflow promptly to be subjected to brake device 15 obstructions and to produce the flow-disturbing phenomenon in the side before with engine 12 in flowing to electrical equipment group 13, effective diffusion zone of radiating airflow obviously reduces, and shows to have can't reach for the anxiety of engine 12 with the set heat radiation effect of electrical equipment group 13.
2, install the design of collection wind additional, lack to remedy the disturbed dispersion of radiating airflow, and mower 1 equipment cost is increased:
Therefore, hinder the smooth and easy mobile disappearance of radiating airflow for remedying, improve above-mentioned brake device 15, except increasing these holder 151 length, this mower 1 further has an air gathering plate seat 16 that is installed in these startup flywheel 14 opposite side places, attempt compiles radiating airflow by holder 151 and air gathering plate seat 16, improves that radiating airflow produces the flow-disturbing phenomenon and the phenomenon of disperseing.Nonetheless, this brake device 15 still hinders in engine 12 and electrical equipment group 13 square before, radiating airflow can't be swept flow through engine 12 and electrical equipment group 13 smoothly, can't reach the good heat radiating effect equally, simultaneously, installing additional of air gathering plate seat 16 can increase the integral device cost, and has cost not apply the anxiety of benefit.
3, too contiguous this electrical equipment group 13 of this brake device 15 exists and uses unsafe factor:
On the other hand, this brake device 15 quite is adjacent to electrical equipment group 13, it is comparatively crowded that configured in one piece seems, each parts can produce between start and influence each other more greatly, even produce to disturb, particularly produce mill and touch to stop and only do the time spent in 15 pairs of startup flywheels of this brake device 14, the time have friction to produce the phenomenon of sparklet, and outwards the fragmentary sparklet of splash promptly may to arround be close to electrical equipment group 13 and cause job safety hidden danger, so whole safety in utilization causes anxiety.
[summary of the invention]
Therefore, the purpose of this invention is to provide a kind of have good braking force and heat radiation effect, and mower safe to use.
So, a kind of mower of the present invention, comprise and drive away board, one is arranged at this drives away tank mounting on the board, one is arranged at this drives away drive unit on the board, one is arranged at the startup flywheel between this drive unit and this tank mounting rotationally, and one be arranged at this startup flywheel side before draw brake device, this drive unit has a power motor that driven by this startup flywheel, and one be positioned at the other electrical equipment group of this power motor, it is characterized in that: draw brake device before this and be the position at this startup flywheel relatively on the side away from this electrical equipment group.
Described mower, it is characterized in that, should before draw brake device and comprise a fixed mount that is fixedly set in by this startups flywheel, one is arranged on this fixed mount and the electric-conductor that is connected with this starter, one is articulated in the other and brake arm swung of this fixed mount relatively of this startup flywheel, one connects this brake arm so that its permanent spring toward this normal danger swing, and the brake cable group of this brake arm of pushing tow, this brake arm is away from this fixed mount and suppress on this startup flywheel side face and make this electric-conductor be flameout state or away from this startup flywheel side face and near this fixed mount, and this electric-conductor of contact and it is treat fired state.
Described mower, it is characterized in that, should before draw brake device brake arm have one below this startups flywheel, locate and with the fulcrum end of this fixed mount one end pivot joint, and one stretch out from this fulcrum end and to be arranged at the swinging end of this startup flywheel side, this swinging end has a friction end, and the pushing tow end in contrast to this friction end, this friction end is suppressed on this startups flywheel side face or is leaned on past this fixed mount away from this startup flywheel side face.By this this normal danger of ignition location migration the time, the direction swing that the swinging end of this brake arm turns to identical this startup flywheel, cause this friction end to be rubbed and touch, suppress on this startup flywheel side face, in by this this ignition location of normal danger migration the time, the pushing tow end of this this brake arm of outside line pushing tow causes this friction end to be leaned on toward this fixed mount away from this startup flywheel side face.
Described mower, it is characterized in that, this brake cable group has an one end, an and outside line that is sheathed on slidably outside these interior lines, when this brake arm was positioned at this ignition location, these interior lines were tight state, forced this outside line to bestow its this jacking force, when this brake arm was positioned at this normal danger, this inside and outside line all was the state of unclasping.
Effect of the present invention be utilize should before draw brake device and can swing toward the direction that identical this startups flywheel turns to, and rub to press and be formed on the startup flywheel side face, and bestow this startup flywheel splendid before draw brake force, bring into play splendid braking effect.Again on position configuration, draw brake device away from the electrical equipment group before being somebody's turn to do, decapacitation helps to give and compiles the radiating airflow that this startup flywheel is driven, and promotes the smooth degree that flows of radiating airflow, enhancement can be promoted the overall operation safety simultaneously for the heat radiation effect of power motor and electrical equipment group.
[description of drawings]
Fig. 1 is a schematic diagram, illustrates that one of known mower brake device is to be installed in one to start by one of the contiguous electrical equipment group of the flywheel side, and this brake device is bestowed this startup flywheel one and rubbed and touch braking action;
Fig. 2 is a schematic diagram, illustrates that this brake device of this known mower starts flywheel away from this, starts flywheel and is continued to rotate;
Fig. 3 is a stereo appearance figure, illustrates that one of one of mower of the present invention preferred embodiment drives handle, and drives away board, a tank mounting, a drive unit, and start the configuration relation that draws brake device before the flywheel and;
Fig. 4 is a schematic diagram, illustrates to draw a brake arm position of brake device in a normal danger before this preferred embodiment; And
Fig. 5 is a schematic diagram, and the fiery on one point position, this brake arm position of this preferred embodiment is described.
[embodiment]
About addressing other technologies content, characteristics and effect before the present invention, in the following detailed description that cooperates with reference to one of a graphic preferred embodiment, can clearly present.
Consult Fig. 3 and Fig. 4, this preferred embodiment for mower 2 of the present invention, comprise one and drive handle 21, and drive away board 22, and be arranged at this and drive away on the board 22 and the tank mounting 23, that takes up a fluid (not shown) is arranged at this and drives away the startup flywheel 25 that drive unit 24, on the board 22 is arranged at 23 of this drive unit 24 and this tank mountings rotationally, and one be arranged at these startup flywheel 25 sides before draw brake device 26.This drive unit 24 has a power motor 241 that driven by this startup flywheel 25, and one is positioned at the other electrical equipment group 242 of this power motor 241.Wherein, this power motor 241 is engine, sees through the fluid of this tank mounting 23 and the synchronous supply of an internal current, cooperates the driving mechanism of this startup flywheel 25, this power motor 241 is able to start and produces a power, in order to drive this electrical equipment group 242 and other parts running starts.
Consult Fig. 4 and Fig. 5, drawing brake device 26 before being somebody's turn to do is that the position is on these startup flywheel 25 relative sides away from 242 groups of this electrical equipment groups, and comprising one, to be fixedly set in this startup flywheel 25 other and locally protrude into the fixed mounts 261 that these startups flywheel 25 bottom surfaces are located, one is arranged on this fixed mount 261 and the electric-conductor 262 that is connected with this power motor 241, one by one end articulate with this fixed mount 261 and relative its a fiery on one point position of energy and a normal danger between the brake arm 263 swung, one bestows these brake arm 263 1 pulling force so that its permanent spring 264 toward this normal danger swing, and one bestows this brake arm 263 1 and is in reverse to the jacking force of this pulling force so that its permanent brake cable group 265 toward this ignition location.Wherein, whether this electric-conductor 262 conducts to this power motor 241 in order to this internal current.
This brake arm 263 has a support end 266 of locating and articulating with this fixed mount 261 1 ends below this startup flywheel 25, and one stretches out from this support end 266 and to be provided with and to appear the swinging end 267 of status at these startup flywheel 25 sides.This swinging end 267 has a friction end 268 in the face of these startup flywheel 25 side faces, and a pushing tow end 269 in contrast to this friction end 268.
The start of this brake cable group 265 is these driving handles 21 that are controlled by as shown in Figure 3, and has interior lines 2651, and an outside line 2652 that is sheathed on slidably outside these interior lines 2651.These 2651 two ends, interior lines are to be individually fixed in this fixed mount 261 one of to expose on end and this driving handle 21.These outside line 2652 two ends are that perseverance is touched with these driving handle 21 subsides with the pushing tow end 269 of this brake arm 263 respectively.
In this normal danger when (as shown in Figure 4), within the brake cable group 265, outside line 2651,2652 all is the state of unclasping, this spring 264 is replied and is unstretched condition, cause this brake arm 263 away from this fixed mount 261 and suppress on these startup flywheel 25 side faces, and make this electric-conductor 262 be flameout state (being that internal current can't be passed to this power motor 241).In this ignition location when (as shown in Figure 5), line 2651 is tight state within this brake cable group 265, force this outside line 2652 to bestow this brake arm 263 thrusting actions, this brake arm 263 starts flywheel 25 side faces away from this and near this fixed mount 261, and this electric-conductor 262 of contact and it is treat fired state (being that internal current can be passed to this power motor 241); This spring 264 is subjected to these brake arm 263 interlocks and is extended state simultaneously.
Use mower 2 when carrying out cutting operation in desire, the user continues grip pressure earlier should drive handle 21, allowed line 2651 is tensioned state within this brake cable group 265, and forced this outside line 2652 to be subjected to pushing tow and slippage.At this moment, when these outside line 2652 slippages, can bestow swinging end 267 thrusting actions of this brake arm 263, cause this brake arm 263 to swing toward this ignition location away from this startup flywheel 25, and push against this electric-conductor 262 and it is and treat fired state, internal current is passed to this power motor 241; Simultaneously, 264 on this spring produces tensile deformation passively, and accumulates an anti-deformation effect power.At this moment, the user promptly orders about this startup flywheel 25 fast rotational rapidly, this power motor 241 is driven and is produced power, the power that is produced gives this electrical equipment group 242 and other parts with the running start with supply, and the user just can order about this mower 2 smoothly and advance start to carry out cutting operation.
On the contrary, when desiring to stop using this mower 2, the user then unclasps this driving handle 21, allows within this brake cable group 265 line 2651 do not pullled and is lax free state, together with ground, this outside line 2652 is not subjected to pushing tow and stops to bestow this brake arm 263 thrusting actions.At this moment, 264 on the spring that originally is the stretcher strain state discharges the anti-deformation effect power of being accumulated, this spring 264 is tending towards answer and is unstretched state, then bestow the reverse tension of this brake arm 263, past this normal danger of direction pendulum that causes this brake arm 263 to turn to identical this startup flywheel 25 away from this fixed mount 261, and making this electric-conductor 262 be flameout state, internal current stops to be passed to this power motor 241; And, the friction end 268 of this brake arm 263 continues to rub and touches, suppresses on these startup flywheel 25 side faces, and braking action is before drawn in these startup flywheel 25 generations effectively, this startup flywheel 25 is stopped operating, start under the driving situation of flywheel 25 in outage and forfeiture, this power motor 241 also shuts down and no longer produces power.
And this mower 2 can be brought into play following advantage really on using:
1. brake force is good:
Be subjected to the tension of this spring 264 and swing when this normal danger in this brake arm 263, the swaying direction of this brake arm 263 is identical with the rotation direction of this startup flywheel 25, cause this brake arm 263 to provide to give this startup flywheel 25 powerful before draw formula (Leading) braking action, integral stop power is good, end stop, allow retardation efficiency obviously promote and this startup flywheel 25 can be stopped rapidly in the short time.
2. can compile radiating airflow to help its smooth and easy flowing, effectively promote the heat radiation effect of power motor 241 and electrical equipment group 242:
Utilize power motor 241, start the space loop of flywheel 25 and formation that tank mounting 23 cooperates, this startup flywheel 25 can drive a radiating airflow when rapid rotation.If if be positioned at start flywheel 25 away from electrical equipment group 242 1 side places should before draw brake device 26 and be the flow path starting point of this radiating airflow, electrical equipment group 242 (for example: carburetor, cigar lighter, oil pipe, electric wire ... etc.) with the relative flow path terminal point that can be considered this radiating airflow of allocation position of power motor 241.Therefore, this radiating airflow can smooth and easyly not brush through this electrical equipment group 242 and power motor 241 places in the diffuses flow process with hindering, reaches the heat radiation effect effectively; Simultaneously, the fixed mount 261 that draws brake device 26 before this can further produce radiating airflow and compile effect, helps to stablize, promotes the radiating airflow flow, reached the heat radiation effect by to be allowed institute and promotes more.Be positioned at one of these startup flywheel 14 contiguous electrical equipment groups 13 side place so can obviously improve brake device 15 (see figure 1)s of known mower 1, hinder the mobile and generation flow-disturbing phenomenon of radiating airflow, cause for engine 12 not good this problem of heat radiation effect with electrical equipment group 13.
3. mower 2 equipment costs are lower:
Continue as described above, because drawing the position that is provided with of brake device 26 before being somebody's turn to do does not hinder in radiating airflow mobile, cooperate this fixed mount 261 eolian effect of collection of tool in addition, impel radiating airflow can stablize, flow to swimmingly power motor 241 and this electrical equipment group 242, and can reach the good heat radiating effect, needn't expend equipment cost in addition to set up air gathering plate seat 16 as known mower 1, mower 2 equipment costs are relatively low.
4. safety in utilization is higher:
Be arranged at this startup flywheel 25 away from one of this electrical equipment group 242 side place owing to draw brake device 26 before being somebody's turn to do, even if in mill touches, stops the process of ending this startup flywheel 25, produce fragmentary spark, can effectively suppress the spark splash causes operation danger to electrical equipment group 242 situation generation, relatively greatly promote whole safety in utilization, the brake device 15 that improves known mower 1 is arranged at this startup flywheel 14 near one of electrical equipment groups 13 side place, operational security this problem that causes anxiety.
Conclude above-mentioned, the present invention's mower 2, the direction of utilizing this energy to turn to toward identical this startups flywheel 25 is swung, and rubs to press and be formed on startup flywheel 25 side faces, and bestow this startup flywheel 25 splendid before draw brake force, bring into play splendid braking effect.The brake arm 263 that draws brake device 26 before the utilization is in being the rotation direction that is same as this startup flywheel 25 by this ignition location toward the direction of this normal danger swing, and can bestow the splendid brake force of this startup flywheel 25, allows integral body reach splendid braking effect; Utilize again should before draw 26 of brake device at this startup flywheel 25 away from this position advantage of one of electrical equipment group 242 side, promote compiling and mobile smooth degree of radiating airflow, enhancement is for the heat radiation effect of power motor 241 with electrical equipment group 242, simultaneously can promote the overall operation safety, so can reach the present invention's purpose really.
Only the above only is the present invention's preferred embodiment, when not limiting protection scope of the present invention with this, promptly changes and modification according to the simple equivalent that the present invention did generally, all must belong in the protection domain of the present invention.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100784833A CN100450340C (en) | 2004-09-09 | 2004-09-09 | Lawn mower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100784833A CN100450340C (en) | 2004-09-09 | 2004-09-09 | Lawn mower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1745615A CN1745615A (en) | 2006-03-15 |
| CN100450340C true CN100450340C (en) | 2009-01-14 |
Family
ID=36165464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100784833A Expired - Fee Related CN100450340C (en) | 2004-09-09 | 2004-09-09 | Lawn mower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100450340C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156521A (en) * | 2015-09-28 | 2015-12-16 | 镇江华立煤质制样设备有限公司 | Brake device of grass trimming vehicle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4419857A (en) * | 1981-08-07 | 1983-12-13 | Outboard Marine Corporation | Lawn mower with combined engine brake and ignition control |
| US4531487A (en) * | 1984-01-04 | 1985-07-30 | Kawasaki Jukogyo Kabushiki Kaisha | Engine stopping device |
| JPS6427411A (en) * | 1987-07-23 | 1989-01-30 | Kubota Ltd | Weed collecting bag for lawn mower |
| US5224448A (en) * | 1992-05-04 | 1993-07-06 | Tecumseh Products Company | Ignition brake for an internal combustion engine |
| JPH0870667A (en) * | 1994-09-05 | 1996-03-19 | Iseki & Co Ltd | Walk-behind lawn mower |
| JPH08172846A (en) * | 1994-12-27 | 1996-07-09 | Honda Motor Co Ltd | Braking device for engine |
-
2004
- 2004-09-09 CN CNB2004100784833A patent/CN100450340C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4419857A (en) * | 1981-08-07 | 1983-12-13 | Outboard Marine Corporation | Lawn mower with combined engine brake and ignition control |
| US4531487A (en) * | 1984-01-04 | 1985-07-30 | Kawasaki Jukogyo Kabushiki Kaisha | Engine stopping device |
| JPS6427411A (en) * | 1987-07-23 | 1989-01-30 | Kubota Ltd | Weed collecting bag for lawn mower |
| US5224448A (en) * | 1992-05-04 | 1993-07-06 | Tecumseh Products Company | Ignition brake for an internal combustion engine |
| JPH0870667A (en) * | 1994-09-05 | 1996-03-19 | Iseki & Co Ltd | Walk-behind lawn mower |
| JPH08172846A (en) * | 1994-12-27 | 1996-07-09 | Honda Motor Co Ltd | Braking device for engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1745615A (en) | 2006-03-15 |
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| 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: 20090114 Termination date: 20110909 |