CN208074109U - A kind of grass trimmer belt pulley automatic stretching structure - Google Patents
A kind of grass trimmer belt pulley automatic stretching structure Download PDFInfo
- Publication number
- CN208074109U CN208074109U CN201820114975.0U CN201820114975U CN208074109U CN 208074109 U CN208074109 U CN 208074109U CN 201820114975 U CN201820114975 U CN 201820114975U CN 208074109 U CN208074109 U CN 208074109U
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- hood
- belt
- tensioning
- wheel
- grass trimmer
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- 244000025254 Cannabis sativa Species 0.000 title claims abstract description 30
- 230000000712 assembly Effects 0.000 claims abstract description 29
- 238000000429 assembly Methods 0.000 claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 244000144985 peep Species 0.000 claims description 8
- 230000000452 restraining effect Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 230000002262 irrigation Effects 0.000 abstract 1
- 238000003973 irrigation Methods 0.000 abstract 1
- 238000009966 trimming Methods 0.000 abstract 1
- 230000009471 action Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000009333 weeding Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 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
- 230000008450 motivation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
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Abstract
The utility model discloses a kind of grass trimmer belt pulley automatic stretching structures, belong to farm equipment field, it is intended to provide a kind of without adjusting the grass trimmer belt pulley automatic stretching structure that belt auto-tensioning can be realized in multiple components, its drip irrigation device is as follows, it includes the pulley assemblies for being located at hood side wall, the hood upper surface is equipped with gear-box, the gear-box is equipped with transmission shaft, the side lower part that the hood is located at pulley assemblies is equipped with cutter shaft, the pulley assemblies include driving wheel, driven wheel and belt, the driving wheel is fixedly and coaxially connected with transmission shaft, the driven wheel is fixedly and coaxially connected with cutter shaft, the driving wheel is connected with driven wheel by belt transmission, it is characterized in that：The side that the hood is located at pulley assemblies is equipped with tensioning wheel, and the tensioning wheel is located on the outside of belt and is contradicted with belt, and the hood is located at the side of pulley assemblies equipped with the adjusting part for adjusting tensioning wheel.The utility model is suitable for the trimming on lawn and vegetation.
Description
Technical field
The utility model is related to a kind of grass trimmer, more particularly to a kind of grass trimmer belt pulley automatic stretching structure.
Background technology
Grass trimmer be it is a kind of for cutting the grass on a lawn, the machine tool of vegetation etc., mainly by cutterhead, engine, traveling wheel, row
Walk mechanism, blade and control section composition.Grass trimmer is widely used in road surface, farm, and the weedings field such as gardens passes through hair
Motivation provides power and is trimmed automatically to lawn, vegetation, reduces the activity duration of weeding worker, has saved a large amount of manpower
Resource.
Belt has elasticity, can mitigate shock and vibration, and the smooth running in transmission, noise is relatively low, therefore, big at present
The transmission of part grass trimmer is mainly V belt translation mode, and during grass trimmer is used for a long time, belt can gradually extend, and need
Belt is adjusted, the efficiency of transmission of belt otherwise can be reduced.
Notification number is that the Chinese patent of CN201709146U discloses a kind of tension structure of mowing-drive, it is wrapped
The bonnet body for being equipped with cutter shaft is included, and the gear-box being arranged on bonnet body, installation gear-box is provided on the bonnet body
Gear block, gear block includes the first mounting base being arranged in gear-box side, and is arranged in the gear-box other side
Second mounting base is both provided with adjustment hole in first mounting base, the second mounting base.
Although the tensioning and loosening of transmission belt or transmission chain may be implemented in the tension structure of this mowing-drive, but
It is above-mentioned strainer by the way that adjustment hole is arranged in the first mounting base and the second mounting base, passes through bolt adjustment gear block
Highly, to adjust driving pulley height, due to need to multiple components such as gear block, power output shaft and driving wheel into
Row is adjusted, and operation is inconvenient.
Utility model content
The purpose of this utility model is to provide a kind of grass trimmer belt pulley automatic stretching structure, has without adjusting multiple portions
The advantages of belt auto-tensioning can be realized in part.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of grass trimmer belt pulley automatic stretching structure, including the pulley assemblies of hood side wall are located at, the hood upper end
Face is equipped with gear-box, and transmission shaft is equipped in the middle part of the gear-box, and the side lower part that the hood is located at pulley assemblies is equipped with knife
Axis, the pulley assemblies include driving wheel, driven wheel and belt, and the driving wheel is fixedly and coaxially connected with transmission shaft, it is described from
Driving wheel is fixedly and coaxially connected with cutter shaft, and the driving wheel is connected with driven wheel by belt transmission, and the hood is located at belt wheel group
The side of part is equipped with tensioning wheel, and the tensioning wheel is located on the outside of belt and is contradicted with belt, and the hood is located at pulley assemblies
Side is equipped with the adjusting part for adjusting tensioning wheel；
The adjusting part includes tensioning plate, adjusting bolt, tensioning tension spring and runing rest, and the tensioning wheel is by turning
The axis both sides rotation connection opposite with runing rest, lower end and the hood of the runing rest are rotatablely connected, the runing rest
Upper end be located at its opposite both sides and be fixedly connected with spring pull rod；
The tensioning plate is fixedly connected with hood, and the adjusting bolt is arranged in the middle part of tensioning plate, in the adjusting bolt
It is threaded with the first nut and the second nut, first nut and the second nut are located at the both sides of tensioning plate；
The one end of the adjusting bolt far from driven wheel is equipped with shackle, the axis direction of the shackle and the axis of adjusting bolt
Line direction is vertical；
Described tensioning tension spring one end is fixedly connected with spring pull rod, and the other end is fixedly connected with shackle.
By using above-mentioned technical proposal, driving wheel is rotated under the action of transmission shaft, in the gearing of belt
Under, driven wheel is rotated as driving wheel rotates, and driven wheel rotation band movable arbor rotates, and the blade on cutter shaft is to vegetation and lawn
It is cut.During grass trimmer is used for a long time, belt can gradually extend, and need to be tensioned belt.External tool
So that adjusting bolt is remained stationary as, rotates the first nut, adjusting bolt is made to move down, under the action of being tensioned tension spring, rotation branch
Frame rotates around the axis, and so that tensioning wheel is moved to close to the direction of belt, is tensioned to belt, regulates the position of tensioning wheel
Afterwards, the second nut is tightened, the first nut and the second nut is made to be clamped on tensioning plate, to realize the fixation of adjusting bolt.By
The first nut of adjusting need to be only rotated in whole process and the adjusting of tensioning wheel can be realized in the second nut, so that operation is more
It is convenient.
Further, the upper end of the runing rest opens up jagged, and the notch is located at the opposite both sides of runing rest；
The spring pull rod is embedded in notch, and the both sides that the both ends of the spring pull rod are opposite with runing rest pass through lock
Tight nut is fixedly connected.
By using above-mentioned technical proposal, the setting of notch can facilitate the installation and replacement of spring pull rod, simplify peace
Dress and the operating process replaced, improve production efficiency.
Further, be recessed inwardly restraining position ring block slot in the middle part of the spring pull rod.
By using above-mentioned technical proposal, tensioning tension spring is located at the middle part of spring pull rod, keeps tensioning tension spring stress more equal
It is even and be not susceptible to deform, extend the service life of tensioning tension spring.The setting of limited ring groove makes tensioning tension spring be not easy to draw along spring
Bar it is axially displaced.
Further, the shaft has been fixedly and coaxially connected ratchet, and the side rotation that the hood is located at pulley assemblies connects
It is connected to the pawl being adapted to ratchet, the pawl is contradicted with ratchet.
By using above-mentioned technical proposal, when being tensioned tension spring failure, tensioning tension spring disappears to the pulling force of runing rest, rotation
Turning holder can rotate under the effect of gravity to the direction far from belt, and tensioning wheel loses tension, the unexpected relaxation meeting of belt
Grass trimmer normal work is influenced, when being tensioned tension spring failure, pawl can be stuck by ratchet, and shaft is made to be not susceptible to invert, tensioning
Wheel can continue to be tensioned belt in original position, not interfere with the normal work of grass trimmer.
Further, non-return spring is equipped with above the pawl, one end of the non-return spring connects with fixed on the upside of pawl
It connects, the other end is fixedly connected with mounting plate, and the side that the mounting plate is located at pulley assemblies with hood is fixedly connected.
By using above-mentioned technical proposal, non-return spring is in compressive state always, using the return action of non-return spring,
Apply downward pressure to pawl, pawl is made to press tighter with ratchet, to make ratchet be not susceptible to invert.
Further, the hood is located at the sides of pulley assemblies and is equipped with the cover, and the cover and hood are solid by bolt
Fixed connection.
By using above-mentioned technical proposal, the setting of the cover makes dust or impurity be not easily accessible in pulley assemblies, is not easy pair
Pulley assemblies and tensioning wheel impact, and extend the service life of pulley assemblies and tensioning wheel.
Further, the vertically opposite both sides of the cover are respectively equipped with the heat emission hole of waist type.
By using above-mentioned technical proposal, during belt high-speed drive, belt can and driving wheel, driven wheel and
It rubs between tensioning wheel, generates a large amount of heat, heat emission hole can be such that heat distributes outward in time, and belt is made to be not easy always
Change, extends the service life of belt.
Further, side of the cover far from hood is equipped with peep hole.
By using above-mentioned technical proposal, peep hole can see the service condition of the pulley assemblies in the cover
It examines, facilitates staff that can adjust or repair in time；In addition, peep hole can also play the role of heat dissipation.
In conclusion the utility model has the advantages that：
1. tensioning wheel and adjusting part are used, to produce for being not necessarily to adjust multiple components and belt can be realized
Tightly, more convenient effect is operated；
2. limited ring groove is used, to produce the axially displaced effect for making tensioning tension spring be not easy along spring pull rod
Fruit.
Description of the drawings
Fig. 1 is in embodiment 1 for embodying the signal of the connection relation between driving wheel, driven wheel, belt and tensioning wheel
Figure；
Fig. 2 is the enlarged drawing in the portions A in Fig. 1；
Fig. 3 is the structural schematic diagram for embodying the cover, heat emission hole and peep hole in embodiment 1；
Fig. 4 is in embodiment 2 for embodying the connection relationship diagram between ratchet and pawl.
In figure, 1, hood；11, gear-box；111, transmission shaft；12, cutter shaft；2, pulley assemblies；21, driving wheel；22, driven
Wheel；23, belt；3, tensioning wheel；31, shaft；4, adjusting part；41, tensioning plate；42, adjusting bolt；421, the first nut；
422, the second nut；423, shackle；43, it is tensioned tension spring；44, runing rest；441, notch；45, spring pull rod；451, locking screw
It is female；452, limited ring groove；5, ratchet；51, pawl；52, non-return spring；521, mounting plate；6, the cover；61, heat emission hole；62, it sees
Examine hole.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
Wherein identical parts are presented with like reference characters.It should be noted that word used in the following description
Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and
"outside" refers respectively to the direction towards or away from geometric center of specific component.
Embodiment 1：A kind of grass trimmer belt pulley automatic stretching structure, as shown in Figure 1, the band including being located at 1 side wall of hood
Wheel assembly 2,1 upper surface of hood are equipped with gear-box 11, and gear-box 11 is equipped with transmission shaft 111.Pulley assemblies 2 include driving wheel
21, driven wheel 22 and belt 23, driving wheel 21 are fixedly and coaxially connected with transmission shaft 111.Hood 1 is located at the side of pulley assemblies 2
Equipped with cutter shaft 12, driven wheel 22 is fixedly and coaxially connected with cutter shaft 12, and driving wheel 21 and driven wheel 22 are sequentially connected by belt 23.
As shown in Fig. 2, during grass trimmer is used for a long time, belt 23 can gradually extend, and need to carry out belt 23
Tensioning.Therefore, hood 1 is located at the side of driving wheel 21 and is equipped with tensioning wheel 3, tensioning wheel 3 be located on the outside of belt 23 and with belt 23
It contradicts.Hood 1 is located at the side of pulley assemblies 2 equipped with the adjusting part 4 for adjusting tensioning wheel 3.Adjusting part 4 includes tensioning
Plate 41, adjusting bolt 42, tensioning tension spring 43 and runing rest 44, tensioning wheel 3 pass through shaft 31（Referring to Fig. 1）With runing rest
44 opposite both sides rotation connections, lower end and the hood 1 of runing rest 44 are rotatablely connected, and the upper end of runing rest 44 is located at its phase
To both sides be fixedly connected with spring pull rod 45.Tensioning plate 41 is fixedly connected with hood 1, and adjusting bolt 42 is arranged in tensioning plate 41
Middle part is threaded with the first nut 421 and the second nut 422, the first nut 421 and the second nut 422 in adjusting bolt 42
It is located at the both sides of tensioning plate 41.The one end of adjusting bolt 42 far from driven wheel 22 is equipped with shackle 423, the axis of shackle 423
Direction is vertical with the axis direction of adjusting bolt 42.43 one end of tensioning tension spring is fixedly connected with spring pull rod 45, the other end and hook
Ring 423 is fixedly connected.The first nut 421 of adjusting need to only be rotated and the adjusting of tensioning wheel 3, operation can be realized in the second nut 422
It is convenient.
As shown in Fig. 2, the installation and replacement of spring pull rod 45, the operating process of simplified installation and replacement carry for convenience
High efficiency.Therefore, jagged 441 are opened up in the upper end of runing rest 44, notch 441 is located at opposite two of runing rest 44
Side, spring pull rod 45 are embedded in notch 441, and the both sides that the both ends of spring pull rod 45 are opposite with runing rest 44 pass through locking screw
Mother 451 is fixedly connected.By the adjusting of locking nut 451, the dismounting of spring pull rod 45 can be realized, it is easy to operate.
The restraining position ring block slot 452 as shown in Fig. 2, 45 middle part of spring pull rod is recessed inwardly.Tensioning tension spring 43 is located at spring pull rod
45 middle part makes tensioning tension spring 43 be more uniformly stressed.The setting of limited ring groove 452 makes tensioning tension spring 43 be not easy along spring pull rod
45 it is axially displaced.
As shown in figure 3, hood 1 is located at pulley assemblies 2（Referring to Fig. 1）Side be equipped with for preventing dust and impurity from entering
The cover 6, the cover 6 is bolted to connection with hood 1.
As shown in figures 1 and 3, during 23 high-speed drive of belt, belt 23 can and driving wheel 21, driven wheel 22 with
And rub between tensioning wheel 3, generate a large amount of heat.Therefore, it is respectively equipped in the vertically opposite both sides of the cover 6
The heat emission hole 61 of waist type, heat emission hole 61 can be such that heat distributes outward in time, keep belt 23 non-aging, extend belt 23
Service life.
As shown in figure 3, side of the cover 6 far from hood 1 is equipped with peep hole 62, peep hole 62 can be to being located in the cover 6
Pulley assemblies 2（Referring to Fig. 1）Service condition observed, facilitate staff that can adjust or repair in time；Separately
Outside, peep hole 62 can also play the role of heat dissipation.
Specific implementation process：
Start grass trimmer, gear-box 11 drives transmission shaft 111 to rotate, and driving wheel 21 carries out under the action of transmission shaft 111
Rotation, under the gearing of belt 23, driven wheel 22 is rotated as driving wheel 21 rotates, the rotation band movable arbor of driven wheel 22
12 rotations, the rotation of cutter shaft 12 drive blade rotation, the blade of rotation to trim lawn and vegetation.
External tool makes adjusting bolt 42 remain stationary as, and rotates the first nut 421, adjusting bolt 42 is made to move down,
It is tensioned under the action of tension spring 43,31 rotation around the shaft of runing rest 44 makes tensioning wheel 3 be moved to close to the direction of belt 23, right
Belt 23 is tensioned, and behind the position for regulating tensioning wheel 3, is tightened the second nut 422, is made the first nut 421 and the second nut
422 are clamped on tensioning plate 41, to realize the fixation of adjusting bolt 42.
Embodiment 2：A kind of grass trimmer belt pulley automatic stretching structure, difference from example 1 is that, such as Fig. 4 institutes
Show, when being tensioned the failure of tension spring 43, tensioning tension spring 43 disappears to the pulling force of runing rest 44, and runing rest 44 is under the effect of gravity
It can be rotated to the direction far from belt 23, tensioning wheel 3 lose tension, and it is normal that the unexpected relaxation of belt 23 can influence grass trimmer
Work.Therefore, shaft 31 has been fixedly and coaxially connected ratchet 5, and the side rotation connection that hood 1 is located at driving wheel 21 is useful for clamping
The pawl 51 of ratchet 5, pawl 51 are contradicted with ratchet 5.When being tensioned the failure of tension spring 43, pawl 51 can be stuck by ratchet 5, makes shaft
31 are not susceptible to invert, and tensioning wheel 3 can continue to be tensioned belt 23 in original position, not interfere with the normal of grass trimmer
Work.
As shown in figure 4,51 top of pawl is equipped with non-return spring 52, one end of non-return spring 52 is fixed with 51 upside of pawl to be connected
It connects, the other end is fixedly connected with mounting plate 521, and the side that mounting plate 521 is located at driving wheel 21 with hood 1 is fixedly connected.It is non-return
Spring 52 applies pawl 51 downward pressure, makes pawl in compressive state using the return action of non-return spring 52 always
51 press tighter with ratchet 5, to make ratchet 5 be not susceptible to invert.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (8)
1. a kind of grass trimmer belt pulley automatic stretching structure, including it is located at the pulley assemblies (2) of hood (1) side wall, the hood
(1) upper surface is equipped with gear-box (11), is equipped with transmission shaft (111) in the middle part of the gear-box (11), the hood (1) is located at band
One side lower part of wheel assembly (2) is equipped with cutter shaft (12), and the pulley assemblies (2) include driving wheel (21), driven wheel (22) and skin
Band (23), the driving wheel (21) are fixedly and coaxially connected with transmission shaft (111), and the driven wheel (22) is coaxial solid with cutter shaft (12)
Fixed connection, the driving wheel (21) and driven wheel (22) are sequentially connected by belt (23), it is characterized in that：Hood (1) position
It is equipped with tensioning wheel (3) in the side of pulley assemblies (2), the tensioning wheel (3) is located on the outside of belt (23) and is supported with belt (23)
It touches, the hood (1) is located at the side of pulley assemblies (2) equipped with the adjusting part (4) for adjusting tensioning wheel (3)；
The adjusting part (4) includes tensioning plate (41), adjusting bolt (42), is tensioned tension spring (43) and runing rest (44),
The tensioning wheel (3) is rotatablely connected by the opposite both sides of shaft (31) and runing rest (44), the runing rest (44)
Lower end is rotatablely connected with hood (1), and the upper end of the runing rest (44) is located at its opposite both sides and is fixedly connected with spring drawing
Bar (45)；
The tensioning plate (41) is fixedly connected with hood (1), and the adjusting bolt (42) is arranged in the middle part of tensioning plate (41), described
The first nut (421) and the second nut (422), first nut (421) and second are threaded in adjusting bolt (42)
Nut (422) is located at the both sides of tensioning plate (41)；
The one end of the adjusting bolt (42) far from driven wheel (22) is equipped with shackle (423), the axis direction of the shackle (423)
It is vertical with the axis direction of adjusting bolt (42)；
The tensioning tension spring (43) one end is fixedly connected with spring pull rod (45), and the other end is fixedly connected with shackle (423).
2. a kind of grass trimmer belt pulley automatic stretching structure according to claim 1, it is characterized in that：The runing rest
(44) upper end opens up jagged (441), and the notch (441) is located at the opposite both sides of runing rest (44)；
The spring pull rod (45) is embedded in notch (441), both ends and runing rest (44) phase of the spring pull rod (45)
To both sides be fixedly connected by locking nut (451).
3. a kind of grass trimmer belt pulley automatic stretching structure according to claim 2, it is characterized in that：The spring pull rod
(45) be recessed inwardly restraining position ring block slot (452) in the middle part of.
4. a kind of grass trimmer belt pulley automatic stretching structure according to claim 1, it is characterized in that：The shaft (31) is same
Axis is fixedly connected with ratchet (5), and the side that the hood (1) is located at pulley assemblies (2) is rotatably connected to be adapted to ratchet (5)
Pawl (51), the pawl (51) contradict with ratchet (5).
5. a kind of grass trimmer belt pulley automatic stretching structure according to claim 4, it is characterized in that：On the pawl (51)
Side is equipped with non-return spring (52), is fixedly connected on the upside of one end of the non-return spring (52) and pawl (51), and the other end, which is fixed, to be connected
It is connected to mounting plate (521), the side that the mounting plate (521) is located at pulley assemblies (2) with hood (1) is fixedly connected.
6. a kind of grass trimmer belt pulley automatic stretching structure as claimed in any of claims 1 to 5, it is characterized in that：
The side that the hood (1) is located at pulley assemblies (2) is equipped with the cover (6), and the cover (6) is bolted with hood (1)
Connection.
7. a kind of grass trimmer belt pulley automatic stretching structure according to claim 6, it is characterized in that：The cover (6) edge
The opposite both sides of vertical direction are respectively equipped with the heat emission hole (61) of waist type.
8. a kind of grass trimmer belt pulley automatic stretching structure according to claim 7, it is characterized in that：The cover (6) is remote
Disembark cover (1) side be equipped with peep hole (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820114975.0U CN208074109U (en) | 2018-01-23 | 2018-01-23 | A kind of grass trimmer belt pulley automatic stretching structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820114975.0U CN208074109U (en) | 2018-01-23 | 2018-01-23 | A kind of grass trimmer belt pulley automatic stretching structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208074109U true CN208074109U (en) | 2018-11-09 |
Family
ID=64035688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820114975.0U Expired - Fee Related CN208074109U (en) | 2018-01-23 | 2018-01-23 | A kind of grass trimmer belt pulley automatic stretching structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208074109U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114208479A (en) * | 2021-12-17 | 2022-03-22 | 江苏艾威机械制造有限公司 | Cross sliding type mower |
-
2018
- 2018-01-23 CN CN201820114975.0U patent/CN208074109U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114208479A (en) * | 2021-12-17 | 2022-03-22 | 江苏艾威机械制造有限公司 | Cross sliding type mower |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181109 |
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| CF01 | Termination of patent right due to non-payment of annual fee |