CN108566817A - Water conservancy dykes and dams mowing apparatus - Google Patents
Water conservancy dykes and dams mowing apparatus Download PDFInfo
- Publication number
- CN108566817A CN108566817A CN201810518611.3A CN201810518611A CN108566817A CN 108566817 A CN108566817 A CN 108566817A CN 201810518611 A CN201810518611 A CN 201810518611A CN 108566817 A CN108566817 A CN 108566817A
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- CN
- China
- Prior art keywords
- saw blade
- sliding
- dams
- fixed
- screw rod
- 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.)
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/02—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having reciprocating cutters
- A01D34/08—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having reciprocating cutters hand-guided by a walking operator
- A01D34/10—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having reciprocating cutters hand-guided by a walking operator with motor driven cutters or wheels
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/02—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having reciprocating cutters
- A01D34/13—Cutting apparatus
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/02—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having reciprocating cutters
- A01D34/28—Adjusting devices for the cutter-bar
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
- A01D34/02—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having reciprocating cutters
- A01D34/28—Adjusting devices for the cutter-bar
- A01D34/283—Adjustment of the cutter bar in a vertical plane, i.e. to adjust the angle between the cutter bar and the soil
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D34/00—Mowers; Mowing apparatus of harvesters
- A01D34/835—Mowers; Mowing apparatus of harvesters specially adapted for particular purposes
- A01D34/86—Mowers; Mowing apparatus of harvesters specially adapted for particular purposes for use on sloping ground, e.g. on embankments or in ditches
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Harvester Elements (AREA)
Abstract
The invention discloses a kind of water conservancy dykes and dams mowing apparatus.The front both sides of pusher gear are respectively fixed with guide rail, and regulating device is provided with above guide rail, and the lower section of regulating device is mutually flexibly connected by screw rod with tool device is cut, and the guide block for cutting tool device is mutually slidably connected with guide rail, constitutes rail plate mechanisms.A kind of trolley of present invention offer is mowed with saw blade dislocation shearing technique, it is with light-weight, features simple structure, adjustable, conveniently moving, be applicable on hydraulic engineering dykes and dams, effectively overcome traditional grass trimmer there are high equipment cost, the defects of complicated, weight is big, mobile inconvenient, fragile, narrow application range, noise is big, vibration is big, bear again, easily hurt sb.'s feelings, mowing out-of-flatness.
Description
Technical field
The present invention relates to a kind of mowing apparatus, specifically a kind of mowing apparatus being suitable on hydraulic engineering dykes and dams,
Belong to water conservancy auxiliary Tools Technology.
Background technology
Grass trimmer is a kind of important tool modified to thick grass, is widely used in gardens, court and agricultural, mesh
Before, there are mainly two types of grass trimmers in the market, and one is cart type grass trimmer, another kind is to take back of the body formula grass trimmer；Cart type is cut
Careless machine is that diesel engine is equipped on a lorry, and diesel engine is equipped with blade, the disadvantage is that high equipment cost, structure are multiple
Miscellaneous, weight is greatly, movement is inconvenient, is mowed using rotating blade, easily touches stone damage, is only applicable to the more smooth field of topography
Institute；It is to bear gasoline engine at the back of human body to take back of the body formula grass trimmer, holds swingle, is mowed using rotating blade,
The disadvantage is that noise is big, vibration is big, weight bearing is big, blade it is fragile fly out hurt sb.'s feelings, mowing out-of-flatness etc..Both grass trimmers are all
Be not suitable for being applied on hydraulic engineering dykes and dams, dykes and dams be pit it is uneven, with the steeper gradient, the soil is porous, can bear weight
It is lighter etc..
Invention content
In order to overcome in the prior art mowing apparatus there are high equipment cost, complicated, weight it is big, mobile inconvenient, easily
Damage, the defects of narrow application range, noise is big, vibration is big, bear weight, easily hurt sb.'s feelings, mowing out-of-flatness, it is small that the present invention provides one kind
Vehicle is mowed with saw blade dislocation shearing technique, with light-weight, features simple structure, adjustable, conveniently moving, is applicable to water
On sharp engineering dykes and dams.
The technical solution adopted by the present invention to solve the technical problems is：Water conservancy dykes and dams mowing apparatus includes mainly：It pushes away
Vehicle device, guide rail cut tool device, regulating device, vehicle frame, wheel, axle, transfer, hand handle, big nut, outer cylinder, inner sleeve
Cylinder, wheel seat, deflecting roller, axis pin, fixed saw blade, sliding saw blade device, guide block, connecting rod, turntable, the first bolt, deck, the second spiral shell
Bolt, motor, sliding saw blade, sliding block, supporting plate, screw rod, handwheel, swivel nut；
The front both sides of the pusher gear are respectively fixed with guide rail, and regulating device, regulating device are provided with above guide rail
Lower section by screw rod with cut tool device be mutually flexibly connected, cut tool device guide block be mutually slidably connected with guide rail, constitute slide lead
Rail mechanism.
Above-mentioned pusher gear is made of vehicle frame, wheel, axle, transfer, hand handle, big nut and outer cylinder, wherein
The vehicle frame is triangle projective planum structure, and front end opens up notch, and middle part also opens up trapezoidal notch；The wheel passes through axle
Outer both sides mounted on vehicle frame front end, vehicle frame rear end are fixedly arranged above outer cylinder；The transfer and outer cylinder inner wall phase
Pivot bush unit, and locked by big nut；The inside of transfer is inserted into the hand handle lower end, and is mutually fixedly connected；It is described
Hand handle be bending T font structures.
Above-mentioned transfer is made of inner sleeve, wheel seat, deflecting roller and axis pin, wherein the inner sleeve is hollow
The outer surface of pipe, pipe upper end offers screw thread, and wheeled base is fixed in inner sleeve lower end on center；The deflecting roller
The lower section of wheel seat is mounted on by axis pin；The wheel seat is made of one block of plectane and two pieces of vertical support plates, is opened at support plate one
Equipped with circular hole.
The above-mentioned tool device that cuts is by fixing saw blade, sliding saw blade device, guide block, connecting rod, turntable, the first bolt, deck, the
Two bolts and motor form, wherein the both ends of the fixation saw blade offer oblong notch respectively, and front side offers sawtooth
Shape, fixed saw blade top are provided with sliding saw blade device, and slide the oblong notch of the sliding block and fixed saw blade of saw blade device
It is mutually slidably connected, forms sliding equipment；Guide block described in two is separately fixed at below fixed saw blade at both ends, the guide block on the left side
Side is provided with motor, and the shaft end of motor is mutually fixedly connected with turntable, one on turntable at open up there are one threaded hole；Described turns
Disk is mutually flexibly connected by connecting rod with the left end of sliding saw blade device, and carries out locking connection using the first bolt；The card
Seat is fixed on top in the middle part of fixed saw blade, and deck both sides are each provided with second bolt respectively.
Above-mentioned sliding saw blade device is made of sliding saw blade and sliding block, wherein the both ends difference of the sliding saw blade
Fixed there are one sliding blocks, and two sliding blocks are symmetrical；It is opened up at the sliding saw blade right end one there are one threaded hole, it is sliding
Zigzag is offered on front side of dynamic saw blade.
Above-mentioned regulating device is made of supporting plate, screw rod, handwheel and swivel nut, wherein top in the middle part of the supporting plate
It is fixed with swivel nut, swivel nut inner wall offers screw thread；External screw thread is offered in the middle part of the screw rod, is opened up at the lower end one of screw rod
There are round card slot, the external screw thread of screw rod to be mutually connected with the internal thread of swivel nut, the upper end of screw rod is provided with handwheel.
The present invention after the above technical solution is adopted, has advantageous effect below：First, using two fast pulleys and one
Deflecting roller forms triangle wheel construction, and the scope of application is wider, on especially uneven, acclive water conservancy dykes and dams, effectively gram
Traditional grass trimmer has been taken to be only applicable in smooth topography；It is cut second is that being moved back and forth on fixed saw blade using sliding saw blade
Grass, safety is more preferable, is effectively prevented rotating blade damage and accidentally injures operator；Third, using the cooperation of regulating device and guide rail,
The adjusting for realizing height, to realize the adjustment of mowing height；Fourth, using the combination of hand handle and transfer, it is real easily
The steering, u-turn and impetus of mowing apparatus are showed, light structure, weight is small, is suitable on the dykes and dams that the soil is porous；Fifth,
Using turntable, connecting rod, sliding saw blade, a linkage rod slide block mechanism is constituted, by the convert rotational motion of motor coming for saw blade
Linear motion is returned, realizes efficient mowing function, simple in structure, reliable, cost is lower, and practicability is stronger.
Description of the drawings
Fig. 1 is the structural schematic diagram of water conservancy dykes and dams mowing apparatus of the present invention.
Fig. 2 is the structural schematic diagram of pusher gear.
Fig. 3 is the structural schematic diagram of transfer.
Fig. 4 is the structural schematic diagram for cutting tool device.
Fig. 5 is the structural schematic diagram for cutting the tool device back side.
Fig. 6 is the structural schematic diagram for sliding saw blade device.
Fig. 7 is the structural schematic diagram of regulating device.
1. pusher gear in figure, 2. guide rails, 3. cut tool device, 4. regulating devices, 5. vehicle frames, 6. wheels, 7. axles, 8. turns
To device, 9. hand handles, 10. big nuts, 11. outer cylinders, 12. inner sleeves, 13. wheel seats, 14. deflecting rollers, 15. axis pins, 16. fix
Saw blade, 17. sliding saw blade devices, 18. guide blocks, 19. connecting rods, 20. turntables, 21. first bolts, 22. decks, 23. second bolts,
24. motor, 25. sliding saw blades, 26. sliding blocks, 27. supporting plates, 28. screw rods, 29. handwheels, 30. swivel nuts.
Specific implementation mode
1-7 does a detailed description to the specific implementation mode of the present invention below in conjunction with the accompanying drawings.
Embodiment：Water conservancy dykes and dams mowing apparatus includes mainly：Pusher gear 1, guide rail 2 cut tool device 3, regulating device
4, vehicle frame 5, wheel 6, axle 7, transfer 8, hand handle 9, big nut 10, outer cylinder 11, inner sleeve 12, wheel seat 13, deflecting roller
14, axis pin 15, fixed saw blade 16, sliding saw blade device 17, guide block 18, connecting rod 19, turntable 20, the first bolt 21, deck 22, the
Two bolts 23, motor 24, sliding saw blade 25, sliding block 26, supporting plate 27, screw rod 28, handwheel 29, swivel nut 30；
The front both sides of the pusher gear 1 are respectively fixed with guide rail 2, and the top of guide rail 2 is provided with regulating device 4, adjust
The lower section of device 4 is flexibly connected by screw rod 28 with tool 3 phase of device is cut, and the guide block 18 for cutting tool device 3 slides company with 2 phase of guide rail
It connects, constitutes rail plate mechanisms.
The pusher gear 1 is by vehicle frame 5, wheel 6, axle 7, transfer 8, hand handle 9, big nut 10 and outer cylinder 11
Composition, wherein the vehicle frame 5 is triangle projective planum structure, and front end opens up notch, and middle part also opens up trapezoidal notch；Described
Wheel 6 is mounted on the outer both sides of 5 front end of vehicle frame by axle 7, and 5 rear end of vehicle frame is fixedly arranged above outer cylinder 11；The steering
Device 8 and 11 inner wall phase pivot bush unit of outer cylinder, and locked by big nut 10；Transfer 8 is inserted into 9 lower end of hand handle
Inside, and be mutually fixedly connected；The hand handle 9 is the T font structures of bending.
The transfer 8 is made of inner sleeve 12, wheel seat 13, deflecting roller 14 and axis pin 15, wherein the inner sleeve
Cylinder 12 is hollow circular-tube, and the outer surface of pipe upper end offers screw thread, and inner sleeve fixes wheeled base on 12 lower end center
13；The deflecting roller 14 is mounted on the lower section of wheel seat 13 by axis pin 15；The wheel seat 13 is perpendicular by one block of plectane and two pieces
Straight support plate forms, and circular hole is offered at support plate one.
Described cuts tool device 3 by fixed saw blade 16, sliding saw blade device 17, guide block 18, connecting rod 19, turntable 20, first
Bolt 21, deck 22, the second bolt 23 and motor 24 form, wherein the both ends of the fixation saw blade 16 offer length respectively
Round notch, front side offer zigzag, and 16 top of fixed saw blade is provided with sliding saw blade device 17, and slides saw blade device 17
Sliding block 26 and the oblong notch of fixed saw blade 16 be mutually slidably connected, form sliding equipment；Guide block 18 described in two is distinguished
It is fixed at 16 lower section both ends of fixed saw blade, 18 side of guide block on the left side is provided with motor 24, shaft end and the turntable 20 of motor 24
Mutually be fixedly connected, one on turntable 20 at open up there are one threaded hole；The turntable 20 passes through connecting rod 19 and sliding saw blade device
17 left end is mutually flexibly connected, and carries out locking connection using the first bolt 21；The deck 22 is fixed on fixed saw blade 16
Above middle part, 22 both sides of deck are each provided with second bolt 23 respectively.
The sliding saw blade device 17 is made of sliding saw blade 25 and sliding block 26, wherein the sliding saw blade 25
Both ends are respectively fixed with a sliding block 26, and two sliding blocks 26 are symmetrical；It is opened up at 25 right end one of sliding saw blade
There are one threaded hole, 25 front side of sliding saw blade offers zigzag.
The regulating device 4 is made of supporting plate 27, screw rod 28, handwheel 29 and swivel nut 30, wherein the supporting plate
27 middle parts are fixedly arranged above swivel nut 30, and 30 inner wall of swivel nut offers screw thread；The middle part of the screw rod 28 offers external screw thread, spiral shell
Round card slot is offered at the lower end one of bar 28, the external screw thread of screw rod 28 is mutually connected with the internal thread of swivel nut 30, screw rod 28
Upper end be provided with handwheel 29.
A description is carried out below for the operation principle of the present invention：First according to actual needs, it determines mowing height, revolves
Wheel 29 is changed hands, drives screw rod 28 to rotate, under the cooperation of swivel nut 30, screw rod 28 realizes the upper-lower height of axis direction
It adjusts, however the round card slot of 28 lower end of screw rod, under the activity clamping of deck 22 and the second bolt of both sides 23, tool dress is cut in drive
It sets 3 to move up and down, and cuts tool device 3 under the guiding role of guide rail 2, make entirely to cut tool device 3 and smoothly slide up and down, when solid
Determine saw blade 16 and reach suitable position, stop rotating handwheel 29, you can completes the adjusting in height.Then motor 24 is connected
Power supply, motor 24 start to rotate, and motor 24 drives turntable 20 to rotate together by motor shaft, and turntable 20 passes through connecting rod 19
Sliding saw blade 25 is driven, and under the mating reaction of the oblong notch and sliding block 26 in fixed saw blade 16, sliding saw blade 25 comes
Return move back and forth, be by 24 convert rotational motion of motor be straight line back and forth movement, at this time slide saw blade 25 sawtooth and fixation
The sawtooth of saw blade 16 is constantly sheared into line misregistration, is realized and is cut off small careless function.Finally, holding hand handle 9 pushes forward cart to fill
1 is set, entire mowing apparatus is made to carry out continuous cutting operation on water conservancy dykes and dams.
In addition, transfer 8 is set as being adjusted by rotation, the purpose is to realize the steering of pusher gear 1, u-turn easily
And the adjustment of circuit.The middle part of vehicle frame 5 is set as trapezoidal notch, and purpose one is to mitigate weight, is reduced in the dike that the soil is porous
Mobile difficulty on dam, second is that in time unloading the small grass cut off from trapezoidal notch.
Claims (6)
1. water conservancy dykes and dams mowing apparatus, includes mainly：Pusher gear（1）, guide rail（2）, cut tool device（3）, regulating device
（4）, vehicle frame（5）, wheel（6）, axle（7）, transfer（8）, hand handle（9）, big nut（10）, outer cylinder（11）, inner sleeve
（12）, wheel seat（13）, deflecting roller（14）, axis pin（15）, fixed saw blade（16）, sliding saw blade device（17）, guide block（18）, connecting rod
（19）, turntable（20）, the first bolt（21）, deck（22）, the second bolt（23）, motor（24）, sliding saw blade（25）, sliding block
（26）, supporting plate（27）, screw rod（28）, handwheel（29）, swivel nut（30）；
It is characterized in that, the pusher gear（1）Front both sides be respectively fixed with guide rail（2）, guide rail（2）Top setting
There is regulating device（4）, regulating device（4）Lower section pass through screw rod（28）With cut tool device（3）It is mutually flexibly connected, cuts tool device
（3）Guide block（18）With guide rail（2）It is mutually slidably connected, constitutes rail plate mechanisms.
2. water conservancy dykes and dams mowing apparatus according to claim 1, which is characterized in that the pusher gear（1）By vehicle frame
（5）, wheel（6）, axle（7）, transfer（8）, hand handle（9）, big nut（10）And outer cylinder（11）Composition, wherein described
Vehicle frame（5）For triangle projective planum structure, front end opens up notch, and middle part also opens up trapezoidal notch；The wheel（6）Pass through vehicle
Axis（7）Mounted on vehicle frame（5）The outer both sides of front end, vehicle frame（5）Rear end is fixedly arranged above outer cylinder（11）；The transfer
（8）With outer cylinder（11）Inner wall phase pivot bush unit, and pass through big nut（10）Locking；The hand handle（9）Lower end, which is inserted into, to be turned to
Device（8）Inside, and be mutually fixedly connected；The hand handle（9）For the T font structures of bending.
3. water conservancy dykes and dams mowing apparatus according to claim 1, which is characterized in that the transfer（8）By inner sleeve
Cylinder（12）, wheel seat（13）, deflecting roller（14）And axis pin（15）Composition, wherein the inner sleeve（12）For hollow circular-tube, pipe
The outer surface of upper end offers screw thread, inner sleeve（12）Wheeled base is fixed in lower end on center（13）；The deflecting roller
（14）Pass through axis pin（15）Mounted on wheel seat（13）Lower section；The wheel seat（13）By one block of plectane and two pieces of vertical support plates
It forms, circular hole is offered at support plate one.
4. water conservancy dykes and dams mowing apparatus according to claim 1, which is characterized in that described cuts tool device（3）By fixing
Saw blade（16）, sliding saw blade device（17）, guide block（18）, connecting rod（19）, turntable（20）, the first bolt（21）, deck（22）,
Two bolts（23）And motor（24）Composition, wherein the fixation saw blade（16）Both ends offer oblong notch respectively, it is preceding
Side offers zigzag, fixed saw blade（16）Top is provided with sliding saw blade device（17）, and slide saw blade device（17）Cunning
Block（26）With fixed saw blade（16）Oblong notch be mutually slidably connected, formed sliding equipment；Guide block described in two（18）Point
It is not fixed on fixed saw blade（16）At the both ends of lower section, the guide block on the left side（18）Side is provided with motor（24）, motor（24）Axis
End and turntable（20）It is mutually fixedly connected, turntable（20）Threaded hole there are one being opened up at upper one；The turntable（20）Pass through connecting rod
（19）With sliding saw blade device（17）Left end be mutually flexibly connected, and use the first bolt（21）Carry out locking connection；Described
Deck（22）It is fixed on fixed saw blade（16）Above middle part, deck（22）Both sides are each provided with second bolt respectively（23）.
5. water conservancy dykes and dams mowing apparatus according to claim 1, which is characterized in that the sliding saw blade device（17）By
Slide saw blade（25）And sliding block（26）Composition, wherein the sliding saw blade（25）Both ends be respectively fixed with a sliding block
（26）, and two sliding blocks（26）It is symmetrical；The sliding saw blade（25）It is opened up at right end one there are one threaded hole, is slided
Saw blade（25）Front side offers zigzag.
6. water conservancy dykes and dams mowing apparatus according to claim 1, which is characterized in that the regulating device（4）By holder
Plate（27）, screw rod（28）, handwheel（29）And swivel nut（30）Composition, wherein the supporting plate（27）Middle part is fixedly arranged above spiral shell
Set（30）, swivel nut（30）Inner wall offers screw thread；The screw rod（28）Middle part offer external screw thread, screw rod（28）Lower end
Round card slot, screw rod are offered at one（28）External screw thread and swivel nut（30）Internal thread be mutually connected, screw rod（28）It is upper
End is provided with handwheel（29）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810518611.3A CN108566817A (en) | 2018-05-28 | 2018-05-28 | Water conservancy dykes and dams mowing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810518611.3A CN108566817A (en) | 2018-05-28 | 2018-05-28 | Water conservancy dykes and dams mowing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108566817A true CN108566817A (en) | 2018-09-25 |
Family
ID=63572851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810518611.3A Withdrawn CN108566817A (en) | 2018-05-28 | 2018-05-28 | Water conservancy dykes and dams mowing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108566817A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110012679A (en) * | 2019-04-24 | 2019-07-16 | 沈宇豪 | A kind of gardens hand-held veneer clipper |
| CN113647239A (en) * | 2021-09-17 | 2021-11-16 | 东北林业大学 | Afforestation is maintained with lawn mower that has adsorption function |
-
2018
- 2018-05-28 CN CN201810518611.3A patent/CN108566817A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110012679A (en) * | 2019-04-24 | 2019-07-16 | 沈宇豪 | A kind of gardens hand-held veneer clipper |
| CN113647239A (en) * | 2021-09-17 | 2021-11-16 | 东北林业大学 | Afforestation is maintained with lawn mower that has adsorption function |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180925 |
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| WW01 | Invention patent application withdrawn after publication |