CN208836537U - A kind of cutting mechanism of grass-removing robot - Google Patents
A kind of cutting mechanism of grass-removing robot Download PDFInfo
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- CN208836537U CN208836537U CN201820947617.8U CN201820947617U CN208836537U CN 208836537 U CN208836537 U CN 208836537U CN 201820947617 U CN201820947617 U CN 201820947617U CN 208836537 U CN208836537 U CN 208836537U
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- bottom plate
- erecting bed
- grass
- cutting
- cutting tool
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Abstract
The utility model discloses a kind of cutting mechanisms of grass-removing robot, grass cutter human body includes horizontally disposed bottom plate, the bottom plate is circumferentially equipped with contact-impact sensor, main control panel is provided with above the bottom plate and the communication box of setting is connect with main control panel, current sensor module and six axis gyro modules are provided in the main control panel, both ends are separately installed with front wheel on front side of the bottom plate, the floor rear both ends are separately installed with rear roller, the walking mechanism for driving front wheel and rear roller to move is additionally provided with below the bottom plate；It is provided with cutting mechanism below the bottom plate, the cutting mechanism includes cutting tool, the height regulating mechanism that the power mechanism for driving cutting tool to rotate is equipped on the bottom plate and cutting tool is driven to move up and down；It is additionally provided with weeds collecting mechanism below the bottom plate, the weeds collecting mechanism is located at the rear side of the cutting tool.
Description
Technical field
The utility model relates to garden afforestation technology fields, and in particular to a kind of cutting mechanism of grass-removing robot.
Background technique
Grass-removing robot be it is a kind of for cutting the grass on a lawn, the machine tool of vegetation etc., it is by cutterhead, engine, walking
Wheel, walking mechanism, blade, handrail, control section composition.Cutterhead is equipped with engine on traveling wheel on cutterhead, engine
Blade is housed, blade cuts grass using the high speed rotation of engine, when saving the operation of weeding worker on output shaft
Between, reduce a large amount of human resources.
But height of the blade of existing grass-removing robot for grass cutter human body in the vertical direction
Be it is fixed, can only cut to lawn carry out certain altitude cutting, when need cut do not have to height lawn when, need replacing
Different grass-removing robots, it is at high cost, it is inconvenient for use.And existing grass-removing robot is mostly artificial promotion, is expended biggish
Manpower and time, low efficiency.For the grass-removing robot of automatically walk when turning to, structure is complicated, equally increases grass cutter
The production cost of people.Existing grass-removing robot can not be collected the disintegrating slag of grass after having cut grass, need manual sorting,
Biggish manpower is expended, but also the lawn that can be completed to cutting causes to trample, and influences the growth of grass.
In view of the above shortcomings of the prior art, applicant considers to design a kind of grass-removing robot, including grass-removing robot sheet
Body, the grass cutter human body include horizontally disposed bottom plate, and the bottom plate is circumferentially equipped with contact-impact sensor, described
Main control panel is provided with above bottom plate and the communication box of setting is connect with main control panel, setting in the main control panel
There are a current sensor module and six axis gyro modules, both ends are separately installed with front wheel on front side of the bottom plate, after the bottom plate
Side both ends are separately installed with rear roller, and the vehicle with walking machine for driving front wheel and rear roller to move is additionally provided with below the bottom plate
Structure；It is provided with cutting mechanism below the bottom plate, the cutting mechanism includes cutting tool, is equipped on the bottom plate for band
The power mechanism of dynamic cutting tool rotation and the height regulating mechanism for driving cutting tool to move up and down；Below the bottom plate also
It is provided with weeds collecting mechanism, the weeds collecting mechanism is located at the rear side of the cutting tool；It is provided with above the bottom plate
Power supply unit, the contact-impact sensor, main control panel, walking mechanism and cutting mechanism pass through power switch and supply
Electric installation is electrically connected, and the contact-impact sensor, walking mechanism and cutting mechanism electrically connect with the main control panel
It connects.
So cutting-height can preferably be adjusted by how designing one kind, structure is simple, grass-removing robot easy to use
Walking mechanism become those skilled in the art primarily solve the problems, such as.
Utility model content
In view of the above shortcomings of the prior art, the technical problem to be solved by the utility model is to how to provide a kind of energy
Enough preferably adjustment cutting-heights, structure is simple, the cutting mechanism of grass-removing robot easy to use.
In order to solve the above-mentioned technical problem, the utility model uses the following technical solution: in the technical program, the bottom of with
Plate is front end close to one end of cutting tool, and one end opposite with front end is rear end.
A kind of cutting mechanism of grass-removing robot, including grass cutter human body, the grass cutter human body includes water
The bottom plate of flat setting, bottom plate front side both ends are separately installed with front wheel, and the floor rear both ends are rolled after being separately installed with
Wheel, further includes cutting tool, and the power mechanism for driving cutting tool to rotate is equipped on the bottom plate and drives cutting
The height regulating mechanism that cutter moves up and down.
In this way, power mechanism drives cutting tool movement to cut lawn, then adjusted using height regulating mechanism
The height of cutting tool in the vertical direction meets different requirements to cut to the lawn that different height requires.
The lawn that the present apparatus can require different height is cut, and is adjusted easy to use.
As optimization, the cutting tool includes horizontally disposed disk, and the disk is circumferentially distributed to be provided with cutter
The edegewise setting of piece, the cutting blade exists.
In this way, disk drives cutting tool rotation that can preferably cut to lawn, cutting efficiency is high, user
Just.
As optimization, the power mechanism includes erecting bed, and the erecting bed is in the form of a column structure and lower ending opening is arranged, institute
It states erecting bed described in face on bottom plate and is vertically provided through perforation, the erecting bed slides up and down cooperation in the perforation,
The erecting bed is fixedly connected with the height regulating mechanism, and third motor, the third motor are provided on the erecting bed
Output shaft it is down-set and with the middle of the disc setting shaft be fixedly connected.
In this way, third motor action, drives cutting blade rotation to realize lawn and cuts by disk.The installation of third motor
On erecting bed, erecting bed can move up and down along perforation, it can the height of adjustment cutting tool in the vertical direction, it is convenient
The lawn of different height is cut.
As optimization, the height regulating mechanism includes vertically arranged lead screw, and the lead screw lower end is fixed by bearing
It is mounted on the bottom plate, the lead screw upper end is fixedly installed with rotating handles, and nut, the nut are equipped on the lead screw
Outside is socketed with axle sleeve, and described axle sleeve one end is fixedly connected with the erecting bed upper end.
In this way, rotating handles drive lead screw rotation, and lead screw drives and moves down on nut in use, rotating rotating handles with hand
Dynamic, nut drives axle sleeve to move up and down, and axle sleeve drives erecting bed to move up and down along perforation, in the vertical direction to cutting tool
Height is adjusted, easy to use.
As optimization, the cutting tool outside mask is equipped with cutter shield, cutter shield upper end and the bottom
Plate is fixedly connected, and cutter shield upper end is vertically provided through the through-hole for allowing the erecting bed to pass through, the through-hole
It is coaxially disposed with the perforation, cutter shield front end is arranged in comb teeth-shaped, and cutter shield lower end is equipped with gear
Plate, in the cutter shield close to the side of the base plate rear end, cutter shield rear end opens up the baffle plate setting
There is discharge hole.
In this way, protecting using cutter shield to cutting tool, while also improving security performance.Cutter shield
Front end is in comb teeth-shaped, can be stirred to the stone of bulk in lawn, avoids directly colliding with cutting tool, can be better
Extend the service life of cutting tool.It is provided with baffle, the disintegrating slag after cutting lawns can be made to concentrate backward, facilitates collection
Processing.
In the present embodiment, erecting bed position-limit mechanism, the erecting bed position-limit mechanism packet are provided on the plate upper surface
The gag lever post being vertically provided on the outside of the erecting bed is included, limited block is vertically fixedly installed on the gag lever post, limited block leans on
The side of the nearly erecting bed is located above the erecting bed.
In this way, limit using maximum height of the limited block to erecting bed, erecting bed is avoided to be detached from out of perforation, it can be with
Preferably guarantee the reliability and globality of whole device.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of grass-removing robot described in the specific embodiment of the invention.
Fig. 2 is the schematic perspective view on rear side of Fig. 1.
Fig. 3 is the top view of Fig. 1.
Fig. 4 is the left view of Fig. 1.
Fig. 5 is the right view of Fig. 1.
Fig. 6 is the structural schematic diagram of the cutting tool in Fig. 1.
Fig. 7 is the structural schematic diagram of the weeds collecting mechanism of Fig. 1.
Fig. 8 is the structural schematic diagram of cutting mechanism in Fig. 7.
In attached drawing, 1 is bottom plate, and 11 be main control panel, and 12 be communication box, and 13 be front wheel, and 14 be rear roller, and 15 are
Cutting tool, 17 be power supply unit, and 18 be push rod, and 19 be aviation plug, and 20 be handle, and 21 be display screen touch panel, and 3 be the
One motor, 31 be drive sprocket, and 32 be driven sprocket, and 33 be chain, and 4 be the second motor, and 41 be the first disk, and 42 be the second circle
Disk, 43 be drive rod, and 5 be disk, and 51 be cutting blade, and 6 be erecting bed, and 61 be third motor, and 62 be lead screw, and 63 be rotation handle
Hand, 64 be axle sleeve, and 65 be gag lever post, and 66 be limited block, and 7 be shield, and 71 be comb teeth-shaped, and 72 be baffle, and 73 be discharge port, 8
It is cylinder mould for collecting box, 81,82 be push and pull bar.
Specific embodiment
Below with reference to a kind of attached drawing using the utility model structure, the utility model is described in further detail.
When it is implemented, as Figure 1-Figure 8, a kind of grass-removing robot, including grass cutter human body, the grass trimmer
Device human body includes horizontally disposed bottom plate 1, and the bottom plate 1 is circumferential to be equipped with contact-impact sensor, is set above the bottom plate 1
It is equipped with main control panel 11 and connect the communication box 12 of setting with main control panel 11, be provided in the main control panel 11
Current sensor module and six axis gyro modules, the 1 front side both ends of bottom plate are separately installed with front wheel 13, the bottom plate 1
Rear side both ends are separately installed with rear roller 14, are additionally provided with below the bottom plate 1 for driving front wheel 13 and rear roller 14 to transport
Dynamic walking mechanism；Cutting mechanism is provided with below the bottom plate 1, the cutting mechanism includes cutting tool 15, the bottom plate 1
On be equipped with for drive cutting tool 15 rotate power mechanism and drive cutting tool 15 move up and down height adjustment
Mechanism；Weeds collecting mechanism is additionally provided with below the bottom plate 1, after the weeds collecting mechanism is located at the cutting tool 15
Side；Be provided with power supply unit 17 above the bottom plate 1, the contact-impact sensor, main control panel 11, walking mechanism and
Cutting mechanism passes through power switch and power supply unit 17 and is electrically connected, and the contact-impact sensor, walking mechanism and cuts
Cutting mill structure and the main control panel 11 are electrically connected.
In this way, driving front wheel and rear roller to move using walking mechanism, the traveling of grass-removing robot is realized；Power mechanism
Cutting tool movement is driven to cut lawn, then in the vertical direction using height regulating mechanism adjustment cutting tool
Highly, to cut to the lawn that different height requires, the disintegrating slag for cutting completion is collected by weeds collecting mechanism, real
The cutting and elimination integration on existing lawn.Be provided with contact-impact sensor, and be arranged in bottom plate circumferential direction, can with sensing collision power,
And main control panel is passed to, it drives bottom plate to be turned to by walking mechanism, is provided with current sensor module, detect electric current
Moment increase phenomenon, be provided with six axis gyro modules, can with grass cutter human body whether run-off the straight or grass trimmer
Whether it is raised on device human body, preferably the state of grass-removing robot can be detected, improve the automatic of whole device
Change degree.
In the present embodiment, 1 upper horizontal of bottom plate is provided with mounting plate 2, and 2 lower end of mounting plate passes through vertically arranged
Support rod be fixedly connected with 1 upper surface of bottom plate, the main control panel 11 is fixedly mounted on 2 top of the mounting plate,
The power supply unit 17 is fixedly mounted on the bottom plate 1 and is located at 2 lower section of mounting plate.
In this way, being provided with mounting plate, main control panel is placed on above mounting plate, power supply unit is placed under mounting plate
Side, can be more reasonably utilized the space above bottom plate, so that the design of grass-removing robot body construction is more reasonable.
Wherein, the power supply unit 17 is lithium ion battery.
In this way, lithium ion battery is convenient for carrying, electricity can charge after using up, and can preferably reduce grass-removing robot
Cost.
In the present embodiment, the diameter of the front wheel 13 is less than the diameter of rear roller 14.
In this way, rear roller rotation drives front wheel movement, rear roller turnning circle is few, can realize and add to front wheel
Speed, it is possible to reduce the energy of walking mechanism input is saved in power input.
In the present embodiment, 1 rear end of bottom plate is fixedly installed with detachable push rod 18 obliquely upward, and the push rod 18 passes through
Aviation plug 19 is connect with the bottom plate 1, and 18 upper end of push rod is provided with handle 20, is equipped with display screen on the handle 20
Touch panel 21, the display screen touch panel 21 are electrically connected with the main control panel 11.
In this way, being provided with detachable push rod, connected using aviation plug, it is easy to connect, and also route connects inside push rod
It is connected to display screen touch panel, configuration is rationally simple, avoids the exposed of route.
In the present embodiment, the walking mechanism includes driving mechanism and steering mechanism, and the driving mechanism includes that setting exists
Two first motors 3 on 1 rear end upper surface of bottom plate, the output shaft of described two first motors 3 are horizontally disposed with outward opposite to each other, institute
The output shaft for stating first motor 3 is fixedly installed with drive sprocket 31, and the rear roller 14 is mounted on the bottom plate 1 by mounting rack
On, the shaft among the rear roller 14 is fixedly installed with driven sprocket 32, and the drive sprocket 31 and driven sprocket 32 pass through
Chain 33 is sequentially connected, and the first motor 3 is electrically connected with the main control panel 11.
In this way, first motor acts, drive sprocket rotation is driven, drive sprocket is rotated by chain-driving drive sprocket,
Drive sprocket drives rear roller movement, and structure is simple, easy to use, breaks down easy-maintaining and at low cost, can be better
Reduce the cost of whole device.
In the present embodiment, the steering mechanism includes the second motor 4 that 1 front side of bottom plate is arranged in, second electricity
The output shaft of machine 4 is down-set, and the output shaft of second motor 4 passes through the bottom plate 1 and is fixedly connected with the first disk downwards
41, the both ends of the shaft being arranged on the front wheel 13 has set up connecting rod, the small end and horizontally disposed second
Disk 42 is fixedly connected, and 42 upper end of the second disk is vertically provided with shaft, and the shaft upper end is rotatably installed in the bottom
It is hinged by drive rod 43 between first disk 41 and second disk 42 on plate 1, grass cutter human body straight trip
When, described two drive rods 42 are vertically arranged with grass cutter human body straight trip direction.
In this way, the second motor action, drives the first disk rotational, the first disk isomorphism drive rod drives the second disk to turn
Dynamic, the second disk drives front wheel to turn to, and realizes the steering of grass cutter human body.When grass cutter human body keeps straight on, two
Drive rod is vertically arranged with grass cutter human body straight trip direction, can keep the straight trip of grass-removing robot, when needing to turn to,
Second motor action.Steering mechanism is mutually indepedent with driving mechanism, and steering mechanism and driving mechanism are electrical with main control panel
Connection.
In the present embodiment, the cutting tool 15 includes horizontally disposed disk 5, and the disk 5 is circumferentially distributed to be provided with
Cutting blade 51, the edegewise setting of the cutting blade 51.
In this way, disk drives cutting tool rotation that can preferably cut to lawn, cutting efficiency is high, user
Just.
In the present embodiment, the power mechanism includes erecting bed 6, and the erecting bed 6 is in the form of a column structure and lower ending opening is set
It sets, erecting bed 6 described in face is vertically provided through perforation on the bottom plate 1, and the erecting bed 6 slides up and down cooperation described
In perforation, the erecting bed 6 is fixedly connected with the height regulating mechanism, and third motor 61, institute are provided on the erecting bed 6
The output shaft for stating third motor 61 is down-set and be fixedly connected with the shaft being arranged among the disk 5.
In this way, third motor action, drives cutting blade to realize lawn and cuts by disk rotational.The installation of third motor
On erecting bed, erecting bed can move up and down along perforation, it can the height of adjustment cutting tool in the vertical direction, it is convenient
The lawn of different height is cut.
In the present embodiment, the height regulating mechanism includes vertically arranged lead screw 62, and 62 lower end of lead screw passes through axis
It holds and is fixedly mounted on the bottom plate 1,62 upper end of lead screw is fixedly installed with rotating handles 63, is equipped on the lead screw 62
Nut, the nut outside are socketed with axle sleeve 64, and described 64 one end of axle sleeve is fixedly connected with 6 upper end of erecting bed.
In this way, rotating handles drive lead screw rotation, and lead screw drives and moves down on nut in use, rotating rotating handles with hand
Dynamic, nut drives axle sleeve to move up and down, and axle sleeve drives erecting bed to move up and down along perforation, in the vertical direction to cutting tool
Height is adjusted, easy to use.
In the present embodiment, 15 outside mask of cutting tool be equipped with cutter shield 7,7 upper end of cutter shield with
The bottom plate 1 is fixedly connected, and 7 upper end of cutter shield is vertically provided through the through-hole for allowing the erecting bed 6 to pass through,
The through-hole and the perforation are coaxially disposed, and 7 front end of cutter shield is arranged in comb teeth-shaped 71, the cutter shield 7
Lower end is equipped with baffle 72, and the cutter shield 7 is arranged in close to the side of 1 rear end of bottom plate in the baffle 72, described
7 rear end of cutter shield offers discharge port 73.
In this way, protecting using cutter shield to cutting tool, while also improving security performance.Cutter shield
Front end is in comb teeth-shaped, can be stirred to the stone of bulk in lawn, avoids directly colliding with cutting tool, can be better
Extend the service life of cutting tool.It is provided with baffle, the disintegrating slag after cutting lawns can be made to concentrate backward, facilitates collection
Processing.
In the present embodiment, erecting bed position-limit mechanism, 6 position-limit mechanism of erecting bed are provided on 1 upper surface of bottom plate
Including the gag lever post 65 being vertically provided on the outside of the erecting bed 6, it is vertically fixedly installed with limited block 66 on the gag lever post 65,
Limited block 66 is located above the erecting bed 6 close to the side of the erecting bed 6.
In this way, limit using maximum height of the limited block to erecting bed, erecting bed is avoided to be detached from out of perforation, it can be with
Preferably guarantee the reliability and globality of whole device.
In the present embodiment, the weeds collecting mechanism includes the collecting box 8 that 1 rear end of bottom plate is arranged in, the collection
Opening is provided on front side of case 8,8 upper end of collecting box is detachably fixed with 1 rear end of bottom plate and connect.
In this way, the disintegrating slag that cutting tool has cut lawn generation may collect in collecting box, then collecting box is collected full
Afterwards, collecting box is dismantled from bottom plate and is cleared up, structure is simple, easy to use.
In the present embodiment, it is provided with hook on the outside of 8 front openings of collecting box, the weeds collecting mechanism further includes bullet
Property cylinder mould 81, it is described elasticity 81 one end of cylinder mould be fixedly connected with the discharge port 73 that 7 rear end of cutter shield is arranged, the other end
It is articulated on the hook.
In this way, the clast that generates of cutting tool cutting lawns after the guiding of cutter shield from cutter shield after
The discharge port outflow of end setting is flowed into collecting box into excessively elastic cylinder mould, convenient to focus on to disintegrating slag.Elastic cylinder mould
To there is certain elasticity, can extend or shorten with porose cage, when needing to clear up the disintegrating slag in collecting box
When, collecting box is removed, elastic cylinder mould is removed from the hook on collecting box and is separated, it is simple to operate.
In the present embodiment, 1 rear end of bottom plate is provided with T-slot, 8 upper end of the collecting box setting along length direction
Have and is slidably fitted in T-block with the T-slot.
In this way, facilitating the installation and disassembly of collecting box, structure is simple, easy to use.
In the present embodiment, surface is provided with push and pull bar 82 to the collecting box 8 elevationally outward.
In this way, collecting box can be dragged and removed from bottom plate in use, hold with a hand push and pull bar, it is easy to use.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that；
It can still modify to technical solution documented by previous embodiment, or to some or all of the technical features
It is equivalently replaced；And these are modified or replaceed, the utility model embodiment that it does not separate the essence of the corresponding technical solution
The range of technical solution should all cover in the claim of the utility model and the range of specification.
Claims (6)
1. a kind of cutting mechanism of grass-removing robot, including grass cutter human body, the grass cutter human body includes level
The bottom plate of setting, bottom plate front side both ends are separately installed with front wheel, and the floor rear both ends are separately installed with rear roller,
It is characterized in that, further include cutting tool, be equipped on the bottom plate power mechanism for driving cutting tool to rotate and
The height regulating mechanism for driving cutting tool to move up and down.
2. a kind of cutting mechanism of grass-removing robot according to claim 1, which is characterized in that the cutting tool includes
Horizontally disposed disk, the circumferentially distributed of the disk are provided with cutting blade, the edegewise setting of the cutting blade.
3. a kind of cutting mechanism of grass-removing robot according to claim 2, which is characterized in that the power mechanism includes
Erecting bed, the erecting bed is in the form of a column structure and lower ending opening is arranged, and erecting bed described in face, which vertically runs through, on the bottom plate sets
It is equipped with perforation, the erecting bed slides up and down cooperation in the perforation, and the erecting bed is fixed with the height regulating mechanism
Connection, is provided with third motor on the erecting bed, the output shaft of the third motor it is down-set and with the middle of the disc
The shaft of setting is fixedly connected.
4. a kind of cutting mechanism of grass-removing robot according to claim 3, which is characterized in that the height regulating mechanism
Including vertically arranged lead screw, the lead screw lower end is fixedly mounted on the bottom plate by bearing, and the lead screw upper end is fixed
Rotating handles are installed, nut is installed on the lead screw, are socketed with axle sleeve on the outside of the nut, described axle sleeve one end with it is described
Erecting bed upper end is fixedly connected.
5. a kind of cutting mechanism of grass-removing robot according to claim 4, which is characterized in that on the outside of the cutting tool
It is covered with cutter shield, cutter shield upper end is fixedly connected with the bottom plate, and cutter shield upper end is vertical
It is provided through the through-hole for allowing the erecting bed to pass through, the through-hole and the perforation are coaxially disposed, the cutter shield
Front end is arranged in comb teeth-shaped, and cutter shield lower end is equipped with baffle, and the baffle plate setting is leaned in the cutter shield
The side of the nearly base plate rear end, cutter shield rear end offers discharge hole.
6. a kind of cutting mechanism of grass-removing robot according to claim 5, which is characterized in that on the plate upper surface
It is provided with erecting bed position-limit mechanism, the erecting bed position-limit mechanism includes the gag lever post being vertically provided on the outside of the erecting bed,
Limited block is vertically fixedly installed on the gag lever post, limited block is located on the erecting bed close to the side of the erecting bed
Side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820947617.8U CN208836537U (en) | 2018-06-19 | 2018-06-19 | A kind of cutting mechanism of grass-removing robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820947617.8U CN208836537U (en) | 2018-06-19 | 2018-06-19 | A kind of cutting mechanism of grass-removing robot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208836537U true CN208836537U (en) | 2019-05-10 |
Family
ID=66352374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820947617.8U Expired - Fee Related CN208836537U (en) | 2018-06-19 | 2018-06-19 | A kind of cutting mechanism of grass-removing robot |
Country Status (1)
| Country | Link |
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| CN (1) | CN208836537U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021179657A1 (en) * | 2020-03-10 | 2021-09-16 | 苏州宝时得电动工具有限公司 | Cutting device and smart lawnmower |
-
2018
- 2018-06-19 CN CN201820947617.8U patent/CN208836537U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021179657A1 (en) * | 2020-03-10 | 2021-09-16 | 苏州宝时得电动工具有限公司 | Cutting device and smart lawnmower |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20190510 Termination date: 20210619 |