CN209440570U - A kind of circular saw protective cover with packing up function - Google Patents
A kind of circular saw protective cover with packing up function Download PDFInfo
- Publication number
- CN209440570U CN209440570U CN201822016855.XU CN201822016855U CN209440570U CN 209440570 U CN209440570 U CN 209440570U CN 201822016855 U CN201822016855 U CN 201822016855U CN 209440570 U CN209440570 U CN 209440570U
- Authority
- CN
- China
- Prior art keywords
- saw
- hood
- fixedly connected
- protective cover
- frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Sawing (AREA)
Abstract
The utility model relates to technical field of industrial equipment; and disclose a kind of circular saw protective cover with packing up function; including frame; fixed plate there are two being fixedly connected at the top of the frame; shaft is fixedly connected between two fixed plates; axle sleeve is rotatably connected on the outside of the shaft; saw hood one is fixedly connected on the right side of the axle sleeve; the inner sidewall of the saw hood one offers guide groove; there are two guide pad, the guide pad is fixedly connected with connection guide block far from the side of axle sleeve for the internal slide connection of the guide groove.The circular saw protective cover with packing up function; saw blade is completely protected when saw blade does not work; being avoided that saw blade when not working is influenced and is damaged by external environment; also protective cover can quickly be packed up when saw blade works simultaneously; prevent the inconvenient problem that worker dismounts circular saw protective cover; it avoids the occurrence of security risk or causes safety accident, effectively improve the service efficiency of circular saw.
Description
Technical field
The utility model relates to technical field of industrial equipment, specially a kind of circular saw protective cover with packing up function.
Background technique
Circular saw purposes compressed air, one can be operated, can fly-cutting Large-diameter Steel tube apparatus, realization quickly rescue
It helps, application place fire-fighting, earthquake, People's Armed Police, public security and civil defence etc. are speedily carried out rescue work operation, while cleavable steel pipe, reinforcing bar, iron pipe, door and window
With the materials material such as concrete, run at high speed using air compressor or high pressure air bottle driving air motor, realization is quickly cut
It cuts.
Existing circular saw would generally be provided with a work top, in the side of work top, that is, this and circular saw
A braced frame is fixed in the parallel place of the cut direction of piece, then shield is connected to above braced frame, makes to protect
Cover can play a certain protective role, while can also prevent some dust from flying, and the shield in real work generally can only
The half of saw blade is covered, this one side of something that saw blade will be made exposed when not working may be damaged by external environment influence
It is bad, it is protected if entire saw blade covered, for shield at work with regard to being dismounted, worker operation is inconvenient, makes
At security risk, easily there is safety accident, so propose that a kind of circular saw protective cover with packing up function is above-mentioned to solve
The problem of proposed.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of circular saw protective cover with packing up function, tool
The advantages that for saw blade can be facilitated at work to pack up shield so as to circular saw work, solves existing circular saw in work
The problem of inconvenience packs up shield when making.
(2) technical solution
It can facilitate saw blade that shield is packed up the purpose to work so as to circular saw at work for realization is above-mentioned, this is practical new
Type provides the following technical solutions: a kind of circular saw protective cover with packing up function, including frame, the top of the frame are fixed
Connection is fixedly connected with shaft between two fixed plates, is rotatably connected to axis on the outside of the shaft there are two fixed plate
It covers, is fixedly connected with saw hood one on the right side of the axle sleeve, the inner sidewall of the saw hood one offers guide groove, the guide groove
There are two guide pads for internal slide connection, and the guide pad is fixedly connected with connection guide block far from the side of axle sleeve, described in two
It is fixedly connected with saw hood two between connection guide block, the top of the saw hood one is fixedly connected with link block, the top of the link block
Portion is fixedly connected with sliding block, and the sliding block is slidably connected in the sliding slot that three inner sidewall of saw hood opens up, the front of the saw hood two
Limit sliding chutes are offered with the back side, there are two the opposite one side wall of two limit sliding chutes and being located in saw hood two opens up
Card slot slidably connects kelly in the limit sliding chutes, and one end that two kellies are away from each other is fixedly connected to limit plate,
Two limit plates are fixedly connected with hook ring far from the side of kelly, and two opposite sides of the limit plate are fixedly connected with
There is circlip.
Preferably, the saw hood one is located at the outside of saw hood two, and the saw hood one is located at the inside of saw hood three, the guiding
The top and bottom of slot is communicated with the outside.
Preferably, the saw hood two is in semicircular arc, and two fixed plates are located at front and the back of frame roof
Face is provided with saw blade on the inside of the frame.
Preferably, two connection guide blocks are located at the left side and top of saw hood two, and the width of the guide pad is big
In the width of guide groove notch.
Preferably, the opposite one end of two kellies sequentially passes through circlip and frame and extends respectively to two limits
The inside of sliding slot.
Preferably, the kelly is located at the inside of circlip, the opposite side of two circlips respectively with the front of frame
It is fixedly connected with the back side.
(3) beneficial effect
Compared with prior art, the utility model provides a kind of circular saw protective cover with packing up function, have with
It is lower the utility model has the advantages that
The circular saw protective cover with packing up function, at work, according to work when use the case where, by saw hood two to
Left promotion drives the guide pad on connection guide block to move up along guide groove, and two guide pads facilitate saw hood two in rotation
It can be packed up along guide groove is stable, while kelly being driven to slide in limit sliding chutes, when saw hood two turns left to frame
Top when, two circlips carry out elastic force contractions to two limit plates respectively, to drive two kellies to be stuck in bottom respectively
In two card slots in portion, saw hood two is fixed on the inside of saw hood one and is fixed on the top of frame, while can be according to object to be sawed
The case where size and use saw blade of material, saw hood three can be pushed up, in the cooperation that is slidably connected of sliding slot and link block top shoe
Under, saw hood three can be pushed to being adjusted to the left side of saw hood one and shrink, facilitate saw blade according to the size of saw material carry out using
It adjusts, by the axle sleeve on the outside of fixed plate upper shaft, saw hood one can be movably connected on frame, protective cover is enable to be fixed
Firmly, when saw blade does not need work, with above-mentioned principle, saw hood three is pushed to the left and is gone to the top of frame, cooperates saw hood one
It will be protected at the top of saw blade, then pull two hook rings to front and back both direction with hand, drive two limit plates
The kelly of upper two hook ring opposite sides is extracted out from card slot, then rotates counterclockwise saw hood two downwards, hook ring is unclamped, in circlip
Elastic force under kelly be retracted and bring into limit sliding chutes, continue saw hood two turning to the bottom of frame and kelly be slidingly attached to
It is blocked in the card slot at top, cooperates the guide pad at top and connection guide block that saw hood two is fixed on the bottom of frame and is located at saw blade
The outside of bottom can completely be protected saw blade when saw blade does not work, make saw blade be avoided that when not working by
It influences and damages to external environment, while also can quickly pack up protective cover when saw blade works, prevent worker's dismounting
The inconvenient problem of circular saw protective cover avoids the occurrence of security risk or causes safety accident, effectively improves making for circular saw
Use efficiency.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the top cross-sectional view of frame connecting structure in the utility model structure；
Fig. 3 is the right view of one connection structure of saw hood in the utility model structure.
In figure: 1 frame, 2 fixed plates, 3 shafts, 4 axle sleeves, 5 saw hoods one, 6 guide grooves, 7 guide pads, 8 connection guide blocks, 9 saws
Cover two, 10 link blocks, 11 sliding blocks, 12 saw hoods three, 13 sliding slots, 14 limit plates, 15 hook rings, 16 saw blades, 17 circlips, 18 kellies, 19
Limit sliding chutes, 20 card slots.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of circular saw protection with packing up function
Cover, including frame 1, the inside of frame 1 are provided with saw blade 16, and the top of frame 1 is fixedly connected there are two fixed plate 2, and two solid
Fixed board 2 is located at the front and back at 1 top of frame, is fixedly connected with shaft 3, the outside of shaft 3 between two fixed plates 2
It is rotatably connected to axle sleeve 4, the right side of axle sleeve 4 is fixedly connected with saw hood 1, and the inner sidewall of saw hood 1 offers guide groove 6, leads
It is communicated with the outside to the top and bottom of slot 6, the internal slide of guide groove 6 is connected there are two guide pad 7, guide pad 7
Width is greater than the width of 6 notch of guide groove, and guide pad 7 is fixedly connected with connection guide block 8 far from the side of axle sleeve 4, connects guide block 8
Width it is equal with the width of 6 notch of guide groove, saw hood 29 is fixedly connected between two connection guide blocks 8, saw hood 1 is located at
The outside of saw hood 29, saw hood 29 are in semicircular arc, and two connection guide blocks 8 are located at the left side and top of saw hood 29, saw hood
29 are located at the inside of frame 1, and saw blade 16 is located at the inside of saw hood 29, the left side of saw hood 29 and the left inner side wall phase of frame 1
Touching, the top of saw hood 1 are fixedly connected with link block 10, and the top of link block 10 is fixedly connected with sliding block 11, and sliding block 11 slides
It is connected in the sliding slot 13 that 3 12 inner sidewall of saw hood opens up, saw hood 1 is located at the inside of saw hood 3 12, saw hood 1 and saw hood three
12 is arc-shaped, and the width of saw hood 3 12 is greater than the inboard width of frame 1, and saw hood 29 and saw hood 3 12 are respectively positioned on frame 1
Top, the front and back of saw hood 29 offer limit sliding chutes 19, the opposite one side wall of two limit sliding chutes 19 and are located at saw
Card slot 20 there are two opening up in 29 is covered, the quantity of card slot 20 is four altogether, and four card slots 20 are being located at saw hood 29 just
The top and bottom in face and the back side slidably connect kelly 18 in limit sliding chutes 19, and one end that two kellies 18 are away from each other is solid
Surely it is connected with limit plate 14, two limit plates 14 are fixedly connected with hook ring 15, two 14 phases of limit plate far from the side of kelly 18
Pair side be fixedly connected to circlip 17, the opposite one end of two kellies 18 sequentially passes through circlip 17 and frame 1 and respectively
Extend to the inside of two limit sliding chutes 19, kelly 18 is located at the inside of circlip 17, the opposite side of two circlips 17 respectively with
The front and back of frame 1 is fixedly connected, and when circlip 17 is located at natural width, two kellies 18 are located at two card slots 20
It is interior, at work, the case where use when according to work, saw hood 29 is pushed to the left, drive 7 edge of guide pad on connection guide block 8
Guide groove 6 move up, two guide pads 7 facilitate saw hood 29 rotation when can be packed up along guide groove 6 is stable, together
When drive kelly 18 to slide in limit sliding chutes 19, when saw hood 29 turns left to the top of frame 1, two circlips 17 divide
It is other that elastic force contraction is carried out to two limit plates 14, so that two kellies 18 of drive are stuck in two card slots 20 of bottom respectively
In, saw hood 29 is fixed on the inside of saw hood 1 and is fixed on the top of frame 1, while can according to the size of material to be sawed and
The case where using saw blade 16, saw hood 3 12 can be pushed up, in the cooperation that is slidably connected of 10 top shoe 11 of sliding slot 13 and link block
Under, the left side for being adjusted to saw hood 1 can be pushed to shrink saw hood 3 12, saw blade 16 is facilitated to be made according to the size of saw material
Saw hood 1 can be movably connected on frame 1 by the axle sleeve 4 in 2 upper shaft of fixed plate, 3 outside, make protective cover by adjusting
It can be fixed, when saw blade 16 does not need work, with above-mentioned principle, saw hood 3 12 be pushed to the left and goes to frame 1
Top, cooperation saw hood 1 protect the top of saw blade 16, then pull two hooks to front and back both direction with hand
Ring 15 drives the kelly 18 of two 15 opposite sides of hook ring on two limit plates 14 to extract out from card slot 20, then the downward inverse time
Needle rotate saw hood 29, unclamp hook ring 15, kelly 18, which is retracted, under the elastic force of circlip 17 brings into limit sliding chutes 19, continue by
Saw hood 29 turns to the bottom of frame 1 and kelly 18 is slidingly attached to block in the card slot 20 at top, cooperates the guide pad at top
7 and connection guide block 8 by saw hood 29 be fixed on frame 1 bottom and be located at 16 bottom of saw blade outside, can saw blade 16 not
Saw blade 16 is completely protected when work, being avoided that saw blade 16 when not working is influenced and is damaged by external environment,
Also protective cover can quickly be packed up when saw blade 16 works simultaneously, the inconvenience for preventing worker's dismounting circular saw protective cover is asked
Topic, avoids the occurrence of security risk or causes safety accident, effectively improve the service efficiency of circular saw.
The case where using when in use, according to work, saw hood 29 is pushed to the left, drives the guiding on connection guide block 8
Block 7 is moved up along guide groove 6, and two guide pads 7 facilitate the receipts that saw hood 29 can be stable along guide groove 6 in rotation
It rises, while kelly 18 being driven to slide in limit sliding chutes 19, when saw hood 29 turns left to the top of frame 1, two circlips
17 carry out elastic force contraction to two limit plates 14 respectively, so that two kellies 18 of drive are stuck in two card slots of bottom respectively
In 20, saw hood 29 is fixed on the inside of saw hood 1 and is fixed on the top of frame 1, while can be according to the size of material to be sawed
The case where with saw blade 16 are used, can push up saw hood 3 12, match in sliding slot 13 and 10 being slidably connected for top shoe 11 of link block
Under conjunction, the left side for being adjusted to saw hood 1 can be pushed to shrink saw hood 3 12, saw blade 16 is facilitated to be carried out according to the size of saw material
Saw hood 1 can be movably connected on frame 1 by the axle sleeve 4 in 2 upper shaft of fixed plate, 3 outside, make to protect by the adjusting used
Cover can be fixed, and when saw blade 16 does not need work, with above-mentioned principle, saw hood 3 12 is pushed to the left and goes to frame 1
Top, cooperation saw hood 1 top of saw blade 16 is protected, then with hand to front and back both direction pull two
Hook ring 15 drives the kelly 18 of two 15 opposite sides of hook ring on two limit plates 14 to extract out from card slot 20, then to subinverse
Hour hands rotate saw hood 29, unclamp hook ring 15, and kelly 18, which is retracted, under the elastic force of circlip 17 brings into limit sliding chutes 19, continue
By saw hood 29 turn to frame 1 bottom and kelly 18 be slidingly attached to top card slot 20 in block, cooperate top guiding
Saw hood 29 is fixed on the bottom of frame 1 and is located at the outside of 16 bottom of saw blade by block 7 and connection guide block 8, can be in saw blade 16
Saw blade 16 is completely protected when not working.
In conclusion this has the circular saw protective cover of packing up function, the case where use when according to work, by saw hood 29
It pushes to the left, drives the guide pad 7 on connection guide block 8 to move up along guide groove 6, two guide pads 7 facilitate saw hood 29 to exist
Can be packed up along guide groove 6 is stable when rotation, while kelly 18 being driven to slide in limit sliding chutes 19, when saw hood 29 to
When a left side turns to the top of frame 1, two circlips 17 carry out elastic force contraction to two limit plates 14 respectively, thus band respectively
Dynamic two kellies 18 are stuck in two card slots 20 of bottom, and saw hood 29 is fixed on the inside of saw hood 1 and is fixed on frame 1
Top, while can be according to the size of material to be sawed and using saw blade 16 the case where, saw hood 3 12 can be pushed up, in sliding slot 13
With being slidably connected under cooperation for 10 top shoe 11 of link block, the left side for being adjusted to saw hood 1 can be pushed to receive saw hood 3 12
Contracting, facilitate saw blade 16 according to the size of saw material carry out using adjusting can will by the axle sleeve 4 in the outside of 2 upper shaft of fixed plate 3
Saw hood 1 is movably connected on frame 1, and protective cover is enable to be fixed, when saw blade 16 does not need work, with above-mentioned original
Saw hood 3 12 is pushed to the left and is gone to the top of frame 1 by reason, and cooperation saw hood 1 protects the top of saw blade 16, then
Two hook rings 15 are pulled to front and back both direction with hand, drive on two limit plates 14 two 15 opposite sides of hook ring
Kelly 18 is extracted out from card slot 20, then rotates counterclockwise saw hood 29 downwards, is unclamped hook ring 15, is blocked under the elastic force of circlip 17
Bar 18, which is retracted, to be brought into limit sliding chutes 19, continues the bottom that saw hood 29 is turned to frame 1 and kelly 18 is slidingly attached to push up
It is blocked in the card slot 20 in portion, cooperates the guide pad 7 at top and connection guide block 8 that saw hood 29 is fixed on the bottom of frame 1 and is located at
Saw blade 16 can completely be protected when saw blade 16 does not work, make saw blade 16 in not work by the outside of 16 bottom of saw blade
As when be avoided that and influenced and damage by external environment, while also protective cover can quickly be packed up when saw blade 16 works, be prevented
Only there is the inconvenient problem that worker dismounts circular saw protective cover, avoids the occurrence of security risk or cause safety accident, effectively mention
The high service efficiency of circular saw, solves the problems, such as that existing circular saw is inconvenient at work and packs up shield.
It should be noted that the terms "include", "comprise" or its any other variant are intended to the packet of nonexcludability
Contain, so that the process, method, article or equipment for including a series of elements not only includes those elements, but also including
Other elements that are not explicitly listed, or further include for elements inherent to such a process, method, article, or device.
In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including the element
Process, method, article or equipment in there is also other identical elements.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of circular saw protective cover with packing up function, including frame (1), it is characterised in that: the top of the frame (1)
There are two being fixedly connected fixed plate (2), it is fixedly connected with shaft (3) between two fixed plates (2), the shaft (3)
Outside is rotatably connected to axle sleeve (4), is fixedly connected with saw hood one (5) on the right side of the axle sleeve (4), the saw hood one (5) it is interior
Side wall offers guide groove (6), and there are two guide pad (7), the guide pads (7) for the internal slide connection of the guide groove (6)
Side far from axle sleeve (4) is fixedly connected with connection guide block (8), is fixedly connected with saw hood between two connection guide blocks (8)
Two (9) are fixedly connected with link block (10) at the top of the saw hood one (5), are fixedly connected at the top of the link block (10)
Sliding block (11), the sliding block (11) are slidably connected in the sliding slot (13) that saw hood three (12) inner sidewall opens up, the saw hood two (9)
Front and back offer limit sliding chutes (19), the opposite one side wall of two limit sliding chutes (19) and be located at saw hood two
(9) it is opened up in there are two card slot (20), the limit sliding chutes (19) are interior to be slidably connected kelly (18), two kellies
(18) one end being away from each other is fixedly connected to limit plate (14), and side of two limit plates (14) far from kelly (18) is solid
Surely it is connected with hook ring (15), two opposite sides of the limit plate (14) are fixedly connected to circlip (17).
2. a kind of circular saw protective cover with packing up function according to claim 1, it is characterised in that: the saw hood one
(5) it is located at the outside of saw hood two (9), the saw hood one (5) is located at the inside of saw hood three (12), the top of the guide groove (6)
It is communicated with the outside with bottom.
3. a kind of circular saw protective cover with packing up function according to claim 1, it is characterised in that: the saw hood two
It (9) is in semicircular arc, two fixed plates (2) are located at the front and back at the top of frame (1), the frame (1)
Inside is provided with saw blade (16).
4. a kind of circular saw protective cover with packing up function according to claim 1, it is characterised in that: two companies
Left side and top that guide block (8) is located at saw hood two (9) are connect, the width of the guide pad (7) is greater than guide groove (6) notch
Width.
5. a kind of circular saw protective cover with packing up function according to claim 1, it is characterised in that: two cards
The opposite one end of bar (18) sequentially passes through circlip (17) and frame (1) and extends respectively to the interior of two limit sliding chutes (19)
Portion.
6. a kind of circular saw protective cover with packing up function according to claim 1, it is characterised in that: the kelly
(18) it is located at the inside of circlip (17), the opposite side of two circlips (17) is solid with the front and back of frame (1) respectively
Fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822016855.XU CN209440570U (en) | 2018-12-04 | 2018-12-04 | A kind of circular saw protective cover with packing up function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822016855.XU CN209440570U (en) | 2018-12-04 | 2018-12-04 | A kind of circular saw protective cover with packing up function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209440570U true CN209440570U (en) | 2019-09-27 |
Family
ID=68013391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822016855.XU Expired - Fee Related CN209440570U (en) | 2018-12-04 | 2018-12-04 | A kind of circular saw protective cover with packing up function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209440570U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110883874A (en) * | 2019-11-29 | 2020-03-17 | 四川师范大学 | Processing equipment for cloud carving lacquer ware |
-
2018
- 2018-12-04 CN CN201822016855.XU patent/CN209440570U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110883874A (en) * | 2019-11-29 | 2020-03-17 | 四川师范大学 | Processing equipment for cloud carving lacquer ware |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109278207A (en) | A kind of circular saw protective cover with packing up function | |
| CN209440570U (en) | A kind of circular saw protective cover with packing up function | |
| CN203956694U (en) | A kind of construction packaged type abrasive wheel cutting machine | |
| CN113389991A (en) | Building engineering environmental monitoring equipment that can conveniently remove | |
| CN107685179A (en) | A kind of petroleum pipeline rapid cutting device | |
| CN202212644U (en) | Bridge-cutoff aluminum cutting machine | |
| CN207372414U (en) | A kind of Steel Reinforcing Bar Material equipment of safe low noise | |
| CN104924340A (en) | Device for cutting cloth | |
| CN209599619U (en) | A kind of safe efficient type rubber mixing mill | |
| CN210618715U (en) | Steel coil binding belt dismantling device | |
| CN113400260A (en) | Safety device for electric pick | |
| CN211030191U (en) | Protective workpiece cutting equipment | |
| CN202606997U (en) | Aluminum section V-shaped angle cutting machine | |
| CN213330046U (en) | Small-size instrument convenient to dismantle aluminum mould board | |
| CN206702295U (en) | A kind of plate shearing machine | |
| CN109435075B (en) | Pneumatic seat type cutting machine for coal mine | |
| CN204976730U (en) | Food cutting device | |
| CN216082333U (en) | Stope filling body briquetting experimental device | |
| CN220145579U (en) | Grinding wheel cutting machine mechanism | |
| CN214080763U (en) | Vertical dustproof cutting cover of angle grinder | |
| CN214349949U (en) | High-efficient hydraulic brake formula metalwork plate shearing machine | |
| CN212982018U (en) | Alloy wire winding equipment for aviation aircraft | |
| CN215109037U (en) | Fully-mechanized excavating heading machine excavation stress wave detection equipment | |
| CN210189205U (en) | Novel section bar cutting machine | |
| CN203579567U (en) | Auxiliary overhauling device for centering of output shaft of motor and rotation shaft of air compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190927 Termination date: 20201204 |