CN111828911A - Street lamp with lampshade cleaning function - Google Patents
Street lamp with lampshade cleaning function Download PDFInfo
- Publication number
- CN111828911A CN111828911A CN201910320923.8A CN201910320923A CN111828911A CN 111828911 A CN111828911 A CN 111828911A CN 201910320923 A CN201910320923 A CN 201910320923A CN 111828911 A CN111828911 A CN 111828911A
- Authority
- CN
- China
- Prior art keywords
- lamp
- lamp pole
- wall
- pole
- fixed
- 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.)
- Pending
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 27
- 230000017525 heat dissipation Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims 2
- 241000238631 Hexapoda Species 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 241000239290 Araneae Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
- F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
- F21S9/03—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light
- F21S9/035—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light the solar unit being integrated within the support for the lighting unit, e.g. within or on a pole
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/14—Adjustable mountings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/36—Hoisting or lowering devices, e.g. for maintenance
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V31/00—Gas-tight or water-tight arrangements
- F21V31/005—Sealing arrangements therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/10—Outdoor lighting
- F21W2131/103—Outdoor lighting of streets or roads
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses a street lamp with a lampshade cleaning function in the technical field of street lamps, which comprises a lamp post base, wherein a fixed lamp post is arranged at the top of the lamp post base, a lead screw is vertically arranged inside the fixed lamp post, the bottom of the lead screw is connected with the top of the lamp post base through a bearing, limiting blocks are arranged on the left and right sides of the outer wall of the bottom of a lifting lamp post, lead grooves matched with the limiting blocks are arranged on the left and right inner walls of the fixed lamp post, a spiral groove with a closed head and tail is arranged on the outer wall of a rotating post, a guide plate is arranged between the left end surface of a fixed plate and the lifting lamp post and close to the bottom of the fixed plate, the top of a cross-shaped driving rod is positioned in the spiral groove, the bottom of the cross-shaped driving rod, the device need not drop or fall the lamp pole and carry out the lamp shade clean, can control clean operation, convenient operation in lamp pole bottom.
Description
Technical Field
The invention relates to the technical field of street lamps, in particular to a street lamp with a lampshade cleaning function.
Background
The street lamp installed outdoors is not only often subjected to wind and rain, but also particularly attracts insects, so long as the street lamp is used for a few days, various dust and insect spots can be adsorbed on the outer wall of the lampshade, and some street lamps are also hung with spider nets, so that the appearance is influenced, and the illumination range of the street lamp is also reduced. Because most street lamps are installed in the midair higher than the ground, sanitation cleaners must ascend a height or lay down the street lamps to clean the lamp covers of the street lamps, and the street lamps are not safe enough and are complex to operate. Therefore, the street lamp with the lampshade cleaning function is provided.
Disclosure of Invention
The invention aims to provide a street lamp with a lampshade cleaning function, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a street lamp with a lampshade cleaning function comprises a lamp post base, wherein a fixed lamp post is arranged at the top of the lamp post base, a lead screw is vertically arranged inside the fixed lamp post, the bottom of the lead screw is connected with the top of the lamp post base through a bearing, a driven bevel gear is arranged on the outer wall of the lead screw close to the bottom of the lead screw, a driving bevel gear is meshed at the bottom of the right side of the driven bevel gear, the right side of the driving bevel gear is connected with a rotating rod, the right end of the rotating rod, which penetrates through the fixed lamp post, is connected with a rotating hand wheel, a lifting lamp post is movably inserted at the top of the fixed lamp post, the bottom of the lifting lamp post is sleeved on the outer wall of the lead screw through a threaded hole, stoppers are arranged on the left side and the right side, the auxiliary rod is arranged on the right side of the lifting lamp pole close to the top, the street lamp is arranged at the end part of the auxiliary rod, the lamp shade is arranged at the bottom of the street lamp, a fixed plate is fixedly arranged on the outer wall of the auxiliary rod close to the right side, a rotating column is arranged between the left end face of the fixed plate and the lifting lamp pole through a driving shaft, a spiral groove with a closed head and tail is arranged on the outer wall of the rotating column, a guide plate is arranged between the left end face of the fixed plate and the lifting lamp pole close to the bottom, a cross-shaped driving rod penetrates through the guide plate, the top of the cross-shaped driving rod is positioned in the spiral groove, a push-pull rod is connected to the bottom of the cross-shaped driving rod, a cleaning brush is movably connected through the fixed plate at the right end of, driven gear cup joints in the drive shaft outer wall left side of rotating the post, the left side outer wall of fixed lamp pole is provided with the control box.
Furthermore, the cleaning brush comprises a brush handle connected with the push-pull rod, a sponge brush sleeve is arranged at the top of the brush handle, an arc-shaped groove structure is arranged at the top of the sponge brush sleeve, a front group of auxiliary guide rods and a rear group of auxiliary guide rods are arranged at the left end of the brush handle, and the auxiliary guide rods movably penetrate through the fixing plate.
Furthermore, a rectangular guide hole penetrates through the top of the guide plate from top to bottom, and the cross-shaped driving rod is located in the rectangular guide hole.
Furthermore, the end face of the cross-shaped driving rod, which is attached to the top of the guide plate, is provided with a ball.
Further, the left and right length of the lampshade is equal to the left and right stroke distance of the push-pull rod.
Further, a waterproof cover is arranged outside the driving motor, and heat dissipation holes are formed in the bottom of the waterproof cover.
Compared with the prior art, the invention has the beneficial effects that:
1. the device drives a driving gear through a driving motor, the rear end of the driving gear is meshed with a driven gear, the driven gear drives a rotating column to rotate through a driving shaft, a spiral groove in the outer wall of the rotating column drives a push-pull rod to reciprocate left and right through a cross-shaped driving rod, the push-pull rod drives a sponge brush sleeve of a cleaning brush to clean a lampshade, the cleaning is very convenient, the operation of climbing a device or laying down a lamp pole is not needed to clean every time, and accidents and complicated operations are avoided;
2. when the clean structure need be changed and the maintenance, just through dwang drive bevel gear meshing driven bevel gear, driven bevel gear drives the lead screw and rotates, and lead screw drive lift lamp pole descends, changes and maintains convenient quick.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the engagement of the drive gear and the driven gear of the present invention;
FIG. 3 is a schematic view of a cleaning brush according to the present invention.
In the figure: the solar street lamp comprises a lamp post base 1, a fixed lamp post 2, a lead screw 3, a driven bevel gear 4, a driving bevel gear 5, a rotating rod 6, a lifting lamp post 7, a limiting block 8, a lead groove 9, a solar photovoltaic assembly 10, an auxiliary rod 11, a street lamp 12, a lampshade 13, a fixed plate 14, a rotating column 15, a spiral groove 16, a guide plate 17, a cross-shaped driving rod 18, a push-pull rod 19, a cleaning brush 20, a brush handle 201, a sponge brush sleeve 202, an auxiliary guide rod 203, a driving motor 21, a driving gear 22, a driven gear 23, a waterproof shield 24 and a control box 25.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a street lamp with a lampshade cleaning function comprises a lamp post base 1, wherein a fixed lamp post 2 is arranged at the top of the lamp post base 1, a lead screw 3 is vertically arranged inside the fixed lamp post 2, the bottom of the lead screw 3 is connected with the top of the lamp post base 1 through a bearing, a driven bevel gear 4 is arranged on the outer wall of the lead screw 3 close to the bottom, a driving bevel gear 5 is meshed at the bottom of the right side of the driven bevel gear 4, a rotating rod 6 is connected to the right side of the driving bevel gear 5, the rotating rod 6 penetrates through the right end of the fixed lamp post 2 and is connected with a rotating hand wheel, a lifting lamp post 7 is movably inserted at the top of the fixed lamp post 2, the bottom of the lifting lamp post 7 is sleeved on the outer wall of the lead screw 3 through a threaded hole, limiting blocks 8 are arranged on the left and right outer walls of the, the lifting lamp post 7 cannot rotate, the lifting operation of the lifting lamp post 7 is only carried out when the cleaning structure needs to be replaced and maintained, a solar photovoltaic component 10 is arranged at the top of the lifting lamp post 7, the solar photovoltaic component 10 is stored in a storage battery through photoelectric conversion to supply power to a street lamp 12 and a driving motor 21, an auxiliary rod 11 is arranged on the lifting lamp post 7 close to the right side of the top, the street lamp 12 is arranged at the end part of the auxiliary rod 11, a lampshade 13 is arranged at the bottom of the street lamp 12, a fixing plate 14 is fixedly arranged on the outer wall of the auxiliary rod 11 close to the right side, a rotating column 15 is arranged between the left end face of the fixing plate 14 and the lifting lamp post 7 through a driving shaft, a spiral groove 16 with a closed head and tail is arranged on the outer wall of the rotating column 15, a guide plate 17 is arranged between the left end, the bottom of the cross-shaped driving rod 18 is connected with a push-pull rod 19, the right end of the push-pull rod 19 movably penetrates through the fixing plate 14 to be connected with a cleaning brush 20, the cleaning brush 20 is attached to the left side of the bottom of the lampshade 13 in a clinging mode, a driving motor 21 is arranged at the front end of the lifting lamp pole 7 through a mounting plate, a driving gear 22 is arranged on the right side of the driving motor 21 through a motor shaft, a driven gear 23 is meshed at the rear end of the driving gear 22, the driven gear 23 is connected to the left side of the outer wall of a driving shaft of the rotating column 15 in a sleeved mode, a control box.
As shown in fig. 3, the cleaning brush 20 includes a brush handle 201 connected to the push-pull rod 19, a sponge brush sleeve 202 is disposed on the top of the brush handle 201, an arc groove structure is disposed on the top of the sponge brush sleeve 202, the sponge brush sleeve 202 can adapt to wiping of the gradually-changed concave lampshade 13, a front set of auxiliary guide rods 203 and a rear set of auxiliary guide rods 203 are disposed at the left end of the brush handle 201, the auxiliary guide rods 203 movably penetrate through the fixed plate 14, and the auxiliary guide rods 203 enable the brush handle 201 to move more stably in the left;
a rectangular guide hole is formed in the top of the guide plate 17 in a vertically penetrating mode, and the cross-shaped driving rod 18 is located in the rectangular guide hole, so that the cross-shaped driving rod 18 can stably drive the push-pull rod 19 to move left and right in a reciprocating mode;
as shown in fig. 1, the end face of the cross-shaped driving rod 18, which is attached to the top of the guide plate 17, is provided with a ball, so that friction is reduced, and the cross-shaped driving rod 18 can move left and right more flexibly;
as shown in fig. 1, the left and right length of the lampshade 13 is equal to the left and right travel distance of the push-pull rod 19, so that the lampshade 13 can be completely wiped;
as shown in fig. 1, a waterproof cover 24 is disposed outside the driving motor 21, and heat dissipation holes are disposed at the bottom of the waterproof cover 24, so that rainwater is prevented from entering the driving motor 21 and being damaged, and the heat dissipation holes do not affect the heat dissipation of the driving motor 21.
Example (b): when the lamp shade 13 is used for a long time to cover dust to affect the illumination of the street lamp 12, the lamp shade is controlled by the control box 25, the storage battery of the solar photovoltaic module 10 supplies power, the driving motor 21 is started, the driving motor 21 drives the driving gear 22, the rear end of the driving gear 22 is meshed with the driven gear 23, the driven gear 23 drives the rotating column 15 to rotate through the driving shaft, the spiral groove 16 on the outer wall of the rotating column 15 drives the push-pull rod 19 to reciprocate left and right through the cross-shaped driving rod 18, the push-pull rod 19 drives the sponge brush sleeve 202 of the cleaning brush 20 to clean the lamp shade 13, when the cleaning structure needs to be replaced and maintained, the driving bevel gear 5 is driven by the rotating rod 6 to be meshed with the driven bevel gear 4, the.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a street lamp with clean function of lamp shade, includes lamp pole base (1), its characterized in that: the top of lamp pole base (1) is provided with fixed lamp pole (2), the inside vertical lead screw (3) that is provided with of fixed lamp pole (2), the bottom of lead screw (3) is passed through the bearing and is connected with lamp pole base (1) top, the outer wall of lead screw (3) is close to the bottom and is provided with driven bevel gear (4), meshing has initiative bevel gear (5) bottom driven bevel gear (4) right side, dwang (6) is connected on the right side of initiative bevel gear (5), dwang (6) run through the right-hand member of fixed lamp pole (2) and are connected with the rotation hand wheel, the top activity of fixed lamp pole (2) is pegged graft and is had lift lamp pole (7), the bottom of lift lamp pole (7) cup joints the outer wall at lead screw (3) through the screw hole, all be provided with stopper (8) about the bottom outer wall of lift lamp pole (7), inner wall is provided with helical pitch groove (9) with The solar photovoltaic component (10) is arranged at the top of the lifting lamp pole (7), the lifting lamp pole (7) is provided with an auxiliary pole (11) close to the right side of the top, the end part of the auxiliary pole (11) is provided with a street lamp (12), the bottom of the street lamp (12) is provided with a lamp shade (13), the outer wall of the auxiliary pole (11) is fixedly provided with a fixed plate (14) close to the right side, a rotating column (15) is arranged between the left end face of the fixed plate (14) and the lifting lamp pole (7) through a driving shaft, the outer wall of the rotating column (15) is provided with a spiral groove (16) closed from head to tail, a guide plate (17) is arranged between the left end face of the fixed plate (14) and the lifting lamp pole (7) close to the bottom, a cross-shaped driving rod (18) is arranged in the, the bottom of cross actuating lever (18) is connected with push-and-pull rod (19), push-and-pull rod (19) right-hand member activity runs through fixed plate (14) and is connected with cleaning brush (20), the front end of lift lamp pole (7) is provided with driving motor (21) through the mounting panel, driving motor (21) right side is provided with driving gear (22) through the motor shaft, driving gear (22) rear end meshing has driven gear (23), driven gear (23) cup joint in the drive shaft outer wall left side of rotating post (15), the left side outer wall of fixed lamp pole (2) is provided with control box (25).
2. The street lamp with the lampshade cleaning function as claimed in claim 1, wherein: the cleaning brush (20) comprises a brush handle (201) connected with a push-pull rod (19), a sponge brush sleeve (202) is arranged at the top of the brush handle (201), an arc-shaped groove structure is arranged at the top of the sponge brush sleeve (202), a front group of auxiliary guide rods (203) and a rear group of auxiliary guide rods (203) are arranged at the left end of the brush handle (201), and the auxiliary guide rods (203) penetrate through the fixing plate (14) movably.
3. The street lamp with the lampshade cleaning function as claimed in claim 1, wherein: the top of the guide plate (17) is provided with a rectangular guide hole in an up-and-down penetrating mode, and the cross-shaped driving rod (18) is located in the rectangular guide hole.
4. The street lamp with the lampshade cleaning function as claimed in claim 1, wherein: and balls are arranged on the end faces of the cross-shaped driving rod (18) and the guide plate (17) which are attached to the top.
5. The street lamp with the lampshade cleaning function as claimed in claim 1, wherein: the left and right length of the lampshade (13) is equal to the left and right stroke distance of the push-pull rod (19).
6. The street lamp with the lampshade cleaning function as claimed in claim 1, wherein: a waterproof cover (24) is arranged outside the driving motor (21), and heat dissipation holes are formed in the bottom of the waterproof cover (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910320923.8A CN111828911A (en) | 2019-04-21 | 2019-04-21 | Street lamp with lampshade cleaning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910320923.8A CN111828911A (en) | 2019-04-21 | 2019-04-21 | Street lamp with lampshade cleaning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111828911A true CN111828911A (en) | 2020-10-27 |
Family
ID=72912148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910320923.8A Pending CN111828911A (en) | 2019-04-21 | 2019-04-21 | Street lamp with lampshade cleaning function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111828911A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112178542A (en) * | 2020-10-29 | 2021-01-05 | 江西省昌光照明电气有限公司 | LED lamp with height-adjustable lamp post |
| CN113324211A (en) * | 2021-06-08 | 2021-08-31 | 江苏斯美尔光电集团有限公司 | Street lamp with projection function |
| CN113405058A (en) * | 2021-07-02 | 2021-09-17 | 江苏时新景观照明有限公司 | Street lamp bracket and street lamp |
-
2019
- 2019-04-21 CN CN201910320923.8A patent/CN111828911A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112178542A (en) * | 2020-10-29 | 2021-01-05 | 江西省昌光照明电气有限公司 | LED lamp with height-adjustable lamp post |
| CN113324211A (en) * | 2021-06-08 | 2021-08-31 | 江苏斯美尔光电集团有限公司 | Street lamp with projection function |
| CN113405058A (en) * | 2021-07-02 | 2021-09-17 | 江苏时新景观照明有限公司 | Street lamp bracket and street lamp |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20201027 |