CN111115385A - Cable winding device with adjustable circumference - Google Patents
Cable winding device with adjustable circumference Download PDFInfo
- Publication number
- CN111115385A CN111115385A CN202010043784.1A CN202010043784A CN111115385A CN 111115385 A CN111115385 A CN 111115385A CN 202010043784 A CN202010043784 A CN 202010043784A CN 111115385 A CN111115385 A CN 111115385A
- Authority
- CN
- China
- Prior art keywords
- cavity
- bevel gear
- lifting
- side wall
- chamber
- 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.)
- Withdrawn
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/40—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material mobile or transportable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/34—Handled filamentary material electric cords or electric power cables
Landscapes
- Vehicle Step Arrangements And Article Storage (AREA)
Abstract
The invention discloses a circumference-adjustable cable winding device, which comprises a vehicle body, wherein a belt wheel cavity is arranged in the vehicle body, a circular cavity is arranged on the upper side of the belt wheel cavity, lifting cavities are symmetrically arranged on the left side wall and the right side wall of the circular cavity, a bevel gear cavity is arranged in an upper connecting block, a contraction cavity is arranged on the bottom wall of a sliding cavity, a transmission motor is started to drive the transmission motor to rotate, so that a first bevel gear is driven to rotate, then a second bevel gear of a belt is driven to rotate, then a bevel gear shaft is driven to rotate, each sliding block is driven to drive a fixed block to be far away from the center of the upper connecting block, and further the winding radius is enlarged until the required radius size is met.
Description
Technical Field
The invention relates to the field of cables, in particular to a circumference-adjustable cable winding device.
Background
At present, with the development of society and the continuous progress of national infrastructure, circuit construction plays an important role, but after a used large-scale cable is used, the residual waste materials are usually manually wound by workers, the winding mode not only wastes time, but also greatly wastes the physical strength of workers, and most of the existing cable winding devices cannot be changed according to the required cable size, so that a cable winding device with adjustable circumference needs to be invented.
Disclosure of Invention
The present invention is directed to a cable winding device with adjustable circumference, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a circumference-adjustable cable winding device comprises a vehicle body, wherein a belt wheel cavity is arranged in the vehicle body, a circular cavity is arranged on the upper side of the belt wheel cavity, lifting cavities are symmetrically arranged on the left side wall and the right side wall of the circular cavity, and a lifting device is arranged between the lifting cavities and the belt wheel cavity;
the lifting device comprises a lifting motor fixedly arranged on the bottom wall of the right side of the belt wheel cavity, the upper side of the lifting motor is in power connection with a lifting shaft rotationally connected with the top wall of the belt wheel cavity, the lifting shaft extends upwards to penetrate through the top wall of the belt wheel cavity to enter the right side of the lifting cavity and is rotationally connected with the upper side wall and the lower side wall of the lifting cavity on the right side, the upper side wall and the lower side wall of the left side of the belt wheel cavity are rotationally connected with an auxiliary shaft corresponding to the lifting shaft, the auxiliary shaft extends upwards to penetrate through the top wall of the belt wheel cavity to enter the left side of the lifting cavity and is rotationally connected with the upper side wall and the lower side wall of the lifting cavity on the left side, belt wheels are fixedly arranged on the auxiliary shaft and the lifting shaft in a left-right symmetry manner, a belt is connected between the two belt, each lifting block is internally provided with a small roller cavity, the top wall of each small roller cavity is provided with an opening cavity, the left side wall and the right side wall of each small roller cavity are rotatably connected with a small roller shaft, each small roller shaft is fixedly provided with a small roller, two small rollers are abutted with a rotating block which is in sliding connection with the inner wall of the opening cavity, and the rotating block is internally provided with an internal cavity;
circular chamber diapire has set firmly the winding motor, winding motor upside power be connected with inside intracavity wall sliding connection's winding axle, the epaxial sliding key that sets firmly with inside intracavity wall sliding connection of winding, the turning block upside has set firmly last joint block, upward be equipped with the bevel gear chamber in the joint block, with the bevel gear chamber is equipped with six array chambeies for central circular array, array chamber diapire is equipped with the slip chamber, the slip chamber diapire is equipped with the shrink chamber, the shrink chamber with be equipped with the adjusting device of the fixed diameter of adjustment between the bevel gear chamber, automobile body bottom surface array is equipped with the array chamber, be equipped with the mobile device in the array chamber.
Preferably, the adjusting device comprises a transmission motor fixedly arranged on the bottom wall of the lifting cavity, the upper side of the transmission motor is in power connection with a transmission motor which is rotationally connected with the top wall of the bevel gear cavity, the transmission motor is fixedly provided with a first bevel gear, each bevel gear shaft is rotatably connected between two horizontal side walls of the array cavity, each bevel gear axially corresponds to one side wall of the array cavity, which is close to the bevel gear cavity, extends into the bevel gear cavity and is rotatably connected with the outer side wall of the bevel gear cavity, each bevel gear shaft is fixedly provided with a second bevel gear meshed with the first bevel gear in the bevel gear cavity, each bevel gear shaft is in threaded connection with a sliding block in sliding connection in the sliding cavity, the lower side of each sliding block is fixedly provided with a fixed block for fixing an inner ring wound by a cable, and each fixed block is fixedly provided with friction rubber.
Preferably, the moving device comprises large roller shafts which are rotatably connected to the front side wall and the rear side wall of each array cavity, and each large roller shaft is fixedly provided with a large roller for moving.
Preferably, a pushing handle is fixedly arranged on the right side of the vehicle body.
In conclusion, the beneficial effects of the invention are as follows: compared with the existing mode of manually winding the cable by manpower, the cable winding machine disclosed by the invention has the advantages that the winding time and the physical strength of workers are greatly saved by winding through the electric device, and on the other hand, compared with other winding machines, the cable winding machine disclosed by the invention can be changed according to the requirements of winding sizes of different cables, so that the winding adaptability is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic overall sectional front view of a cable winding device with adjustable circumference according to the present invention;
FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1 in accordance with the present invention;
FIG. 4 is a cross-sectional view taken along line C-C of FIG. 1 in accordance with the present invention;
fig. 5 is a cross-sectional view taken along the direction D-D of fig. 1 in accordance with the present invention.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations where mutually exclusive features or steps are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
The invention will now be described in detail with reference to fig. 1-5, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
Referring to fig. 1-5, an embodiment of the present invention is shown: the utility model provides a cable wind of adjustable circumference, includes automobile body 20, be equipped with pulley chamber 21 in the automobile body 20, pulley chamber 21 upside is equipped with circular chamber 55, circular chamber 55 bilateral wall symmetry is equipped with lift chamber 24, lift chamber 24 with be equipped with elevating gear 101 between the pulley chamber 21, elevating gear 101 includes fixed mounting in pulley chamber 21 right side diapire elevator motor 42, elevator motor 42 upside power connection have with the lift axle 56 that the pulley chamber 21 roof rotates even, lift axle 56 upwards extends to run through the roof of pulley chamber 21 gets into right side in the lift chamber 24 and with the right side the last lower wall of lift chamber 24 rotates to be connected, pulley chamber 21 left side lower wall rotates to be connected with the corresponding countershaft 22 of lift axle 56, countershaft 22 upwards extends to run through the roof of pulley chamber 21 gets into the left side in the lift chamber 24 and with the left side the last lower wall of lift chamber 24 rotates to be connected with The auxiliary shaft 22 and the lifting shaft 56 are provided with belt wheels 40 symmetrically and fixedly on the left and right, a belt 41 is connected between the two belt wheels 40, the auxiliary shaft 22 and the lifting shaft 56 are in threaded connection with lifting blocks 23 corresponding to the inner wall of the lifting cavity 24 in a sliding manner in the lifting cavity 24, each lifting block 23 is provided with a small roller cavity 49, the top wall of each small roller cavity 49 is provided with an opening cavity 47, the left and right side walls of each small roller cavity 49 are rotatably connected with small roller shafts 48, each small roller shaft 48 is provided with a small roller 50, two small rollers 50 are abutted against a rotating block 25 connected with the inner wall of the opening cavity 47 in a sliding manner, an inner cavity 38 is arranged in the rotating block 25, the bottom wall of the circular cavity 55 is provided with a winding motor 45, the upper side of the winding motor 45 is dynamically connected with a winding shaft 46 connected with the inner wall of the inner cavity 38, set firmly on the winding axle 46 with inside chamber 38 inner wall sliding connection's feather key 44, the turning block 25 upside has set firmly connects piece 26, upward be equipped with bevel gear chamber 34 in the connecting piece 26, with bevel gear chamber 34 is equipped with six array chamber 51 for central circular array, array chamber 51 diapire is equipped with sliding chamber 29, sliding chamber 29 diapire is equipped with shrink chamber 57, shrink chamber 57 with be equipped with the adjusting device 102 of the fixed diameter of adjustment between the bevel gear chamber 34, automobile body 20 bottom surface array is equipped with array chamber 51, be equipped with mobile device 103 in the array chamber 51.
In addition, in one embodiment, the adjusting device 102 includes a transmission motor 37 fixedly installed on the bottom wall of the lifting cavity 24, a transmission motor 35 rotatably connected to the top wall of the bevel gear cavity 34 is connected to the upper side of the transmission motor 37, a first bevel gear 36 is fixedly installed on the transmission motor 35, a bevel gear shaft 30 is rotatably connected between two horizontal side walls of each array cavity 51, each bevel gear shaft 30 extends into the bevel gear cavity 34 to correspond to one side wall of the array cavity 51 close to the bevel gear cavity 34 and is rotatably connected to the outer side wall of the bevel gear cavity 34, each bevel gear shaft 30 is fixedly installed in the bevel gear cavity 34 with a second bevel gear 33 engaged with the first bevel gear 36, a slide block 32 slidably connected in the slide cavity 29 is threadedly connected to each bevel gear shaft 30, the lower side of each sliding block 32 is fixedly provided with a fixed block 27 for fixing a cable winding inner ring, each fixed block 27 is fixedly provided with friction rubber 28, according to the requirements of different cable winding inner rings, the transmission motor 37 can be opened, the transmission motor 35 is further driven to rotate, the first bevel gear 36 is driven to rotate, then the second bevel gear 33 of the belt rotates, the bevel gear shaft 30 is driven to rotate, each sliding block 32 is further driven to drive the fixed block 27 to be far away from the center of the upper connecting block 26, the winding radius is further enlarged until the required radius size is met, then a winding wheel is sleeved on the fixed block 27, and the friction force is increased through the friction rubber 28.
In addition, in one embodiment, the moving device 103 includes a large roller shaft 53 rotatably connected to the front and rear side walls of each array chamber 51, and a large roller 52 for moving is fixedly arranged on each large roller shaft 53.
In addition, in one embodiment, a pushing handle 39 is fixedly arranged on the right side of the vehicle body 20, and the pushing handle 39 is pushed to drive the vehicle body 20 to move at any time.
In the initial state, the rotating block 25 is retracted in the circular cavity 55, the fixed block 27 is retracted in the retraction cavity 57, the sliding block 32 is on the side closest to the bevel gear cavity 34, and the lifting block 23 is on the lowest side of the lifting cavity 24.
When the cable needs to be wound, the pushing handle 39 is pushed, so that the vehicle body 20 is pushed to move to a required position, then the lifting motor 42 is turned on, so that the lifting shaft 56 is driven to rotate, then the auxiliary shaft 22 is driven to rotate through the belt pulley 40, then the two lifting blocks 23 are controlled to drive the rotating block 25 to ascend, then the transmission motor 37 is turned on, further the transmission motor 35 is driven to rotate, so that the first bevel gear 36 is driven to rotate, then the second bevel gear 33 of the belt is driven to rotate, so that the bevel gear shaft 30 is driven to rotate, further each sliding block 32 is driven to drive the fixed block 27 to be far away from the center of the upper connecting block 26, further the winding radius is enlarged until the required radius size is met, then the winding wheel is sleeved on the fixed block 27, the friction force is increased through the friction rubber 28, the cable ring is installed on the fixed block 27, thereby driving the rotating block 25 to rotate, and driving the cable coil to rotate to wind the cable.
The invention has the beneficial effects that: compared with the existing mode of manually winding the cable by manpower, the cable winding machine disclosed by the invention has the advantages that the winding time and the physical strength of workers are greatly saved by winding through the electric device, and on the other hand, compared with other winding machines, the cable winding machine disclosed by the invention can be changed according to the requirements of winding sizes of different cables, so that the winding adaptability is improved.
The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.
Claims (4)
1. The utility model provides a cable wind of adjustable circumference, includes the automobile body, its characterized in that: a belt wheel cavity is arranged in the vehicle body, a circular cavity is arranged on the upper side of the belt wheel cavity, lifting cavities are symmetrically arranged on the left side wall and the right side wall of the circular cavity, and a lifting device is arranged between the lifting cavities and the belt wheel cavity;
the lifting device comprises a lifting motor fixedly arranged on the bottom wall of the right side of the belt wheel cavity, the upper side of the lifting motor is in power connection with a lifting shaft rotationally connected with the top wall of the belt wheel cavity, the lifting shaft extends upwards to penetrate through the top wall of the belt wheel cavity to enter the right side of the lifting cavity and is rotationally connected with the upper side wall and the lower side wall of the lifting cavity on the right side, the upper side wall and the lower side wall of the left side of the belt wheel cavity are rotationally connected with an auxiliary shaft corresponding to the lifting shaft, the auxiliary shaft extends upwards to penetrate through the top wall of the belt wheel cavity to enter the left side of the lifting cavity and is rotationally connected with the upper side wall and the lower side wall of the lifting cavity on the left side, belt wheels are fixedly arranged on the auxiliary shaft and the lifting shaft in a left-right symmetry manner, a belt is connected between the two belt, each lifting block is internally provided with a small roller cavity, the top wall of each small roller cavity is provided with an opening cavity, the left side wall and the right side wall of each small roller cavity are rotatably connected with a small roller shaft, each small roller shaft is fixedly provided with a small roller, two small rollers are abutted with a rotating block which is in sliding connection with the inner wall of the opening cavity, and the rotating block is internally provided with an internal cavity;
circular chamber diapire has set firmly the winding motor, winding motor upside power be connected with inside intracavity wall sliding connection's winding axle, the epaxial sliding key that sets firmly with inside intracavity wall sliding connection of winding, the turning block upside has set firmly last joint block, upward be equipped with the bevel gear chamber in the joint block, with the bevel gear chamber is equipped with six array chambeies for central circular array, array chamber diapire is equipped with the slip chamber, the slip chamber diapire is equipped with the shrink chamber, the shrink chamber with be equipped with the adjusting device of the fixed diameter of adjustment between the bevel gear chamber, automobile body bottom surface array is equipped with the array chamber, be equipped with the mobile device in the array chamber.
2. An adjustable circumference cable winding apparatus as claimed in claim 1, wherein: the adjusting device comprises a transmission motor fixedly arranged on the bottom wall of the lifting cavity, the upper side of the transmission motor is in power connection with a transmission motor rotationally connected with the top wall of the bevel gear cavity, the transmission motor is fixedly provided with a first bevel gear, each bevel gear shaft is rotatably connected between two horizontal side walls of the array cavity, each bevel gear axially corresponds to one side wall of the array cavity, which is close to the bevel gear cavity, extends into the bevel gear cavity and is rotatably connected with the outer side wall of the bevel gear cavity, each bevel gear shaft is fixedly provided with a second bevel gear meshed with the first bevel gear in the bevel gear cavity, each bevel gear shaft is in threaded connection with a sliding block in sliding connection in the sliding cavity, the lower side of each sliding block is fixedly provided with a fixed block for fixing an inner ring wound by a cable, and each fixed block is fixedly provided with friction rubber.
3. An adjustable circumference cable winding apparatus as claimed in claim 1, wherein: the moving device comprises large roller shafts which are rotatably connected to the front side wall and the rear side wall of each array cavity, and each large roller shaft is fixedly provided with a large roller for moving.
4. An adjustable circumference cable winding apparatus as claimed in claim 1, wherein: the right side of the vehicle body is fixedly provided with a pushing handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010043784.1A CN111115385A (en) | 2020-01-15 | 2020-01-15 | Cable winding device with adjustable circumference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010043784.1A CN111115385A (en) | 2020-01-15 | 2020-01-15 | Cable winding device with adjustable circumference |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111115385A true CN111115385A (en) | 2020-05-08 |
Family
ID=70489509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010043784.1A Withdrawn CN111115385A (en) | 2020-01-15 | 2020-01-15 | Cable winding device with adjustable circumference |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111115385A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115781724A (en) * | 2023-02-13 | 2023-03-14 | 新雅电线电缆(深圳)有限公司 | Manipulator is transported in cable production |
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| CN206827825U (en) * | 2017-06-26 | 2018-01-02 | 潍坊三江塑胶制品有限公司 | The adjustable chuck of soft tube winding |
| CN108706410A (en) * | 2018-05-23 | 2018-10-26 | 雷明光 | A kind of two-way speed biography winding device of emergency cable |
| CN109399403A (en) * | 2018-10-29 | 2019-03-01 | 国网河南省电力公司新郑市供电公司 | The universal positioning system of cable for the information transmission system |
| CN208932696U (en) * | 2018-10-09 | 2019-06-04 | 吴江市东风电工器材有限公司 | A kind of electrical contact adjustable disk line device of disk linear diameter |
| CN109850696A (en) * | 2018-11-27 | 2019-06-07 | 国网山东省电力公司烟台供电公司 | A kind of dress table wiring actinobacillus device |
| CN209536701U (en) * | 2019-02-19 | 2019-10-25 | 即墨市华信五金厂 | A kind of electric wire drum |
| CN110654942A (en) * | 2019-10-03 | 2020-01-07 | 王佳宝 | Adjustable rotary labor-saving take-up reel |
-
2020
- 2020-01-15 CN CN202010043784.1A patent/CN111115385A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206827825U (en) * | 2017-06-26 | 2018-01-02 | 潍坊三江塑胶制品有限公司 | The adjustable chuck of soft tube winding |
| CN108706410A (en) * | 2018-05-23 | 2018-10-26 | 雷明光 | A kind of two-way speed biography winding device of emergency cable |
| CN208932696U (en) * | 2018-10-09 | 2019-06-04 | 吴江市东风电工器材有限公司 | A kind of electrical contact adjustable disk line device of disk linear diameter |
| CN109399403A (en) * | 2018-10-29 | 2019-03-01 | 国网河南省电力公司新郑市供电公司 | The universal positioning system of cable for the information transmission system |
| CN109850696A (en) * | 2018-11-27 | 2019-06-07 | 国网山东省电力公司烟台供电公司 | A kind of dress table wiring actinobacillus device |
| CN209536701U (en) * | 2019-02-19 | 2019-10-25 | 即墨市华信五金厂 | A kind of electric wire drum |
| CN110654942A (en) * | 2019-10-03 | 2020-01-07 | 王佳宝 | Adjustable rotary labor-saving take-up reel |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115781724A (en) * | 2023-02-13 | 2023-03-14 | 新雅电线电缆(深圳)有限公司 | Manipulator is transported in cable production |
| CN115781724B (en) * | 2023-02-13 | 2023-04-07 | 新雅电线电缆(深圳)有限公司 | Manipulator is transported in cable production |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200508 |