CN111964329A - Refrigerator capable of automatically defrosting - Google Patents
Refrigerator capable of automatically defrosting Download PDFInfo
- Publication number
- CN111964329A CN111964329A CN202010916928.XA CN202010916928A CN111964329A CN 111964329 A CN111964329 A CN 111964329A CN 202010916928 A CN202010916928 A CN 202010916928A CN 111964329 A CN111964329 A CN 111964329A
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- China
- Prior art keywords
- transmission shaft
- fixedly arranged
- refrigerator
- bevel gear
- transmission
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
- F25D21/065—Removing frost by mechanical means
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Refrigerator Housings (AREA)
Abstract
The invention discloses a refrigerator capable of automatically defrosting, which comprises a refrigerator shell, wherein a working cavity with an opening at the right side is arranged in the refrigerator shell, a refrigerator drawer capable of sliding left and right is arranged on the inner wall of the lower side of the working cavity, defrosting components are arranged on the left and right sides of the refrigerator drawer, the defrosting assembly comprises nine first transmission shafts which are arranged in a rectangular array and are rotationally connected with the left end and the right end of the refrigerator drawer, and brushes which are fixedly arranged on the first transmission shafts, automatically defrost the inner wall of the refrigerator, prevent the refrigerator from being frosted too much to cause poor refrigeration effect or influence the use, and in the process of moving out the refrigerator drawer rightwards, the brush moving out to the outside can be stopped rotating, the rotating brush is prevented from being damaged due to mistaken touch of other objects, and meanwhile, the condition of accidental injury of personnel can be prevented.
Description
Technical Field
The invention relates to the technical field of refrigerators, in particular to a refrigerator capable of automatically defrosting.
Background
The defrosting of the air conditioner means that the air conditioner has the possibility of frosting during both cooling and heating, and if the air conditioner is not defrosted in time after frosting, the use of the air conditioner is affected. Most refrigerators in the market at present do not have an automatic defrosting function, and after the refrigerators are used for a period of time, the problems that the refrigeration effect is poor, the refrigerators are inconvenient to use and the like are often caused by a large amount of frosting.
Disclosure of Invention
The invention aims to provide a refrigerator capable of automatically defrosting, which is used for overcoming the defects in the prior art.
The refrigerator capable of automatically defrosting comprises a refrigerator shell, wherein a working cavity with an opening at the right side is arranged in the refrigerator shell, a refrigerator drawer capable of sliding left and right is arranged on the inner wall of the lower side of the working cavity, defrosting assemblies are arranged on the left and right sides of the refrigerator drawer, each defrosting assembly comprises nine first transmission shafts which are arranged in a rectangular array mode and are rotatably connected to the left end and the right end of the refrigerator drawer, brushes fixedly arranged on the first transmission shafts, two groups of transmission assemblies are further arranged in the working cavity, each group of transmission assemblies further comprises three sliding support plates which are slidably connected to the inner wall of the lower side of the working cavity from left to right and fixedly connected with the lower end of the refrigerator drawer, fixing blocks fixedly arranged at the upper ends of the sliding support plates, a horizontal support fixedly arranged at one end, close to the symmetrical center, of the fixing blocks, a second transmission shaft rotatably, The main shaft coupler is fixedly arranged on the second transmission shaft, the three fixed support plates are slidably connected to the inner wall of the lower side of the working cavity and are positioned close to the symmetric center of the sliding support plates, each fixed support plate can be abutted against the corresponding sliding support plate, the inner thread block is fixedly arranged at the upper end of each fixed support plate, the third transmission shaft is rotatably connected to the right end of the inner thread block, and the auxiliary shaft coupler is fixedly arranged at the right end of the third transmission shaft and can be connected with the main shaft coupler in a matched mode.
Preferably, the inner wall of the lower side of the working cavity is fixedly provided with a fixed support, the fixed support is symmetrically embedded with two motors in the front and back direction, the power of the right end of each motor is connected with a fourth transmission shaft, and the fourth transmission shaft can transmit the power of the motors.
The defrosting assembly further comprises a rotating shaft support fixedly arranged on the left and right sides of the refrigerator drawer and positioned on the upper side of each first transmission shaft, the lower end of each rotating shaft support is rotatably connected with a fifth transmission shaft, a first bevel gear is fixedly arranged on each fifth transmission shaft, a second bevel gear meshed with the first bevel gear is fixedly arranged on each first transmission shaft, a first belt wheel positioned on the upper side of the first bevel gear is fixedly arranged on each fifth transmission shaft, the lower end of each rotating shaft support is rotatably connected with a sixth transmission shaft positioned on the left side of the fifth transmission shaft, the sixth transmission shaft extends downwards and is rotatably connected with the corresponding rotating shaft supports, a second belt wheel positioned on the left side of the corresponding first belt wheel is fixedly arranged on each sixth transmission shaft, and a connecting belt is connected between each second belt wheel and the corresponding first belt wheel.
Wherein, the transmission assembly also comprises a seventh transmission shaft which is rotationally connected with the fixed block and extends forwards and backwards, a third bevel gear is fixedly arranged on the seventh transmission shaft which is positioned on one side of the seventh transmission shaft away from the symmetry center, a fourth bevel gear which is engaged and connected with the corresponding third bevel gear is fixedly arranged at the lower end of the sixth transmission shaft, a fifth bevel gear is fixedly arranged on the seventh transmission shaft which is positioned on one side of the fixed block close to the symmetry center, a sixth bevel gear which is positioned on the right side of the main coupling and engaged and connected with the fifth bevel gear is fixedly arranged on the second transmission shaft, a third belt pulley which is positioned on the left side of the auxiliary coupling is fixedly arranged on the third transmission shaft, a matching support is fixedly arranged at one end of the fixed support plate close to the symmetry center, and an eighth transmission shaft which extends leftwards and rightwards and rotationally and is connected with the fourth spline transmission shaft, lie in the cooperation support is left the eighth transmission epaxial has set firmly the fourth band pulley, the fourth band pulley with be connected with driving belt between the third band pulley, the last rotation of fixed bolster be connected with extend right and with the internal thread portion threaded connection's of internal thread piece ninth transmission shaft, fixed bolster right-hand member rotating tube be connected with extend right and with ninth transmission shaft frictional connection's tenth transmission shaft, the last linkage gear that has set firmly of tenth transmission shaft, and adjacent intermeshing connects between the linkage gear, set firmly the power gear who connects with the linkage gear meshing that is closest to symmetry center one side on the fourth transmission shaft, working chamber downside inner wall set firmly can with the rightmost side the stopper of fixed extension board butt.
The invention has the beneficial effects that: the invention can control the refrigerator drawer to move out rightwards and reset leftwards, automatically defrost the inner wall of the refrigerator, prevent the refrigerator from frosting too much to cause the deterioration of the refrigeration effect or influence the use, and can stop the brush moving out to the outside to stop rotating in the process of moving out the refrigerator drawer rightwards, prevent the rotating brush from being damaged due to the accidental touch of other objects, and simultaneously prevent the accidental injury of personnel.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of an overall structure of an automatic defrosting refrigerator according to the present invention;
FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;
FIG. 3 is a schematic view of the structure in the direction "B-B" of FIG. 1;
FIG. 4 is a schematic view of the structure in the "C-C" direction of FIG. 2;
fig. 5 is a schematic enlarged view of the structure of "D" of fig. 3.
Detailed Description
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 to 5, the refrigerator capable of automatically defrosting according to the embodiment of the present invention includes a refrigerator housing 11, a working chamber 12 with an opening at the right side is arranged in the refrigerator housing 11, a refrigerator drawer 13 capable of sliding left and right is arranged on the inner wall of the lower side of the working chamber 12, defrosting assemblies 901 are arranged on the left and right sides of the refrigerator drawer 13, each defrosting assembly 901 includes nine first transmission shafts 16 rotatably connected to the left and right ends of the refrigerator drawer 13 in a rectangular array arrangement, brushes 15 fixedly arranged on the first transmission shafts 16, when the refrigerator drawer 13 is pulled out to the right, the rotating first transmission shafts 16 can defrost the inner wall of the working chamber 12, two sets of transmission assemblies 902 are further arranged in the working chamber 12, each set of transmission assemblies 902 further includes three sliding support plates 25 fixedly connected to the lower end of the refrigerator drawer 13 and slidably connected to the inner wall of the lower side of the working chamber 12 from the left to the right, A fixed block 26 fixedly arranged at the upper end of the sliding support plate 25, a horizontal bracket 43 fixedly arranged at one end of the fixed block 26 close to the symmetry center, a second transmission shaft 44 rotatably connected to the left end of the horizontal bracket 43, a main shaft coupler 40 fixedly arranged on the second transmission shaft 44, three fixed support plates 55 slidably connected to the inner wall of the lower side of the working chamber 12 and positioned at the position of the sliding support plate 25 close to the symmetry center, each fixed support plate 55 can be abutted against the corresponding sliding support plate 25, an internal thread block 38 fixedly arranged at the upper end of the fixed support plate 55, a third transmission shaft 39 rotatably connected to the right end of the internal thread block 38, an auxiliary coupling 45 fixedly arranged at the right end of the third transmission shaft 39 and capable of being matched and connected with the main coupling 40, when the auxiliary coupling 45 is connected with the corresponding main coupling 40, the defrosting assembly 901 has working power.
Beneficially, a fixed support 35 is fixedly arranged on the inner wall of the lower side of the working chamber 12, two motors 53 are symmetrically embedded in the fixed support 35 in a front-back manner, a fourth transmission shaft 52 is in power connection with the right end of each motor 53, and the power of the motors 53 can be transmitted out through the fourth transmission shaft 52.
According to the embodiment, the defrosting assembly 901 will be described in detail below, the defrosting assembly 901 further includes a rotating shaft support 14 fixedly disposed on the left and right of the refrigerator drawer 13 and located on the upper side of each first transmission shaft 16, a fifth transmission shaft 27 is rotatably connected to the lower end of the rotating shaft support 14, a first bevel gear 20 is fixedly disposed on the fifth transmission shaft 27, a second bevel gear 18 engaged with the first bevel gear 20 is fixedly disposed on the first transmission shaft 16, a first pulley 29 located on the upper side of the first bevel gear 20 is fixedly disposed on the fifth transmission shaft 27, a sixth transmission shaft 21 located on the left side of the fifth transmission shaft 27 is rotatably connected to the lower end of the rotating shaft support 14, the sixth transmission shaft 21 extends downward and is rotatably connected to the other corresponding rotating shaft supports 14, a second pulley 19 located on the left side of the corresponding first pulley 29 is fixedly disposed on the sixth transmission shaft 21, a connecting belt 28 is connected between the second belt wheel 19 and the corresponding first belt wheel 29.
According to the embodiment, the transmission assembly 902 is described in detail below, the transmission assembly 902 further includes a seventh transmission shaft 24 rotatably connected to the fixed block 26 and extending forward and backward, the seventh transmission shaft 24 located on a side of the seventh transmission shaft 24 away from the symmetry center is fixedly provided with a third bevel gear 22, a lower end of the sixth transmission shaft 21 is fixedly provided with a fourth bevel gear 23 engaged with the third bevel gear 22, the seventh transmission shaft 24 located on a side of the fixed block 26 close to the symmetry center is fixedly provided with a fifth bevel gear 42, the second transmission shaft 44 is fixedly provided with a sixth bevel gear 41 located on a right side of the main coupling 40 and engaged with the fifth bevel gear 42, the third transmission shaft 39 is fixedly provided with a third pulley 46 located on a left side of the auxiliary coupling 45, one end of the fixed support plate 55 close to the symmetry center is fixedly provided with a matching bracket 48, an eighth transmission shaft 50 which extends left and right and is in spline connection with the fourth transmission shaft 52 is rotatably connected to the matching bracket 48, a fourth belt wheel 49 is fixedly arranged on the eighth transmission shaft 50 positioned at the left side of the matching bracket 48, a transmission belt 47 is connected between the fourth belt wheel 49 and the third belt wheel 46, a ninth transmission shaft 37 which extends rightwards and is in threaded connection with the internal thread part of the internal thread block 38 is rotatably connected to the fixed bracket 35, a tenth transmission shaft 54 extending rightwards and frictionally connected with the ninth transmission shaft 37 is connected to the right rotating pipe of the fixed bracket 35, a linkage gear 36 is fixedly arranged on the tenth transmission shaft 54, and the adjacent linkage gears 36 are meshed with each other, a power gear 51 meshed with the linkage gear 36 closest to the symmetrical center is fixedly arranged on the fourth transmission shaft 52, and a limiting block 17 which can be abutted against the rightmost fixed support plate 55 is fixedly arranged on the inner wall of the lower side of the working cavity 12.
In the initial state, the refrigerator drawer 13 is at the left extreme position, and each main coupling 40 is in fit connection with the sub-coupling 45.
When the refrigerator needs to be opened, the front and rear side motors 53 are started to enable the front and rear side fourth transmission shafts 52 to rotate, the rotating fourth transmission shafts 52 drive the third transmission shafts 39 to rotate through the eighth transmission shafts 50, the fourth belt pulleys 49, the transmission belts 47 and the third belt pulleys 46, the rotating third transmission shafts 39 drive the auxiliary shaft couplers 45 to rotate, the rotating fourth transmission shafts 52 drive the ninth transmission shafts 37 closest to the symmetrical center side to rotate through the power gears 51 and the linkage gears 36 closest to the symmetrical center side, so that each ninth transmission shaft 37 rotates under the meshing connection of the adjacent linkage gears 36, the rotating ninth transmission shafts 37 drive each fixed support plate 55 to move rightwards through the internal thread blocks 38, the fixed support plates 55 moving rightwards drive the sliding support plates 25 to move rightwards, and at the moment, the rotating auxiliary shaft couplers 45 sequentially pass through the main shaft coupler 40, the second transmission shafts 44 and the sixth bevel gears 41, The fifth bevel gear 42 drives the seventh transmission shaft 24 to rotate, the rotating seventh transmission shaft 24 drives the sixth transmission shaft 21 to rotate sequentially through the third bevel gear 22 and the fourth bevel gear 23, the rotating sixth transmission shaft 21 drives the first bevel gear 20 to rotate sequentially through the second belt pulley 19, the connecting belt 28, the first belt pulley 29 and the fifth transmission shaft 27, the rotating first bevel gear 20 drives the brushes 15 to rotate sequentially through the second bevel gear 18 and the first transmission shaft 16, each rotating brush 15 brushes away ice possibly existing on the inner wall of the refrigerator in the process of moving rightwards, when the rightmost fixed support plate 55 is abutted against the left end of the limiting block 17, the friction force between the tenth transmission shaft 54 closest to the symmetry center and the ninth transmission shaft 37 closest to the symmetry center is not enough to drive the corresponding ninth transmission shaft 37 to rotate, so that the rightmost fixed support plate 55 does not move rightwards any more, at the moment, the corresponding sliding support plate 25 still moves rightwards, so that the rightmost main coupling 40 and the rightmost auxiliary coupling 45 are not matched and connected any more, the rightmost brush 15 does not rotate any more, the situation that when the refrigerator drawer 13 moves out to the outside, the brush 15 still rotates and touches other objects to be damaged is prevented, similarly, when the middle fixing support plate 55 moves rightwards, when the refrigerator drawer 13 moves to the right limit position, the two brushes 15 on the right side do not rotate any more, and the brush 15 on the leftmost side does not move out to the outside and still rotates; when the refrigerator drawer 13 needs to be reset leftwards, the motor 53 is started reversely, the refrigerator drawer 13 is reset leftwards, the two brushes 15 on the right side are connected with the corresponding auxiliary shaft couplers 45 and the corresponding main shaft couplers 40 in a matched mode, power is provided again, and when the refrigerator drawer 13 is reset leftwards, the motor 53 is turned off.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. The utility model provides a but refrigerator of automatic defrosting, includes refrigerator shell, be equipped with right side open-ended working chamber in the refrigerator shell, but working chamber downside inner wall is equipped with horizontal slip's refrigerator drawer, its characterized in that: the defrosting assemblies comprise nine first transmission shafts and brushes, wherein the nine first transmission shafts are arranged in a rectangular array mode and are rotatably connected to the left end and the right end of the refrigerator drawer, and the brushes are fixedly arranged on the first transmission shafts; two groups of transmission components are also arranged in the working cavity, each group of transmission components also comprises three sliding support plates which are connected with the inner wall of the lower side of the working cavity in a sliding way from left to right and are fixedly connected with the lower end of the refrigerator drawer, a fixed block which is fixedly arranged at the upper end of the sliding support plate, a horizontal support which is fixedly arranged at one end of the fixed block close to the symmetry center, a second transmission shaft which is rotatably connected with the left end of the horizontal support, a main shaft coupler which is fixedly arranged on the second transmission shaft, and three fixed support plates which are connected with the inner wall of the lower side of the working cavity in a sliding way and are, each fixed support plate can be abutted against the corresponding sliding support plate, an internal thread block fixedly arranged at the upper end of the fixed support plate, a third transmission shaft rotatably connected to the right end of the internal thread block, and an auxiliary coupler fixedly arranged at the right end of the third transmission shaft and capable of being matched and connected with the main coupler.
2. The refrigerator of claim 1, wherein: the inner wall of the lower side of the working cavity is fixedly provided with a fixed support, the fixed support is symmetrically embedded with two motors in the front and back direction, the right end of each motor is in power connection with a fourth transmission shaft, and the fourth transmission shaft can transmit the power of the motors.
3. The refrigerator of claim 1, wherein: the defrosting assembly further comprises a rotating shaft support fixedly arranged on the left and right sides of the refrigerator drawer and located on the upper side of each first transmission shaft, the lower end of each rotating shaft support is rotatably connected with a fifth transmission shaft, a first bevel gear is fixedly arranged on each fifth transmission shaft, a second bevel gear meshed with the first bevel gear is fixedly arranged on each first transmission shaft, a first belt wheel located on the upper side of the first bevel gear is fixedly arranged on each fifth transmission shaft, the lower end of each rotating shaft support is rotatably connected with a sixth transmission shaft located on the left side of the fifth transmission shaft, the sixth transmission shaft extends downwards and corresponds to the rotating shaft supports in a rotating mode, a second belt wheel located on the left side of the corresponding first belt wheel is fixedly arranged on each sixth transmission shaft, and a connecting belt is connected between each second belt wheel and the corresponding first belt wheel.
4. The refrigerator of claim 1, wherein: the transmission assembly further comprises a seventh transmission shaft which is rotatably connected with the fixed block and extends forwards and backwards, a third bevel gear is fixedly arranged on the seventh transmission shaft which is positioned on one side of the seventh transmission shaft, which is far away from the symmetry center, a fourth bevel gear which is meshed with the third bevel gear is fixedly arranged at the lower end of the sixth transmission shaft, a fifth bevel gear is fixedly arranged on the seventh transmission shaft which is positioned on one side of the fixed block, which is close to the symmetry center, a sixth bevel gear which is positioned on the right side of the main coupling and is meshed with the fifth bevel gear is fixedly arranged on the second transmission shaft, a third belt pulley which is positioned on the left side of the auxiliary coupling is fixedly arranged on the third transmission shaft, a matching support is fixedly arranged at one end, which is close to the symmetry center, of the fixed support plate, and an eighth transmission shaft which extends leftwards and rightwards and is connected with the fourth, lie in the cooperation support is left the eighth transmission epaxial has set firmly the fourth band pulley, the fourth band pulley with be connected with driving belt between the third band pulley, the last rotation of fixed bolster be connected with extend right and with the internal thread portion threaded connection's of internal thread piece ninth transmission shaft, fixed bolster right-hand member rotating tube be connected with extend right and with ninth transmission shaft frictional connection's tenth transmission shaft, the last linkage gear that has set firmly of tenth transmission shaft, and adjacent intermeshing connects between the linkage gear, set firmly the power gear who connects with the linkage gear meshing that is closest to symmetry center one side on the fourth transmission shaft, working chamber downside inner wall set firmly can with the rightmost side the stopper of fixed extension board butt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010916928.XA CN111964329A (en) | 2020-09-03 | 2020-09-03 | Refrigerator capable of automatically defrosting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010916928.XA CN111964329A (en) | 2020-09-03 | 2020-09-03 | Refrigerator capable of automatically defrosting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111964329A true CN111964329A (en) | 2020-11-20 |
Family
ID=73392033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010916928.XA Withdrawn CN111964329A (en) | 2020-09-03 | 2020-09-03 | Refrigerator capable of automatically defrosting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111964329A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112556284A (en) * | 2021-01-12 | 2021-03-26 | 成都恒静芊网络科技有限公司 | Energy-saving refrigerator capable of automatically defrosting |
| CN113108536A (en) * | 2021-05-12 | 2021-07-13 | 宁波韩电电器有限公司 | Even cold refrigerator |
| CN113899132A (en) * | 2021-11-18 | 2022-01-07 | 北京理工大学 | Vehicle-mounted refrigerator with reminding function |
-
2020
- 2020-09-03 CN CN202010916928.XA patent/CN111964329A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112556284A (en) * | 2021-01-12 | 2021-03-26 | 成都恒静芊网络科技有限公司 | Energy-saving refrigerator capable of automatically defrosting |
| CN113108536A (en) * | 2021-05-12 | 2021-07-13 | 宁波韩电电器有限公司 | Even cold refrigerator |
| CN113899132A (en) * | 2021-11-18 | 2022-01-07 | 北京理工大学 | Vehicle-mounted refrigerator with reminding function |
| CN113899132B (en) * | 2021-11-18 | 2023-04-21 | 北京理工大学 | Vehicle-mounted refrigerator with reminding function |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201120 |