CN211950086U - Window opener - Google Patents
Window opener Download PDFInfo
- Publication number
- CN211950086U CN211950086U CN201922223244.7U CN201922223244U CN211950086U CN 211950086 U CN211950086 U CN 211950086U CN 201922223244 U CN201922223244 U CN 201922223244U CN 211950086 U CN211950086 U CN 211950086U
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- connecting block
- window
- unit
- shell
- driving unit
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- 230000007246 mechanism Effects 0.000 claims abstract description 43
- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 230000009467 reduction Effects 0.000 claims abstract description 15
- 210000001503 joint Anatomy 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 9
- 230000009471 action Effects 0.000 description 5
- WVHNUGRFECMVLQ-UHFFFAOYSA-N 1,3-dichloro-2-(2,4-dichlorophenyl)benzene Chemical compound ClC1=CC(Cl)=CC=C1C1=C(Cl)C=CC=C1Cl WVHNUGRFECMVLQ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a ware of windowing, include: the device comprises a shell, a slipping unit, a rotating unit and a driving unit, wherein the shell comprises a shell, an end cover and a fixed cover, a framework is arranged in the shell, and a motor and a planetary reduction mechanism which is in driving connection with the motor are fixedly arranged in the framework; the output end of the planetary speed reducing mechanism is provided with a gear transmission mechanism which is used for transmitting the force of the planetary speed reducing mechanism to the slipping unit after the force of the planetary speed reducing mechanism is vertically steered; the slipping unit comprises a first connecting block arranged below the fixed cover and a second connecting block arranged above the fixed cover, and the first connecting block is in butt joint with the second connecting block; or the brake block comprises a second connecting block arranged above the fixed cover and a brake block clamped with the second connecting block; the rotating unit comprises a rotating arm, the rotating arm is fixed on the second connecting block, rotates around the fixed cover and drives the driving unit to move; one end of the driving unit is connected with the rotating unit, the other end of the driving unit is connected with the window sash, and the driving unit drives the window sash to be pushed down or pulled. The window can be opened and closed electrically or manually.
Description
Technical Field
The utility model relates to an intelligence technical field that windows especially relates to a ware of windowing.
Background
The window opener is a machine for opening and closing a window, and in the prior art, the window opener comprises a strut-type window opener, a chain-type window opener, a rack-type window opener and the like, although the window can be electrically opened and closed, the window cannot be manually opened and closed when power failure or faults occur, so that inconvenience is brought to a user.
The prior art lacks a window opener which can open a window electrically and also can open and close the window manually.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve current technical problem, provide a ware of windowing.
In order to solve the above problem, the utility model discloses a technical scheme as follows:
a window opener, comprising: the sliding device comprises a shell, a sliding unit, a rotating unit and a driving unit, wherein the shell comprises a shell, end covers and a fixed cover, the end covers are arranged at two ends of the shell, and the end cover at one side is fixed on a window frame; the fixed cover is arranged on the shell, a framework is arranged in the shell, and a motor and a planetary reduction mechanism in driving connection with the motor are fixedly arranged in the framework; the output end of the planetary speed reducing mechanism is provided with a gear transmission mechanism which is used for transmitting the force of the planetary speed reducing mechanism to the slipping unit after the force of the planetary speed reducing mechanism is vertically steered; the slipping unit comprises a first connecting block arranged below the fixed cover and a second connecting block arranged above the fixed cover, and the first connecting block is in butt joint with the second connecting block; or the brake block comprises a second connecting block arranged above the fixed cover and a brake block clamped with the second connecting block; the rotating unit comprises a rotating arm which is fixed on the second connecting block, rotates around the fixed cover and drives the driving unit to move; one end of the driving unit is connected with the rotating unit, the other end of the driving unit is connected with the window sash, and the driving unit drives the window sash to be pushed or pulled.
Preferably, a boss or a groove is arranged on the first connecting block, a groove or a boss is correspondingly arranged on the second connecting block, and the first connecting block and the second connecting block are butted through the boss and the groove; when the window sash is subjected to push-pull force, the driving unit transmits the force to the rotating arm, and torque is generated on the second connecting block so that the first connecting block is separated from the second connecting block.
Preferably, the first connecting block is provided with a rough end face and is abutted with a rough end face provided on the second connecting block, when the window sash is subjected to push-pull force, the driving unit transmits the force to the rotating arm, and torque is generated on the second connecting block so that the first connecting block and the second connecting block slide relatively.
Preferably, a lateral groove is arranged on the second connecting block, and the lateral groove is connected with a boss of the brake block.
Preferably, the driving unit comprises a rubber wheel and a guide rail; the rubber wheel is arranged at the tail end of the rotating arm and slides in the guide sliding rail; the guide sliding rail is fixed on the window sash.
Preferably, the driving unit comprises a connecting rod, one end of the connecting rod is fixedly connected with the window sash, the other end of the connecting rod is connected with the rotating arm to form a revolute pair, and the revolute pair is used for transmitting force and motion of the rotating arm during rotation to the connecting rod.
Preferably, the single-stage transmission ratio of the planetary speed reducing mechanism is 3-7, 2-6, 100-4000.
Preferably, the planetary reduction mechanism is a four-stage planetary reduction mechanism, the single-stage gear ratio is 6, and the total gear ratio is 1296.
Preferably, the gear transmission mechanism is a bevel gear transmission mechanism, and comprises a small bevel gear, a large bevel gear and a rolling bearing which respectively bear the axial directions of the small bevel gear and the large bevel gear, so as to realize right-angle transmission direction conversion; or, the gear transmission mechanism is a face gear transmission mechanism.
Preferably, the shell is made of aluminum, and a rubber ring is arranged between the shell and the end cover; a rubber ring is arranged between the fixed cover and the second connecting block, and an O-shaped ring is arranged between the second connecting block and the rotating arm; and an electric wire outlet for supplying power to the motor is arranged on the end cover which is not connected with the window frame, and a protective coil is arranged at the outlet.
The utility model has the advantages that: the window opener is provided, a shell, a slipping unit, a rotating unit and a driving unit are sequentially arranged, so that the window can be opened and closed electrically, and the window can be opened and closed manually when a motor cannot work due to power failure or other reasons; furthermore, the utility model provides a ware of windowing compact structure, it is small, transmission efficiency is high, and the energy consumption is low, and water-proof effects is good.
Drawings
Fig. 1 is a schematic structural diagram of a window opener in an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a second window opener in the embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a planetary reduction mechanism in an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a gear transmission mechanism according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a third window opener in the embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a slipping unit in an embodiment of the present invention.
Fig. 7 is a schematic structural diagram of another slipping unit in the embodiment of the present invention.
Fig. 8 is a schematic structural diagram of a fourth window opener in the embodiment of the present invention.
Fig. 9 is a schematic structural diagram of a fifth window opener in the embodiment of the present invention.
Wherein, 1-riveting column, 2-rolling bearing, 3-rubber wheel, 4-guiding slide rail, 5-screw, 6-rotating arm, 7-clamping piece, 8-spring, 9-O-shaped ring, 10-second connecting block, 11-screw, 13-fixing cover, 14-rubber sheet, 15-fixing screw, 16-limiting sleeve, 17-first connecting block, 18-needle bearing, 19-oil bearing, 20-framework, 21-screw, 22-end cover, 23-rubber sheet, 24-rolling bearing, 25-big cone gear, 26-rotating shaft, 27-rolling bearing, 28-small cone gear, 29-output shaft, 30-rolling bearing, 31-screw, 4-32-pressure head, 33-reduction box shell, 34-screw 5, 35-four-stage planet carrier, 36-four-stage planet wheel, 37-three-stage planet carrier, 38-three-stage planet wheel, 39-two-stage planet carrier, 40-two-stage planet wheel, 41-one-stage planet carrier, 42-one-stage planet wheel, 43-sun wheel, 44-gasket, 45-screw, 46-gear fixing seat, 47-screw, 48-motor fixing ring, 49-motor, 50-screw, 51-PCB plate, 52-protective coil, 53-wire, 54-shell, 55-second connecting block, 56-brake block, 57-spring, 58-shaft, 59-sliding bearing, 60-rotating shaft, 61-second connecting block and 62-first connecting block.
Detailed Description
In order to make the technical problem, technical scheme and beneficial effect that the embodiment of the present invention will solve more clearly understand, the following combines the drawings and embodiment, and goes forward the further detailed description of the present invention. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element. In addition, the connection may be for either a fixing function or a circuit connection function.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the embodiments of the present invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
As shown in fig. 1 and 2, a window opener includes: the device comprises a shell, a slipping unit, a rotating unit and a driving unit, wherein the shell comprises a shell 54, end covers 22 and a fixed cover 13, the end covers 22 are arranged at two ends of the shell 54, and the end cover 22 at one side is fixed on a window frame; the fixed cover 13 is arranged on the shell 54, the framework 20 is arranged in the shell 54, and the motor 49 and the planetary reduction mechanism which is in driving connection with the motor 49 are fixedly arranged in the framework 20; the output end of the planetary speed reducing mechanism is provided with a gear transmission mechanism which is used for transmitting the force of the planetary speed reducing mechanism to the slipping unit after the force of the planetary speed reducing mechanism is vertically steered; the slipping unit comprises a first connecting block 17 arranged below the fixed cover 13 and a second connecting block 10 arranged above the fixed cover 13, and the first connecting block 13 is in butt joint with the second connecting block 10; the rotating unit comprises a rotating arm 6, the rotating arm 6 is fixed on the second connecting block 10, rotates around the fixed cover 13 and drives the driving unit to move; one end of the driving unit is connected with the rotating unit, the other end of the driving unit is connected with the window sash, and the driving unit drives the window sash to be pushed down or pulled.
The utility model discloses a sliding window opening mechanism, the casing (including shell, end cover, fixed lid) of ware of windowing are fixed on the window frame, and swinging boom 8 is one can be around fixed fulcrum pivoted connecting rod rather, and drive unit one side is fixed on the casement, and the casement is also around fixed fulcrum pivoted, so drive unit is another around fixed fulcrum pivoted connecting rod, has applied guide arm mechanism here, realizes the switch window action.
The end caps 22 are respectively arranged at two ends of the shell 54, wherein the end cap 22 which is not connected with the window frame is provided with an outlet of an electric wire 53 for supplying power to the motor 49, and the outlet is provided with a protective coil 52. The PCB 51 is fixed on the framework 20 through a screw 50, and the PCB 51 has the functions of connecting a circuit, controlling current and facilitating the assembly of the motor 49; the motor 49 is fixed to the frame 20 by screws 47 through a motor fixing ring 48, the gear fixing ring 46 is connected to the motor 49 by screws 45, a spacer 44 is provided between the gear fixing base 46 and the sun gear 43, and the sun gear 43 is connected to the planetary reduction mechanism.
As shown in fig. 3, in an embodiment of the present invention, the planetary reduction mechanism is a four-stage planetary reduction mechanism, the single-stage transmission ratio is 6, and the total transmission ratio is 1296, including the first-stage planetary gear 42, the first-stage planetary gear carrier 41, the second-stage planetary gear 40, the second-stage planetary gear carrier 39, the third-stage planetary gear 38, the third-stage planetary gear 37, the fourth-stage planetary gear 36, and the fourth-stage planetary gear carrier 35. The four-stage planet carrier 35 is connected with the reduction box shell 33 through screws, the pressure head 32 is connected with the rolling bearing 30 through the screws 31, the output shaft 29 of the rolling bearing 30 is connected with the small bevel gear 28, and then is connected with the large bevel gear 25 through the rolling bearing 27 and the rolling bearing 24, it can be understood that the single-stage transmission ratio of the planetary reduction mechanism can be set to be 3-7, the stage number can be set to be 2-6, and the total transmission ratio is 100-4000 so as to meet different requirements.
As shown in fig. 4, the gear transmission mechanism is a bevel gear transmission mechanism, and includes a small bevel gear 28 and a large bevel gear 25, in a specific embodiment, the small bevel gear 12 teeth and the large bevel gear 33 teeth have a transmission ratio of 2.75, so that right-angle transmission direction conversion is realized, the structure is compact, the transmission efficiency is high, and the bearing load is large. The two rolling bearings 24 and 27 receive the axial force of the large bevel gear and the small bevel gear, respectively.
In another embodiment of the present invention, the gear transmission is a face gear transmission.
The rotating shaft 26 penetrates through the center of the large bevel gear 25, the oil-retaining bearing 19, the needle bearing 18, the first connecting block 17 and the limiting sleeve 16, the rubber sheet 14 is fixed on the limiting sleeve 16 through the screw 15, the fixing cover 13 is fixed on the shell 54 through the screw 11, the rubber ring 12 is arranged between the fixing cover 13 and the second connecting block 10, the O-shaped ring 9, the spring 8 and the clamping sheet 7 are arranged between the second connecting block 10 and the rotating arm 6, and the rotating arm 6 is connected with the second connecting block 10 through the screw 5.
As shown in fig. 5, the first connecting block 17 is connected with four grooves of the second connecting block 10 through four bosses to drive the second connecting block 10 to rotate together, the second connecting block 10 is fixed with the rotating arm 6 through the screw 5, and when the rotating arm rotates, the rubber wheel 3 on the other side of the rotating arm can slide in the guide slide rail 4, so as to push and pull the guide slide rail and complete the window opening and closing action. When power failure or other reasons cause that the motor can not work, the window needs to be opened and closed manually, and the window sash receives manual push-pull force, the guide slide rail 4 can transmit force to the rubber wheel 3 and the rotating arm 6, torque is generated on the second connecting block 10, then pressure generated by the spring 8 is overcome, so that the boss on the first connecting block 17 is separated from the groove on the second connecting block 10, and the rotating arm 6 can rotate freely, thereby realizing the action of opening and closing the window manually.
In an embodiment of the present invention, the driving unit comprises a rubber wheel 3 and a guiding slide rail 4; the rubber wheel 3 is arranged at the tail end of the rotating arm 6 and slides in the guide slide rail 4; the guide slide 4 is fixed on the sash. The rubber wheel 3 is connected with the rotating arm 6 through the rolling bearing 2 and the riveting column 1. The motor 49 drives the planetary reducer, the four-stage planetary carrier 35 outputs lower rotating speed and larger torque, the four-stage planetary carrier 35 drives the small bevel gear 28 through the output shaft 29, the small bevel gear 28 drives the large bevel gear 25 to reduce speed and reverse, and the large bevel gear 25 and the first connecting block 17 are fastened together through the rotating shaft 26.
As shown in fig. 6, the second connecting block 55 is provided with a lateral groove connected to the boss of the brake block 56, and the rotating shaft 60 connects the sliding bearing 59, the shaft 28, the spring 57, the brake block 56, and the second connecting block 55. When the window sash is pushed or pulled manually, the guide slide rail 4 transmits force to the rubber wheel 3 and the rotating arm 6, torque is generated on the second connecting block 55, and then pressure generated by the spring 57 is overcome, so that the boss of the brake block 56 is separated from the lateral groove on the second connecting block 55, the rotating arm 6 can rotate freely, and the window can be opened or closed manually.
As shown in fig. 7, the first connecting block 62 is provided with a rough end face and is abutted to the rough end face of the second connecting block 61, when a power failure or other reasons cause the motor to fail to work, the window needs to be opened and closed manually, when the window sash is pushed and pulled manually, the guide slide rail 4 can transmit force to the rubber wheel 3 and the rotating arm 6, torque is generated on the swing arm connecting block 60, pressure generated by the spring 8 is overcome, so that the rough end face of the connecting block 61 and the rough end face of the swing arm connecting block 60 slide relatively, the rotating arm 6 can rotate freely, and the window can be opened and closed manually.
The drive unit comprises a connecting rod, one end of the connecting rod is fixedly connected with the window sash, the other end of the connecting rod is connected with the rotating arm to form a revolute pair, and the revolute pair is used for transmitting force and motion of the rotating arm during rotation to the connecting rod. In a specific embodiment, the other end of the connecting rod is connected with one end of the swing arm through a connecting column, a riveting sheet and a rivet to form a rotating pair. When the swing arm rotates, the force and the motion are transmitted to the connecting rod through the rotating pair, the connecting rod moves to drive the opening and closing of the window, and the rotating pair connecting rod structure is applied to realize the action of opening and closing the window.
As shown in fig. 8, in another embodiment of the present invention, the casing of the window opener is fixed on the window frame, the rotating arm 8 is a connecting rod capable of rotating around the fixed pivot, the rubber wheel 3 side is a sliding block sliding on the guide sliding rail 4, the guide sliding rail 4 is fixed on the window sash, and the window also rotates around the fixed pivot, so the guide sliding rail is another connecting rod rotating around the fixed pivot, and here, a guide rod mechanism is applied to realize the window opening and closing action.
As shown in fig. 9, the shell is made of aluminum, and a rubber ring 23 is arranged between the shell 54 and the end cover 22 and connected together through a screw 21; a rubber ring is arranged between the fixed cover 13 and the second connecting block 10, and an O-shaped ring 9 is arranged between the second connecting block 10 and the rotating arm 6.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the technical field of the utility model belongs to the prerequisite of not deviating from the utility model discloses, can also make a plurality of equal substitution or obvious variants, performance or usage are the same moreover, all should regard as belonging to the utility model's scope of protection.
Claims (10)
1. A window opener, comprising: the sliding device comprises a shell, a sliding unit, a rotating unit and a driving unit, wherein the shell comprises a shell, end covers and a fixed cover, the end covers are arranged at two ends of the shell, and the end cover at one side is fixed on a window frame; the fixed cover is arranged on the shell, a framework is arranged in the shell, and a motor and a planetary reduction mechanism in driving connection with the motor are fixedly arranged in the framework; the output end of the planetary speed reducing mechanism is provided with a gear transmission mechanism which is used for transmitting the force of the planetary speed reducing mechanism to the slipping unit after the force of the planetary speed reducing mechanism is vertically steered;
the slipping unit comprises a first connecting block arranged below the fixed cover and a second connecting block arranged above the fixed cover, and the first connecting block is in butt joint with the second connecting block; or the brake block comprises a second connecting block arranged above the fixed cover and a brake block clamped with the second connecting block;
the rotating unit comprises a rotating arm which is fixed on the second connecting block, rotates around the fixed cover and drives the driving unit to move;
one end of the driving unit is connected with the rotating unit, the other end of the driving unit is connected with the window sash, and the driving unit drives the window sash to be pushed or pulled.
2. The window opener of claim 1, wherein the first connecting block is provided with a boss or a groove, the second connecting block is correspondingly provided with a groove or a boss, and the first connecting block and the second connecting block are butted through the boss and the groove; when the window sash is subjected to push-pull force, the driving unit transmits the force to the rotating arm, and torque is generated on the second connecting block so that the first connecting block is separated from the second connecting block.
3. The window opener of claim 1, wherein the first connecting block has a rough end surface and abuts against a rough end surface of the second connecting block, and when the window sash is subjected to a push-pull force, the driving unit transmits the force to the rotating arm, and a torque is generated in the second connecting block to cause the first connecting block and the second connecting block to slide relative to each other.
4. The window opener of claim 1, wherein the second attachment block includes a lateral groove that engages a boss of the stop block.
5. The window opener of any one of claims 1-4, wherein the drive unit includes a rubber wheel and a guide rail; the rubber wheel is arranged at the tail end of the rotating arm and slides in the guide sliding rail; the guide sliding rail is fixed on the window sash.
6. The window opener of any one of claims 1-4, wherein the drive unit includes a connecting rod, one end of the connecting rod is fixedly connected to the window sash, and the other end of the connecting rod is connected to the rotating arm to form a revolute pair, and the revolute pair is configured to transmit force and motion of the rotating arm during rotation to the connecting rod.
7. The window opener as claimed in any one of claims 1-4, wherein the single-stage transmission ratio of the planetary reduction mechanism is 3-7, 2-6, and 100-4000.
8. The window opener of claim 6, wherein the planetary reduction mechanism is a four-stage planetary reduction mechanism, the single stage gear ratio is 6, and the total gear ratio is 1296.
9. The window opener of any one of claims 1-4, wherein the gear drive is a bevel gear drive, comprising a small bevel gear and a large bevel gear and a rolling bearing that respectively bear the axial directions of the small bevel gear and the large bevel gear for realizing right angle drive direction conversion;
or, the gear transmission mechanism is a face gear transmission mechanism.
10. The window opener of any one of claims 1-4, wherein the housing is made of aluminum, and a rubber ring is disposed between the housing and the end cap; a rubber ring is arranged between the fixed cover and the second connecting block, and an O-shaped ring is arranged between the second connecting block and the rotating arm; and an electric wire outlet for supplying power to the motor is arranged on the end cover which is not connected with the window frame, and a protective coil is arranged at the outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922223244.7U CN211950086U (en) | 2019-12-12 | 2019-12-12 | Window opener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922223244.7U CN211950086U (en) | 2019-12-12 | 2019-12-12 | Window opener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211950086U true CN211950086U (en) | 2020-11-17 |
Family
ID=73176380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922223244.7U Expired - Fee Related CN211950086U (en) | 2019-12-12 | 2019-12-12 | Window opener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211950086U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110939347A (en) * | 2019-12-12 | 2020-03-31 | 深圳市创晶辉精密塑胶模具有限公司 | Window opener |
-
2019
- 2019-12-12 CN CN201922223244.7U patent/CN211950086U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110939347A (en) * | 2019-12-12 | 2020-03-31 | 深圳市创晶辉精密塑胶模具有限公司 | Window opener |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201117 |
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| CF01 | Termination of patent right due to non-payment of annual fee |