CN216842762U - Coupler with simple separating device and pickup roller box cover - Google Patents
Coupler with simple separating device and pickup roller box cover Download PDFInfo
- Publication number
- CN216842762U CN216842762U CN202220331849.7U CN202220331849U CN216842762U CN 216842762 U CN216842762 U CN 216842762U CN 202220331849 U CN202220331849 U CN 202220331849U CN 216842762 U CN216842762 U CN 216842762U
- Authority
- CN
- China
- Prior art keywords
- coupling
- coupling flange
- guide wheel
- stepped shaft
- flange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000008878 coupling Effects 0.000 claims abstract description 128
- 238000010168 coupling process Methods 0.000 claims abstract description 128
- 238000005859 coupling reaction Methods 0.000 claims abstract description 128
- 238000000926 separation method Methods 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims description 15
- 230000033001 locomotion Effects 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 description 11
- 230000009471 action Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Mechanical Operated Clutches (AREA)
Abstract
The utility model discloses a take simple and easy separator's shaft coupling, include: the first coupling flange plate is provided with a first meshing tooth on one end face, and a guide part is formed in the circumferential direction of the first coupling flange plate; one end face of the second coupling flange is provided with second meshing teeth, and the second meshing teeth are meshed with the first meshing teeth to transmit torque; the clutch driving device comprises a guide wheel and a driving part, wherein a spiral guide groove is formed in the circumferential direction of the guide wheel and the driving part, the guide wheel is driven to rotate by the input torque of the driving part, and the spiral guide groove and the guiding part are matched to drive the first coupling flange plate to axially displace so that the first coupling flange plate and the second coupling flange plate can be separated or combined. The utility model also discloses a pick up roller case lid of the shaft coupling of including above-mentioned simple and easy separator in area. The utility model discloses do not need the use of tools can realize the quick separation and reunion of shaft coupling, reduce operating personnel's working strength, and simple structure simple to operate.
Description
Technical Field
The utility model relates to a shaft coupling especially relates to a take shaft coupling of simple and easy separator and use the pick up roller case lid of this shaft coupling.
Background
The existing electric roller shutter type pickup roller box cover is usually opened or closed by a motor driving transmission shaft. When the electric driving part breaks down, the motor and the transmission shaft can be separated through the separating mechanism, and the roller shutter is driven manually, so that the use of a container is prevented from being influenced.
Separating mechanism on the existing market generally needs to use a word screwdriver to with intermediate gear axle anticlockwise rotation to with intermediate gear and two bevel gear separation, need artifical use tools to control separating mechanism's combination and separation, waste time and energy also insecurity, work efficiency is low.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide a coupler and a pickup roller cover with a simple separation device, which can realize quick opening and closing of the coupler without using tools and have simple structure and convenient installation.
The utility model discloses an aspect provides a lie in taking simple and easy separator's shaft coupling, include:
the first coupling flange plate is provided with first meshing teeth at one end face, and a guide part is formed in the circumferential direction of the first coupling flange plate;
a second coupling flange, one end face of which is provided with a second meshing tooth, and the second meshing tooth is meshed with the first meshing tooth to transmit torque;
the clutch driving device comprises a guide wheel and a driving part, wherein a spiral guide groove is formed in the circumferential direction of the guide wheel and the driving part, the guide wheel is driven to rotate by the input torque of the driving part, and the spiral guide groove and the guiding part are matched to drive the first coupling flange plate to axially displace, so that the first coupling flange plate and the second coupling flange plate are separated or combined.
In the first aspect of the present invention, as a preferred embodiment, the driving portion includes a conversion mechanism for converting a revolving motion into a linear motion, the conversion mechanism being provided at one end of the guide wheel.
In the first aspect of the present invention, as a preferred embodiment, the switching mechanism is an open slot disposed along the circumferential direction of the guide wheel, the pull rope is wound in the open slot, one end of the pull rope forms a fixing portion and is connected to the open slot, and the pull rope applies a pulling force to drive the guide wheel to rotate, so as to drive the first coupling flange axial displacement to be separated from the second coupling flange.
In the first aspect of the present invention, as a preferred embodiment, a pull ring is connected to the other end of the pull rope.
In the first aspect of the present invention, as a preferred embodiment, the first coupling flange plate is kept away from the stepped shaft of the sliding connection with one end of the meshing teeth, and the stepped shaft coincides with the axis of the first coupling flange plate.
In the first aspect of the present invention, as a preferred embodiment, the first coupling flange plate is splined to the stepped shaft.
In the first aspect of the present invention, as a preferred embodiment, the present invention further includes a reset device, where the reset device is an elastic element having one end abutting against the stepped shaft and the other end abutting against the first coupling flange; the resilient member may provide a resilient force to engage the first coupling flange with the second coupling flange.
In the first aspect of the present invention, as a preferred embodiment, the elastic element is sleeved on the stepped shaft, and a stopper is fixed to the stepped shaft.
In the first aspect of the present invention, as a preferred embodiment, the clutch driving device further includes a mounting bracket, and the stepped shaft, the second coupling flange and the clutch driving device are mounted in the mounting bracket through bearings.
The utility model discloses the second aspect provides a pick up roller box cover, including transmission assembly, book curtain and frame, set up like in the transmission assembly the utility model discloses the first aspect take simple and easy separator's shaft coupling.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the shaft coupling with the simple separating device of the utility model transmits torque by the first and second shaft coupling flange plates which are arranged with tooth-shaped end surfaces and meshed with each other, thereby reducing noise in transmission and reducing loss of mechanical transmission efficiency; the guide part capable of driving the first coupling flange plate to axially displace is arranged in the circumferential direction of the first coupling flange plate, so that the movement of the coupler is more stable and stable; through setting up separation and reunion drive arrangement, spiral guide way and guide portion cooperation when separation and reunion drive arrangement is rotatory drive first coupling ring flange displacement to realize the separation and the combination of shaft coupling, do not need the rapid separation and reunion that use tools can realize the shaft coupling, reduce operating personnel's working strength, and simple structure simple to operate.
2. Through setting up the shifter that converts rotary motion into linear motion to an embodiment by stay cord and pull groove complex is provided, simple structure does not account for the space, and it is more convenient to convert linear motion operation into moreover, only needs to apply the pulling force to the stay cord, just can easily realize the separation and reunion of shaft coupling.
3. Through setting up the step shaft with first coupling ring flange sliding connection, strengthened the stability of first coupling ring flange, offset the motion pair that first coupling flange horizontal axial displacement produced when the shaft coupling separation, do not influence the operation of other parts of connecting axle, through setting up resetting means, elastic element provides the combination that elastic force realized the shaft coupling, need not apply extra drive power again, simple structure convenient operation.
Drawings
Fig. 1 is a schematic structural view of a coupling with a simple separation device according to the present invention;
FIG. 2 is a schematic structural view of the coupling in the disengaged state with the simple disengaging device of the present invention;
FIG. 3 is a schematic view of the structure of the guide wheel of the coupling with the simple separation device of the present invention;
FIG. 4 is a schematic view of the structure of the pulling rope of the coupling with the simple separating device of the present invention;
fig. 5 is a schematic structural view of another embodiment of the coupling with the simple separation device according to the present invention;
FIG. 6 is a partial cross-sectional view of a reset device of another embodiment of the coupling with the simple separation device of the present invention;
FIG. 7 is a partial sectional view of another embodiment of a coupling with a simple separating device according to the present invention;
FIG. 8 is a partial cross-sectional view of another embodiment of a reset device for a coupling with a simple separation device according to the present invention;
fig. 9 is a schematic structural view of another embodiment of the coupling with the simple separation device according to the present invention;
FIG. 10 is an enlarged view of a portion of another embodiment of the coupling with a simple separating device of the present invention;
fig. 11 is a schematic structural view of a coupling with a simple separation device according to another embodiment of the present invention;
FIG. 12 is a schematic structural view of the pickup roller box cover of the present invention;
fig. 13 is a schematic diagram of the internal structure of the transmission assembly of the roller box cover of the pickup truck of the present invention.
In the figure: 100. a first coupling flange; 110. a guide section; 200. a second coupling flange; 300. a clutch drive device; 310. a guide wheel; 311. a guide groove; 320. a drive section; 321. groove drawing; 322. pulling a rope; 323. a pull ring; 324. a fixed part; 400. a resetting device; 410. a stepped shaft; 411. a first step shaft; 412. a second step axis; 420. an elastic element; 430. a limiting sheet; 500. a mounting frame; 610. a transmission assembly; 620. rolling a curtain; 630. a frame.
Detailed Description
The invention is further described with reference to the drawings and the detailed description, and it should be noted that, in the case of no conflict, any combination of the embodiments or technical features described below may form a new embodiment. Except as specifically noted, the materials and equipment used in this example are commercially available. Examples of embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. In the description of the present application, "a plurality" means two or more unless specifically stated otherwise.
In the description of the present application, it should be noted that unless otherwise specifically stated or limited, the terms "connected," "communicating," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a connection through an intervening medium, a connection between two elements, or an interaction between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
The terms "first," "second," and the like in the description and in the claims of the present application and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The first embodiment is as follows:
referring to fig. 1-2, a coupling with a simple separating device includes a first coupling flange 100 and a second coupling flange 200, which have tooth-shaped end surfaces and are engaged with each other to transmit torque; the first coupling flange 100 is provided with a guide portion 110, and the guide portion 110 is a flange formed in the circumferential direction of the first coupling flange 100; the shaft coupling further comprises a clutch driving device 300, the axis of the clutch driving device 300 is parallel to the axis of the first coupling flange 100, and when the clutch driving device 300 rotates, the first coupling flange 100 is driven to move axially through the matching with the guide part 110, so that the first coupling flange 100 and the second coupling flange 200 are separated or combined with each other; in the present embodiment, the clutch driving device 300 rotates counterclockwise to disengage the coupling, and rotates clockwise to engage the coupling.
The clutch driving device 300 comprises a driving part 320 and a guide wheel 310; drive 320 is used to input torque to drive stator 310 to rotate; the guide wheel 310 is circumferentially provided with a spiral guide groove 311, and when the pitch of the guide groove 311 is smaller, the number of turns of the guide wheel 310 required to rotate is larger, and the axial force applied by the guide wheel 310 to the guide part 110 is larger; the lead angle is the same, and the user can select a proper pitch and lead angle according to the actual application, in this embodiment, the pitch of the guide slot 311 is 1-2 times of the axial distance of the coupling engaging part, and the lead angle is less than 45 °.
The guiding portion 110 may also be a rounded flange, and the guiding slot 311 is a rounded bottom slot, so as to reduce friction and noise, but may also be a matching with other shapes, such as a hook.
When the driving part 320 inputs torque to rotate the guide wheel 310, the guiding part 110 is axially displaced under the action of the guiding slot 311, so as to drive the first coupling flange 100 and the second coupling flange 200 to be separated or combined with each other. The coupler with the simple device is simple in structure, rapid clutch of the coupler can be achieved without using other tools, and the coupler is convenient to install and low in failure rate.
In a preferred embodiment, the driving portion 320 includes a conversion mechanism disposed at one end of the guide wheel 310 for converting a rotary motion into a linear motion, and the conversion mechanism may be a rack-and-pinion mechanism or a slider-crank mechanism.
Referring to fig. 3-4, the driving part 320 includes a slot 321 disposed along the circumference of the guide wheel 310, and a pull rope 322 surrounding the slot 321, wherein a fixing part 324 is formed at one end of the pull rope 322, one end of the pull rope 322 is connected to the slot 321 through the fixing part 324, and a pull ring 323 is formed at the other end of the pull rope 322; when the coupler is used, only the pull ring 323 needs to be pulled, and the pull rope 322 wound in the pull groove 321 drives the guide wheel 310 to rotate under the action of the pull force, so that the coupler is separated and combined. The pull ring 323 can be further provided with an extension mechanism for lengthening the use distance for convenient use, and can also be provided with a fixed clamping position, so that the coupling keeps a clutch or combined state by fixing the pull ring 323 in the clamping position.
As shown in fig. 5-8, the end of the first coupling flange 100 away from the meshing teeth is slidably connected with a stepped shaft 410, and the stepped shaft 410 is coincident with the axis of the first coupling flange 100. The stability of the first coupling flange plate 100 is enhanced by slidably disposing the first coupling flange plate 100 on the stepped shaft 410, and the amplitude of the axial movement of the connecting shaft of the first coupling flange plate 100 is offset by slidably connecting.
The sliding connection between the first coupling flange 100 and the stepped shaft 410 may be a sliding block and a guide rail, or a key connection, in this embodiment, a spline connection with a uniform coupling force is selected.
The stepped shaft 410 shown in fig. 6 includes a first stepped shaft 411 and a second stepped shaft 412, the first stepped shaft 411 has a larger diameter than the second stepped shaft 412, and the second stepped shaft 412 has external splines formed thereon.
A through hole is axially formed in the first coupling flange 100, the pipe through hole can also be a cavity axially formed at one end of the first coupling flange 100, in the embodiment, the through hole is selected, and a user can select and match the pipe according to actual conditions; an inner spline matched with the outer spline is formed in the through hole.
The stepped shaft 410 is connected with the first coupling flange 100 through a spline and transmits torque, and the first coupling flange 100 can axially move relative to the second stepped shaft 412 by a distance l which is larger than the axial distance of the meshing part of the coupling, so that the first coupling flange 100 is separated from or combined with the second coupling flange 200.
The coupling with the simple separating device shown in fig. 5-10 further includes a restoring device 400, the restoring device 400 is an elastic member 420 having one end abutting against the stepped shaft 410 and the other end abutting against the first coupling flange 100, and the elastic member 420 can provide an elastic force to combine the first coupling flange 100 and the second coupling flange 200.
The elastic element 420 may be sleeved outside the stepped shaft 410 or the first coupling flange 100 as shown in fig. 6-7, or may be sleeved in a connecting cavity between the stepped shaft 410 and the first coupling flange 100 as shown in fig. 8.
As shown in fig. 7-8, the stepped shaft 410 may be formed with a cavity and internal splines, and the first coupling flange 100 may be formed with external splines, which are engaged with each other.
When the coupler needs to be separated, a counterclockwise torque is applied to the clutch driving device 300, the guide portion 110 drives the first coupling flange 100 to slide toward the second stepped shaft 412 under the action of the guide groove 311, and meanwhile, the elastic element 420 is compressed under the action of the extrusion force, and at this time, the clutch driving device 300 is fixed, so that the separation of the coupler can be realized. When the coupler is combined, the clutch driving device 300 is released, the first coupling flange 100 moves towards the second coupling flange 200 under the elastic force of the elastic element 420, and the reset of the coupler is completed without applying extra driving force.
As shown in fig. 9-10, in another embodiment of the resetting device 400, a position-limiting piece 430 abutting against the elastic element 420 is fixed on the stepped shaft 410, and the position-limiting piece 430 is an open-loop, instead of the stepped shaft 410, for limiting the elastic element 420.
As shown in fig. 11, the coupler further includes a mounting bracket 500, in this embodiment, the mounting bracket 500 is a box structure, the stepped shaft 410, the second coupling flange 200 and the clutch driving device 300 are mounted inside the mounting bracket 500 through a bearing, and a small hole for the pull rope 322 to extend out is formed on one side of the mounting bracket 500, and the diameter of the small hole is smaller than that of the pull ring 323. The end of the pull rope 322 extends out of the small hole, so that the pull rope 322 is pulled outside the mounting frame 500 to control the clutch of the coupler.
Example two:
as shown in fig. 12-13, the present embodiment provides a pickup roller box cover, which includes a transmission assembly 610, a roller blind 620 and a frame 630, wherein a coupling with a simple separation device according to the first embodiment of the present invention is disposed in the transmission assembly 610.
In a preferred embodiment, the transmission assembly 610 is provided with a through hole at a position corresponding to the pull rope 322, and the pull ring 323 extends out of the through hole, so that the clutch of the coupling is controlled outside the transmission assembly 610.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention should not be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (10)
1. The utility model provides a take shaft coupling of simple and easy separator which characterized in that includes:
the coupling flange comprises a first coupling flange, a second coupling flange and a third coupling flange, wherein one end face of the first coupling flange is provided with first meshing teeth, and a guide part is formed in the circumferential direction of the first coupling flange;
a second coupling flange, one end face of which is provided with a second meshing tooth, and the second meshing tooth is meshed with the first meshing tooth to transmit torque;
the clutch driving device comprises a guide wheel and a driving part, wherein a spiral guide groove is formed in the circumferential direction of the guide wheel and the driving part, the guide wheel is driven to rotate by the input torque of the driving part, and the spiral guide groove and the guiding part are matched to drive the first coupling flange plate to axially displace, so that the first coupling flange plate and the second coupling flange plate are separated or combined.
2. A coupling with a simple separating device as claimed in claim 1, wherein the driving part includes a converting mechanism for converting a rotary motion into a linear motion, the converting mechanism being provided at one end of the guide pulley.
3. The coupling with the simple separating device as claimed in claim 2, wherein the switching mechanism is a slot circumferentially disposed along the guide wheel, a pull rope is wound in the slot, a fixed portion formed at one end of the pull rope is connected to the slot, and the guide wheel is driven to rotate by applying a pulling force to the pull rope, so as to drive the first coupling flange to axially displace and be separated from the second coupling flange.
4. A coupling with a simple release mechanism as claimed in claim 3, wherein a pull ring is connected to the other end of the pull cord.
5. A coupling with a simple disengaging gear according to claim 1 in which the first coupling flange is a stepped shaft slidably connected at an end remote from the teeth, the stepped shaft being coincident with the first coupling flange axis.
6. A coupling with a simple disconnecting device according to claim 5, characterized in that the first coupling flange is splined to the stepped shaft.
7. The coupling with the simple separation device as claimed in claim 5, further comprising a return device, wherein the return device is an elastic element with one end abutting against the stepped shaft and the other end abutting against the first coupling flange; the resilient member may provide a resilient force to engage the first coupling flange with the second coupling flange.
8. The coupling with easy disconnect device of claim 7, wherein said resilient member is sleeved on said stepped shaft, and a stopper is fixed on said stepped shaft.
9. A coupling with a simple disconnecting device according to claim 1, further comprising a mounting bracket, wherein the first coupling flange, the second coupling flange and the clutch driving device are mounted in the mounting bracket through bearings.
10. A pickup roller box cover comprising a drive assembly, a roller shutter and a frame, wherein a coupling with a simple release device according to any one of claims 1 to 9 is provided in the drive assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220331849.7U CN216842762U (en) | 2022-02-18 | 2022-02-18 | Coupler with simple separating device and pickup roller box cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220331849.7U CN216842762U (en) | 2022-02-18 | 2022-02-18 | Coupler with simple separating device and pickup roller box cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216842762U true CN216842762U (en) | 2022-06-28 |
Family
ID=82090091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220331849.7U Expired - Fee Related CN216842762U (en) | 2022-02-18 | 2022-02-18 | Coupler with simple separating device and pickup roller box cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216842762U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116020902A (en) * | 2023-01-31 | 2023-04-28 | 江苏贯森新材料科技有限公司 | Withdrawal and straightening machine with deviation correcting device |
-
2022
- 2022-02-18 CN CN202220331849.7U patent/CN216842762U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116020902A (en) * | 2023-01-31 | 2023-04-28 | 江苏贯森新材料科技有限公司 | Withdrawal and straightening machine with deviation correcting device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4367660A (en) | Window lift drive | |
| CN216842762U (en) | Coupler with simple separating device and pickup roller box cover | |
| CN201406931Y (en) | Fast clutch mechanism of industrial door | |
| CN108843777A (en) | A kind of tube shaped electric machine reduction gearbox of infrared control | |
| US9587680B2 (en) | Light-weight clutch suitable for manual and/or economical electric operation | |
| CN201309809Y (en) | Power winch device of plane brake | |
| CN209164493U (en) | Mechanical reduction gear and the dustbin for installing mechanical reduction gear | |
| CN101767327A (en) | Heavy-duty double-button multifunction electric hammer | |
| CN101008295B (en) | Improved transmission of bidirectional lockset of door and window | |
| CN211225656U (en) | Unwinding machine rolling driving mechanism | |
| JP2012247069A (en) | Electric valve actuator | |
| JP3133718U (en) | Valve drive actuator | |
| CN202441245U (en) | Worm and gear type rolling door machine | |
| CN206928884U (en) | A kind of activity positioning door roller | |
| CN101338648B (en) | Tube-type electric motor manual, electric clutch controller | |
| JP3157942U (en) | Electric valve actuator | |
| CN212656712U (en) | Transmission chain self-locking/releasing device and translation door | |
| MX2009009110A (en) | Lifting gear. | |
| CN201043385Y (en) | Clutch module device of lock | |
| CN210531568U (en) | Speed reducer for coke pusher | |
| CN201190740Y (en) | Manual and electric clutch controller for tube-type electric motor | |
| CN217682917U (en) | Closed shell type manual jaw clutch | |
| CN202282260U (en) | Electric and manual conversion device of tap switch control mechanism | |
| JP5004038B2 (en) | Valve drive actuator | |
| CN212330862U (en) | Transmission device for transmitting torsion by adopting extension spring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220628 |