WO2019139306A1 - 코드리스 블라인드 장치 - Google Patents
코드리스 블라인드 장치 Download PDFInfo
- Publication number
- WO2019139306A1 WO2019139306A1 PCT/KR2019/000163 KR2019000163W WO2019139306A1 WO 2019139306 A1 WO2019139306 A1 WO 2019139306A1 KR 2019000163 W KR2019000163 W KR 2019000163W WO 2019139306 A1 WO2019139306 A1 WO 2019139306A1
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- WIPO (PCT)
- Prior art keywords
- rotation
- driving motor
- winding roll
- screen member
- force
- Prior art date
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
- E06B9/40—Roller blinds
- E06B9/42—Parts or details of roller blinds, e.g. suspension devices, blind boxes
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/60—Spring drums operated only by closure members
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
- E06B9/40—Roller blinds
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/62—Counterweighting arrangements
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/68—Operating devices or mechanisms, e.g. with electric drive
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/68—Operating devices or mechanisms, e.g. with electric drive
- E06B9/72—Operating devices or mechanisms, e.g. with electric drive comprising an electric motor positioned inside the roller
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/68—Operating devices or mechanisms, e.g. with electric drive
- E06B9/74—Operating devices or mechanisms, e.g. with electric drive adapted for selective electrical or manual operation
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
- E06B9/82—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic
- E06B9/90—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic for immobilising the closure member in various chosen positions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/68—Operating devices or mechanisms, e.g. with electric drive
- E06B2009/6809—Control
- E06B2009/6818—Control using sensors
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
- E06B9/68—Operating devices or mechanisms, e.g. with electric drive
- E06B9/72—Operating devices or mechanisms, e.g. with electric drive comprising an electric motor positioned inside the roller
- E06B2009/725—Operating devices or mechanisms, e.g. with electric drive comprising an electric motor positioned inside the roller with epicyclic or planetary gear train
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H2001/289—Toothed gearings for conveying rotary motion with gears having orbital motion comprising two or more coaxial and identical sets of orbital gears, e.g. for distributing torque between the coaxial sets
Definitions
- the present invention relates to a cordless blind device that operates without a cord, and more particularly, to a cordless blind device that can be conveniently operated in various manners such as manual, semi-automatic, and automatic.
- the blind device is installed at the window and is used to open and close the window.
- the blind device has a structure capable of controlling the shielding amount of the window, so that the amount of mining can be changed by the blind device.
- the blind device can be used not only for adjusting the amount of light, but also as a decorative element for decorating the room by installing it at a window.
- the blind device may include a shielding structure such as a screen or a slat.
- the screen is one of shielding structures widely used in a blind apparatus and is formed of a material such as a fabric. You can adjust the amount of screening by wrapping the screen on a roll or unrolling it from a roll.
- the blind apparatus including the screen also needs a structure for rotating the roll on which the screen is wound. Since the roll is installed at the top of the window, the roll can be rotated by applying tension to the bottom of the window with a pull cord.
- a pulling string or the like is often used as a structure for operating a conventional blind apparatus. Since the pulling string can be connected to the roll so as to be rotated by applying a tension to the roll, it can be installed and used relatively easily. However, when the pulling string is long, it may cause an accident such as hanging and falling because it acts as an obstacle, and when the pulling string is operated, the tension is concentrated only on one side of the roll, There was also a problem that unnecessary excessive force was exerted to manipulate the line if it was not connected properly. Therefore, a structure capable of operating the blind apparatus more conveniently was needed.
- Patent Document 1 Korean Utility Model Registration No. 20-0480955, (2016.07.29)
- the present invention provides a cordless blind device which can be conveniently operated without a cord and can be operated in various manners such as manual, semi-automatic, And to provide a cordless blind device.
- the cordless blind apparatus comprises: a winding roll coupled to a rotating shaft; A screen member wound or unwound on the winding roll; A driving motor for providing a rotational driving force to the winding roll to wind or unwind the screen member; A weight member which is connected to the lower end of the screen member and applies a torque in a first direction in which the screen member is wound on the winding roll by gravity; A torsion spring for applying an elastic force to the winding roll to apply a torque in a second direction in which the screen member is wound; And a driving motor that is coupled between the driving motor and the winding roll, for transmitting a rotational driving force provided by the driving motor to the winding roll, or transmitting a torque provided by the torsion spring to the winding roll to the driving motor, And a rotation converting module for transmitting power, wherein the torque applied by the torsion spring, the torque applied by the weight member, and the torque applied by the rotation converting module and the drive The screen member is kept stationary with the resistance force by the motor
- the torque applied by the torsion spring may be set larger than the resultant force of the frictional resistance of the rotary conversion module and the regenerative resistance of the drive motor.
- the rotation conversion module includes a first rotation component connected to the drive motor and rotating together, a second rotation component connected to the rotation of the take-up roll, and a second rotation component interposed between the first rotation component and the second rotation component And may include a rotation-mediated unit that transmits power.
- the rotation center of the first rotary element and the rotation of the second rotary element are located on the same axis and the rotary unit decelerates the rotation speed of the first rotary element and transmits it to the second rotary element.
- the first rotary element includes a first sun gear
- the rotary intermediate unit includes a plurality of first planetary gears revolving around the first sun gear, a first rotary plate coupled to the rotary shaft of the first planetary gear, And a second sun gear coupled to the first rotating plate on an opposite surface to which the first planetary gear is coupled
- the second rotating element includes a plurality of second planetary gears revolving around the second sun gear, And a second rotary plate to which the rotary shaft of the second planetary gear is coupled.
- a rotating block having an outer circumferential surface coupled to the inside of the winding roll and rotating together, and a rotating shaft coupled to the second rotating element.
- An encoder for detecting rotation of at least one of the winding roll and the driving motor, and a control module for driving the driving motor when a rotation operation is detected from the encoder.
- the control module may stop the driving of the driving motor when an instant load increases during operation of the driving motor.
- the control module may further include a control module that controls the driving motor, and rotates and drives the driving motor when an electromotive force is generated in the driving motor.
- the present invention it is possible to operate the blind device very conveniently without a pull cord.
- the device can be operated very conveniently by selecting various operating modes such as a cordless, manual, semi-automatic, Therefore, not only the structural and functional problems caused by using the conventional code can be completely solved, but also it is possible to operate the blind apparatus more conveniently and to operate and use it in a desired manner.
- FIG. 1 is a perspective view of a cordless blind apparatus according to an embodiment of the present invention.
- FIG. 2 is an exploded perspective view of the cordless blind apparatus of FIG.
- Fig. 3 is an enlarged perspective view of the rotation converting module and the driving motor disposed inside the winding roll of Fig. 2; Fig.
- FIG. 4 is a cross-sectional view illustrating the internal structure of the cordless blind apparatus of FIG.
- FIG. 5 is an exploded perspective view of the rotary conversion module of FIG.
- FIG. 6 is a cross-sectional view showing the internal structure of the rotary conversion module of FIG.
- FIG. 7 is a diagram illustrating an operation process of the rotation conversion module of FIG.
- FIG. 8 is a schematic diagram illustrating a control method of the cordless blind apparatus of FIG.
- 9 to 12 are views illustrating the operation of the cordless blind apparatus of FIG.
- FIG. 1 A cordless blind apparatus according to an embodiment of the present invention will be described in detail with reference to FIGS. 1 to 12.
- FIG. 1 A cordless blind apparatus according to an embodiment of the present invention will be described in detail with reference to FIGS. 1 to 12.
- FIG. 1 is a perspective view of a cordless blind apparatus according to an embodiment of the present invention
- FIG. 2 is an exploded perspective view of the cordless blind apparatus of FIG. 1
- FIG. 3 is a cross-
- FIG. 5 is an exploded perspective view of the rotary conversion module of FIG. 3
- FIG. 6 is an enlarged perspective view of the rotary conversion module of FIG. Fig.
- the cross-sectional view of FIG. 4 is shown particularly to show the inside of the winding roll more clearly, except for the screen member and the weight member.
- a cordless blind device 1 includes a blind (not shown) in which a screen member 20 is wound and unwinded on a take-up roll 10, Device.
- the cordless blind device 1 of the present invention pulls the screen member 20 with the weight member 21 to apply a torque to the winding roll 10 in the direction in which the screen member 20 is pulled out,
- the rotation conversion module 420 and the driving motor 410 connected to the winding roll 10 apply a torque to the winding roll 10 in a direction opposite to the direction in which the screen member 20 is wound, .
- torque is generated in pairs in opposite directions in the apparatus itself and acts on the wind-up roll 10, and in particular, So that the balance of the force can be more closely balanced.
- the screen member 20 can be naturally stopped at any position where the screen member 20 is unfolded, and therefore, the screen member 20 can be easily operated without an adjustment device such as a cord.
- the screen member 20 can be easily wound or wound by simply applying a slight external force to the weight member 21 with a hand or the like to release the balance of the force.
- the rotation converting module 420 and the driving motor 410 rotate when the driving motor 410 is driven, and can operate the winding roll 10, so that it also functions as a driving device. That is, when the user operates the screen member 20 by applying an external force directly to the weight member 21 or the like manually or semi-automatically, the rotation conversion module 420 and the driving motor 410 function as resistors, The driving motor 410 is automatically operated to increase the torque, so that the screen member 20 can be automatically operated.
- the rotation converting module 420 connected to the winding roll 10 transfers rotation from the winding roll 10 to the driving motor 410, or transmits the rotation of the driving motor 410 to the winding roll 10 in both directions
- the rotation conversion module 420 and the driving motor 410 are rotated to function as a resistor and the driving motor 410
- the winding roll 10 is rotated.
- the screen member 20 is operated by applying an external force to the hand or the like, the screen member 20 is automatically operated by driving the driving motor 410,
- the screen member 20 can be operated variously in a manual, semi-automatic, or automatic manner, such as fully automatic operation of the screen member 410.
- the cordless blind apparatus 1 of the present invention includes a winding roll 10 coupled to a rotating shaft, a screen member 20 wound around or unwound from the winding roll 10,
- a driving motor (refer to 410 in Figs. 3 to 6) for winding or unrolling the screen member 20 and a driving motor for driving the screen member 20 are connected to the lower end of the screen member 20 to draw the screen member 20 to the winding roll 10 by gravity
- the torque provided by the torsion spring 30 to the winding roll 10 is transmitted to the driving motor 10 via the driving motor 10, 410) to transmit power in both directions (see 420 in Figs.
- the winding roll 10 is engaged with the rotating shaft and rotates.
- the rotating shaft is a structure for supporting and rotating the take-up roll 10 and may be embodied in various forms.
- a structure including rotating rings 110 and 120 coupled to both ends of the take-up roll 10 as shown in FIG. 2 may function as a rotational axis.
- the rotating rings 110 and 120 are coupled to both ends of the take-up roll 10 and rotate about the first fixed block 32 and the second fixed block 42 to rotate the take-up roll 10 .
- the center of rotation of the rotating rings 110 and 120 can coincide with the center of rotation of the winding roll 10.
- the take-up roll 10 can rotate in combination with another type of structure that rotatably supports the take-up roll 10 in another embodiment. That is, the rotating shaft in the present specification does not necessarily mean a structure that is necessarily coupled to the rotation center shaft but includes various types of structures that can rotatably support the rotatable member such as the winding roll 10 .
- the winding roll 10 may include guide projections (see 10a in Figs. 2 and 4) extending in the longitudinal direction inside.
- the guide protrusion 10a protrudes from the inner circumferential surface of the take-up roll 10 in a structure for engaging with the above-described rotary rings 110 and 120 and the first and second rotary blocks 31 and 41 And may be formed in the form of a rail extended in the longitudinal direction.
- the engaging structures such as protrusions and grooves engaging with the guide protrusions 10a are formed on the outer circumferential surface of the rotating rings 110 and 120, the first rotating block 31, the second rotating block 41, Lt; / RTI >
- the rotary rings 110 and 120 associated with the take-up roll 10 rotate together with the take-up roll 10 around the first and second fixed blocks 32 and 42 as described above, .
- the first rotating block 31 rotates together with the winding roll 10 to generate a rotational displacement in the torsion spring 30 or to transmit the elastic force of the torsion spring 30 to the winding roll 10,
- the winding roll 41 rotates together with the winding roll 10 and transfers the rotation of the winding roll 10 to the rotation conversion module 420 or conversely the rotation transmitted from the rotation conversion module 420 to the winding roll 10 do. That is, the take-up roll 10 may be formed so as to receive the torsion spring 30, the rotation conversion module 420, or the like therein and to transmit or receive the rotational force in combination therewith.
- the structure in which the winding roll 10, the torsion spring 30, the rotation conversion module 420, and the like are combined is not limited to this structure, and may be modified in various forms, It is possible.
- the frame 11 can serve to accommodate the winding roll 10 therein and support the winding roll 10.
- the frame 11 can be engaged with the winding roll 10 through a structure such as a connecting portion (see 11c in Fig. 2) or the like.
- the connecting portion 11c may be formed in the form of a shaft to determine the center of rotation of the winding roll 10. That is, the first fixing block 32 and the second fixing block 42, to which the rotary rings 110 and 120 described above and the rotary rings 110 and 120 are coupled and fixed to both ends of the take-up roll 10,
- the first fixing block 32 and the second fixing block 42 to the frame 11 can function as a rotating shaft for rotatably supporting the winding roll 10. As described above, such a rotation support structure can be appropriately modified as needed.
- the frame 11 may consist of a vertical frame 11b and a horizontal frame 11a as shown in Figs.
- the vertical frame 11b and the horizontal frame 11a are detachably coupled to receive the winding roll 10 therein.
- the frame 11 may include a fixture such as a bracket on one side so as to be easily installed on an outer wall such as a window.
- the horizontal frame 11a may be arranged to face both ends of the winding roll 10 and the vertical frame 11b may be connected therebetween.
- the structure and shape of the frame 11 may be changed into various other shapes.
- a battery box 12 for supplying electric power to the frame 11 may be formed on one side of the frame 11 with the drive motor 410 or the like.
- the battery box 12 may be connected to the driving motor 410 or other control device through a power cable or the like to supply driving power.
- the battery box 12 having a relatively large size may be used to install a battery having a large capacity.
- the battery box 12 can be detachably mounted, and a standby time in which the automatic operation of the cordless blind device 1 can be performed can be maintained at a time of an annual unit by incorporating a battery having a large capacity.
- the shape and structure of the battery box 12 need not be limited as shown in the drawings, but may be modified appropriately as needed. It is also possible to form the battery box 12 such that it is supplied with electric power through an outlet or the like without using the battery box 12 or receives electric power wirelessly.
- the screen member 20 is wound or unwound on the take-up roll 10 to change its length.
- the upper end of the screen member 20 is fixed to the outer periphery of the wind-up roll 10 and the lower end of the screen member 20 is connected to the weight member 21 to maintain tension.
- the screen member 20 is wound (wound up) on the winding roll 10 and the length of the extended portion is reduced.
- the screen member 20 is unwound (pulled) from the wind-up roll 10, and the length of the stretched portion is increased. That is, the screen member 20 can be moved up and down according to the rotation of the take-up roll 10.
- the screen member 20 may be made of a fabric or may be made of various materials capable of shading.
- the length and width of the screen member 20 can be appropriately adjusted in accordance with the size of the window to which the cordless blind device 1 is applied, the size of the installation space, and the like.
- the weight member 21 may be formed of a relatively heavy material and may include a heavy material at least in part of the weight member 21.
- the weight member 21 can be formed so that the entire weight member 21 can be attached or detached or the weight member can be detached and changed in weight.
- the weight member 21 is connected to the lower end of the screen member 20 as shown in the drawing, and applies tension to the screen member 20 by its own weight. Therefore, a torque for rotating the wind-up roll 10 connected to the upper end of the screen member 20 can be applied. That is, the weight member 21 is connected to the lower end of the screen member 20, and applies a torque in a first direction in which the screen member 20 is wound on the winding roll 10 by gravity.
- the shape of the weight member 21 is not limited to the illustrated shape and may be modified into various shapes.
- the torsion spring 30 applies elasticity to the wind-up roll 10 and applies a torque in a direction opposite to the first direction.
- the torsion spring 30 can be coupled to the winding roll 10 through the first rotating block 31 as described above, thereby applying elasticity to the winding roll 10. That is, the torsion spring 30 applies a resilience to the take-up roll 10 and applies a torque in a second direction in which the screen member 20 is wound.
- the torsion spring 30 can be received inside the winding roll 10 as shown in Figs. 2 and 4, and can rotate with the winding roll 10 and be compressed or relaxed.
- the torsion spring 30 may be formed as a torsional elastic body that elastically deforms in accordance with the rotation of the winding roll 10 to store elastic energy, and the torsional elastic body may be a coil spring.
- the torsion spring 30 may be connected to the first rotating block 31 and the first fixing block 32 at both ends, respectively, as shown in FIG. As described above, the first rotating block 31 is coupled to the take-up roll 10 and rotates together, is engaged with the frame 11 of the first fixed block 32 and remains fixed, and the torsion spring 30 is twisted Lt; / RTI > The torsion spring 30 can be inserted parallel to the inside of the winding roll 10 as shown.
- a first rotating block 31 is connected to one end of the torsion spring 30 and the first rotating block 31 is coupled to the winding roll 10 and rotated.
- the first rotation block 31 may be formed with a coupling groove (refer to 31a in FIG. 2) for coupling with the guide projection 10a.
- a first fixing block 32 is formed at the other end of the torsion spring 30 and is fixed to the frame 11.
- the rotary ring 110 is rotatably engaged around the first fixed block 32 and is engaged with the take-up roll 10 to rotatably support the take-up roll 10. Therefore, when the take-up roll 10 rotates, one end of the torsion spring 30 connected to the first rotation block 31 is twisted, and the other end remains in a fixed state to generate a rotational displacement.
- the torque generated at this time is the torque in the second direction in which the winding roll 10 is wound as described above.
- the cordless blind apparatus 1 can basically fix the screen member 20 properly at any position.
- a soccer trough may be formed through the inside of the torsion spring 30 to connect the first rotating block 31 and the first fixing block 32, and the first rotating block 31 may be formed of a soccer And may be rotatably coupled to the jaws.
- the present invention is characterized in that the rotation conversion module 420 and the driving motor 410 are connected to the winding roll 10 to generate a resistance against rotation of the winding roll 10 as described above, So as to maintain the balance and stop the screen member 20. That is, the torque applied by the torsion spring 30, the torque applied by the weight member 21, and the torque applied by the rotation conversion module 420 and the drive motor (not shown) 410 are balanced so that the screen member 20 is kept stationary. As described above, the force balance between the rotation converting module 420 and the driving motor 410 makes it possible to effectively stop the screen member 20 at any position.
- the driving motor 410 is driven without adding a separate driving part in addition to the resistive element
- a rotary resistor can be advantageously used as a driving device for automatically operating the screen member 20.
- the torque applied by the torsion spring 30 is determined by the frictional resistance of the rotary conversion module 420 and the regenerative resistance of the drive motor 410 (referred to as the induced resistance caused by the rotation of the motor or the electromagnetic resistance due to the electromotive force) If it is set larger than the resultant force and the balance is broken by the external force and the rotation is started, at least this resistance force can be formed to be able to win and rotate.
- this resistance force is set so that the difference between the torque applied by the torsion spring 30 in the winding direction and the torque pair in the direction opposite to the direction in which the weight member 21 is applied in the direction of unwinding can be offset, It is possible to balance the force immediately.
- the rotation conversion module 420 and the driving motor 410 may be disposed inside the winding roll 10 by being coupled to each other in a compact form through the housing 43 as shown in FIGS.
- the second fixing block 42, which is fixed so as not to rotate and engages with the frame 11, may form the rotation conversion driver 40.
- the second rotation block 41 is formed at one end of the rotation conversion driving unit 40
- the second fixing block 42 is formed at the other end
- the rotation ring 120 The first rotating block 31 is formed at one end of the torsion spring 30 and the first fixed block 32 is formed at the other end of the torsion spring 30, It is possible to form substantially the same coupling structure as the structure in which the rotating ring 110 is formed. With this structure, it is possible to engage with the take-up roll 10 to receive the rotation of the take-up roll 10 or to transmit the rotation to the take-up roll 10.
- the second fixing block 42 may be provided with a cable input / output structure for supplying power to the driving motor 410.
- the driving motor 410 may include a rotation conversion module (420), and the rear end may be coupled to the encoder (411).
- the encoder 411 may be connected to the control module 412 fixed to the inside of the second fixing block 42 to be supplied with electric power and transmit / receive signals.
- the encoder 411 may be formed, for example, to receive the rotation of the magnet coupled to the axis of the driving motor 410 into an electric signal.
- the rotation conversion module 420 includes a first rotation component 421 connected to the drive motor 410 and rotated together therewith, and a second rotation component 422 connected to the take- And includes a rotation element 422 and a rotation mediation unit 423 interposed between the first rotation element 421 and the second rotation element 422 to transmit power.
- the first rotary element 421 and the second rotary element 422 are arranged such that their rotation centers are on the same axis, and that the rotary intermediate unit 423 is disposed between the first rotary element 421 and the second rotary element 422 As shown in FIG.
- the rotation mediating unit 423 is formed to transmit the rotation speed of the first rotation element 421 to the second rotation element 422 by reducing the rotation speed of the first rotation element 421.
- the rotation conversion module 420 may be formed of a plurality of gears as shown. However, it need not necessarily be limited to a structure including gears, but it is also possible to connect various rotating elements which are connected and rotated together with the winding roll 10 and connected to the driving motor 410 to rotate together,
- the rotation mediating unit 423 may be formed using various types of intermediate structures that can be transmitted. In this embodiment, the rotation mediating unit 423 using gears will be described.
- the first rotating element 421 includes a first sun gear 421a
- the rotation mediating unit 423 includes a plurality of revolving members 421a, 422b that revolve around the first sun gear 421a
- the first planetary gear 423a is coupled to the first rotation plate 423b coupled to the rotation shaft of the first planetary gear 423a and to the first rotation plate 423b on the opposite surface to which the first planetary gear 423a is coupled.
- the second rotary element 422 includes a plurality of second planetary gears 422a that revolve around the second sun gear 423c and a second planetary gear 422b that revolves around the second planetary gear 422a And a second rotating plate 422b to which the rotating shaft is coupled.
- the first sun gear 421a is coupled to the shaft of the drive motor 410 and is connected to the first planetary gear 423a of the rotation intermediate unit 423 and the second planetary gear 422a of the second rotation element 422, Can be in contact with the ring gear 424a formed on the inner circumferential surface of the ring gear portion 424 which accommodates these rotation elements.
- the second rotation plate 422b of the second rotary element 422 may be provided with a connection shaft 422c protruding from the opposite surface to which the second planetary gear 422a is coupled, (See 41 in Figs. 3 and 4) via the shaft member 430.
- the second rotating block (see Fig.
- the shaft member 430 can function as the rotation axis of the second rotation block 41.
- the shaft member 430 can be fixedly engaged with the shaft coupling portion (see 41b in Fig. 3) of the second rotation block 41. [ That is, as described above, the outer peripheral surface of the rotating block (i.e., the second rotating block 41) coupled to the inner peripheral side of the winding roll (see FIG. 4) Rotation can be transmitted between the rotation converting module 420 and the winding roll 10 in both directions.
- the second rotating element 422 and the rotation mediating unit 423 include planetary gears, each of which revolves around the sun gear and changes its rotation ratio, as shown in the figure.
- the first sun gear 421a of the first rotating element 421 is coupled to the shaft of the driving motor 410 and the second rotating plate 422b of the second rotating element 422 is coupled to the shaft of the driving motor 410 via the connecting shaft 422c And rotates synchronously with the second rotation block 41 in association with the shaft member 430.
- the second rotating block 41 is coupled to the take-up roll 10 through the engaging projection (see 41a in FIG.
- the rotary intermediate unit 423 and the first rotary element 421 are located on the same axis through the combination of the sun gear and the planetary gear, Can be effectively transmitted.
- the second rotary element 422 and the rotary intermediate unit 423 are coupled to each other via the second planetary gear 422a and the first planetary gear 423a via the second sun gear 423c, It is possible to change the rotation ratio at least once and rotate the rotation speed by using the idle structure of the gear. Whereby the rotation ratio between the driving motor 410 and the winding roll 10 can be adjusted very appropriately.
- the rotation ratio between the drive motor 410 and the take-up roll 10 is set to, for example, 12: 1 or the like so that the rotation speed of the drive motor 410 can be reduced and transmitted to the take-
- FIG. 7 is a diagram illustrating an operation process of the rotation conversion module of FIG. 3
- FIG. 8 is a schematic view illustrating a control method of the cordless blind device of FIG. 1
- FIGS. 9 to 12 illustrate operations of the cordless blind device of FIG. Fig.
- the rotation conversion module 420 can very effectively transmit bidirectional rotation through a combination of a sun gear and a planetary gear.
- the driving force may be transmitted from the shaft member 430 in the direction of the rotation conversion module 420 (direction A) as shown in FIG. 7A. 3 and 5, the shaft member 430 is coupled to the second rotation block 41 through the first fixing portion 431 and is coupled to the second rotation component 414 through the second fixing portion 432.
- the rotating force of the second rotating block 41 which functions as the rotating shaft of the second rotating block 41 and rotates together with the take-up roll 10 is transmitted to the rotation converting module 420 .
- the second rotation plate 422b of the second rotation component 422 rotates in the same direction to revolve the plurality of second planetary gears 422a.
- the second planetary gear 422a meshes with the ring gear 424a formed on the inner peripheral surface of the ring gear portion 424 and moves so that the direction of rotation is reversed as opposed to the idle direction of the second rotary plate 422b.
- the second sun gear 423c engaged with the second planetary gear 422a is rotated in the direction opposite to the direction of rotation of the second planetary gear 422a.
- the first rotating plate 423b rotates in the same direction as the rotating direction of the second sun gear 423c and the first planetary gear 423a
- the second planetary gear 422a meshes with the ring gear 424a and moves so that the direction of rotation is reversed as opposed to the direction of revolution of the first rotary plate 423b.
- the first sun gear 421a meshed with the first planetary gear 423a rotates in a direction opposite to the direction of rotation of the first planetary gear 423a and transmits rotation to the driving motor 410.
- the rotational driving force can be effectively transmitted from the winding roll 10 in the direction (A direction) of the driving motor 410 through the second rotating element 422, the rotational aiding unit 423 and the first rotating element 421 have.
- the rotation ratio is changed at least once depending on the gear ratio of each planetary gear, the gear ratio of each sun gear, and the gear ratio of the ring gear. Therefore, the rotational speed of the driving motor 410 can be increased and driven by a larger number of rotations than that of the shaft member 430, for example.
- the driving force may be transmitted from the driving motor 410 in the direction of the rotation converting module 420 (direction B).
- the driving force can be very effectively transmitted even in the opposite direction through the inverse process of the above-described rotation process.
- the drive motor 410 rotates, the first sun gear 421a rotates in the same direction, and the first planetary gear 423a meshed with the first sun gear 421a rotates in the opposite direction, The ring gear 424a.
- the first rotary plate 423b coupled with the first planetary gear 423a also rotates in the same direction as the idle direction of the first planetary gear 423a and rotates the second sun gear 423c.
- the second planetary gear 422a rotates in the direction opposite to the rotation direction of the second sun gear 423c and rotates in the reverse direction of the rotation direction of the ring gear 424a.
- the second rotary plate 422b coupled with the second planetary gear 422a rotates in the same direction as the idle direction of the second planetary gear 422a and rotates the shaft member 430 connected to the second rotary plate 422b do.
- the rotation in the same direction as that of the second rotating plate 422b is transmitted to the second rotating block 42 and the winding roll 10 of FIG. 3 and FIG. 4 through the shaft member 430.
- the rotational driving force is also effectively transmitted from the driving motor 410 in the direction (B direction) of the winding roll 10 through the first rotating element 421, the rotating intermediate unit 423 and the second rotating element 422 .
- the rotation ratio may be changed at least once depending on the gear ratio of each planetary gear, the gear ratio of each sun gear, the gear ratio of the ring gear, etc., The rotational speed of the wind-up roll 10 can be reduced and driven.
- bidirectional rotation transmission i.e., transmission of the rotational driving force in the A and B directions described above
- the rotation direction itself transmitted when each driving force is transmitted can be changed freely in any direction regardless of the rotation in the winding direction of the winding roll 10 or the winding direction, Direction or the B direction.
- the cordless blind device can be controlled very conveniently so as to automatically operate at an appropriate time as described above.
- rotational force can be transmitted from the wind-up roll 10 to the drive motor 410 through the rotation conversion module 420.
- the user can apply an external force to the weight member (see 21 in Fig. 1) or the like to release the balance of the force and rotate the winding roll 10.
- the rotation direction can be any of the directions in which the wind-up roll 10 is wound or unwound.
- the rotation of the wind-up roll 10 is transmitted from the wind-up roll 10 to the drive motor 410 Direction (direction A).
- the rotational motion of the driving motor 410 can be detected by the encoder 411.
- the encoder 411 transmits a detection signal of the rotation operation to the control module 412 and the control module 412 can recognize the rotation operation through the detection signal of the encoder 411.
- the control module 412 transmits the control signal S to the drive motor 410 to drive the drive motor 410 as shown in FIG. 8B. Therefore, the driving motor 410 receives the driving force from the take-up roll 10 and is turned into an active rotating body that rotates automatically in the subordinate rotating manual rotating body.
- the transmission direction of the driving force is reversed from the driving motor 410 in the direction (direction B) toward the winding roll 10 through the transmission structure of the rotation conversion module 420 described above, Is rotated in the same direction as the initial rotation. Therefore, the wind-up roll 10 rotates in the initial rotation direction by the driving force of the drive motor 410 and winds or unwinds the screen member (see 20 in Fig. 1). In this way, the cordless blind device can be controlled to operate automatically at the appropriate time.
- the encoder 411 is connected to the driving motor 410 to sense the rotation of the driving motor 410.
- it is also possible to provide an encoder for directly sensing the rotation of the winding roll 10 It is also possible to sense the rotation of the wind-up roll 10 by the encoder and drive the drive motor 410.
- the take-up roll 10 and the drive motor 410 are connected to each other so as to be rotated together with the take-up roll 10 and the drive motor 410.
- the take-up roll 10 and the drive motor 410 are connected to each other,
- the control module 412 can stop the driving of the driving motor 410 when the momentary load of the driving motor 410 increases. That is, when the screen member 20 is completely wound or completely wound to restrict the rotation, the load of the driving motor 410 may be increased. Thus, when the load of the driving motor 410 increases, Can be stopped.
- the driving motor 410 can be driven to rotate by driving a signal.
- the cordless blind device 1 has a torque T1 applied in a first direction in which the weight member 21 is pulled out of the screen member 20 when there is no external force as shown in Fig.
- the torque T2 applied in the second direction in which the screen member 20 is wound is generated in pairs and can be balanced to some extent. However, as described above, these torque pairs may increase or decrease in proportion to each other, but the magnitudes may not completely coincide with each other. As a result, differences in resistance between the rotation converting module 420 and the driving motor 410 connected to the winding roll 10 To balance the force as a whole.
- the resistive forces of the rotation converting module 420 and the driving motor 410 are reflected in the design as elements that are in equilibrium of force, so that the pair of torques formed in opposite directions and the resistive force are balanced, (20) can be kept stationary.
- the torque applied by the torsion spring 30 is transmitted to the rotation conversion module 420 through the frictional resistance of the rotation conversion module 420 (which may be the mechanical frictional resistance including the rotational contact of the gears described above) (Referred to as electromagnetic resistance due to the induced current generated by the rotation of the motor) is set to be larger than the sum of the combined forces, and the balance is broken by the external force.
- the frictional resistance of the rotation conversion module 420 which may be the mechanical frictional resistance including the rotational contact of the gears described above
- electromagnetic resistance due to the induced current generated by the rotation of the motor is set to be larger than the sum of the combined forces, and the balance is broken by the external force.
- this resistance force is set to a magnitude that can offset the difference between the torque applied by the torsion spring 30 in the winding direction and the torque pair in the opposite direction applied by the weight member 21 in the unwinding direction, The force is immediately balanced when removed, so that even a slight external force may be required to be continuously applied in order to wind the screen member 20 to the end.
- the driving force is transmitted to the driving motor 410, and the control module 412, which senses the driving force
- the screen member 20 can be automatically wound by the rotational force of the driving motor 410 as shown in Fig.
- the cordless blind device 1 automatically wound up as described above is rotated by the driving motor 410 ) Is stopped, the force is balanced again in the state where the external force is removed, and the winding roll 10 can be kept stationary at the position.
- the screen member 20 can be automatically wound or released by using the manual control of the user as a kind of operation signal.
- This automatic control makes it possible to operate the cordless blind apparatus 1 more conveniently.
- a slight external force can be applied to release the balance of force, so that the cordless blind apparatus 1 can be freely operated manually or semi-automatically.
- the cordless blind device 1 can be operated in a fully automatic manner without an operation signal such as manual control by automatically operating the drive motor 410 from a remote place with a remote controller or the like.
- cordless blind device 10 winding roll
- connection part 12 battery box
- Torsion spring 31 First rotating block
- first sun gear 422 second rotary element
- connection shaft 423 rotation mediating unit
- first fixing portion 432 second fixing portion
- A, B driving force transmission direction
- the cordless blind device of the present invention can be operated very conveniently without pulling the cord, and can be operated in various operating modes such as manual, semi-automatic, It has an advantage that it can operate. Accordingly, the present invention can solve the structural and functional problems and inconveniences caused by the use of the conventional code, so that the apparatus can be conveniently operated, and the apparatus can be operated in various manners such as manual, semi-automatic, The present invention is highly industrially applicable.
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Abstract
Description
Claims (10)
- 회전축에 결합된 권취롤;상기 권취롤에 권취되거나 권출되는 스크린부재;상기 권취롤에 회전 구동력을 제공하여 상기 스크린부재를 권취하거나 권출하는 구동모터;상기 스크린부재 하단에 연결되어 중력에 의해 상기 권취롤에 상기 스크린부재가 권출되는 제1방향으로 토크를 인가하는 웨이트부재;상기 권취롤에 탄성력을 가하여 상기 스크린부재가 권취되는 제2방향으로 토크를 인가하는 토션스프링; 및상기 구동모터와 상기 권취롤 사이에 결합되며, 상기 구동모터가 제공하는 회전 구동력을 상기 권취롤에 전달하거나, 상기 토션스프링이 상기 권취롤에 제공하는 토크를 상기 구동모터로 전달하여, 양방향으로 동력을 전달하는 회전변환모듈을 포함하며,상기 구동모터가 구동력을 발생시키지 않는 상태에서, 상기 토션스프링에 의해 인가된 토크와, 상기 웨이트부재에 의해 인가된 토크와, 상기 회전변환모듈과 상기 구동모터에 의한 저항력이 평형을 이루어 상기 스크린부재가 정지한 채로 유지되고,상기 웨이트부재에 상방 또는 하방으로 외력이 작용하면, 힘의 평형이 깨져 상기 스크린부재가 상기 권취롤에 권취되거나 권출되는 코드리스 블라인드 장치.
- 제1항에 있어서,상기 토션스프링이 인가하는 토크는 상기 회전변환모듈의 마찰저항력과 상기 구동모터의 회생저항력의 합력보다 크게 설정된 코드리스 블라인드 장치.
- 제1항에 있어서,상기 회전변환모듈은, 상기 구동모터에 연결되어 함께 회전하는 제1회전요소와, 상기 권취롤에 연결되어 회전하는 제2회전요소와, 상기 제1회전요소와 상기 제2회전요소 사이에 개재되어 동력을 전달하는 회전매개유닛을 포함하는 코드리스 블라인드 장치.
- 제3항에 있어서,상기 제1회전요소와 상기 제2회전요소는 회전중심이 동일 축상에 위치하고, 상기 회전매개유닛은 상기 제1회전요소의 회전속도를 감속하여 상기 제2회전요소에 전달하는 코드리스 블라인드 장치.
- 제3항에 있어서,상기 제1회전요소는 제1태양기어를 포함하고,상기 회전매개유닛은 상기 제1태양기어 둘레를 공전하는 복수 개의 제1유성기어와, 상기 제1유성기어의 회전축이 결합된 제1회전판과, 상기 제1유성기어가 결합된 반대면의 상기 제1회전판에 결합된 제2태양기어를 포함하고,상기 제2회전요소는 상기 제2태양기어 둘레를 공전하는 복수 개의 제2유성기어와, 상기 제2유성기어의 회전축이 결합된 제2회전판을 포함하는 코드리스 블라인드 장치.
- 제5항에 있어서,상기 제1유성기어와 상기 제2유성기어가 동시에 내접하는 링기어를 더 포함하는 코드리스 블라인드 장치.
- 제5항에 있어서,외주면이 상기 권취롤 내측에 결합되어 함께 회전하며, 회전축이 상기 제2회전요소에 결합된 회전블록을 더 포함하는 코드리스 블라인드 장치.
- 제1항에 있어서,상기 권취롤 및 구동모터 중 적어도 어느 하나의 회전을 감지하는 엔코더, 및상기 엔코더로부터 회전동작이 감지되면 상기 구동모터를 구동하는 제어모듈을 더 포함하는 코드리스 블라인드 장치.
- 제8항에 있어서,상기 제어모듈은, 상기 구동모터의 동작 중 순간 부하가 증가하면 상기 구동모터의 구동을 정지하는 코드리스 블라인드 장치.
- 제1항에 있어서,상기 구동모터를 제어하되, 상기 구동모터에 기전력이 발생하면 상기 구동모터를 회전 구동하는 제어모듈을 더 포함하는 코드리스 블라인드 장치.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/958,847 US11261659B2 (en) | 2018-01-09 | 2019-01-04 | Cordless blind device |
EP19738594.1A EP3739162A4 (en) | 2018-01-09 | 2019-01-04 | CORDLESS BLIND DEVICE |
CN201980007600.1A CN111566306B (zh) | 2018-01-09 | 2019-01-04 | 无绳百叶窗装置 |
JP2020535570A JP6928212B2 (ja) | 2018-01-09 | 2019-01-04 | コードレスブラインド装置 |
CA3088850A CA3088850C (en) | 2018-01-09 | 2019-01-04 | Cordless blind device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR1020180002823A KR102051896B1 (ko) | 2018-01-09 | 2018-01-09 | 코드리스 블라인드 장치 |
KR10-2018-0002823 | 2018-01-09 |
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WO2019139306A1 true WO2019139306A1 (ko) | 2019-07-18 |
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PCT/KR2019/000163 WO2019139306A1 (ko) | 2018-01-09 | 2019-01-04 | 코드리스 블라인드 장치 |
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US (1) | US11261659B2 (ko) |
EP (1) | EP3739162A4 (ko) |
JP (1) | JP6928212B2 (ko) |
KR (1) | KR102051896B1 (ko) |
CN (1) | CN111566306B (ko) |
CA (1) | CA3088850C (ko) |
WO (1) | WO2019139306A1 (ko) |
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- 2018-01-09 KR KR1020180002823A patent/KR102051896B1/ko active IP Right Grant
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- 2019-01-04 EP EP19738594.1A patent/EP3739162A4/en active Pending
- 2019-01-04 US US16/958,847 patent/US11261659B2/en active Active
- 2019-01-04 CN CN201980007600.1A patent/CN111566306B/zh active Active
- 2019-01-04 JP JP2020535570A patent/JP6928212B2/ja active Active
- 2019-01-04 CA CA3088850A patent/CA3088850C/en active Active
- 2019-01-04 WO PCT/KR2019/000163 patent/WO2019139306A1/ko unknown
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Also Published As
Publication number | Publication date |
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KR20190084728A (ko) | 2019-07-17 |
JP6928212B2 (ja) | 2021-09-01 |
US11261659B2 (en) | 2022-03-01 |
EP3739162A4 (en) | 2021-10-27 |
CA3088850C (en) | 2022-10-04 |
KR102051896B1 (ko) | 2019-12-06 |
CN111566306A (zh) | 2020-08-21 |
CA3088850A1 (en) | 2019-07-18 |
US20210032931A1 (en) | 2021-02-04 |
CN111566306B (zh) | 2022-04-01 |
EP3739162A1 (en) | 2020-11-18 |
JP2021509161A (ja) | 2021-03-18 |
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