US20220248919A1 - Duster cloth for cleaning robot and cleaning robot using same - Google Patents
Duster cloth for cleaning robot and cleaning robot using same Download PDFInfo
- Publication number
- US20220248919A1 US20220248919A1 US17/731,130 US202217731130A US2022248919A1 US 20220248919 A1 US20220248919 A1 US 20220248919A1 US 202217731130 A US202217731130 A US 202217731130A US 2022248919 A1 US2022248919 A1 US 2022248919A1
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- United States
- Prior art keywords
- cleaning robot
- sealing layer
- cloth
- robot according
- sponge
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L1/00—Cleaning windows
- A47L1/02—Power-driven machines or devices
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4036—Parts or details of the surface treating tools
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
- A47L13/16—Cloths; Pads; Sponges
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L2201/00—Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation
Definitions
- the present invention relates to a duster cloth for a cleaning robot and a cleaning robot using the same, which belongs to the technical field of small household electric appliances.
- duster cloth 2 which acts as a constituent part of the negative pressure chamber 400 , does not possess excellent air-tightness, it is likely to cause leakage in the negative pressure chamber 400 , resulting in that the machine is not adsorbed firmly.
- the duster cloth 2 employed by such machine is a common sponge. Although such sponge has a good compression property, the air permeability is too good such that it may cause negative pressure leakage easily, which is not good for the adsorption of the robot.
- the object of the present invention is to provide a duster cloth for a cleaning robot for overcoming the deficiencies in the prior art.
- the duster cloth possesses better elasticity and air-tightness, and can change the air permeability of the ordinary duster cloth effectively so as to overcome the problem of easy negative pressure leakage.
- the present invention provides a duster cloth for a cleaning robot.
- the duster cloth comprises a layer of wiping cloth in contact with a surface to be cleaned.
- the duster cloth further comprises a detachable connection part close to a base of the robot and an elastic sealing layer located between the wiping cloth and the detachable connection part.
- said elastic sealing layer is made of a foamed EPDM material.
- said elastic sealing layer is made of an integral skin sponge.
- said elastic sealing layer comprises a common sponge and one layer of sealing film provided on at least one of the upper side and the lower side of the common sponge.
- said detachable connection part is a Velcro.
- the present invention further provides a cleaning robot comprising a walking unit, a vacuumizing unit and a negative pressure space, wherein the vacuumizing unit comprises a fan motor and fan blades; and the negative pressure space is formed to be surrounded by a base of the robot, a surface to be cleaned and a duster cloth, and said duster cloth comprises a layer of wiping cloth in contact with the surface to be cleaned and further comprises a detachable connection part close to the base of the robot and an elastic sealing layer located between the wiping cloth and the detachable connection part.
- Said elastic sealing layer is made of a foamed EPDM material, an integral skin sponge, or a common sponge being provided with one layer of sealing film on at least one of the upper surface and the lower surface thereof.
- the duster cloth has good elasticity, and the air-tightness of the negative pressure chamber of the cleaning robot is greatly improved.
- FIG. 1 is a schematic diagram of the structure of the adsorption robot according to the prior art
- FIG. 2 is a schematic diagram of the structure of the cleaning robot according to the present invention.
- FIG. 3 is a schematic diagram of the structure of the duster cloth made of a foamed EPDM material according to the first embodiment of the present invention
- FIG. 4 is a schematic diagram of the structure of the duster cloth made of an integral skin sponge according to the second embodiment of the present invention.
- FIG. 5 is a schematic diagram of the structure of the duster cloth made of a sponge according to the third embodiment of the present invention.
- duster cloth of the present invention is further described with reference to FIGS. 2-5 .
- FIG. 2 is a partially sectioned schematic diagram of the cleaning robot in working according to the present invention.
- the cleaning robot comprises a walking unit, a vacuumizing unit and a negative pressure space 17 .
- the walking unit is a driving belt 15 .
- the vacuumizing unit comprises a fan motor 11 and fan blades 12 .
- the negative pressure space 17 is formed to be surrounded by a base 13 of the robot, a surface 16 to be cleaned and a duster cloth 2 .
- the fan motor 11 drives the fan blades 12 to rotate so as to draw off the air from the negative pressure space 17 , the pressure P, which is lower than the outside atmospheric pressure, is quickly formed inside the negative pressure space 17 , and thus the robot is adsorbed onto the surface 16 to be cleaned under such pressure difference.
- the present invention provides a duster cloth with excellent air-tightness, and the duster cloth comprises a detachable connection part close to the base 13 of the robot, a wiping cloth in contact with the surface to be cleaned, and an elastic sealing layer located between the detachable connection part and the wiping cloth.
- the elastic sealing layer is made of a foamed EPDM material, an integral skin sponge, or a common sponge being provided with one layer of sealing film on at least one of the upper side and the lower side thereof.
- the detachable connection part may be a hooked-loop connection member made of a polymer, for example, normally known as a Velcro or a buckle.
- the Velcro is detachably affixed to the base 13 of the machine so as to be replaced for cleaning at an appropriate time.
- the wiping cloth is used to clean the working surface.
- the elastic sealing layer functions to better attach the machine to the surface to be cleaned when the machine is pressed on the surface to be cleaned by the atmospheric pressure.
- FIG. 3 is a schematic diagram of the structure of the first embodiment of the present invention.
- the duster cloth in the present invention consists of three layers, in which the top layer (i.e. the layer close to the base 13 ) is the Velcro 21 , the bottom layer is the wiping cloth 22 , and the elastic sealing layer is made of the foamed
- EPDM (ethylene propylene diene monomer) material 23 and the two surfaces of the elastic sealing layer are attached to the Velcro 21 and the wiping cloth 22 , respectively. Due to the property of the EPDM material, it is possible to effectively improve the air-tightness of the space 17 while the elastic property of the EPDM material is ensured.
- FIG. 4 is a schematic diagram of the structure of the second embodiment of the present invention.
- the present embodiment is different from the first embodiment in that the elastic sealing layer is replaced with an integral skin sponge 33 .
- the integral skin sponge is different from the general sponge, in which the skin and the core of the integral skin sponge are formed at one time during foam molding owing to the foaming composition. Since the integral skin on the surface of the integral skin sponge blocks a part of the channels through which the outside air flows up-and-down when it enters the space 17 , the air-tightness of the space 17 is improved.
- FIG. 5 is a schematic diagram of the structure of the third embodiment of the present invention.
- the present embodiment is different from the first and second embodiments in that the elastic sealing layer comprises a common sponge 43 and one layer of sealing film 24 provided on at least one of the upper side and the lower side of the common sponge.
- the sealing film is provided on the whole periphery of the common sponge.
- the common sponge is relatively thinner, for example, 2-3 mm, it is only necessary to seal at least one of the upper side and the lower side.
- each of the two sides of the common sponge 43 is provided with one layer of the sealing film 24 , that is, there is provided one layer of the sealing film 24 between the common sponge 43 and the Velcro 21 of the top layer, and there is also provided one layer of the sealing film 24 between the common sponge 43 and the wiping cloth 22 of the bottom layer.
- the sealing film may be a plastic film. Since the existence of the film blocks a part of the channels through which the outside air flows up-and-down when it enters the space 17 , it can also achieve the purpose of improving the air-tightness.
- sealing film 24 may be applied to at least one side of the elastic sealing layer of the first and second embodiments as well, which is likely to achieve better air-tightness.
- the duster cloth has good elasticity, and the air-tightness of the negative pressure chamber of the cleaning robot is greatly improved.
Landscapes
- Cleaning In General (AREA)
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
- Manipulator (AREA)
Abstract
The elastic sealing layer is attached to both the detachable connection part (21) and the wiping cloth (22). The elastic sealing layer is made from a foamed EPDM material (23), an integral skin sponge (33) or a common sponge (43), wherein a sealing film (24) is arranged on at least one side of the common sponge (43). The detachable connection part (21) may be a Velcro. With the structure of the elastic sealing layer between the detachable connection part and the wiping cloth, the duster cloth has good elasticity, and the air-tightness of the negative pressure chamber of the cleaning robot is greatly improved.
Description
- The present invention relates to a duster cloth for a cleaning robot and a cleaning robot using the same, which belongs to the technical field of small household electric appliances.
- In the modern life, the cleaning robot has gradually become indispensable. One of the technical essentials is how to adsorb the robot onto a plane, such as glass, with lower power. Chinese patent with the application number of 201420119672.X discloses a glass-wiping adsorption robot, at the bottom of the body of which there is provided a
negative pressure chamber 400 which is formed to be surrounded by the body, aduster cloth 2 and the glass as shown inFIG. 1 . Thenegative pressure chamber 400 is vacuumized via a fan 4 so as to adsorb the machine onto the surface of the glass. If theduster cloth 2, which acts as a constituent part of thenegative pressure chamber 400, does not possess excellent air-tightness, it is likely to cause leakage in thenegative pressure chamber 400, resulting in that the machine is not adsorbed firmly. Theduster cloth 2 employed by such machine is a common sponge. Although such sponge has a good compression property, the air permeability is too good such that it may cause negative pressure leakage easily, which is not good for the adsorption of the robot. - The object of the present invention is to provide a duster cloth for a cleaning robot for overcoming the deficiencies in the prior art. The duster cloth possesses better elasticity and air-tightness, and can change the air permeability of the ordinary duster cloth effectively so as to overcome the problem of easy negative pressure leakage.
- The object of the present invention is realized through the following technical solutions:
- The present invention provides a duster cloth for a cleaning robot. The duster cloth comprises a layer of wiping cloth in contact with a surface to be cleaned. The duster cloth further comprises a detachable connection part close to a base of the robot and an elastic sealing layer located between the wiping cloth and the detachable connection part.
- Preferably, said elastic sealing layer is made of a foamed EPDM material.
- Preferably, said elastic sealing layer is made of an integral skin sponge.
- Preferably, said elastic sealing layer comprises a common sponge and one layer of sealing film provided on at least one of the upper side and the lower side of the common sponge.
- Preferably, said detachable connection part is a Velcro.
- The present invention further provides a cleaning robot comprising a walking unit, a vacuumizing unit and a negative pressure space, wherein the vacuumizing unit comprises a fan motor and fan blades; and the negative pressure space is formed to be surrounded by a base of the robot, a surface to be cleaned and a duster cloth, and said duster cloth comprises a layer of wiping cloth in contact with the surface to be cleaned and further comprises a detachable connection part close to the base of the robot and an elastic sealing layer located between the wiping cloth and the detachable connection part.
- Said elastic sealing layer is made of a foamed EPDM material, an integral skin sponge, or a common sponge being provided with one layer of sealing film on at least one of the upper surface and the lower surface thereof.
- In the present invention, with the structure of the elastic sealing layer between the Velcro and the wiping cloth, the duster cloth has good elasticity, and the air-tightness of the negative pressure chamber of the cleaning robot is greatly improved.
- The technical solution of the present invention now will be described in detail with reference to the accompanying drawings and specific embodiments.
-
FIG. 1 is a schematic diagram of the structure of the adsorption robot according to the prior art; -
FIG. 2 is a schematic diagram of the structure of the cleaning robot according to the present invention; -
FIG. 3 is a schematic diagram of the structure of the duster cloth made of a foamed EPDM material according to the first embodiment of the present invention; -
FIG. 4 is a schematic diagram of the structure of the duster cloth made of an integral skin sponge according to the second embodiment of the present invention; and -
FIG. 5 is a schematic diagram of the structure of the duster cloth made of a sponge according to the third embodiment of the present invention. - The duster cloth of the present invention is further described with reference to
FIGS. 2-5 . -
FIG. 2 is a partially sectioned schematic diagram of the cleaning robot in working according to the present invention. As shown inFIG. 2 , the cleaning robot comprises a walking unit, a vacuumizing unit and anegative pressure space 17. In the present embodiment, the walking unit is adriving belt 15. The vacuumizing unit comprises afan motor 11 andfan blades 12. Thenegative pressure space 17 is formed to be surrounded by abase 13 of the robot, asurface 16 to be cleaned and aduster cloth 2. When thefan motor 11 drives thefan blades 12 to rotate so as to draw off the air from thenegative pressure space 17, the pressure P, which is lower than the outside atmospheric pressure, is quickly formed inside thenegative pressure space 17, and thus the robot is adsorbed onto thesurface 16 to be cleaned under such pressure difference. - During this process, actually the air may continuously enter the
negative pressure space 17 through theduster cloth 2. If the air-tightness of theduster cloth 2 is not good enough, the pressure P will not reach a relatively small value. In view of this, the present invention provides a duster cloth with excellent air-tightness, and the duster cloth comprises a detachable connection part close to thebase 13 of the robot, a wiping cloth in contact with the surface to be cleaned, and an elastic sealing layer located between the detachable connection part and the wiping cloth. The elastic sealing layer is made of a foamed EPDM material, an integral skin sponge, or a common sponge being provided with one layer of sealing film on at least one of the upper side and the lower side thereof. Further, the detachable connection part may be a hooked-loop connection member made of a polymer, for example, normally known as a Velcro or a buckle. The Velcro is detachably affixed to thebase 13 of the machine so as to be replaced for cleaning at an appropriate time. The wiping cloth is used to clean the working surface. The elastic sealing layer functions to better attach the machine to the surface to be cleaned when the machine is pressed on the surface to be cleaned by the atmospheric pressure. Hereinafter, the three embodiments of the present invention will be described with reference toFIGS. 3-5 . -
FIG. 3 is a schematic diagram of the structure of the first embodiment of the present invention. As shown inFIG. 3 , the duster cloth in the present invention consists of three layers, in which the top layer (i.e. the layer close to the base 13) is the Velcro 21, the bottom layer is thewiping cloth 22, and the elastic sealing layer is made of the foamed - EPDM (ethylene propylene diene monomer)
material 23 and the two surfaces of the elastic sealing layer are attached to the Velcro 21 and thewiping cloth 22, respectively. Due to the property of the EPDM material, it is possible to effectively improve the air-tightness of thespace 17 while the elastic property of the EPDM material is ensured. -
FIG. 4 is a schematic diagram of the structure of the second embodiment of the present invention. As shown inFIG. 4 , the present embodiment is different from the first embodiment in that the elastic sealing layer is replaced with anintegral skin sponge 33. The integral skin sponge is different from the general sponge, in which the skin and the core of the integral skin sponge are formed at one time during foam molding owing to the foaming composition. Since the integral skin on the surface of the integral skin sponge blocks a part of the channels through which the outside air flows up-and-down when it enters thespace 17, the air-tightness of thespace 17 is improved. -
FIG. 5 is a schematic diagram of the structure of the third embodiment of the present invention. As shown inFIG. 5 , the present embodiment is different from the first and second embodiments in that the elastic sealing layer comprises acommon sponge 43 and one layer ofsealing film 24 provided on at least one of the upper side and the lower side of the common sponge. Preferably, the sealing film is provided on the whole periphery of the common sponge. When the common sponge is relatively thinner, for example, 2-3 mm, it is only necessary to seal at least one of the upper side and the lower side. In the present embodiment, each of the two sides of thecommon sponge 43 is provided with one layer of thesealing film 24, that is, there is provided one layer of thesealing film 24 between thecommon sponge 43 and the Velcro 21 of the top layer, and there is also provided one layer of thesealing film 24 between thecommon sponge 43 and thewiping cloth 22 of the bottom layer. The sealing film may be a plastic film. Since the existence of the film blocks a part of the channels through which the outside air flows up-and-down when it enters thespace 17, it can also achieve the purpose of improving the air-tightness. - Of course, said sealing
film 24 may be applied to at least one side of the elastic sealing layer of the first and second embodiments as well, which is likely to achieve better air-tightness. - In conclusion, in the present invention, with the structure of the elastic sealing layer, which is made of the foamed EPDM material, the integral skin sponge, or the common sponge being provided with one layer of sealing film on at least one side thereof, between the Velcro and the wiping cloth, the duster cloth has good elasticity, and the air-tightness of the negative pressure chamber of the cleaning robot is greatly improved.
Claims (15)
1. A cleaning robot, comprising: a negative pressure space; wherein,
the negative pressure space is formed to be surrounded by a base of the robot, a surface to be cleaned and a duster cloth;
and wherein, the duster cloth comprises a layer of wiping cloth in contact with the surface to be cleaned, a detachable connection part close to and detachable from a base of the robot, and a sealing layer located between the wiping cloth and the detachable connection part, the sealing layer comprises a sealing film, and the sealing film is provided on at least one of an upper side and an lower side of the sealing layer.
2. The cleaning robot according to claim 1 , wherein the sealing layer is made of a foamed EPDM material.
3. The cleaning robot according to claim 1 , wherein the sealing layer is made of a sponge made by an integral skin foaming processing, and wherein the sponge made by the integral skin foaming processing has a skin with a first density and a core with a second density, and the first density is larger than the second density.
4. The cleaning robot according to claim 1 , wherein the sealing layer comprises a sponge and one layer of sealing film provided on at least one of the upper side and the lower side of the sponge.
5. The cleaning robot according to claim 1 , wherein said detachable connection part is a hooked-loop connection member.
6. The cleaning robot according to claim 3 , wherein the thickness of the sponge is larger than 2 mm and less than 3 mm.
7. The cleaning robot according to claim 4 , wherein the thickness of the sponge is larger than 2 mm and less than 3 mm.
8. The cleaning robot according to claim 1 , further comprising: a walking unit, and a vacuumizing unit; wherein,
the vacuumizing unit comprises a fan motor and fan blades.
8. The cleaning robot according to claim 1 , wherein the duster cloth surrounds a sealing chamber.
9. The cleaning robot according to claim 1 , wherein the sealing layer is elastic.
10. The cleaning robot according to claim 1 , wherein the duster cloth is an independent integrated element related to the base of the robot.
11. A cleaning robot, comprising: a negative pressure space; wherein,
the negative pressure space is formed to be surrounded by a base of the robot, a surface to be cleaned and a duster cloth;
and wherein, the duster cloth comprises a layer of wiping cloth in contact with the surface to be cleaned, a detachable connection part close to and detachable from a base of the robot, and a sealing layer located between the wiping cloth and the detachable connection part, and the sealing layer is elastic.
12. The cleaning robot according to claim 11 , wherein the duster cloth is an independent integrated element related to the base of the robot.
13. The cleaning robot according to claim 11 , wherein the cleaning robot is adsorbed onto a surface through the negative pressure space.
14. The cleaning robot according to claim 11 , wherein the sealing layer comprises a sealing film, and the sealing film is provided on at least one of an upper side and a lower side of the sealing layer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US17/731,130 US20220248919A1 (en) | 2014-09-15 | 2022-04-27 | Duster cloth for cleaning robot and cleaning robot using same |
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420528539.XU CN204071980U (en) | 2014-09-15 | 2014-09-15 | For clean robot rag and adopt the clean robot of this rag |
CN201420528539X | 2014-09-15 | ||
PCT/CN2015/089620 WO2016041487A1 (en) | 2014-09-15 | 2015-09-15 | Duster cloth for cleaning robot and cleaning robot using same |
US201715510435A | 2017-03-23 | 2017-03-23 | |
US17/731,130 US20220248919A1 (en) | 2014-09-15 | 2022-04-27 | Duster cloth for cleaning robot and cleaning robot using same |
Related Parent Applications (2)
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US15/510,435 Division US11350804B2 (en) | 2014-09-15 | 2015-09-15 | Duster cloth for cleaning robot and cleaning robot using same |
PCT/CN2015/089620 Division WO2016041487A1 (en) | 2014-09-15 | 2015-09-15 | Duster cloth for cleaning robot and cleaning robot using same |
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US20220248919A1 true US20220248919A1 (en) | 2022-08-11 |
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US15/510,435 Active 2036-11-17 US11350804B2 (en) | 2014-09-15 | 2015-09-15 | Duster cloth for cleaning robot and cleaning robot using same |
US17/731,130 Pending US20220248919A1 (en) | 2014-09-15 | 2022-04-27 | Duster cloth for cleaning robot and cleaning robot using same |
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US15/510,435 Active 2036-11-17 US11350804B2 (en) | 2014-09-15 | 2015-09-15 | Duster cloth for cleaning robot and cleaning robot using same |
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US (2) | US11350804B2 (en) |
EP (1) | EP3195775B1 (en) |
JP (1) | JP6696680B2 (en) |
CN (1) | CN204071980U (en) |
WO (1) | WO2016041487A1 (en) |
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CN204071980U (en) * | 2014-09-15 | 2015-01-07 | 科沃斯机器人有限公司 | For clean robot rag and adopt the clean robot of this rag |
CN108057649B (en) * | 2017-12-22 | 2024-07-02 | 南京崇权吾环保科技有限公司 | Multifunctional scrubber |
CN108095297A (en) * | 2017-12-22 | 2018-06-01 | 郑州玖意优创商贸有限公司 | Multi-functional Lighting scourer |
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2014
- 2014-09-15 CN CN201420528539.XU patent/CN204071980U/en active Active
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2015
- 2015-09-15 JP JP2017533676A patent/JP6696680B2/en active Active
- 2015-09-15 WO PCT/CN2015/089620 patent/WO2016041487A1/en active Application Filing
- 2015-09-15 US US15/510,435 patent/US11350804B2/en active Active
- 2015-09-15 EP EP15841352.6A patent/EP3195775B1/en active Active
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2022
- 2022-04-27 US US17/731,130 patent/US20220248919A1/en active Pending
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EP3195775A1 (en) | 2017-07-26 |
US20170265695A1 (en) | 2017-09-21 |
EP3195775B1 (en) | 2021-03-10 |
EP3195775A4 (en) | 2018-06-13 |
JP6696680B2 (en) | 2020-05-20 |
JP2017530843A (en) | 2017-10-19 |
WO2016041487A1 (en) | 2016-03-24 |
CN204071980U (en) | 2015-01-07 |
US11350804B2 (en) | 2022-06-07 |
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