WO2020195868A1 - Outil électrique à batterie - Google Patents

Outil électrique à batterie Download PDF

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Publication number
WO2020195868A1
WO2020195868A1 PCT/JP2020/010698 JP2020010698W WO2020195868A1 WO 2020195868 A1 WO2020195868 A1 WO 2020195868A1 JP 2020010698 W JP2020010698 W JP 2020010698W WO 2020195868 A1 WO2020195868 A1 WO 2020195868A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
housing
power tool
powered power
air
Prior art date
Application number
PCT/JP2020/010698
Other languages
English (en)
Japanese (ja)
Inventor
崇太 藤森
聡哉 横山
淳 井戸田
史雄 稲垣
Original Assignee
日東工器株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 日東工器株式会社 filed Critical 日東工器株式会社
Priority to CN202080024367.0A priority Critical patent/CN113661032A/zh
Priority to JP2021509019A priority patent/JP7220279B2/ja
Priority to DE112020001504.1T priority patent/DE112020001504T5/de
Priority to AU2020249745A priority patent/AU2020249745B2/en
Publication of WO2020195868A1 publication Critical patent/WO2020195868A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • B25F5/008—Cooling means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B45/00—Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
    • B23B45/001—Housing of the drill, e.g. handgrip
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
    • B25H1/0021—Stands, supports or guiding devices for positioning portable tools or for securing them to the work
    • B25H1/0057—Devices for securing hand tools to the work
    • B25H1/0064—Stands attached to the workpiece
    • B25H1/0071—Stands attached to the workpiece by magnetic means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2250/00—Compensating adverse effects during turning, boring or drilling
    • B23B2250/12—Cooling and lubrication
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2260/00—Details of constructional elements
    • B23B2260/024—Batteries

Definitions

  • the present invention relates to a battery-powered power tool, and more particularly to a battery-powered power tool having a structure in which outside air is sucked into the housing by a cooling fan arranged in the housing to cool a member arranged in the housing. ..
  • Power tools are generally used in dusty and dusty environments. It is also sometimes used in an environment wet with water or oil. In particular, in the case of an electric tool for cutting or drilling a work piece such as a jigsaw or a punch, chips of the work piece are generated.
  • a power tool having a cooling structure as described above is used in such an environment, dust such as chips, water, oil, etc. scattered around the work piece together with the outside air from the intake port are combined with the tool. It may be sucked into the main body and cause the motor or circuit in the tool body to break down.
  • An object of the present invention is to provide a battery-powered power tool capable of suppressing such dust and the like from being sucked into the tool body.
  • a housing having a bottom wall on the side facing the workpiece during machining work, a top wall at an upper position facing the bottom wall, and a peripheral wall between the bottom wall and the top wall, and the outside of the housing is inside the housing. It has an intake port for taking in the air and an exhaust port for discharging air from the housing to the outside of the housing, and at least the intake port is a housing provided on the peripheral wall.
  • a tool drive unit attached to the housing and driven by the motor It is mounted inside the housing and rotates with the rotation of the motor, and air outside the housing is sucked into the housing through the intake port and discharged to the outside of the housing through the exhaust port, and the inside of the housing is cooled by the air.
  • a cooling fan to be A battery mounting portion that is provided on the peripheral wall of the housing and detachably mounts a battery that supplies electric power to the motor on the outer surface of the peripheral wall. When the battery is mounted, the battery and the peripheral wall thereof. An air intake space having an upward opening directed upward is defined between the portion provided with the intake port, and when the cooling fan rotates, the upward opening, the air intake space, and the air intake space are defined.
  • a battery mounting part that allows air to be sucked into the housing through the intake port, To provide a battery-powered power tool having.
  • the air sucked into the housing is mainly sucked from above. Therefore, especially when cutting a horizontally placed work piece from above, the work is performed. It is possible to prevent the cutting pieces and dust scattered on the work piece and workbench around the battery-powered power tool being sucked into the housing. Further, by forming such an air intake space by using the mounted battery, the shape of the housing is simpler than that in the case where a similar air intake space is formed in the housing itself. It becomes possible to make it.
  • the terms such as "upper”, “bottom wall”, and “top wall” used in the present specification are used to define the relative positional relationship of the battery-powered power tool in the housing. It is not intended to specify the absolute position or direction with respect to the direction of gravity.
  • the “top wall” is located below the “bottom wall”, and the direction of the battery-powered power tool is based on the vertical direction. It does not always match the direction.
  • the battery mounting portion can have a bottom plate extending from the peripheral wall of the housing so as to cover the bottom surface of the mounted battery at least partially from below.
  • the bottom plate is positioned to shield the air intake space from scattered workpieces such as facets and worktables, and the facets into the housing. It is possible to more reliably suppress suction such as.
  • the battery mounting portion is provided with a battery facing portion that prevents air from flowing into the air intake space from below in contact with or close to the mounted battery at a position below the intake port. You can also do it.
  • the air intake space may also have a side opening that opens toward at least one of the left and right directions to allow air to flow into the air intake space. It assists in sucking air into the housing.
  • the battery mounting portion is such that an extension lower space continuous with the air intake space is defined between the peripheral wall and the battery at a position continuing downward from the intake port. You can also do it. Considering the relatively heavy dust that may be contained in the air that has flowed into the upward opening, such dust falls into the extension lower space when it is changed direction and sucked into the intake port. It is possible to prevent suction into the housing.
  • the tool drive portion is arranged in the front portion of the housing, the peripheral wall is composed of a front side wall portion, a rear side wall portion, and left and right side wall portions, and the intake port is rearward. It can be provided on the side wall so that the battery mounting portion is provided on the rear side wall.
  • the housing has a rectangular parallelepiped shape extending in the front-rear direction, and the tool drive unit, the cooling fan, and the motor are arranged in the housing in the horizontal direction in order from the front to the rear and mounted in the housing. You can also have it. By doing so, it is possible to reduce the vertical width of the housing and reduce the length of the battery-powered power tool.
  • At least a part of a control circuit for controlling the motor is arranged between the motor and the intake port, and the housing is provided with air sucked from the intake port.
  • the battery-powered power tool according to the present invention is further provided with a motor holding member which is tubular and holds the motor coaxially inside, and air sucked from the intake port passes through the motor holding member. After that, it can be directed to the exhaust port. This is to perform forced cooling of the motor.
  • the exhaust port can be provided at a position adjacent to the cooling fan. This is to efficiently exhaust air in order to improve the cooling effect.
  • the battery mounting portion can be mounted so that the battery fits within the height width of the housing. This is to reduce the length of the battery-powered power tool.
  • the battery-powered power tool according to the present invention can be further attached to the lower surface side of the bottom wall of the housing to further include a fixture for fixing the housing to the workpiece.
  • the battery-powered power tool can be fixed to the work piece.
  • the fixture may be one that is mechanically fixed or one that is magnetically fixed.
  • the bottom wall has a horizontal portion extending horizontally from the front to the rear and an inclined portion inclined rearward and downward from the rear end of the horizontal portion to the rear end of the housing, and the fixture has the fixture.
  • Attached to a horizontal portion the fixture may be provided with a stabilizer that extends rearward to the underside of the battery mount.
  • the stabilizer is for preventing the battery-powered tool from being lifted from the work piece due to the reaction when the tool is pressed against the work piece in the work of the battery-powered power tool.
  • the stabilizer can also protect the battery mount if the battery-powered tool is accidentally dropped.
  • the tool drive portion has a tool mounting portion at the lower end thereof to which a work tool can be detachably attached, a retracting position where the tool mounting portion is retracted into the housing, and the tool mounting portion is the housing. It can be made displaceable from the extension position extending downward from.
  • the housing is rotatably attached to the housing about an axis extending horizontally in the left-right direction of the housing between a pair of legs and the legs.
  • An inverted U-shaped handle composed of an extending grip portion, the grip portion extending upward from the axis so that the grip portion can be gripped by the user, and the grip portion of the housing.
  • a handle that can be displaced from a storage position that is housed in a recess provided in the top wall can be provided. This is intended to facilitate the carrying of the battery-powered power tool.
  • FIG. 3 is a cross-sectional view taken along the line III-III of FIG. It is a perspective view of the battery-powered power tool of FIG. 1 with the battery removed.
  • the battery-powered power tool 1 includes a tool body 10 and a fixing portion 12 attached to the lower side of the tool body 10.
  • a battery 14 is detachably attached to the rear portion of the tool body 10.
  • An annular cutter (working tool) 16 is detachably attached to the front position of the tool body 10.
  • the fixing portion 12 includes an electromagnet type fixing tool 20 and a stabilizer 22 extending rearward from the electromagnet type fixing tool 20.
  • the battery-powered power tool 1 is a drilling machine in which a rotating annular cutter 16 is lowered by operating a lever 18 to drill a metal workpiece.
  • the tool body 10 When performing the drilling process, the tool body 10 is fixed to the workpiece by magnetically attracting the electromagnet type fixture 20 of the fixing portion 12 to the workpiece.
  • the annular cutter 16 pressed against the work piece receives a force that lifts the front part of the tool body 10 upward due to the reaction force received from the work piece, but the stabilizer 22 comes into contact with the work piece. By doing so, it is more surely prevented from floating.
  • the tool body 10 includes a housing 24, a motor 26 arranged in the housing 24, a cooling fan 30 attached to a rotating shaft 28 of the motor 26, and driving power to the motor 26.
  • a battery mounting portion 32 to which the battery 14 for supplying the power is mounted.
  • the motor 26 is arranged so that its rotation axis R faces the front-rear direction (horizontal direction as seen in the drawing) of the tool body 10, and is coaxial with the inside of the motor holding member 34 extending in the front-rear direction in a tubular shape in the housing 24. It is held in a shape.
  • the rotating shaft 28 of the motor 26 is driven and connected to the tool driving unit 38 via the reduction gear mechanism 36.
  • the tool drive unit 38 is a tubular member that can rotate about a rotation axis extending vertically as a whole and can be displaced in the vertical direction, and an annular cutter 16 is detachably attached to the lower end thereof.
  • a tool mounting portion 40 is provided.
  • the tool drive unit 38 is provided with a feed mechanism 44 including a rack 42 provided so as to extend vertically on the outer surface thereof and a pinion 41 attached to the rotation shaft of the lever 18 and meshing with the rack 42. It moves up and down with the rotation operation.
  • the tool drive portion 38 is displaceable between a retracted position in which the tool mounting portion 40 is retracted into the housing 24 and an extension position in which the tool mounting portion 40 extends downward from the housing 24. ..
  • a tool drive unit 38, a feed mechanism 44, a reduction gear mechanism 36, a cooling fan 30, and a motor 26 are arranged in this order in the horizontal direction from the front to the rear of the housing 24.
  • the housing 24 has a rectangular parallelepiped shape that extends long in the front-rear direction as a whole.
  • the housing has a bottom wall 24-1 such that the fixing portion 12 is fixed to the work piece and faces the work piece when drilling, and a top wall at an upper position facing the bottom wall 24-1. It has a 24-2 and a peripheral wall 24-3 between the bottom wall 24-1 and the top wall 24-2.
  • the peripheral wall 24-3 is composed of a front side wall portion 24-4, a rear side wall portion 24-5, and left and right side wall portions 24-6 extending between the front side wall portion 24-4 and the rear side wall portion 24-5. .
  • the housing 24 has an intake port 46 for sucking outside air into the housing 24 on the rear side wall portion 24-5 of the peripheral wall 24-3.
  • the housing 24 has an exhaust port 48 for exhausting the outside air sucked from the intake port 46 on the left and right side wall portions 24-6 of the peripheral wall 24-3.
  • the intake port 46 is composed of a plurality of slit-shaped holes extending in the lateral direction, and is usually attached with a wire mesh filter 50.
  • a louver 52 extending diagonally upward toward the front is formed in the inner portion of the housing 24 of the intake port 46. The louver 52 prevents water from entering through the intake port 46.
  • the exhaust port 48 is arranged so as to face diagonally rearward at a position adjacent to the cooling fan 30.
  • the bottom wall 24-1 has a horizontal portion 24-1a extending rearward from the front position and an inclined portion 24-1b extending rearwardly and downwardly from the horizontal portion 24-1a to the rear end of the housing 24.
  • An electromagnet type fixture 20 is fixed to the horizontal portion 24-1a, and the stabilizer 22 passes under the inclined portion 24-1-1b and is located under the battery 14.
  • the battery 14 is fitted within the height width of the housing 24, and the electromagnet type fixture 20 and the battery 14 are compactly fitted in the vertical direction of the battery-powered power tool 1. .
  • the housing 24 is provided with a handle 25 for carrying the battery-powered power tool 1.
  • the handle 25 is an inverted U composed of a pair of legs 25-1 rotatably attached to the housing 24 about an axis extending horizontally in the left-right direction and a grip 25-2 extending between the legs. It has a character shape, and the grip portion 25-1 extends upward so that the grip portion 25-2 can be gripped by the user, and the grip portion 25-2 is provided on the top wall 24-2 of the housing 24. It is possible to displace it from the storage position stored in the recessed recess 24-7.
  • a control circuit 56 for controlling the motor 26 is further arranged in the housing 24.
  • the control circuit 56 includes a circuit board 58 arranged in the front-rear direction on the upper side of the motor 26, an FET (field effect transistor) 60 arranged so as to extend downward from the circuit board 58, and a heat radiation fin 61 sandwiched between the FET 60s. And have.
  • the FET 60 and the heat radiation fin 61 which are a part of the control circuit 56, are located between the intake port 46 and the motor 26.
  • the FET 60 is an electronic component for adjusting the electric power supplied from the battery 14 to the motor 26, and heat is generated to a high temperature because a relatively large current flows.
  • the air that has passed through the FET 60 and the heat radiating fin 61 cools the motor 26 by passing between the stator 66 of the motor 26 and the rotor 68 in the motor holding member 34.
  • the air that has passed between the stator 66 and the rotor 68 passes through the cooling fan 30 and is exhausted from the exhaust port 48 to the outside of the housing 24. Since the exhaust port 48 faces diagonally rearward, the air is exhausted toward the rear.
  • the battery-powered power tool 1 can efficiently cool the FET 60 and the motor 26 that generate heat during driving.
  • chips generated during drilling with the annular cutter 16 are prevented from being blown up by the exhaust.
  • the battery mounting portion 32 extends rearward from the bottom plate 32-1 extending rearward from the bottom wall 24-1 of the housing 24 and the left and right side wall portions 24-6 of the housing 24 so as to cover the bottom surface of the battery 14 from below.
  • a support side portion 32-2 that supports the battery 14 from both sides, a battery facing portion 32-3 that extends vertically between both support side portions 32-2 and substantially contacts the mounted battery 14, and the battery.
  • a terminal portion 32-4 provided at an intermediate position in the vertical direction (FIG. 4) of the facing portion 32-3 and electrically connected to the connection terminal of the mounted battery 14, and a center position in the width direction of the battery facing portion 32-3.
  • the intake port 46 is provided at a position above the rear side wall portion 24-5 of the housing 24 located in front of the battery facing portion 32-3, and when the battery 14 is mounted on the battery mounting portion 32, the intake port 46 is provided.
  • An air intake space 74 having an upward opening 74-1 that opens upward is formed between the upper half portion of the rear side wall portion 24-5 provided with the 46 and the battery 14, and the air intake space 74 is formed from the intake port 46.
  • An extension lower space 76 continuous with the air intake space 74 is formed between the battery 14 and the rear side wall portion 24-5 at a position continuing to the lower side. In the illustrated example, the extension lower space 76 is provided so as to open laterally on both sides of the lock portion 32-6. The extension lower space 76 changes direction in the air intake space 74 and makes it possible to store dust falling from the outside air sucked into the intake port 46.
  • the air intake space 74 opened upward is formed between the battery 14 and the intake port 46 as described above, the outside air sucked from the intake port 46 is mainly upward. It will be sucked from below and will not be sucked from below. Therefore, in the drilling work, it is possible to suppress the suction of the facets and the like scattered around the battery-powered power tool 1. Further, by forming such an air intake space 74 by using the detachably mounted battery 14, as compared with the case where a similar air intake space 74 is formed only by the housing 24, The shape of the housing 24 can be simplified. In the embodiment, the air intake space 74 has a side opening 74-2 that opens to the left and right to allow air to flow into the air intake space 74.
  • the present invention is not limited to this embodiment.
  • the tool drive unit is arranged in the front part of the tool body and the intake port is arranged in the rear position, but other arrangements such as providing the intake port on either the left or right side wall portion are provided. It can also be.
  • the fixture does not use an electromagnet, but may be in another form such as vacuum suction or a vise, and the fixing portion does not necessarily have to be provided.
  • a drill device that uses a drill as a work tool, or a jigsaw that uses a saw tooth as a work tool so that the tool mounting part is driven up and down, is a battery-powered electric machine other than a drilling machine. It may be used as a tool.
  • Battery-powered power tool 10 Tool body 12 Fixed part 14 Battery 16 Ring cutter (work tool) 18 Lever 20 Electromagnetic fixture 22 Stabilizer 24 Housing 24-1 Bottom wall 24-1a Horizontal part 24-1b Inclined part 24-2 Top wall 24-3 Peripheral wall 24-4 Front side wall part 24-5 Rear side wall part 24-6 Side wall part 24-7 Recessed part 25 Handle 25-1 Leg part 25-2 Grip part 26 Motor 28 Rotating shaft 30 Cooling fan 32 Battery mounting part 32-1 Bottom plate 32-2 Support side part 32-3 Battery facing part 32-4 Terminal Part 32-5 Surface 32-6 Lock part 32-7 Lock groove 34 Motor holding member 36 Reduction gear mechanism 38 Tool drive part 40 Tool mounting part 41 Pinion 42 Rack 44 Feed mechanism 46 Intake port 48 Exhaust port 50 Wire mesh filter 52 Louver 56 Control circuit 58 Circuit board 60 FET (Field effect transistor) 61 Heat dissipation fin 62 Wall surface 64 Guide part 66 Stator 68 Rotor 74 Air intake space 74-1 Upward opening 74-2 Side opening 76 Extension lower space R Rotating axis

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Battery Mounting, Suspending (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
  • Drilling And Boring (AREA)
  • Portable Power Tools In General (AREA)

Abstract

Le problème décrit par la présente invention est de fournir un outil électrique à batterie conçu pour pouvoir empêcher l'aspiration de poussière externe, etc., dans un corps d'outil. La solution de l'invention porte sur un outil électrique à batterie (1) comportant : un boîtier (24) ayant un orifice d'admission (46) et un orifice d'échappement (48) ; un moteur (26) qui est monté dans le boîtier ; une partie de commande d'outil (38) qui est mise en rotation par le moteur (26) ; un ventilateur de refroidissement (30) qui tourne conjointement avec le moteur (26) ; et une partie de fixation de batterie (32) qui est disposée sur une paroi périphérique (24-3) du boîtier (24) et qui permet à la batterie (14) d'être fixée amovible sur la surface externe de la paroi périphérique (24-3). La partie de fixation de batterie (32) définit un espace d'admission d'air (74) qui a une ouverture vers le haut (74-1) disposée, de façon à être dirigée vers le haut, entre la batterie (14) fixée et une partie, de la paroi périphérique (24-3), où est ménagé l'orifice d'admission (46).
PCT/JP2020/010698 2019-03-25 2020-03-12 Outil électrique à batterie WO2020195868A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN202080024367.0A CN113661032A (zh) 2019-03-25 2020-03-12 电池式电动工具
JP2021509019A JP7220279B2 (ja) 2019-03-25 2020-03-12 バッテリ式電動工具
DE112020001504.1T DE112020001504T5 (de) 2019-03-25 2020-03-12 Batteriebetriebenes Elektrowerkzeug
AU2020249745A AU2020249745B2 (en) 2019-03-25 2020-03-12 Battery-operated electric tool

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019057044 2019-03-25
JP2019-057044 2019-03-25

Publications (1)

Publication Number Publication Date
WO2020195868A1 true WO2020195868A1 (fr) 2020-10-01

Family

ID=72611419

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2020/010698 WO2020195868A1 (fr) 2019-03-25 2020-03-12 Outil électrique à batterie

Country Status (5)

Country Link
JP (1) JP7220279B2 (fr)
CN (1) CN113661032A (fr)
AU (1) AU2020249745B2 (fr)
DE (1) DE112020001504T5 (fr)
WO (1) WO2020195868A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022150852A1 (fr) * 2021-01-11 2022-07-14 Black & Decker Inc. Perceuse à colonne magnétique

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JP5355717B2 (ja) * 2009-12-24 2013-11-27 日東工器株式会社 可搬式ボール盤
JP2017144539A (ja) * 2016-02-19 2017-08-24 株式会社マキタ 作業工具
WO2018168421A1 (fr) * 2017-03-15 2018-09-20 株式会社マキタ Machine de polissage portable

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JP4998846B2 (ja) 2007-01-18 2012-08-15 日立工機株式会社 コードレス電動工具
JP5886786B2 (ja) * 2013-05-08 2016-03-16 日東工器株式会社 バッテリ式穿孔機
EP3208049B1 (fr) * 2016-02-19 2018-05-09 Makita Corporation Outil de travail
JP6320453B2 (ja) * 2016-05-13 2018-05-09 株式会社マキタ 電動工具のセット
CN206122746U (zh) * 2016-10-13 2017-04-26 天津智目科技发展有限公司 一种装饰装修专用的防电机烧坏且可测深度的电钻
CN206811886U (zh) * 2017-03-16 2017-12-29 苏州宝时得电动工具有限公司 动力装置及设有该动力装置的动力工具
CN208483800U (zh) * 2018-06-29 2019-02-12 苏州宝时得电动工具有限公司 手持电动工具

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5355717B2 (ja) * 2009-12-24 2013-11-27 日東工器株式会社 可搬式ボール盤
JP2017144539A (ja) * 2016-02-19 2017-08-24 株式会社マキタ 作業工具
WO2018168421A1 (fr) * 2017-03-15 2018-09-20 株式会社マキタ Machine de polissage portable

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022150852A1 (fr) * 2021-01-11 2022-07-14 Black & Decker Inc. Perceuse à colonne magnétique

Also Published As

Publication number Publication date
JPWO2020195868A1 (ja) 2021-10-21
DE112020001504T5 (de) 2022-01-20
JP7220279B2 (ja) 2023-02-09
AU2020249745A1 (en) 2021-09-30
AU2020249745B2 (en) 2022-12-08
CN113661032A (zh) 2021-11-16

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