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公开(公告)号：US20220099096A1
公开(公告)日：2022-03-31
申请号：US17464770
申请日：2021-09-02
Applicant: MAKITA CORPORATION
Inventor： Fumitoshi NUMATA
Abstract: A blower includes a blower body and a nozzle. The blower body includes a housing having an inlet opening, a motor housed in the housing and at least one fan housed in the housing. The nozzle is connected to the blower body and extends in an axial direction. The nozzle has a discharge opening formed in its one end in the axial direction and at least one vent hole formed in a different position from the discharge opening.
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公开(公告)号：US20220097093A1
公开(公告)日：2022-03-31
申请号：US17465324
申请日：2021-09-02
Applicant: MAKITA CORPORATION
Inventor： Fumitoshi NUMATA , Kanako HIRONO
IPC: B05B15/652
Abstract: A nozzle includes a mounting part that is configured to be attached to a blower, and a body part that is connected to the mounting part. The body part has a discharge opening and a passage for air blown out by the blower. The passage leads to the discharge opening. The body part includes a flexible tube. The flexible tube has a length of at least 15 cm and defines at least a portion of the passage.
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公开(公告)号：US20190388983A1
公开(公告)日：2019-12-26
申请号：US16409918
申请日：2019-05-13
Applicant: MAKITA CORPORATION
Inventor： Fumitoshi NUMATA
Abstract: A controller 50 that controls a power tool such as, for example, a portable circular saw includes a controller case 70 that houses an electric circuit board 60. Electric elements 61, 62 that generate heat and/or are to be cooled on the electric circuit board 60 contact a thick wall portion 73b of the controller case 70, resulting in heat dissipation resulting in effective cooling of the controller 50.
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公开(公告)号：US20190176316A1
公开(公告)日：2019-06-13
申请号：US16081614
申请日：2017-03-15
Applicant: MAKITA CORPORATION
Inventor： Fumitoshi NUMATA
CPC classification number: B25F5/02 , A41D13/00 , A41D19/0024 , A41D19/015 , A41D20/00 , B24B23/02 , B24B23/028 , B25F5/00 , H02K7/145 , H02K11/0094 , H02K11/28
Abstract: An electric power tool from starting unintentionally by the user, stopping a locked-on state in an unintentional situation by the user, as well as enhances the theft suppressing effect of the electric power tool. The present invention relates to a starting system including an electric power tool and a glove as a wearable device a user puts on. Only when a use permission signal is received from the glove the user puts on, the operational state of the electric power tool changes to a start standby state whereby electrical functions of the tool can then be utilized, and only in the start standby state, the electric power tool is configured to start by an on-operation thereof.
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公开(公告)号：US20240395260A1
公开(公告)日：2024-11-28
申请号：US18650427
申请日：2024-04-30
Applicant: MAKITA CORPORATION
Inventor： Fumitoshi NUMATA , Koichi YAKABE , Takumi HAYASHI
IPC: G10L17/22 , B25F5/00 , G10L17/06 , H04R1/10 , H05B47/175
Abstract: A power tool system includes at least one controlled device including a power tool, and a voice control device configured to wirelessly communicate with the at least one controlled device. The voice control device includes a at least one first processor configured to control operation of the at least one controlled device. The at least one first processor is configured to acquire voice data, and to control operation of the power tool in accordance with a command relating to the operation of the power tool and identified based on the voice data.
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Patent Agency Ranking
公开(公告)号：US20240337271A1
公开(公告)日：2024-10-10
申请号：US18749034
申请日：2024-06-20
Applicant: MAKITA CORPORATION
Inventor： Fumitoshi NUMATA
CPC classification number: F04D29/4253 , F04D17/165 , F04D25/086
Abstract: A blower includes a body, a motor, and a single fan configured to rotate in response to rotation of a motor shaft to discharge air through a discharge opening. The maximum rotational speed of the motor shaft is within a range of 50,000 rpm to 120,000 rpm. An area of the discharge opening is changeable by a user. The blower is configured to selectively operate in a first mode or in a second mode according to the area of the discharge opening. In the first mode, the maximum blowing force of the air discharged through the opening is within a range of 2.5 N to 5.0 N when the motor is driven at the maximum rotational speed. In the second mode, the maximum dynamic pressure of the air discharged is within a range of 30 kPa to 65 kPa when the motor is driven at the maximum rotational speed.
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公开(公告)号：US20240017369A1
公开(公告)日：2024-01-18
申请号：US18317257
申请日：2023-05-15
Applicant: MAKITA CORPORATION
Inventor： Fumitoshi NUMATA
IPC: B24B23/02
CPC classification number: B24B23/028
Abstract: To reduce wasteful power consumption and noise generation, a control circuit drives a motor in response to a switch being turned on after a handle detector detects attachment of an auxiliary handle and a handle gripping detector detects gripping of the auxiliary handle, controls the motor to rotate at a predetermined first rotational speed in response to the switch being turned on with the attachment and the gripping of the auxiliary handle being detected, and controls the motor to rotate at a second rotational speed lower than the first rotational speed in response to a state of a load on a tip tool being unchanged for a predetermined period of time.
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公开(公告)号：US20220196035A1
公开(公告)日：2022-06-23
申请号：US17556167
申请日：2021-12-20
Applicant: MAKITA CORPORATION
Inventor： Fumitoshi NUMATA , Takumi HAYASHI
Abstract: A blower includes a body having a main inlet opening and a discharge opening, a motor assembly housed in the body, and an auxiliary inlet opening. The motor assembly includes a case, a motor and a fan. The case has a first opening and a second opening. The motor is housed within the case. The fan is configured to rotate in response to driving of the motor to generate a flow of air passing the main inlet opening, the first opening, the motor, the second opening and the discharge opening in this order. A first space that communicates with the main inlet opening and the first opening of the case is formed within the body. The auxiliary inlet opening is configured to introduce the air from an outside of the body into the first space.
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公开(公告)号：US20210340991A1
公开(公告)日：2021-11-04
申请号：US17374689
申请日：2021-07-13
Applicant: MAKITA CORPORATION
Inventor： Akira OJIMA , Fumitoshi NUMATA
Abstract: A blower includes a motor, a plurality of fans coaxially arranged in multiple stages, a housing having an inlet opening and a discharge opening, and a battery mounting part to which a battery is removably mountable. A rotational speed of the motor is within a range of 50,000 rpm to 120,000 rpm. A diameter of each of the fans is within a range of 30 mm to 70 mm. An area of the discharge opening is within a range of not less than an area of a circle having a diameter of 2.5 mm and not more than an area of a circle having a diameter of 10 mm. A blowing force of air discharged through the discharge opening is within a range of 1 N to 3 N.
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公开(公告)号：US20210094164A1
公开(公告)日：2021-04-01
申请号：US17022207
申请日：2020-09-16
Applicant: MAKITA CORPORATION
Inventor： Fumitoshi NUMATA
Abstract: An electric power tool includes a housing, a fan, a tubular portion, and a rectifier. The housing houses a motor. The fan rotates in association with driving of the motor to generate a cooling air for the motor within the housing. The tubular portion is formed in the housing to house the fan. The rectifier is disposed to be opposed to the fan in an upstream side of the cooling air. The rectifier is divided into an inside and an outside in a radial direction of the tubular portion, the outside in the radial direction is formed of the tubular portion, and the inside in the radial direction is formed of a baffle plate assembled to the housing.
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