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公开(公告)号：US20230062495A1
公开(公告)日：2023-03-02
申请号：US17876055
申请日：2022-07-28
Applicant: MAKITA CORPORATION
Inventor： Takahiro KAWAKAMI , Yu ETO
IPC: B24B23/02
Abstract: A grinding tool allows effective reduction of vibration while maintaining the compact product size. A grinding tool includes a motor housing accommodating a motor, a pair of housing halves screwed together across the motor housing and each including a screw boss extending through the motor housing, and an elastic member between the motor housing and each of the screw bosses in an axial direction of the screw bosses.
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公开(公告)号：US20190077005A1
公开(公告)日：2019-03-14
申请号：US16185991
申请日：2018-11-09
Applicant: MAKITA CORPORATION
Inventor： Miyabi ITO , Ryunosuke KUMAGAI , Shin SUGIURA , Akira MIZUTANI , Takahiro KAWAKAMI
Abstract: An electric tool, such as an angle driver, has a main tool body with a front portion and a rear portion positioned opposite to the front portion. The main tool body houses a motor configured to receive electricity to function as a drive source. A gear head is coupled with the front portion of the main tool body wherein the gear head has a spindle in communication with a motor axis of the motor via mesh-engagement of bevel gears associated with the motor axis. The spindle has with a cutter tool accessory attached thereto such that rotation of the motor axis produces a commensurate rotation of the cutter tool accessory. Battery attachment portions are associated with the rear portion of the main tool body and are configured to receive a corresponding set of batteries that provide electricity to power the motor.
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Patent Agency Ranking
公开(公告)号：US20180304454A1
公开(公告)日：2018-10-25
申请号：US15950687
申请日：2018-04-11
Applicant: MAKITA CORPORATION
Inventor： Takahiro KAWAKAMI , Shoichi ISHIKAWA
CPC classification number: B25F5/02 , B23Q11/08 , B24B23/028 , H01M2/1022 , H01M2220/30
Abstract: An electrical power tool configured such that two battery packs as a power source are attached thereto may include overhanging elements respectively laterally positioned along lateral sides of the battery packs.
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公开(公告)号：US20180174773A1
公开(公告)日：2018-06-21
申请号：US15901287
申请日：2018-02-21
Applicant: MAKITA CORPORATION
Inventor： Akira MIZUTANI , Takahiro KAWAKAMI , Shoichi ISHIKAWA
CPC classification number: H01H9/20 , B25F5/00 , H01H2231/048 , H01H2300/024 , H02K7/14 , H02K11/28
Abstract: A rechargeable grinder includes a brushless motor, a main body housing configured to accommodate the brushless motor, a main switch and a micro switch configured to distribute power to the brushless motor, and a switch lever capable of moving with respect to the main switch and the micro switch, wherein a lock off lever capable of operating the micro switch in association with movement of the switch lever toward a switch is provided so as to be movable between a lock release position in which the micro switch can be operated and a lock position in which the micro switch cannot be operated.
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公开(公告)号：US20150263592A1
公开(公告)日：2015-09-17
申请号：US14631317
申请日：2015-02-25
Applicant: MAKITA CORPORATION
Inventor： Takahiro KAWAKAMI , Masatoshi NAKAHAMA
CPC classification number: H02K9/06 , B24B23/02 , B24B23/028 , B25F5/008 , B25F5/02 , H02K3/522 , H02K7/145 , H02K11/27 , H02K29/06 , H02K2203/09
Abstract: A power tool includes a brushless motor having a stator and a rotor, which includes a rotary shaft extending in a front-rear direction of the power tool. The rotary shaft rotates a spindle that extends in an up-down direction of the power tool. A fan is fixedly coupled to the rotary shaft and rotates therewith. A switch is disposed rearward of the brushless motor and a controller is disposed rearward of the switch in the front-rear direction. A battery pack is disposed rearward of the controller. A main-body housing houses the brushless motor, the switch and the controller. The main-body housing includes a first tubular part, which houses the brushless motor, and a second tubular part, which houses the switch. The diameter of the second tubular part is smaller than the diameter of the first tubular part.
Abstract translation: 电动工具包括具有定子和转子的无刷电动机，其包括沿电动工具的前后方向延伸的旋转轴。 旋转轴旋转沿电动工具的上下方向延伸的心轴。 风扇固定地连接到旋转轴并随之旋转。 开关设置在无刷电动机的后方，并且控制器设置在开关的前后方向的后方。 电池组设置在控制器的后方。 主体外壳容纳无刷电机，开关和控制器。 主体壳体包括容纳无刷电动机的第一管状部分和容纳开关的第二管状部分。 第二管状部件的直径小于第一管状部件的直径。
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公开(公告)号：US20230191583A1
公开(公告)日：2023-06-22
申请号：US17987998
申请日：2022-11-16
Applicant: MAKITA CORPORATION
Inventor： Takahiro KAWAKAMI , Yu ETO
Abstract: A power tool effectively isolates vibration with an auxiliary handle having no structure for isolating vibration. A power tool to which an auxiliary handle is attachable includes a housing, a nut held on a side surface of the housing to be screwed with the auxiliary handle, and an elastic member between the housing and the nut.
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公开(公告)号：US20170182649A1
公开(公告)日：2017-06-29
申请号：US15459789
申请日：2017-03-15
Applicant: MAKITA CORPORATION
Inventor： Miyabi ITO , Ryunosuke KUMAGAI , Shin SUGIURA , Akira MIZUTANI , Takahiro KAWAKAMI
CPC classification number: B25F5/02 , B24B23/028 , H02J7/00 , H02J7/0013 , H02J7/0045 , H02J7/0063
Abstract: An electric tool, such as an angle driver, has a main tool body with a front portion and a rear portion positioned opposite to the front portion. The main tool body houses a motor configured to receive electricity to function as a drive source. A gear head is coupled with the front portion of the main tool body wherein the gear head has a spindle in communication with a motor axis of the motor via mesh-engagement of bevel gears associated with the motor axis. The spindle has with a cutter tool accessory attached thereto such that rotation of the motor axis produces a commensurate rotation of the cutter tool accessory. Battery attachment portions are associated with the rear portion of the main tool body and are configured to receive a corresponding set of batteries that provide electricity to power the motor.
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