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11.发明授权公开(公告)号：US11247323B2
公开(公告)日：2022-02-15
申请号：US16056717
申请日：2018-08-07
Applicant: MAKITA CORPORATION
Inventor： Ryunosuke Kumagai , Masahiro Watanabe , Jiro Suzuki , Kosuke Ito
IPC: B25B23/151 , B25F5/00 , B25B21/00 , B25B23/147 , H02P6/08 , B25B21/02 , H02K7/14 , H02P27/04
Abstract: An electric working machine in one aspect of the present disclosure includes a motor, a setter, and a controller. The setter is configured to modifiably set a change characteristic in changing a rotational state of the motor from a low speed rotation to a high speed rotation. The high speed rotation is greater than the low speed rotation in rotational frequency of the motor.
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公开(公告)号：US10906163B2
公开(公告)日：2021-02-02
申请号：US16654461
申请日：2019-10-16
Applicant: MAKITA CORPORATION
Inventor： Hidenori Nagasaka , Ryunosuke Kumagai , Koji Tsukamoto , Tomonori Kawase , Kosuke Ito , Tokuo Hirabayashi , Yasuhito Kawai
Abstract: A power tool includes a tool-main-body part, an electric motor as a drive source, a grip part, which extends downward from the tool-main-body part and is configured to be gripped by a user, and a power-supply unit at a tip of the grip part. The power tool includes a controller configured to control the operation of the electric motor, the controller being located on the power-supply unit, and a display controlled by the controller and configured to indicate an operating state of the electric motor. The controller and the display each have a flat-plate shape and are disposed along a surface direction with respect to one another, and the display includes a first portion that overlies the controller and a second portion that projects beyond an end edge of the controller.
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公开(公告)号：US10749360B2
公开(公告)日：2020-08-18
申请号：US16508950
申请日：2019-07-11
Applicant: MAKITA CORPORATION
Inventor： Nobuyasu Furui , Hitoshi Suzuki , Masaaki Fukumoto , Takuya Umemura , Kosuke Ito , Hitoshi Sengiku , Shuji Yoshikawa , Tatsuya Nagahama
Abstract: A power tool system includes a hand-held power tool having a power tool housing accommodating a motor, and a battery pack interface electrically connected to the motor within the power tool housing. A battery pack includes a battery pack housing accommodating at least one battery cell and a power tool interface electrically connected to the at least one battery cell within the battery pack housing. The power tool interface is configured to be physically and electrically connected to and disconnected from the battery pack interface of the power tool. A communicator is attached to or accommodated within the battery pack housing. The communicator is configured to wirelessly communicate with an external device.
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公开(公告)号：US10478950B2
公开(公告)日：2019-11-19
申请号：US15356862
申请日：2016-11-21
Applicant: MAKITA CORPORATION
Inventor： Hidenori Nagasaka , Ryunosuke Kumagai , Koji Tsukamoto , Tomonori Kawase , Kosuke Ito , Tokuo Hirabayashi , Yasuhito Kawai
Abstract: A power tool includes a tool-main-body part, an electric motor as a drive source, a grip part, which extends downward from the tool-main-body part and is configured to be gripped by a user, and a power-supply unit at a tip of the grip part. The power tool includes a controller configured to control the operation of the electric motor, the controller being located on the power-supply unit, and a display controlled by the controller and configured to indicate an operating state of the electric motor. The controller and the display each have a flat-plate shape and are disposed along a surface direction with respect to one another, and the display includes a first portion that overlies the controller and a second portion that projects beyond an end edge of the controller.
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Patent Agency Ranking
15.发明授权公开(公告)号：US10090692B2
公开(公告)日：2018-10-02
申请号：US15402584
申请日：2017-01-10
Applicant: MAKITA CORPORATION
Inventor： Shuji Yoshikawa , Tatsuya Nagahama , Nobuyasu Furui , Hitoshi Suzuki , Masaaki Fukumoto , Takuya Umemura , Kosuke Ito
Abstract: A charger for a hand-held power tool includes a power source interface, a charger base and a charging cradle rotatably supported on the charger base. The rotatable charging cradle includes at least two charging output terminals electrically connected to the power source interface. A power tool system includes the charger and the hand-held power tool. A method of charging the power tool system includes contacting charging input terminals of the power tool with the charging output terminals, rotating the charging cradle and the power tool relative to the charging base and supplying charging current to at least one battery cell while the charging cradle and the power tool are allowed to freely swing relative to the charging base.
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16.发明申请公开(公告)号：US20200343744A1
公开(公告)日：2020-10-29
申请号：US16923347
申请日：2020-07-08
Applicant: MAKITA CORPORATION
Inventor： Nobuyasu Furui , Hitoshi Suzuki , Masaaki Fukumoto , Takuya Umemura , Kosuke Ito , Hitoshi Sengiku , Shuji Yoshikawa , Tatsuya Nagahama
Abstract: A power tool system includes a hand-held power tool having a power tool housing accommodating a motor, and a battery pack interface electrically connected to the motor within the power tool housing. A battery pack includes a battery pack housing accommodating at least one battery cell and a power tool interface electrically connected to the at least one battery cell within the battery pack housing. The power tool interface is configured to be physically and electrically connected to and disconnected from the battery pack interface of the power tool. A wireless communicator is attached to or accommodated within the battery pack housing. The wireless communicator is configured to wirelessly communicate with an external device using radio waves while the power tool interface of the battery pack is physically and electrically connected to the battery pack interface of the hand-held power tool.
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17.发明授权公开(公告)号：US10476284B2
公开(公告)日：2019-11-12
申请号：US15340689
申请日：2016-11-01
Applicant: MAKITA CORPORATION
Inventor： Hitoshi Suzuki , Kosuke Ito , Akira Naito
Abstract: A battery system for a power tool includes two or more battery packs (12), at least one battery holder (14) adapted to detachably engage two or more of the battery packs and a charger (16, 216, 316, 416) adapted to detachably engage the battery holder and to simultaneously electrically communicate with two or more of the battery packs while the at least one battery holder engages both the charger and the battery packs.
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18.发明申请公开(公告)号：US20190047132A1
公开(公告)日：2019-02-14
申请号：US16056717
申请日：2018-08-07
Applicant: MAKITA CORPORATION
Inventor： Ryunosuke Kumagai , Masahiro Watanabe , Jiro Suzuki , Kosuke Ito
Abstract: An electric working machine in one aspect of the present disclosure includes a motor, a setter, and a controller. The setter is configured to modifiably set a change characteristic in changing a rotational state of the motor from a low speed rotation to a high speed rotation. The high speed rotation is greater than the low speed rotation in rotational frequency of the motor.
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19.发明申请公开(公告)号：US20150015205A1
公开(公告)日：2015-01-15
申请号：US14369708
申请日：2012-12-25
Applicant: MAKITA CORPORATION
Inventor： Kosuke Ito , Hitoshi Suzuki , Akira Naito
IPC: H02J7/00
CPC classification number: H02J7/0044 , H02J5/00 , H02J5/005 , H02J7/0021 , H02J7/0027 , H02J7/0045 , H02J7/02 , H02J7/025 , H02J50/10 , H02J50/40 , H02J50/80 , H02J2007/0001 , H02J2007/0096
Abstract: A charger (40; 240; 340) charges a battery pack (20) that is detachably attachable to a cordless power tool (12). The charger has at least a first side wall (44b) that at least partially defines a battery pack receiving hole (44; 244) shaped to receive and accommodate the battery pack. A charging output element (62; 362) supplies charging power to the battery pack. The battery pack receiving hole has a lateral cross sectional area that decreases downwardly in the vertical direction of the battery pack receiving hole such that gravity causes the battery pack to be guided to a prescribed position within the battery pack receiving hole. In addition, the charging output element is positioned so as to be proximal to a corresponding charging power input element of the battery pack when the battery pack is disposed in the prescribed position.
Abstract translation: 充电器（40; 240; 340）对可拆卸地附接到无绳电动工具（12）的电池组（20）充电。 充电器至少具有至少部分地限定形状以接收和容纳电池组的电池组接收孔（44; 244）的第一侧壁（44b）。 充电输出元件（62; 362）向电池组提供充电电力。 电池组接收孔具有在电池组接收孔的垂直方向上向下减小的横向横截面积，使得重力使得电池组被引导到电池组接收孔内的规定位置。 此外，当电池组被布置在规定位置时，充电输出元件被定位成靠近电池组的相应的充电电力输入元件。
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