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    Charger, Battery Pack Charging System and Cordless Power Tool System
    11.
    发明申请
    Charger, Battery Pack Charging System and Cordless Power Tool System 有权
    充电器，电池充电系统和无绳电动工具系统

    公开(公告)号：US20170070068A1

    公开(公告)日：2017-03-09

    申请号：US15348059

    申请日：2016-11-10

    Applicant: MAKITA CORPORATION

    Inventor： Kosuke Ito ,  Hitoshi Suzuki ,  Akira Naito

    IPC: H02J7/00 ,  H02J7/02

    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 charges a rechargeable battery pack of a cordless power tool. The charger includes at least one wall that at least partially defines a battery pack receiving space for the battery pack, a first guide extending away from the at least one wall, and a second guide extending away from the at least one wall and spaced from the first guide. The at least one wall, the first guide and the second guide are configured to guide the battery pack to a prescribed position relative to the at least one wall. The first guide and the second guide each include a portion inclined relative to the insertion direction by an angle of inclination such that the distance between the inclined portion of the first guide and the inclined portion of the second guide decreases in the insertion direction.

    Abstract translation: 充电器为无绳电动工具的可充电电池充电。 所述充电器包括至少一个壁，其至少部分地限定用于所述电池组的电池组接收空间，远离所述至少一个壁延伸的第一引导件，以及远离所述至少一个壁延伸的第二引导件， 第一指导。 所述至少一个壁，所述第一引导件和所述第二引导件构造成将所述电池组相对于所述至少一个壁引导到规定位置。 第一引导件和第二引导件各自包括相对于插入方向倾斜倾斜角度的部分，使得第一引导件的倾斜部分与第二引导件的倾斜部分之间的距离沿插入方向减小。

    POWER TOOL SYSTEM AND ADAPTER THEREFOR
    13.
    发明申请
    POWER TOOL SYSTEM AND ADAPTER THEREFOR 审中-公开
    电动工具系统及其适配器

    公开(公告)号：US20140151079A1

    公开(公告)日：2014-06-05

    申请号：US14233786

    申请日：2012-07-24

    Applicant: MAKITA CORPORATION

    Inventor： Nobuyasu Furui ,  Hitoshi Suzuki ,  Masaaki Fukumoto ,  Takuya Umemura ,  Kosuke Ito ,  Hitoshi Sengiku

    IPC: B25F5/02 ,  B25F3/00

    CPC classification number: H02J7/0042 ,  B25F3/00 ,  B25F5/00 ,  B25F5/02 ,  G05B13/024 ,  G08C17/02 ,  H02J7/0052

    Abstract: A power tool system includes a hand-held power tool having a housing with a battery pack interface, an electrically-driven device and a first connector. A battery pack is detachably attached to the battery pack interface and supplies current to the electrically-driven device. An adapter has a second connector physically and electrically connected with the first connector in a detachable manner. The adapter receives power from the battery pack via the hand-held power tool and provides at least one additional electrical function to the hand-held power tool or performs at least one additional electrical function that the hand-held power tool is not otherwise capable of performing. Further, the adapter is at least partially disposed in a space defined in part by the housing and in part by the battery pack when the housing and battery pack are attached to each other.

    Abstract translation: 电动工具系统包括具有带电池组接口的外壳的手持电动工具，电驱动装置和第一连接器。 电池组可拆卸地附接到电池组接口并且将电流提供给电驱动装置。 适配器具有以可拆卸的方式与第一连接器物理和电连接的第二连接器。 适配器经由手持式电动工具从电池组接收电力，并向手持式电动工具提供至少一个额外的电功能，或执行至少一个额外的电功能，使得手持电动工具不能够 表演。 此外，适配器至少部分地设置在由壳体部分限定的空间中，并且当壳体和电池组彼此附接时，适配器部分地设置在电池组中。

    Electric working machine and motor controller
    19.
    发明授权
    Electric working machine and motor controller 有权

    公开(公告)号：US11309811B2

    公开(公告)日：2022-04-19

    申请号：US17013977

    申请日：2020-09-08

    Applicant: MAKITA CORPORATION

    Inventor： Kiyoshi Aoyama ,  Hitoshi Suzuki

    IPC: H02P3/20 ,  H02P3/22

    Abstract: An electric working machine may include a brushless motor and a motor controller. The motor controller may include three upper switching elements, three lower switching elements, and a control unit. The control unit may be configured to execute a short-circuit braking operation for applying a braking force to the brushless motor by bringing the three upper switching elements into a non-conductive state and bringing the three lower switching elements into a conductive state. The control unit may be configured to start the short-circuit braking operation at a predetermined timing. When the short-circuit braking operation is started at the predetermined timing, polarities of induced voltages of first to third phase terminals of the brushless motor are reversed by a time when an electrical angle of the brushless motor increases by 180 degrees from the start of the short-circuit braking operation.

    Dust collector
    20.
    发明授权
    Dust collector 有权

    公开(公告)号：US11260462B2

    公开(公告)日：2022-03-01

    申请号：US17082816

    申请日：2020-10-28

    Applicant: MAKITA CORPORATION

    Inventor： Hitoshi Suzuki

    IPC: B23D59/00 ,  B25F5/00 ,  A47L9/28 ,  B24B23/02 ,  B24B55/00 ,  H01Q1/12 ,  H05K3/36 ,  B23Q11/00 ,  B24B55/10 ,  G08C17/02

    Abstract: A dust collector in one aspect of the present invention comprises a dust collection portion, a communication portion, and an interlock operation control portion. When the communication portion receives an interlock command transmitted from an electric working machine, the interlock operation control portion makes the dust collection portion operate interlocking with the electric working machine. The interlock operation control portion includes a storage portion, in which identification information specific to the electric working machine with which the dust collection portion is to be made to perform the interlock operation is stored.

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