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    Power tool with high-speed electric motor
    4.
    发明授权
    Power tool with high-speed electric motor 有权
    电动工具带高速电动机

    公开(公告)号：US09364906B2

    公开(公告)日：2016-06-14

    申请号：US14155358

    申请日：2014-01-15

    Applicant: MAKITA CORPORATION

    Inventor： Kenji Abe ,  Masayoshi Okumi ,  Hidenori Nagasaka ,  Motohiro Omura ,  Masaaki Fukumoto ,  Kenji Shibata ,  Nobuyasu Furui ,  Masanori Higashi ,  Kiyoshi Aoyama

    IPC: H02K7/14 ,  B23D47/12 ,  B24B23/02 ,  B24B47/12 ,  B25F5/02

    CPC classification number: B23D47/12 ,  B24B23/02 ,  B24B47/12 ,  B25F5/008 ,  B25F5/02

    Abstract: A hand-held power tool includes a motor having a stator and a rotor, the motor being configured to rotate the rotor at a speed of at least 40,000 rpm, an output shaft directly driven by the rotor, a tool accessory shaft configured to support a tool accessory, and a two-stage speed reducing transmission operably connecting the output shaft to the tool accessory shaft. The two-stage speed reducing transmission is configured to drive the tool accessory shaft at a rate less than the rotor speed, for example, at a rate less than or equal to 37.5% of the rotor speed.

    Abstract translation: 一种手持电动工具包括具有定子和转子的电动机，所述电动机构造成以至少40,000rpm的转速旋转所述转子，由所述转子直接驱动的输出轴;工具附件轴， 工具附件，以及将输出轴与工具附件轴可操作地连接的两级减速传动装置。 两级减速传动装置构造成以小于转子速度的速度驱动工具附件轴，例如以小于或等于转子速度的37.5％的速率。

    POWER TOOL SYSTEM AND ADAPTER THEREFOR
    5.
    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。

    Nut-fastening tool
    7.
    发明授权
    Nut-fastening tool 有权

    公开(公告)号：US10099353B2

    公开(公告)日：2018-10-16

    申请号：US15323176

    申请日：2015-04-08

    Applicant: MAKITA CORPORATION

    Inventor： Takeshi Nishimiya ,  Kazunori Tsuge ,  Nobuyasu Furui

    IPC: B25B21/00 ,  B25B23/14 ,  B25F5/00 ,  B25F5/02 ,  B25B23/147

    Abstract: An operation switch sends an ON signal to a control processor indicating the operation switch is triggered by a user. A magnetic sensor sends a sensor signal to the control processor based on a displacement of a chip rod in a rearward direction. In the case where the sensor signal has not yet been sent, the control processor performs a control in a first mode where a brushless DC motor is not driven. In the case where sensor signal is sent, control processor performs a control in a second mode wherein the brushless DC motor is driven. An output in the first mode is lower than in the second mode. Because of this manner of construction, even if an ON input is triggered and held by the user, electric power is conserved while the operation switch is switched on and a hexagonal nut is not fastened, improving power consumption efficiency.

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