Battery pack
    13.
    发明授权

    公开(公告)号:US11695182B2

    公开(公告)日:2023-07-04

    申请号:US17036411

    申请日:2020-09-29

    Abstract: A battery pack (2; 602) includes: an outer case (12; 612); one or more battery cells (90a-90j); and a cell case (80), which is housed in the outer case (12; 612) and houses the battery cell(s) (90a-90j). The outer case (12; 612) has: an upper surface (wall) (14b), in which a terminal-opening part (22a) for exposing a terminal (102) is provided; a bottom wall (15e); and a plurality of side surfaces (walls) (15a-15d) extending upward from the bottom wall (15e). The battery cell(s) (90a-90j) is (are) disposed parallel to the bottom wall (15e). An opening (40a-40j) is provided in a specific side surface (15b, 15d), from among the plurality of side surfaces (15a-15d), that faces an end surface of the battery cell(s) (90a-90j) in a longitudinal direction.

    Power tool
    15.
    发明授权

    公开(公告)号:US10749405B2

    公开(公告)日:2020-08-18

    申请号:US15978467

    申请日:2018-05-14

    Inventor: Tatsuya Nagahama

    Abstract: Provided is a power tool whereby reduction is made for time-consuming effort and cost required in trouble, inspection and so forth related to a motor. A hammer drill, which is an example of a power tool, includes a plurality of coils, an insulator holding the plurality of coils, a terminal unit that is electrically connected to the plurality of coils and is attached to the insulator, a rotor that is rotatable with respect to the insulator, and a sensor board that detects rotation of the rotor and is attached to the terminal unit. The sensor board is detachable from the terminal unit, while the terminal unit is attached to the insulator.

    Electric power tool
    16.
    发明授权

    公开(公告)号:US10608500B2

    公开(公告)日:2020-03-31

    申请号:US15392747

    申请日:2016-12-28

    Inventor: Tatsuya Nagahama

    Abstract: In an impact driver, a stator is made compact to accommodate a brushless motor in a reduced space, thereby keeping a housing compact, and productivity and handleability are also improved. The impact driver includes a brushless motor including a stator in which coils are wound and that includes fusing terminals at which the coils are fused, and a rotor capable of rotating relative to the stator, lead wires for supplying power to the coils, respectively, and lead wire-side terminals to which the lead wires are connected, respectively. The fusing terminals and the lead wire-side terminals are connected to each other at a predetermined position (a connection plate) in a circumferential direction of the stator by means of screws.

    Work machine having operation rod
    20.
    发明授权
    Work machine having operation rod 有权
    工作机具有操作杆

    公开(公告)号:US09198347B2

    公开(公告)日:2015-12-01

    申请号:US14102885

    申请日:2013-12-11

    Inventor: Tatsuya Nagahama

    CPC classification number: A01D34/78 A01D34/6806 A01D34/90 H02P6/16

    Abstract: A work machine includes a motor and a sensor disposed in a front unit, a motor controller disposed in a rear unit, a motor power line and a sensor signal line disposed along an operation rod, and a pair of electric connectors. The motor power line includes first and second partial motor power lines disposed along the first and second partial rods respectively. The sensor signal line includes first and second partial sensor signal lines disposed along the first and second partial rods respectively. A first electric connector includes first electric terminals, each of which is coupled with corresponding one of the first partial motor power line or the first partial sensor signal line, and a second electric connector includes second electric terminals, each of which is coupled with corresponding one of the second partial motor power line or the second partial sensor signal line.

    Abstract translation: 工作机械包括电动机和设置在前面单元中的传感器,设置在后部单元中的电动机控制器,电动机电力线以及沿着操作杆设置的传感器信号线和一对电连接器。 马达动力线包括分别沿着第一和第二部分杆布置的第一和第二部分马达动力线。 传感器信号线包括分别沿着第一和第二部分杆布置的第一和第二部分传感器信号线。 第一电连接器包括第一电端子,每个电端子与第一部分电动机电源线或第一部分传感器信号线中的相应一个耦合,并且第二电连接器包括第二电端子,每个电端子与相应的一个 的第二部分电动机电力线或第二部分传感器信号线。

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