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    Power tool including a battery pack isolation system
    1.
    发明授权
    Power tool including a battery pack isolation system 有权

    公开(公告)号：US11845153B2

    公开(公告)日：2023-12-19

    申请号：US18152549

    申请日：2023-01-10

    Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION

    Inventor： Troy C. Thorson ,  Jeffrey M. Wackwitz ,  Andrew J. Weber

    IPC: B23Q11/00 ,  B25F5/00

    CPC classification number: B23Q11/0032 ,  B25F5/006

    Abstract: A power tool includes a housing, a motor positioned substantially within the housing, a drive mechanism supported by the housing and coupled to the motor, a battery pack electrically coupled to the motor, and an isolation system. The isolation system includes an interface member positioned substantially within the housing. The interface member receives a portion of the battery pack to electrically couple the battery pack to the motor. The isolation system also includes a plurality of isolators coupled between the housing and the interface member to isolate the battery pack from the housing during operation of the power tool.

    SYSTEM AND METHOD FOR CONFIGURING A POWER TOOL WITH AN IMPACT MECHANISM
    3.
    发明申请
    SYSTEM AND METHOD FOR CONFIGURING A POWER TOOL WITH AN IMPACT MECHANISM 审中-公开

    公开(公告)号：US20200230789A1

    公开(公告)日：2020-07-23

    申请号：US16842412

    申请日：2020-04-07

    Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION

    Inventor： John S. Dey, IV ,  Jeffrey M. Wackwitz

    IPC: B25B23/147 ,  B25B21/02

    Abstract: A power tool with an impact mechanism and that is controlled based on a drive angle from impacting. The power tool includes a housing, a brushless direct current (DC) motor within the housing, an impact mechanism, and an output drive device. The brushless DC motor includes a rotor coupled to a motor shaft to produce a rotational output. The impact mechanism includes a hammer coupled to the motor shaft, and an anvil that receives impacts from the hammer and drives an output device. The power tool further includes a position sensor that senses a position of the rotor and a controller coupled to the position sensor. The controller detects an impact of the impact mechanism, calculates a drive angle of the anvil caused by the impact based on output from the position sensor, and controls the brushless DC motor based on the drive angle.

    Support member for battery pack top housing
    4.
    发明授权
    Support member for battery pack top housing 有权

    公开(公告)号：US10249854B2

    公开(公告)日：2019-04-02

    申请号：US16106836

    申请日：2018-08-21

    Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION

    Inventor： Andrew T. Beyerl ,  Michael Kolden ,  Troy C. Thorson ,  Jeffrey M. Wackwitz ,  Jeffrey S. Holly

    IPC: H01M2/10

    Abstract: A battery pack that is connectable to and supportable by a power tool (e.g., a hand-held power tool). The battery pack includes a top housing having a support member. The support member of the battery pack top housing is configured or operable to reinforce a support portion of the battery pack that is used to connect the battery pack to the power tool. By reinforcing the support portion of the battery pack, an interface between the battery pack and the power tool is able to withstand greater forces (e.g., from vibrations caused by the power tool).

    PEX crimping tool
    5.
    发明授权
    PEX crimping tool 有权

    公开(公告)号：US10213821B2

    公开(公告)日：2019-02-26

    申请号：US15723647

    申请日：2017-10-03

    Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION

    Inventor： Troy C. Thorson ,  Jeffrey M. Wackwitz ,  Kyle J. Radovich ,  Jonathon R. Gasteiner

    IPC: B21D7/06 ,  B21D39/04 ,  B25B7/02 ,  F16H25/20 ,  B23D15/04 ,  G05B19/23 ,  B21D15/04 ,  B25B27/14 ,  G01D5/245 ,  B25B27/10

    Abstract: A power tool includes a motor having an output shaft, an extensible member driven by the motor, a working assembly movable in response to contact with a distal end of the extensible member, a first sensor configured to detect a home position of the extensible member, a second sensor configured to detect rotation of the motor output shaft, and a controller in electrical communication with the first and second sensors. The controller is configured to drive the motor output shaft in a first rotational direction a predetermined number of revolutions counted by the second sensor, thereby displacing the extensible member from the home position. The controller is also configured to drive the motor output shaft in an opposite, second rotational direction to thereby return the extensible member until the home position is detected by the first sensor.

    Brushless motor for a power tool
    6.
    发明授权
    Brushless motor for a power tool 有权

    公开(公告)号：US10205365B2

    公开(公告)日：2019-02-12

    申请号：US15474358

    申请日：2017-03-30

    Applicant: Milwaukee Electric Tool Corporation

    Inventor： Andrew T. Beyerl ,  Keith Boulanger ,  Alex Huber ,  William A. Elger ,  Jeffrey M. Wackwitz

    IPC: H02K7/14 ,  H02K11/21 ,  B25F5/00 ,  H02K1/18 ,  H02K5/16 ,  H02K7/08 ,  H02K7/116 ,  H02K21/14 ,  H02K29/08

    Abstract: A brushless direct current motor for a power tool. The motor includes a stator assembly including a stator core having stator laminations with an annular portion and inwardly extending stator teeth. The motor also includes a rotor assembly including a rotor core having rotor laminations and defining a central aperture that receives an output shaft. The rotor assembly also includes a rotor end cap on a first side of the rotor core having a bearing holder and defining a channel, wherein the channel is open on a side of the rotor end cap facing the rotor core. The motor further includes a bearing provided in the bearing holder that couples the rotor end cap to the output shaft and a position sensor board assembly provided in the channel of the rotor end cap and configured to provide position information of the rotor core to a motor controller.

    Oscillating multi-tool system
    8.
    发明授权
    Oscillating multi-tool system 有权

    公开(公告)号：US10137592B2

    公开(公告)日：2018-11-27

    申请号：US15413815

    申请日：2017-01-24

    Applicant: Milwaukee Electric Tool Corporation

    Inventor： Troy C. Thorson ,  Jeffrey M. Wackwitz ,  Emily Doberstein ,  James Wekwert

    IPC: B27B5/30 ,  B23B31/10 ,  B23B31/19 ,  B24B23/04 ,  B24B45/00

    Abstract: A power tool having a housing, a motor, a tool holder driven about an output axis by the motor, and an output element for performing an operation on a workpiece. The tool holder has a locating feature including a tapered portion becoming narrower in a direction away from the surface of the tool holder. The output element has an aperture for receiving the locating feature and a face facing the surface of the tool holder when the locating feature is received. The power tool also includes a flange for transferring a clamping force for urging the output element towards the tool holder and a tab projecting from the flange for finger tightening the flange. A biasing member provides the clamping force toollessly. A gap is defined between the surface of the tool holder and the face when the tapered portion of the locating feature is fully received in the aperture.

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