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公开(公告)号：US12100981B2
公开(公告)日：2024-09-24
申请号：US18208958
申请日：2023-06-13
Applicant: MAKITA CORPORATION
Inventor： Nobuyasu Furui , Hitoshi Suzuki , Masaaki Fukumoto , Takuya Umemura , Kosuke Ito , Hitoshi Sengiku , Shuji Yoshikawa , Tatsuya Nagahama
CPC classification number: H02J7/0042 , B25F3/00 , B25F5/00 , B25F5/02 , G05B13/024 , G08C17/02 , H02J7/00
Abstract: A power tool includes a motor and a controller in a power tool housing. A battery pack interface is defined on and/or in the power tool housing. A receptacle is defined on and/or in the power tool housing to removably accommodate a wireless communication adapter such that the wireless communication adapter is disposed entirely within a shell of the power tool and no portion of the wireless communication adapter extends beyond an outer contour of the power tool housing. At least one communication terminal is disposed within the receptacle and is electrically connectable to the wireless communication adapter. The controller outputs to the at least one communication terminal a signal indicating a charge level of a battery pack attached to the battery pack interface, a number of hours of operation of the power tool, a power tool overheated alert, and/or a battery pack overloaded alert.
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公开(公告)号：US11677116B2
公开(公告)日：2023-06-13
申请号：US16824232
申请日：2020-03-19
Applicant: Makita Corporation , Murata Manufacturing Co., Ltd.
Inventor： Tatsuya Nagahama , Hideyuki Taga , Toshiaki Ueno , Naoki Nishi
IPC: H01M50/24 , H01M10/42 , H05K1/18 , H01M50/291 , H01M50/247 , H01M50/284 , H01M50/213
CPC classification number: H01M50/24 , H01M10/4257 , H01M50/213 , H01M50/247 , H01M50/284 , H01M50/291 , H05K1/18 , H01M2010/4271 , H05K2201/09027 , H05K2201/09172 , H05K2201/10037
Abstract: A battery pack includes: a housing (18); one or more battery cells (12) housed inside the housing; one or more seat surfaces (52a, 54a, 56a, 58a) disposed inside the housing; a circuit board (16), which is housed inside the housing and is mounted on the seat surface(s); and one or more terminals (20b, 22b) electrically connected to the circuit board. One or more elastic sheets (60, 62) surround(s) the perimeter(s) of the terminal(s) and is (are) interposed between the circuit board and the seat surface(s).
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公开(公告)号：USD945959S1
公开(公告)日：2022-03-15
申请号：US29725483
申请日：2020-02-25
Applicant: MAKITA CORPORATION
Designer： Shinsuke Okuda , Tatsuya Nagahama
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公开(公告)号：US11114870B2
公开(公告)日：2021-09-07
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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公开(公告)号：US20190334357A1
公开(公告)日：2019-10-31
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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Patent Agency Ranking
公开(公告)号：USD964270S1
公开(公告)日：2022-09-20
申请号：US29828458
申请日：2022-02-25
Applicant: MAKITA CORPORATION
Designer： Shinsuke Okuda , Tatsuya Nagahama
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公开(公告)号：USD935996S1
公开(公告)日：2021-11-16
申请号：US29725480
申请日：2020-02-25
Applicant: MAKITA CORPORATION
Designer： Shinsuke Okuda , Tatsuya Nagahama
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8.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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公开(公告)号：US09948162B2
公开(公告)日：2018-04-17
申请号：US14481237
申请日：2014-09-09
Applicant: MAKITA CORPORATION
Inventor： Tatsuya Nagahama , Junya Inuzuka , Takashi Momose
IPC: H02K3/28 , H02K7/14 , B25F5/00 , H02K3/52 , H02K5/22 , H02K29/08 , H02K7/116 , H02K11/215 , H02K11/27
CPC classification number: H02K7/145 , H02K3/28 , H02K3/522 , H02K5/225 , H02K7/116 , H02K11/215 , H02K11/27 , H02K29/08 , H02K2203/03 , H02K2203/09
Abstract: A power tool (1; 90) includes a motor (17) having a stator (18) and a rotor (19). The stator (18) includes front and rear insulators (21, 22) respectively disposed forward and rearward of a stator core (20) in an axial direction thereof. At least six coils (23) are respectively wound on the stator (18) such that the coils (23) are wound through the front and rear insulators (21, 22). Winding wires (23a) respectively electrically connect circumferentially-adjacent pairs of the coils (23). A short circuiting device (25) short circuits respective pairs of windings (23a) that are located diagonally or diametrically across from one another.
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公开(公告)号：US09776338B2
公开(公告)日：2017-10-03
申请号：US14164128
申请日：2014-01-24
Applicant: MAKITA CORPORATION
Inventor： Kenji Abe , Yusuke Hirata , Tatsuya Nagahama
IPC: B26B7/00 , B27B19/14 , B27B9/04 , B26D7/06 , B26F3/00 , B27B5/38 , B23Q11/12 , H02K9/06 , H02K7/106 , H02K7/14 , B25F5/00
CPC classification number: B27B5/38 , B23Q11/126 , B25F5/001 , B25F5/008 , H02K7/106 , H02K7/145 , H02K9/06 , H02K11/0094
Abstract: A power tool, for example, a portable circular saw, includes a fan, a motor configured to rotate the fan, an output part or shaft driven by the motor, a motor housing that houses the motor, a grip housing connected to the motor housing, a trigger associated with the grip housing, and a brake member configured to brake a rotation of the motor, the brake member being mounted inside the grip housing. The brake member may be a resistive element of a rheostatic braking system. The housing and fan are configured such that cooling air is directed to cool the brake member.
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