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公开(公告)号：US09350000B2
公开(公告)日：2016-05-24
申请号：US14459457
申请日：2014-08-14
Applicant: MAKITA CORPORATION
Inventor： Hidekazu Hayashi , Eiji Kondo , Hironori Ogura , Hideyuki Taga , Kazutoshi Ogino
IPC: H01M10/052 , H01M2/10 , H01M2/34 , H01M2/36
CPC classification number: H01M2/1055 , H01M2/1016 , H01M2/1022 , H01M2/1094 , H01M2/34 , H01M2/36 , H01M2/364 , H01M2220/30
Abstract: A battery pack may include a drainage device provided at a bottom portion of the housing case. The drainage device may include a drain hole communicating between the inside and the outside of the housing case, so that water introduced into the housing case is discharged to the outside of the housing case. The drainage device may be disposed between two of the terminal members that are connected to electrodes of the battery cells.
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公开(公告)号：US08999542B2
公开(公告)日：2015-04-07
申请号：US13782583
申请日：2013-03-01
Applicant: Makita Corporation
Inventor： Eiji Kondo
CPC classification number: H01M2/1022 , B25F5/02 , H01M2/1055
Abstract: A battery housing portion S includes regulating members 30 adapted to fit grooves of a battery pack having a T-shape cross section, so that the battery pack can be housed in the battery housing portion S in the state that the both regulating members 30 fit the grooves. The regulating members 30 regulate housing orientation of the battery pack 20, so that misjudgment about orientation of the battery pack 20 is prevented. In addition, if the orientation has been misjudged, an operator can notice such misjudgment immediately, thereby improving the operability during mounting the battery pack 20.
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公开(公告)号：US11179824B2
公开(公告)日：2021-11-23
申请号：US16077499
申请日：2017-02-16
Applicant: MAKITA CORPORATION
Inventor： Eiji Kondo
IPC: B24B47/12 , H01M10/6551 , H01M10/04 , H02K5/22 , H02K7/14 , H02K9/06 , H02K11/00 , B25F5/00 , H02J7/00 , B24B23/02
Abstract: An electric working machine according to one aspect of the present disclosure includes a terminal block electrically connected to a battery pack. The terminal block includes a positive electrode connecting terminal and a negative electrode connecting terminal. The positive electrode connecting terminal includes a plate-shaped positive electrode side connection plate portion that comes in contact with a positive electrode terminal of the battery pack, and the negative electrode connecting terminal includes a plate-shaped negative electrode side connection plate portion that comes in contact with a negative electrode terminal of the battery pack. At least one of the positive electrode side connection plate portion and the negative electrode side connection plate portion is provided with a heat radiation plate portion in a thermal conductive manner.
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公开(公告)号：US10587134B2
公开(公告)日：2020-03-10
申请号：US16421580
申请日：2019-05-24
Applicant: MAKITA CORPORATION
Inventor： Eiji Kondo , Hironori Ogura , Takuya Umemura , Hideyuki Taga , Yoshihiro Ishikawa
Abstract: A battery pack (30) is configured to couple to a power tool (10) by sliding in a sliding direction and it contains a plurality of cells (31). A pair of battery-side, electric-power terminals (312a, 312b, 314a, 314b) and a battery-side signal terminal (313) can be electrically connected to a pair of tool-side, power-supply terminals (212, 214) and a tool-side signal terminal (213), respectively, which are provided on the power tool (10). The pair of battery-side, electric-power terminals (312a, 312b, 314a, 314b) and the battery-side signal terminal (313) are disposed in parallel adjacently in a direction that intersects the sliding direction.
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公开(公告)号：US09196879B2
公开(公告)日：2015-11-24
申请号：US13860208
申请日：2013-04-10
Applicant: MAKITA CORPORATION
Inventor： Hidekazu Hayashi , Eiji Kondo , Hironori Ogura , Hideyuki Taga , Kazutoshi Ogino
CPC classification number: H01M2/1055 , H01M2/1016 , H01M2/1022 , H01M2/1094 , H01M2/34 , H01M2/36 , H01M2/364 , H01M2220/30
Abstract: A battery pack may include a drainage device provided at a bottom portion of the housing case. The drainage device may include a drain hole communicating between the inside and the outside of the housing case, so that water introduced into the housing case is discharged to the outside of the housing case. The drainage device may be disposed between two of the terminal members that are connected to electrodes of the battery cells.
Abstract translation: 电池组可以包括设置在壳体的底部的排水装置。 排水装置可以包括在容纳壳体的内部和外部之间连通的排水孔，从而将引入壳体的水排出到壳体的外部。 排水装置可以设置在连接到电池单元的电极的两个端子构件之间。
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Patent Agency Ranking
公开(公告)号：US09847562B2
公开(公告)日：2017-12-19
申请号：US15015263
申请日：2016-02-04
Applicant: MAKITA CORPORATION
Inventor： Eiji Kondo
IPC: H01M10/6566 , H01M10/613 , H01M10/6235 , H01M10/643 , H01M10/6563 , H01M2/10
CPC classification number: H01M10/6566 , H01M2/1055 , H01M10/613 , H01M10/6235 , H01M10/643 , H01M10/6563 , H01M2220/30
Abstract: As a cooling draft flows from a rear side to a front side of battery cells (72) inside a battery pack (30), it is divided into two cooling drafts (F1, F2) in a left-right direction, which is the direction that the battery cells (72) are disposed in parallel, and those two cooling drafts respectively flow through a plurality of passageways that longitudinally extend along the battery cells (72). More particularly, a second battery cell (722) is cooled by the cooling draft flowing in a second ventilation-path volume (Q2) before a first battery cell (721) and a third battery cell (723) are cooled by cooling drafts respectively flowing in a first ventilation-path volume (Q1) and a third ventilation-path volume (Q3), which are longer than the second ventilation-path volume (Q2).
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公开(公告)号：US09786878B2
公开(公告)日：2017-10-10
申请号：US15134782
申请日：2016-04-21
Applicant: MAKITA CORPORATION
Inventor： Hidekazu Hayashi , Eiji Kondo , Hironori Ogura , Hideyuki Taga , Kazutoshi Ogino
IPC: H01M10/052 , H01M2/10 , H01M2/34 , H01M2/36
CPC classification number: H01M2/1055 , H01M2/1016 , H01M2/1022 , H01M2/1094 , H01M2/34 , H01M2/36 , H01M2/364 , H01M2220/30
Abstract: A battery pack may include a drainage device provided at a bottom portion of the housing case. The drainage device may include a drain hole communicating between the inside and the outside of the housing case, so that water introduced into the housing case is discharged to the outside of the housing case. The drainage device may be disposed between two of the terminal members that are connected to electrodes of the battery cells.
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公开(公告)号：US10348110B2
公开(公告)日：2019-07-09
申请号：US15015209
申请日：2016-02-04
Applicant: MAKITA CORPORATION
Inventor： Eiji Kondo , Hironori Ogura , Takuya Umemura , Hideyuki Taga , Yoshihiro Ishikawa
Abstract: A battery pack (30) is configured to couple to a power tool (10) by sliding in a sliding direction and it contains a plurality of cells (31). A pair of battery-side, electric-power terminals (312a, 312b, 314a, 314b) and a battery-side signal terminal (313) can be electrically connected to a pair of tool-side, power-supply terminals (212, 214) and a tool-side signal terminal (213), respectively, which are provided on the power tool (10). The pair of battery-side, electric-power terminals (312a, 312b, 314a, 314b) and the battery-side signal terminal (313) are disposed in parallel adjacently in a direction that intersects the sliding direction.
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公开(公告)号：US09899645B2
公开(公告)日：2018-02-20
申请号：US15677109
申请日：2017-08-15
Applicant: MAKITA CORPORATION
Inventor： Hidekazu Hayashi , Eiji Kondo , Hironori Ogura , Hideyuki Taga , Kazutoshi Ogino
IPC: H01M10/052 , H01M2/10 , H01M2/36 , H01M2/34
CPC classification number: H01M2/1055 , H01M2/1016 , H01M2/1022 , H01M2/1094 , H01M2/34 , H01M2/36 , H01M2/364 , H01M2220/30
Abstract: A battery pack may include a drainage device provided at a bottom portion of the housing case. The drainage device may include a drain hole communicating between the inside and the outside of the housing case, so that water introduced into the housing case is discharged to the outside of the housing case. The drainage device may be disposed between two of the terminal members that are connected to electrodes of the battery cells.
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公开(公告)号：USRE46429E1
公开(公告)日：2017-06-06
申请号：US14882994
申请日：2015-10-14
Applicant: MAKITA CORPORATION
Inventor： Hidekazu Hayashi , Eiji Kondo , Hironori Ogura , Hideyuki Taga
CPC classification number: H01M2/1055 , H01M2/1022
Abstract: A battery housing of a tool battery has a hook accommodation chamber and a battery cell accommodation chamber defined therein. A hook is accommodated within the hook accommodation chamber and is operable to lock and unlock the tool battery against a tool body of a power tool. Battery cells are disposed within the battery cell accommodation chamber. The hook accommodation chamber and the battery cell accommodation chamber are partitioned from each other.
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