公开(公告)号：US20140361740A1

公开(公告)日：2014-12-11

申请号：US14369710

申请日：2012-12-25

Applicant: MAKITA CORPORATION

Inventor： Hitoshi Suzuki ,  Kosuke Ito ,  Akira Naito

IPC: H02J7/00 ,  H02J7/02

CPC classification number: H02J7/0044 ,  H02J5/00 ,  H02J5/005 ,  H02J7/0021 ,  H02J7/0027 ,  H02J7/0045 ,  H02J7/02 ,  H02J7/025 ,  H02J50/10 ,  H02J50/40 ,  H02J50/80 ,  H02J2007/0001 ,  H02J2007/0096

Abstract: A battery system for a power tool includes two or more battery packs (12), at least one battery holder (14) adapted to detachably engage two or more of the battery packs and a charger (16, 216, 316, 416) adapted to detachably engage the battery holder and to simultaneously electrically communicate with two or more of the battery packs while the at least one battery holder engages both the charger and the battery packs.

Abstract translation: 一种用于电动工具的电池系统包括两个或更多个电池组（12），适于可拆卸地接合两个或更多个电池组的至少一个电池座（14），以及一个充电器（16,216,316,416） 可拆卸地接合电池座并且同时与两个或更多个电池组电连通，同时至少一个电池座与充电器和电池组接合。

公开(公告)号：US11695182B2

公开(公告)日：2023-07-04

申请号：US17036411

申请日：2020-09-29

Applicant: MAKITA CORPORATION

Inventor： Akira Naito ,  Tatsuya Nagahama

IPC: H01M50/213 ,  H01M10/42 ,  H01M50/10 ,  H01M50/543 ,  H01M50/572 ,  H01M50/30

CPC classification number: H01M50/213 ,  H01M10/425 ,  H01M50/10 ,  H01M50/394 ,  H01M50/543 ,  H01M50/572 ,  H01M2220/30

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.

公开(公告)号：US11323013B2

公开(公告)日：2022-05-03

申请号：US17090240

申请日：2020-11-05

Applicant: MAKITA CORPORATION

Inventor： Kei Kouda ,  Akira Naito ,  Hideki Abe

IPC: F16H21/18 ,  H02K11/33 ,  A01D69/02 ,  A01D34/78 ,  A01D101/00

Abstract: An electric work machine includes a brushless motor including a stator including a stator core, an electrical insulator located on the stator core, and at least one coil wound around the stator core with the electrical insulator in between, and a rotor rotatable with respect to the stator, and an output unit drivable by the brushless motor. The stator core has a through-hole and/or a recess to lock rotation of the stator with a screw.

公开(公告)号：US10913141B2

公开(公告)日：2021-02-09

申请号：US15946029

申请日：2018-04-05

Applicant: MAKITA CORPORATION

Inventor： Hitoshi Iida ,  Masanori Furusawa ,  Hirokatsu Yamamoto ,  Ryo Umemoto ,  Yoshinori Sasaki ,  Akira Naito

IPC: B25D17/24 ,  B25D16/00 ,  B25D17/04

Abstract: An impact tool includes a motor, a driving mechanism, and a vibration sensor. The driving mechanism is configured to perform a hammering operation of linearly driving a tool accessory along an impact-axis by power of the motor. The impact-axis extends in a front-rear direction of the impact tool. The vibration sensor is configured to detect vibrations. The vibration sensor is disposed such that the vibration sensor is capable of detecting vibrations of a first frequency among vibrations caused in the impact tool, and such that transmission of vibrations of a second frequency to the vibration sensor is suppressed. The vibrations of the first frequency result from the hammering operation. The second frequency is different from the first frequency.

公开(公告)号：US20170070068A1

公开(公告)日：2017-03-09

申请号：US15348059

申请日：2016-11-10

Applicant: MAKITA CORPORATION

Inventor： Kosuke Ito ,  Hitoshi Suzuki ,  Akira Naito

IPC: H02J7/00 ,  H02J7/02

CPC classification number: H02J7/0044 ,  H02J5/00 ,  H02J5/005 ,  H02J7/0021 ,  H02J7/0027 ,  H02J7/0045 ,  H02J7/02 ,  H02J7/025 ,  H02J50/10 ,  H02J50/40 ,  H02J50/80 ,  H02J2007/0001 ,  H02J2007/0096

Abstract: A charger charges a rechargeable battery pack of a cordless power tool. The charger includes at least one wall that at least partially defines a battery pack receiving space for the battery pack, a first guide extending away from the at least one wall, and a second guide extending away from the at least one wall and spaced from the first guide. The at least one wall, the first guide and the second guide are configured to guide the battery pack to a prescribed position relative to the at least one wall. The first guide and the second guide each include a portion inclined relative to the insertion direction by an angle of inclination such that the distance between the inclined portion of the first guide and the inclined portion of the second guide decreases in the insertion direction.

Abstract translation: 充电器为无绳电动工具的可充电电池充电。 所述充电器包括至少一个壁，其至少部分地限定用于所述电池组的电池组接收空间，远离所述至少一个壁延伸的第一引导件，以及远离所述至少一个壁延伸的第二引导件， 第一指导。 所述至少一个壁，所述第一引导件和所述第二引导件构造成将所述电池组相对于所述至少一个壁引导到规定位置。 第一引导件和第二引导件各自包括相对于插入方向倾斜倾斜角度的部分，使得第一引导件的倾斜部分与第二引导件的倾斜部分之间的距离沿插入方向减小。

公开(公告)号：US09577228B2

公开(公告)日：2017-02-21

申请号：US14230628

申请日：2014-03-31

Applicant: MAKITA CORPORATION

Inventor： Akira Naito

IPC: H01M2/10 ,  H01M2/20 ,  H01M10/42

CPC classification number: H01M2/1055 ,  H01M2/105 ,  H01M2/20 ,  H01M2/204 ,  H01M10/425 ,  H01M2220/30

Abstract: A battery pack includes a battery side terminal electrically connectible with a device side terminal of a device body that may be a tool body of an electric tool or a charger body of a charger. The battery side terminal includes a first contact portion and a second contact portion. The first contact portion configured to form an electric contact through contact with a first side surface of the device side terminal. The second contact portion configured to form an electric contact through contact with a second side surface opposite to the first side surface of the device side terminal. The first contact portion configured to contact the first side surface in a first contact range having a first length. The second contact portion configured to contact the second side surface in a second contact range having a second length that may be different from the first length.

Abstract translation: 电池组包括电池侧端子，其可以与可以是电动工具的工具主体或充电器的充电器主体的装置主体的装置侧端子电连接。 电池侧端子包括第一接触部分和第二接触部分。 所述第一接触部分被配置为通过与所述器件侧端子的第一侧表面接触而形成电接触。 所述第二接触部分被配置为通过与与所述器件侧端子的第一侧表面相对的第二侧表面接触而形成电接触。 第一接触部分构造成在具有第一长度的第一接触范围内接触第一侧表面。 所述第二接触部分构造成在第二接触范围内接触所述第二侧表面，所述第二接触范围具有可能不同于所述第一长度的第二长度。

公开(公告)号：US09337453B2

公开(公告)日：2016-05-10

申请号：US14369706

申请日：2012-12-25

Applicant: MAKITA CORPORATION

Inventor： Hironori Ogura ,  Akira Naito ,  Takuya Umemura

IPC: H01M2/10 ,  H01M2/08 ,  H01M10/42 ,  H01M10/6235 ,  H01M10/6556

CPC classification number: H01M2/1055 ,  H01M2/08 ,  H01M2/1033 ,  H01M2/105 ,  H01M10/4257 ,  H01M10/6235 ,  H01M10/6556 ,  H01M2220/30

Abstract: A battery pack (10; 110) for a power tool includes a housing (18) made of a rigid material. The housing contains a cooling air passage (54), which is in gaseous communication with the outside environment, and at least one isolated space (52). At least one isolating wall (44) is disposed inside the housing so as to physically separate and isolate the cooling air passage from the at least one isolated space. A plurality of battery cells (32) is disposed within the housing such that an end portion (32a) thereof is disposed within the at least one isolated space and an intermediate portion (32b) thereof is disposed adjacent the cooling air passage. First portions (78) of the at least one isolating wall respectively contact the plurality of battery cells and are comprised of a material that is more flexible and/or elastic than the rigid material of the housing (18).

Abstract translation: 用于电动工具的电池组（10; 110）包括由刚性材料制成的壳体（18）。 壳体包括与外部环境气体连通的冷却空气通道（54）和至少一个隔离空间（52）。 至少一个隔离壁（44）设置在壳体内部，以便将冷却空气通道与至少一个隔离空间物理分离并隔离。 多个电池单元（32）设置在壳体内，使得其端部（32a）设置在至少一个隔离空间内，并且其中间部分（32b）设置在冷却空气通道附近。 所述至少一个隔离壁的第一部分（78）分别接触所述多个电池单体并且由比所述壳体（18）的刚性材料更柔性和/或弹性的材料构成。