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公开(公告)号：US12194597B2
公开(公告)日：2025-01-14
申请号：US17536311
申请日：2021-11-29
Applicant: MAKITA CORPORATION
Inventor： Shin Nakamura , Takafumi Kotsuji , Masatoshi Nakahama
Abstract: A dust collecting attachment removably attachable to a power tool that includes a housing and a spindle: a covering part formed such that a drive axis of a spindle passes through the inside of a suction hole in the attached state of the power tool and at least partially covers a periphery of the tool mounting part; a discharging part connected to the covering part and configured to discharge dust from the inside of the covering part; and at least one elastically deformable engagement piece connected to the covering part and having a claw configured to engage with the housing at a predetermined position of the housing.
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公开(公告)号：US10410811B2
公开(公告)日：2019-09-10
申请号：US15264870
申请日：2016-09-14
Applicant: MAKITA CORPORATION
Inventor： Takamasa Hanai , Hikaru Sunabe , Satoshi Ninagawa , Shin Nakamura , Masatoshi Nakahama , Kazusa Fukuda , Kenichi Miyata
Abstract: A power tool (1) includes an electric motor (2) as a drive source and a start switch (20; 61) that starts the electric motor (2) and is lockable in an ON position in a lock-ON state. An electromagnetic actuator (30; 40; 50; 60) pushes out or pulls in an actuation pin (30a; 40a; 50a; 60a) with respect to a body of the electromagnetic actuator (30; 40; 50; 60) in response to cutting off of a supply of electrical current to the power tool (1). The pushed-out or pulled-in actuation pin, directly or indirectly, disengages the start switch (20; 61) from the lock-ON state and/or prevents the start switch (20; 61) from being shifted into the lock-ON state.
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公开(公告)号：US11717938B2
公开(公告)日：2023-08-08
申请号：US16270037
申请日：2019-02-07
Applicant: MAKITA CORPORATION
Inventor： Shin Nakamura , Hideharu Muto , Kenichi Tabushi
CPC classification number: B24B55/052 , B24B23/022 , B24B23/028 , B24B47/12
Abstract: An electric power tool disclosed herein may include a motor; a power transmission mechanism connected to the motor; a housing that houses the motor and the power transmission mechanism; a tool holder projecting from the housing; a cover covering at least a part of a tool attached to the tool holder; and a mask member. The cover may include an engaging portion that engages with the housing. The mask member may have a shape that blocks visibility of at least a part of the engaging portion.
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Patent Agency Ranking
公开(公告)号：US11045938B2
公开(公告)日：2021-06-29
申请号：US15418112
申请日：2017-01-27
Applicant: MAKITA CORPORATION
Inventor： Junichi Iwakami , Shin Nakamura , Akira Mizutani , Takafumi Kotsuji
Abstract: Several means 71, 72, 73, 74, and 75 are provided for restricting a relative displacement in a separating direction of half-split housings 50L, 50R. At one or more of several screw-connection parts 60 of the left and right half-split housings 50L, 50R, a press-fitting protrusion 71a is provided in an insertion hole 62a of a boss-receiving part 62 into which a screw-boss part 61 is inserted. By press-fitting the screw-boss part 61 to the boss-receiving part 62, a separation resistance may be introduced between the left and right half-split housings 50L, 50R.
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公开(公告)号：US11850720B2
公开(公告)日：2023-12-26
申请号：US17513553
申请日：2021-10-28
Applicant: MAKITA CORPORATION
Inventor： Takafumi Kotsuji , Shin Nakamura , Akira Mizutani , Masatoshi Nakahama , Yoshihiro Ozeki
IPC: B25F5/00
CPC classification number: B25F5/006
Abstract: A power tool includes a motor, a spindle, an inner housing, an outer housing formed by an upper member and a lower member, a pair of interposing members and a pair of elastic members. The interposing members are arranged leftward and rightward of the inner housing, respectively, and fixedly connected to a first member, which is one of the upper member and the lower member, and at least partially in contact with an inner surface of the first member. The elastic members are held between a left portion of the inner housing and one of the interposing members and between a right portion of the inner housing and the other of the interposing members, respectively. A first end portion of each of the interposing members has at least one first surface extending to be closer to the inner housing toward a tip end of the first end portion.
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公开(公告)号：US09168650B2
公开(公告)日：2015-10-27
申请号：US13749185
申请日：2013-01-24
Applicant: MAKITA CORPORATION
Inventor： Toru Itakura , Shin Nakamura , Takayuki Tahara , Akira Mizutani
Abstract: An oscillating rotary electric power tool, in which a spindle with a distal end tool attached thereto is projected downward from a front end portion of a housing accommodating a motor, and the housing also accommodates a coupling member rotatable integrally with an output shaft of the motor, a crankshaft fitted with the coupling member in a depression and projection fitting structure, and a link member to which the spindle is fixed and power is transmitted from the crankshaft to rotate clockwise and counterclockwise in an oscillating manner so that the link member will be driven by the motor to rotate the spindle clockwise and counterclockwise in the oscillating manner, wherein an elastic body is interposed between the coupling member and the crankshaft in the same axial direction as the output shaft.
Abstract translation: 一种振动旋转电动工具，其中附接有远端工具的主轴从容纳电动机的壳体的前端部向下突出，并且所述壳体还容纳与电动机的输出轴一体旋转的联接构件 ，配有联接构件的曲轴，位于凹陷和突出配合结构中，以及连杆构件，主轴被固定到该连杆构件，并且动力从曲轴传递，以振荡方式顺时针和逆时针方向旋转，使得连杆构件将被驱动 通过电动机以摆动方式顺时针和逆时针旋转主轴，其中弹性体在与输出轴相同的轴向方向插入在联接构件和曲轴之间。
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公开(公告)号：US10478943B2
公开(公告)日：2019-11-19
申请号：US15258045
申请日：2016-09-07
Applicant: MAKITA CORPORATION
Inventor： Shin Nakamura , Takafumi Kotsuji , Ken Goto , Akira Mizutani , Junya Ishikawa
Abstract: A grinder (100) includes a motor (12), a housing (4, 6, 30), a spindle (24), a first cover (120), and a second cover (170). The spindle protrudes downward from the housing, is driven by the motor, and thereby rotates. The first cover is provided in the circumferential direction of the spindle, is fixed to the housing, and at least partially covers a tool accessory (40), which is mounted on the spindle, from above. The second cover is detachably mounted on the housing (6) independently of the first cover.
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公开(公告)号：US09539682B2
公开(公告)日：2017-01-10
申请号：US14146120
申请日：2014-01-02
Applicant: MAKITA CORPORATION
Inventor： Takahiro Kawakami , Shin Nakamura , Masatoshi Nakahama
CPC classification number: B23Q3/14 , B23B31/10 , B23D61/006 , B24B23/04 , B24B45/006 , B27B5/32 , B27B19/006 , Y10T279/33 , Y10T279/34
Abstract: A power tool includes a clamp shaft for clamping a tool accessory to the power tool and a clamp shaft holding mechanism for selectively locking the clamp shaft to hold the clamp shaft in a position that secures the tool accessory on the power tool. The power tool also includes a lever for shifting the clamp shaft holding mechanism between clamped and unclamped states. The lever is configured such that when an operator grasps the lever and moves it toward a position for releasing the tool accessory, the lever and the operator's hand move away from the tool accessory.
Abstract translation: 电动工具包括用于将工具附件夹持到动力工具的夹紧轴和用于选择性地锁定夹紧轴以将夹持轴保持在将工具附件固定在动力工具上的位置的夹紧轴保持机构。 动力工具还包括用于在夹紧状态和非夹紧状态之间移动夹紧轴保持机构的杆。 杠杆被构造成使得当操作者抓住杆并将其移动到用于释放工具附件的位置时，杠杆和操作者的手离开工具附件。
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