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公开(公告)号：US20250049276A1
公开(公告)日：2025-02-13
申请号：US18795568
申请日：2024-08-06
Applicant: MAKITA CORPORATION
Inventor： Bang WANG , Xiaongfei Wen , Yoshiro Tada , Takahiro Nishikawa
Abstract: A dust collecting attachment includes a dust suction portion and a main body. The main body has a dust collection passage communicated with the dust suction portion. The dust suction portion has a negative pressure by exerting a suction force to the dust collection passage from a hose. The dust suction portion includes an inner pipe through which a tip tool passes, a first dust suction flow passage, and a second dust suction flow passage. The first dust suction flow passage opens a first suction opening to a side of a workpiece in an outside in a radial direction of the inner pipe and is communicated with the dust collection passage. The second dust suction flow passage opens a second suction opening to an opposite side of the workpiece in the outside in the radial direction of the inner pipe and is communicated with the dust collection passage.
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公开(公告)号：US20240116161A1
公开(公告)日：2024-04-11
申请号：US18543193
申请日：2023-12-18
Applicant: MAKITA CORPORATION
Inventor： Kiyonobu YOSHIKANE , Yoshiro Tada
CPC classification number: B25D17/043 , B25D11/06 , B25D16/006
Abstract: A power tool includes a motor, a driving mechanism, a main housing, a handle housing, a first guide part and a second guide part. The handle housing is movable relative to the main housing at least in a front-rear direction. The first and second guide parts are configured to guide relative sliding between the main housing and the handle housing in the front-rear direction. Each of the first guide part and the second guide part includes a first engagement part and a second engagement part engaged with each other to be slidable in the front-rear direction. The main housing has the first engagement part. The handle housing has the second engagement part. The second guide part is spaced apart from the first guide part and located rearward of the first guide part in the front-rear direction.
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公开(公告)号：US11926030B2
公开(公告)日：2024-03-12
申请号：US17396863
申请日：2021-08-09
Applicant: MAKITA CORPORATION
Inventor： Kiyonobu Yoshikane , Yoshiro Tada
CPC classification number: B25D17/043 , B25D11/06 , B25D16/006 , B25D2250/095 , B25D2250/121 , B25D2250/221
Abstract: A power tool includes a motor, a driving mechanism, a main housing, a handle housing, a first guide part and a second guide part. The handle housing is movable relative to the main housing at least in a front-rear direction. The first and second guide parts are configured to guide relative sliding between the main housing and the handle housing in the front-rear direction. Each of the first guide part and the second guide part includes a first engagement part and a second engagement part engaged with each other to be slidable in the front-rear direction. The main housing has the first engagement part. The handle housing has the second engagement part. The second guide part is spaced apart from the first guide part and located rearward of the first guide part in the front-rear direction.
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公开(公告)号：US10744609B2
公开(公告)日：2020-08-18
申请号：US16263380
申请日：2019-01-31
Applicant: MAKITA CORPORATION
Inventor： Yoshiro Tada
Abstract: A dust collector for electric power tool includes a casing, a ring-shaped suction opening, a dust collecting route, and a filter. The suction opening protrudes forward from the casing. The tool bit of the electric power tool is insertable into the suction opening in a state where the suction opening is brought into contact with a surface to be processed. The dust collecting route is formed within the casing and guides an air suctioned from the suction opening to a dust collection portion in the casing. The filter is disposed in the dust collection portion to capture dust suctioned with the air. On the dust collecting route in the dust collection portion, a first filter and a second filter are disposed. The first filter includes a dust collecting chamber partitioned inside the dust collection portion. The second filter is arranged outside the first filter independently from the first filter.
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公开(公告)号：US09956659B2
公开(公告)日：2018-05-01
申请号：US14077943
申请日：2013-11-12
Applicant: MAKITA CORPORATION
Inventor： Hajime Takeuchi , Masanori Furusawa , Yoshiro Tada
IPC: B23Q11/00
CPC classification number: B23Q11/0046 , B23Q11/0071
Abstract: A dust collecting device 140 is provided which is attached to an electric hammer 101 having a side handle 110 which is removably attached to a body 103. The dust collecting device 140 has a dust collecting hood 141 and a hose holder 145. The side handle 110 has a mounting ring 111 which is mounted on the body 103, a grip 121 and a grip securing part 131. The grip 121 is secured by moving relative to the grip securing part 131 in a direction crossing an axial direction of the hammer bit 200. By this relative movement for securing the grip 121, the hose holder 145 is held between the grip 121 and the grip securing part 131.
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Patent Agency Ranking
公开(公告)号：US09463563B2
公开(公告)日：2016-10-11
申请号：US14073499
申请日：2013-11-06
Applicant: MAKITA CORPORATION
Inventor： Hajime Takeuchi , Masanori Furusawa , Yoshiro Tada
CPC classification number: B25D16/006 , B25D17/26 , B25D2216/0023 , B25D2217/0096 , B25D2250/255 , B25D2250/345 , B25D2250/365 , B25D2250/381 , B25F5/001 , G05G5/06 , H01H9/06
Abstract: It is an object of the invention to provide an improved impact tool in which a biasing member is not affected by dust.An impact tool according to the invention has a driving mechanism 120 for driving a tool bit 119, housing parts 105, 106 that form a housing space 105a in which at least part of the driving mechanism 120 is disposed, and a switching member 160 for switching a drive mode of the impact tool. The switching member 160 has an operating member 161 that is operated by a user for mode switching, and a biasing member 175 that is disposed between the operating member 161 and the housing part 106 and biases the operating member 161 so as to hold the operating member 161 in a selected position. The biasing member 175 is disposed in the housing space 105a.
Abstract translation: 根据本发明的冲击工具具有用于驱动工具钻头119的驱动机构120，形成至少部分驱动机构120的壳体空间105a的壳体部件105,106以及用于切换的切换构件160 冲击工具的驱动模式。 切换构件160具有由使用者进行模式切换操作的操作构件161和设置在操作构件161和壳体部106之间的偏置构件175，并且偏压操作构件161以保持操作构件 161在选定的位置。 偏置构件175设置在容纳空间105a中。
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公开(公告)号：US12090617B2
公开(公告)日：2024-09-17
申请号：US18103507
申请日：2023-01-31
Applicant: MAKITA CORPORATION
Inventor： Kiyonobu Yoshikane , Hajime Takeuchi , Yoshiro Tada , Masanori Furusawa , Masao Miwa , Shinji Onoda , Yoshitaka Machida
Abstract: A power tool, such as a hammer drill (100), has first and second battery mount parts (160A, 160B) that are aligned in a longitudinal direction of the power tool. First and second batteries (170A, 170B) are mountable thereon in series along a straight line that extends in the longitudinal direction. The first battery (170A) is mounted on the first battery mount part (160A) by sliding along the straight line towards the second battery mount part (160B). The second battery (170B) is mounted on the second battery mount part (170B) by sliding along the straight line towards the first battery mount part (170A).
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公开(公告)号：US11491598B2
公开(公告)日：2022-11-08
申请号：US16830455
申请日：2020-03-26
Applicant: MAKITA CORPORATION
Inventor： Hitoshi Iida , Yoshiro Tada , Hideki Tsuji , Taro Hisano
Abstract: A dust collecting system includes a power tool and a stationary dust collector. The power tool is configured to perform processing operation on a workpiece by driving a tool accessory. The stationary dust collector is configured to be placed separately from the power tool and to collect dust generated by the processing operation. The power tool includes a first motor and a driving mechanism configured to drive the tool accessory by power of the first motor. The dust collector includes a second motor and a fan configured to be rotationally driven by the second motor to generate air flow for collecting dust. The dust collecting system includes a control device configured to control a rotation speed of the second motor according to a driving state of the power tool.
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公开(公告)号：US10987792B2
公开(公告)日：2021-04-27
申请号：US16289004
申请日：2019-02-28
Applicant: MAKITA CORPORATION
Inventor： Kiyonobu Yoshikane , Yoshiro Tada , Mizuki Yamamoto
Abstract: An impact tool includes a tubular tool holder, a hammering mechanism, a resistor, and a biasing member. An impact element moves forward and rearward in conjunction with a piston. An intermediate element is housed movable back and forth between the impact element and a tip tool. The intermediate element abuts on a rear end of the tip tool to indirectly transmit a striking force from the impact element to the tip tool in a normal striking. The resistor is configured to abut on at least one of the intermediate element and the tip tool to apply a resistance to a front-rear movement of at least one of the intermediate element and the tip tool in a non-striking state. The biasing member disposed on the tool holder biases the resistor to a side of at least one of the intermediate element and the tip tool.
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公开(公告)号：US10744634B2
公开(公告)日：2020-08-18
申请号：US15808195
申请日：2017-11-09
Applicant: MAKITA CORPORATION
Inventor： Yasuhiro Kakiuchi , Hajime Takeuchi , Masanori Furusawa , Yoshiro Tada
Abstract: An impact tool is provided which has a driving mechanism, that drives a tool bit, a motor that drives the driving mechanism, an inner housing that houses the driving mechanism, an outer housing that has an internal space for housing the inner housing and the motor, an opening that leads from the outside to the internal space of the outer housing, and a covering member that covers the opening.
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