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公开(公告)号：US20240416471A1
公开(公告)日：2024-12-19
申请号：US18631902
申请日：2024-04-10
Applicant: MAKITA CORPORATION
Inventor： Hitoshi IIDA , Masanori FURUSAWA
Abstract: A self-suction dust collection attachment including a dust collection motor and a fan can be mechanically coupled and electrically connected to multiple types of power tools. A dust collection attachment attachable to a first power tool includes a casing, a suction portion, a dust collector that captures dust sucked through the suction portion, a fan that generates a suction force in the suction portion, a dust collection motor that rotates the fan, and an adapter attachable to at least a second power tool and detachably attachable to the casing. The adapter includes a mechanical coupler that couples the casing and the second power tool and an electrical connector that electrically connects the dust collection attachment and the second power tool when the dust collection attachment is coupled to the second power tool.
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公开(公告)号：US20240033870A1
公开(公告)日：2024-02-01
申请号：US18224368
申请日：2023-07-20
Applicant: MAKITA CORPORATION
Inventor： Hajime TAKEUCHI , Hitoshi IIDA , Masanori FURUSAWA , Yoji INOUE
CPC classification number: B23Q11/0046 , B23Q11/0071 , B23B45/003 , B23B45/02
Abstract: A dust collecting attachment for an electric power tool includes dust collecting fans, a suctioning portion, and a dust collecting portion. The suctioning portion generates a suctioning force by rotation of the dust collecting fans. The dust collecting portion captures dust suctioned from the suctioning portion. When the dust collecting attachment is mounted to an electric power tool including a motor, a fan shaft of the dust collecting fans is connected to a rotation shaft that is disposed in the electric power tool and rotates in accordance with driving of the motor to allow the dust collecting fans to rotate integrally with the rotation shaft. The dust collecting fans are disposed in a plurality of stages in an axial direction of the fan shaft.
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公开(公告)号：US20210402584A1
公开(公告)日：2021-12-30
申请号：US17473054
申请日：2021-09-13
Applicant: MAKITA CORPORATION
Inventor： Kiyonobu YOSHIKANE , Hajime TAKEUCHI , Yoshiro TADA , Masanori FURUSAWA , Masao MIWA , Shinji ONODA , Yoshitaka MACHIDA
Abstract: A power tool (100) comprises a motor (110) operably driving a tool bit (119), a tool body (101) housing the motor (110), a handle (109) coupled to the tool body (101), and at least two battery mount parts (160A, 160B) defined on the handle (109) and/or the tool body (101). Each of the battery mount parts (160A, 160B) comprises a battery engaging part (161) configured to detachably engage with battery packs (170A, 170B) by sliding the battery packs (170A, 170B) relative to the battery engaging part (161) in a direction perpendicular to the longitudinal direction of the tool bit (119). In a state in which at least one of the battery packs (170A, 170B) is mounted on at least one of the battery mount parts (160A, 160B), a length of the mounted battery in a driving axis extending direction is shorter than a length of the mounted battery in a cross direction.
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公开(公告)号：US20200306669A1
公开(公告)日：2020-10-01
申请号：US16789533
申请日：2020-02-13
Applicant: MAKITA CORPORATION
Inventor： Yoshiro TADA , Masanori FURUSAWA
Abstract: The filter can receive timely dust removal in a reliable manner. A dust collection attachment connectable to a hammer drill includes a dust collection motor that generates a suction force, a filter that catches sucked dust, a solenoid that removes dust accumulating on the filter, and a dust collection controller that controls an operation of the dust collection motor and the solenoid and activates the solenoid when a predetermined condition is satisfied.
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公开(公告)号：US20180099396A1
公开(公告)日：2018-04-12
申请号：US15724503
申请日：2017-10-04
Applicant: MAKITA CORPORATION
Inventor： Hitoshi IIDA , Masanori FURUSAWA , Kei WATANABE
CPC classification number: B25D17/24 , B25D11/12 , B25D16/006 , B25D17/043 , B25D17/20 , B25D2211/003 , B25D2211/068 , B25D2216/0023 , B25D2216/0084 , B25D2250/095 , B25D2250/121 , B25D2250/245 , B25D2250/265 , B25D2250/371 , F21V33/00
Abstract: A power tool, such as a rotary hammer or hammer drill, includes a first housing that contains a motor and a drive mechanism for linearly reciprocally driving a tool accessory, and a second housing that includes a handle, a first portion and a second portion. At least one elastic element connects the first and second housings such that the handle is biased away from the first housing. A first set of sliding contact surfaces is defined on or connected to the first housing and the first portion of the second housing. A second set of sliding contact surfaces is defined on or connected to the first housing and the second portion of the second housing. The first and second sets of sliding contact surfaces are located on opposite sides of the motor such that the rotational axis of the motor intersects the first and second sets of sliding contact surfaces.
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Patent Agency Ranking
公开(公告)号：US20180001463A1
公开(公告)日：2018-01-04
申请号：US15545972
申请日：2016-01-27
Applicant: MAKITA CORPORATION
Inventor： Masanori FURUSAWA
Abstract: A work tool includes a driving motor, a rotary shaft member configured to be rotationally driven by the driving motor, a swinging member configured to be caused to swing by rotation of the rotary shaft member, a tool accessory driving mechanism configured to drive a tool accessory by swinging of the swinging member, a body housing the driving motor, the rotary shaft member, the swinging member and the tool accessory driving mechanism, and a vibration reducing mechanism configured to reduce vibration caused in the body. The vibration reducing mechanism includes a dynamic vibration reducer having an elastic member and a weight, and a connecting member connecting the weight and the swinging member. The vibration reducing mechanism is configured to reciprocate the weight via the connecting member by the swinging of the swinging member.
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公开(公告)号：US20150328764A1
公开(公告)日：2015-11-19
申请号：US14810298
申请日：2015-07-27
Applicant: Makita Corporation
Inventor： Kiyonobu YOSHIKANE , Hajime TAKEUCHI , Yoshiro TADA , Masanori FURUSAWA , Masao MIWA , Shinji ONODA , Yoshitaka MACHIDA
Abstract: A power tool includes a motor which drives a tool bit, a tool body, a handle, and battery mount part, to which battery is detachably mounted. The power tool includes a plurality of battery mount parts, and the battery mount part, includes a battery engaging part with which the battery, can engage. The battery is mounted to the battery mount part by sliding against the battery engaging part in a crossing direction which crosses the longitudinal direction of the tool bit.
Abstract translation: 电动工具包括驱动工具头的电动机，工具主体，手柄和电池安装部分，电池可拆卸地安装在该电动工具上。 电动工具包括多个电池安装部件，并且电池安装部件包括可与电池接合的电池接合部分。 电池通过在与刀头的纵向交叉的交叉方向上抵靠电池接合部分而安装到电池安装部分。
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公开(公告)号：US20150104250A1
公开(公告)日：2015-04-16
申请号：US14483650
申请日：2014-09-11
Applicant: Makita Corporation
Inventor： Yoshiro TADA , Masanori FURUSAWA
CPC classification number: B25F5/02 , H01M2/1022 , Y10T403/7073
Abstract: An electric tool may include a battery mount portion having a guide groove structure that can be slidably fitted with a guide projection structure of a rechargeable battery. A reinforcing member may be attached to the guide groove structure of the battery mount portion and may include a connecting structure for detachably connecting the reinforcing member to the guide groove structure.
Abstract translation: 电动工具可以包括电池安装部分，其具有可滑动地装配有可再充电电池的引导突起结构的引导槽结构。 加强构件可以附接到电池安装部的引导槽结构，并且可以包括用于将加强构件可拆卸地连接到引导槽结构的连接结构。
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公开(公告)号：US20240009823A1
公开(公告)日：2024-01-11
申请号：US18211009
申请日：2023-06-16
Applicant: MAKITA CORPORATION
Inventor： Hajime TAKEUCHI , Yoji INOUE , Masanori FURUSAWA
IPC: B25D16/00
CPC classification number: B25D16/006 , B25D2211/068 , B25D2216/0015 , B25D2216/0023 , B25D2216/0084 , B25D2250/121
Abstract: A rotary hammer includes a tool body, a tool holder, a cylinder, and a coupling member. The tool holder has a tubular shape and a longitudinal axis. The tool holder is configured to hold a tool accessory to be movable along the longitudinal axis and is supported by the tool body to be rotatable around the longitudinal axis. The cylinder extends coaxially with the tool holder and is supported by the tool body to be rotatable around the longitudinal axis. The coupling member is between the tool holder and the cylinder in a radial direction of the tool holder and is engaged with the tool holder and the cylinder to couple the tool holder and the cylinder together such that the tool holder and the cylinder integrally rotate.
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公开(公告)号：US20210237248A1
公开(公告)日：2021-08-05
申请号：US17155216
申请日：2021-01-22
Applicant: MAKITA CORPORATION
Inventor： Masanori FURUSAWA , Hajime TAKEUCHI
IPC: B25D16/00
Abstract: A rotary hammer includes a motor, a manipulation member, a main switch, a mode-switching member, a first locking member and a second locking member. The first locking member is configured to selectively lock the manipulation member in an OFF position according to a switching position of the mode-switching member. The second locking member is configured to selectively lock the manipulation member in an ON position according to the switching position of the mode-switching member. The first locking member is allowed to lock the manipulation member in the OFF position both when a hammer mode has been selected and when a drill mode has been selected. The motor is allowed to be driven in a state in which the manipulation member is locked in the ON position by the second locking member only when the hammer mode has been selected.
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