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公开(公告)号：US20230150085A1
公开(公告)日：2023-05-18
申请号：US17914949
申请日：2021-04-08
申请人： MAKITA CORPORATION
发明人： Akira MIZUTANI , Junya ISHIKAWA , Daiki IMAIDA
CPC分类号： B24B49/12 , B24B23/005 , B24B23/028
摘要： A tool includes a first accessory, a second accessory, a first attachment portion configured to allow the first accessory to be detachably attached thereto, a second attachment portion configured to allow the second accessory to be detachably attached thereto, a first intermediate member configured to be displaced from a first non-attachment position to a first attachment position by the attachment of the first accessory to the first attachment portion, a second intermediate member configured to be displaced from a second non-attachment position to a second attachment position by the attachment of the second accessory to the second attachment portion, and a single sensor configured to detect a specific state in which the first intermediate member is located at the first attachment position and the second intermediate member is located at the second attachment position.
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公开(公告)号：US20210299813A1
公开(公告)日：2021-09-30
申请号：US17265164
申请日：2019-08-01
申请人： MAKITA CORPORATION
发明人： Kenichi TABUSHI , Akira MIZUTANI , Ken GOTO , Kenji SHIBATA , Hideharu MUTO , Satoshi NINAGAWA , Junya ISHIKAWA , Takafumi KOTSUJI
IPC分类号： B24B23/02
摘要： 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 tip tool holder connected to the power transmission mechanism; a cover covering the tip tool holder partially; a first locking mechanism configured to switch between a first locking state and a first unlocked state; and a second locking mechanism configured to switch between a second locking state and a second unlocked state. In the electric power tool, the cover may become detachable from the housing when the user performs the second unlocking operation on the second locking mechanism and the first unlocking operation on the first locking mechanism.
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公开(公告)号：US20180281146A1
公开(公告)日：2018-10-04
申请号：US15762608
申请日：2016-09-23
申请人： MAKITA CORPORATION
发明人： Akira TOMONAGA , Katsuhito FUJINAMI , Ryo IMUTA , Masatoshi NAKAHAMA , Akira MIZUTANI , Takahiro KAWAKAMI , Hideharu MUTO , Junya ISHIKAWA , Ken GOTO
CPC分类号： B24B23/022 , B24B23/02 , B24B49/10 , B24B55/05 , B24B55/052
摘要： A grinder according to one aspect of the present disclosure includes a motor, a housing for housing the motor, a spindle protruding from the housing and configured to be driven to be rotated by the motor, a wheel cover configured to cover a part of a tip end tool attached to the spindle, a detector configured to detect the wheel cover, and a controller configured to stop or restrict the spindle being driven by the motor in response to non-detection of the wheel cover by the detector.
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公开(公告)号：US20210220959A1
公开(公告)日：2021-07-22
申请号：US17273439
申请日：2019-09-06
申请人： MAKITA CORPORATION
摘要： A power tool, such as a grinder, may include: a prime mover such as a motor; a power-transmission mechanism operably connected to the prime mover; a housing that houses the prime mover and the power-transmission mechanism; and a tool-accessory retaining part for holding a tool accessary. The tool-accessory retaining part is operably connected to the power-transmission mechanism. An accessory is mounted on the housing in a detachable manner. A link member moves in response to mounting and demounting of the accessory. A detection sensor is housed in an interior of the housing and includes a non-contact sensor device. The detection sensor is configured to detect movement of the link member using the non-contact sensor device.
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公开(公告)号：US20200282539A1
公开(公告)日：2020-09-10
申请号：US16794512
申请日：2020-02-19
申请人： MAKITA CORPORATION
发明人： Hiroki IKUTA , Akira MIZUTANI
摘要： A work tool includes a housing, a spindle, a clamp shaft, a biasing member, an operation member, a motion-converting mechanism and a pushing-down member. The spindle is supported to be rotatable around a driving axis. The clamp shaft is movable in the up-down direction relative to the spindle. The biasing member is configured to bias the clamp shaft upward relative to the spindle so as to apply to the clamp shaft a clamping force for clamping a tool accessory between a head part of the clamp shaft and a lower end portion of the spindle. The motion-converting mechanism is configured to move the pushing-down member in the up-down direction along with turning of the operation member around the driving axis. The pushing-down member is configured to be moved downward so as to push the tool accessory downward when the operation member is turned in a first direction.
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公开(公告)号：US20190299387A1
公开(公告)日：2019-10-03
申请号：US16256516
申请日：2019-01-24
申请人： MAKITA CORPORATION
发明人： Takafumi KOTSUJI , Akira MIZUTANI
摘要： A power tool (1), such as a multi-tool, includes: a motor (21) extending in a front-rear direction; a motor housing (2) that houses the motor (21); a head housing (7) held forward of the motor housing (2); and an output shaft (60) protruding downward from the head housing (7). The head housing (7) may be made of a resin. In addition or in the alternative, the head housing (7) includes a lower-head housing case (4) screw fastened to an upper-head housing cover (5). In addition or in the alternative, the motor housing has a two-halved structure in which two half housings (2a, 2b) are screw fastened together.
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公开(公告)号：US20190077005A1
公开(公告)日：2019-03-14
申请号：US16185991
申请日：2018-11-09
申请人： MAKITA CORPORATION
摘要： An electric tool, such as an angle driver, has a main tool body with a front portion and a rear portion positioned opposite to the front portion. The main tool body houses a motor configured to receive electricity to function as a drive source. A gear head is coupled with the front portion of the main tool body wherein the gear head has a spindle in communication with a motor axis of the motor via mesh-engagement of bevel gears associated with the motor axis. The spindle has with a cutter tool accessory attached thereto such that rotation of the motor axis produces a commensurate rotation of the cutter tool accessory. Battery attachment portions are associated with the rear portion of the main tool body and are configured to receive a corresponding set of batteries that provide electricity to power the motor.
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公开(公告)号：US20180174773A1
公开(公告)日：2018-06-21
申请号：US15901287
申请日：2018-02-21
申请人： MAKITA CORPORATION
CPC分类号： H01H9/20 , B25F5/00 , H01H2231/048 , H01H2300/024 , H02K7/14 , H02K11/28
摘要： A rechargeable grinder includes a brushless motor, a main body housing configured to accommodate the brushless motor, a main switch and a micro switch configured to distribute power to the brushless motor, and a switch lever capable of moving with respect to the main switch and the micro switch, wherein a lock off lever capable of operating the micro switch in association with movement of the switch lever toward a switch is provided so as to be movable between a lock release position in which the micro switch can be operated and a lock position in which the micro switch cannot be operated.
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公开(公告)号：US20240066678A1
公开(公告)日：2024-02-29
申请号：US18388244
申请日：2023-11-09
申请人： MAKITA CORPORATION
IPC分类号： B25F5/00
CPC分类号： B25F5/006
摘要： 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：US20230256581A1
公开(公告)日：2023-08-17
申请号：US18012827
申请日：2021-04-15
申请人： MAKITA CORPORATION
发明人： Akira MIZUTANI , Masatoshi NAKAHAMA , Daiki IMAIDA
摘要： A work tool includes: a motor; a housing; an operation member extending in a longitudinal direction of the tool along the housing, configured to be pivotal about a pivotal axis by being subjected to a grip operation by a user, and exposed outside the housing on both first and second sides with respect to the pivotal axis; and a switch configured to detect that the operation member is moved to a first startup position in a first direction and to detect that the operation member is moved to a second startup position in a second direction opposite the first. The work tool is configured so that the motor is driven in a case where the pivotal movement to the first startup position is detected by the switch, and that the motor is driven in a case where the pivotal movement to the second startup position is detected by the switch.
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