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公开(公告)号：US11964356B2
公开(公告)日：2024-04-23
申请号：US16981247
申请日：2019-03-27
Applicant: MAKITA CORPORATION
Inventor： Ryosuke Otani , Junya Ishikawa , Takafumi Kotsuji , Satoshi Ninagawa , Ken Goto , Yu Eto
Abstract: A hand-held tool, such as a disc grinder, is used to perform work at a high work site, a countermeasure is taken to prevent the hand-held tool from falling by using a suspension tool, such as a tether strap. If a coupling part that couples the suspension tool to the hand-held tool is damaged, this fact is notified to a user. Thereby, an original function of the suspension tool can be reliably performed. If a large impact is applied to a coupling member via a suspension tool, the coupling member is displaced to a second position, due to the deformation of a first position retaining member. A conductive portion disengages from contacts to cause a power circuit to be shut off, thereby prohibiting a main body part from being activated.
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公开(公告)号：US11801594B2
公开(公告)日：2023-10-31
申请号：US17860322
申请日：2022-07-08
Applicant: MAKITA CORPORATION
Inventor： Ryosuke Otani , Junya Ishikawa
CPC classification number: B25F5/026
Abstract: A power tool includes a side handle that can be toollessly positioned and also attached to or detached from a tool body. The power tool includes a tool body having a side surface, a side handle on the side surface of the tool body, and an operable portion operable to attach or detach the side handle to or from the tool body and to position the side handle being attached to the tool body.
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公开(公告)号：US12194596B2
公开(公告)日：2025-01-14
申请号：US17914949
申请日：2021-04-08
Applicant: MAKITA CORPORATION
Inventor： Akira Mizutani , Junya Ishikawa , Daiki Imaida
Abstract: 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：USD863013S1
公开(公告)日：2019-10-15
申请号：US29667069
申请日：2018-10-18
Applicant: MAKITA CORPORATION
Designer： Tomonori Kawase , Junya Ishikawa
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公开(公告)号：US12030170B2
公开(公告)日：2024-07-09
申请号：US17640643
申请日：2020-08-06
Applicant: MAKITA CORPORATION
Inventor： Hiroki Kaneko , Akira Mizutani , Ryosuke Otani , Shunpei Yamaji , Junya Ishikawa , Fumiyoshi Saito
Abstract: The disclosure discloses an electric power tool. The electric power tool may include a motor, a power transmission mechanism connected to the motor, a housing that houses the motor and the power transmission mechanism, an end tool holder to which an end tool is configured to be attached and from which the end tool is configured to be detached, and connected to the power transmission mechanism, and a handle attached to the housing. The electric power tool may be configured to prohibit rotation of the motor when a user is not gripping the handle.
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Patent Agency Ranking
公开(公告)号：US11931859B2
公开(公告)日：2024-03-19
申请号：US16983588
申请日：2020-08-03
Applicant: MAKITA CORPORATION
Inventor： Junya Ishikawa
CPC classification number: B24B47/12 , B24B23/005 , B24B23/02
Abstract: A grinder includes a motor including an output shaft, a housing accommodating the motor, a switch, a brake member movable back and forth between a rear braking position and a front brake release position, a switch lever movable between an initial position and a depressed position, a sliding member slidable between a first position to move the brake member to the brake release position and a second position to move the brake member to the braking position to turn on the switch at the first position and turn off the switch at the second position, and a link member rotatable between a first rotational position to move the sliding member to the first position and a second rotational position to move the sliding member to the second position.
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公开(公告)号：US10821570B2
公开(公告)日：2020-11-03
申请号：US15762608
申请日：2016-09-23
Applicant: MAKITA CORPORATION
Inventor： Akira Tomonaga , Katsuhito Fujinami , Ryo Imuta , Masatoshi Nakahama , Akira Mizutani , Takahiro Kawakami , Hideharu Muto , Junya Ishikawa , Ken Goto
Abstract: 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：US11980991B2
公开(公告)日：2024-05-14
申请号：US17265164
申请日：2019-08-01
Applicant: MAKITA CORPORATION
Inventor： Kenichi Tabushi , Akira Mizutani , Ken Goto , Kenji Shibata , Hideharu Muto , Satoshi Ninagawa , Junya Ishikawa , Takafumi Kotsuji
IPC: B24B23/02
CPC classification number: B24B23/028
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 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：US11148251B2
公开(公告)日：2021-10-19
申请号：US16000010
申请日：2018-06-05
Applicant: MAKITA CORPORATION
Inventor： Hideharu Muto , Junya Ishikawa
Abstract: A grinder may include a motor; a spindle to which a grinding wheel is attached; bevel gears configured to transmit rotation of the motor to the spindle; a motor housing which houses the motor; a gear housing attached to a front side of the motor housing and housing the bevel gears; a spindle case attached to a lower side of the gear housing and rotatably supporting the spindle; a wheel cover attached to the spindle case and covering an outside of at least a part of the grinding wheel; and a stopper configured to prohibit removal of the wheel cover, wherein the stopper may be fastened together with the spindle case by a screw which fastens the spindle case to the gear housing.
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公开(公告)号：US11000933B2
公开(公告)日：2021-05-11
申请号：US16114530
申请日：2018-08-28
Applicant: MAKITA CORPORATION
Inventor： Junya Ishikawa
IPC: H02K7/14 , B25F5/02 , B24B23/02 , B24B41/00 , B24B23/03 , B24D13/14 , B25F5/00 , H01M50/20 , B24B27/00 , B24D9/08 , B60S3/06
Abstract: In an angle electric power tool 1 in which an output axis P intersects and is orthogonal to a motor axis J, a battery attachment portion 40 is provided to the rear of a grip 30 so as to extend in the rearward direction and a battery pack 50 is configured to be attached to an upper surface of said battery attachment portion 40. Because of this configuration, the battery pack 50 does not directly come into contact with a working surface W, thereby preventing flaws and scratches on the working surface W.
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