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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
申请人： MAKITA CORPORATION
发明人： Ryosuke Otani , Junya Ishikawa , Takafumi Kotsuji , Satoshi Ninagawa , Ken Goto , Yu Eto
摘要： 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：US11833640B2
公开(公告)日：2023-12-05
申请号：US17955140
申请日：2022-09-28
申请人： MAKITA CORPORATION
发明人： Junichi Iwakami , Hideharu Muto , Ryosuke Otani
摘要： A grinder includes a brake mechanism, a switch lever, and a slide bar. In the grinder, an interlocking mechanism configured to interlock the brake mechanism with the switch lever includes a link member that is interposed between the switch lever and the slide bar, that moves the slide bar to the forward position at the push-in position of the switch lever, and that moves the slide bar to the retraction position at the initial position of the switch lever.
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公开(公告)号：US11890713B2
公开(公告)日：2024-02-06
申请号：US17044361
申请日：2018-12-26
申请人： MAKITA CORPORATION
发明人： Ryo Imuta , Ryosuke Otani
CPC分类号： B24B23/005 , B24B55/05 , B25F5/02
摘要： A 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; a tip tool holder connected to the power transmission mechanism and holding a tip tool; and a cover covering at least a part of the tip tool. The cover may include: a fixed cover portion fixed to the housing; a movable cover portion movable with respect to the fixed cover portion; and an operation member mechanically connected to the movable cover portion and configured to move the movable cover portion with respect to the fixed cover portion.
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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
申请人： MAKITA CORPORATION
发明人： Ryosuke Otani , Junya Ishikawa
CPC分类号： B25F5/026
摘要： 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：US10357868B2
公开(公告)日：2019-07-23
申请号：US15257987
申请日：2016-09-07
申请人： MAKITA CORPORATION
发明人： Takahiro Kawakami , Satoshi Ninagawa , Kenji Shibata , Ryosuke Otani , Ryo Imuta
摘要： A grinder includes a motor, a housing, a spindle and a cover. The spindle protrudes downward from the housing, is driven by the motor, and thereby rotates. The cover is provided on the spindle in the circumferential direction and at least partially covers a tool accessory, which is mounted on the spindle. The cover is configured such that at least one part deforms and/or is composed of an elastic material.
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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
申请人： MAKITA CORPORATION
发明人： Hiroki Kaneko , Akira Mizutani , Ryosuke Otani , Shunpei Yamaji , Junya Ishikawa , Fumiyoshi Saito
摘要： 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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公开(公告)号：US11484986B2
公开(公告)日：2022-11-01
申请号：US16468508
申请日：2017-11-20
申请人： MAKITA CORPORATION
发明人： Junichi Iwakami , Hideharu Muto , Ryosuke Otani
摘要： A grinder includes a brake mechanism, a switch lever, and a slide bar. In the grinder, an interlocking mechanism configured to interlock the brake mechanism with the switch lever includes a link member that is interposed between the switch lever and the slide bar, that moves the slide bar to the forward position at the push-in position of the switch lever, and that moves the slide bar to the retraction position at the initial position of the switch lever.
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公开(公告)号：US10556319B2
公开(公告)日：2020-02-11
申请号：US15258098
申请日：2016-09-07
申请人： MAKITA CORPORATION
发明人： Junichi Iwakami , Hideharu Muto , Naoki Soeda , Ryosuke Otani
摘要： A grinder includes a motor, a housing, a spindle and a cover. The spindle protrudes downward from the housing, is driven by the motor, and thereby rotates. The cover at least partially covers a tool accessory mounted on the spindle. The cover includes a first cover part and a second cover part. The first cover part is fixed to the housing and at least partially covers the tool accessory from above. The second cover part is held such that it is capable of moving relative to the first cover part. The grinder is configured such that the area of the tool accessory covered by the cover changes in accordance with the relative movement.
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