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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
Applicant: MAKITA CORPORATION
Inventor： Junichi Iwakami , Hideharu Muto , Ryosuke Otani
Abstract: 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：US11014214B2
公开(公告)日：2021-05-25
申请号：US16330035
申请日：2017-08-25
Applicant: MAKITA CORPORATION
Inventor： Yoshinori Shibata , Ryo Imuta , Hideharu Muto
Abstract: A working machine includes: an output shaft to which a tip tool is attachable; a housing rotatably supporting the output shaft; and a protection cover attached to the housing so as to cover an outer periphery of the tip tool which is attached to the output shaft. The protection cover is configured to be displaceable between a processing position to expose a part of the outer periphery of the tip tool to thereby allow cutting of a workpiece, and a protecting position to cover the outer periphery of the tip tool more than in the processing position, and is biased by a biasing member to be displaced from the processing position to the protecting position.
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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：US11484986B2
公开(公告)日：2022-11-01
申请号：US16468508
申请日：2017-11-20
Applicant: MAKITA CORPORATION
Inventor： Junichi Iwakami , Hideharu Muto , Ryosuke Otani
Abstract: 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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Patent Agency Ranking
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：US10556319B2
公开(公告)日：2020-02-11
申请号：US15258098
申请日：2016-09-07
Applicant: MAKITA CORPORATION
Inventor： Junichi Iwakami , Hideharu Muto , Naoki Soeda , Ryosuke Otani
Abstract: 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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公开(公告)号：US11717938B2
公开(公告)日：2023-08-08
申请号：US16270037
申请日：2019-02-07
Applicant: MAKITA CORPORATION
Inventor： Shin Nakamura , Hideharu Muto , Kenichi Tabushi
CPC classification number: B24B55/052 , B24B23/022 , B24B23/028 , B24B47/12
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 tool holder projecting from the housing; a cover covering at least a part of a tool attached to the tool holder; and a mask member. The cover may include an engaging portion that engages with the housing. The mask member may have a shape that blocks visibility of at least a part of the engaging portion.
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公开(公告)号：US11571802B2
公开(公告)日：2023-02-07
申请号：US16756826
申请日：2018-11-08
Applicant: MAKITA CORPORATION
Inventor： Fumitoshi Numata , Hideharu Muto , Yasushi Ogura , Kenichi Tabushi
Abstract: A metal wire may be provided inside a hanger portion extending with an annular shape and which is integrally formed with an outer casing. An electric power tool may be prevented from falling, etc. due to deformation or breakage of the hanger portion by being reinforced by the wire.
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公开(公告)号：US20190262972A1
公开(公告)日：2019-08-29
申请号：US16270037
申请日：2019-02-07
Applicant: Makita Corporation
Inventor： Shin NAKAMURA , Hideharu Muto , Kenichi Tabushi
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 tool holder projecting from the housing; a cover covering at least a part of a tool attached to the tool holder; and a mask member. The cover may include an engaging portion that engages with the housing. The mask member may have a shape that blocks visibility of at least a part of the engaging portion.
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