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公开(公告)号：US11529727B2
公开(公告)日：2022-12-20
申请号：US17072484
申请日：2020-10-16
申请人： MAKITA CORPORATION
摘要： A power tool, such as a rotary hammer, includes a housing, an output shaft for mounting a tool accessary and a motor having a motor shaft that generates a rotational output for rotating and linearly hammering the output shaft. The rotational output of the motor shaft is coupled to the output shaft via a driving mechanism that includes a hammer mechanism. An intervening member is axially movable relative to the motor shaft and is operably coupled between the motor shaft and the hammer mechanism. The hammer mechanism and the output shaft are supported by a movable support that is axially movable relative to the housing. Because the output shaft and the driving mechanism are movable relative to the motor and the housing, which preferably includes handle, via the intervening member and the movable support during hammering operations, vibration generated during hammering operations can be dampened before reaching the housing.
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公开(公告)号：US10780564B2
公开(公告)日：2020-09-22
申请号：US15724503
申请日：2017-10-04
申请人： MAKITA CORPORATION
发明人： Hitoshi Iida , Masanori Furusawa , Kei Watanabe
摘要： 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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公开(公告)号：US10688644B2
公开(公告)日：2020-06-23
申请号：US15801731
申请日：2017-11-02
申请人： MAKITA CORPORATION
摘要： A power tool includes a motor, a housing, a battery mounting part, and a battery protection part. The battery mounting part is provided to the housing on an opposite side from a working axis across the motor in an extending direction of a rotation axis of the motor. The battery mounting part is configured such that one end portion of at least one battery is mounted to the battery mounting part and an opposite end portion of the at least one battery in the extending direction of the rotation axis is exposed from the housing. The battery protection part is provided to an outer surface portion of the housing and configured to protect at least one corner region of the opposite end portion of the at least one battery against external force when the one end portion is mounted to the battery mounting part.
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公开(公告)号：US11813710B2
公开(公告)日：2023-11-14
申请号：US17734604
申请日：2022-05-02
申请人： MAKITA CORPORATION
发明人： Hitoshi Iida , Masanori Furusawa , Kei Watanabe
CPC分类号： B23Q11/0046 , A47L7/0095 , A47L9/242 , A47L9/248 , B23Q11/0071 , B25D17/20 , B25D2217/0065
摘要： A dust collection system for a power tool can collect, with an ordinary bit, dust with a flexible hose connected. A dust collection system for a power tool includes a power tool to receive a tip tool protruding frontward and including a tool body, a cylindrical first dust collection attachment attachable to the tool body and covering the tip tool over its entire circumference with the first dust collection attachment being attached, a second dust collection attachment attachable to the tool body and including a dust collector, and a flexible hose to connect the first dust collection attachment and the second dust collection attachment to collect dust sucked through the first dust collection attachment into the dust collector included in the second dust collection attachment.
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公开(公告)号：USD838157S1
公开(公告)日：2019-01-15
申请号：US29605018
申请日：2017-05-23
申请人： MAKITA CORPORATION
设计人： Wataru Suzuki , Hitoshi Iida
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公开(公告)号：US20180250802A1
公开(公告)日：2018-09-06
申请号：US15909366
申请日：2018-03-01
申请人： MAKITA CORPORATION
发明人： Hitoshi Iida , Masanori Furusawa , Kei Watanabe
IPC分类号： B25D16/00
CPC分类号： B25D16/006 , B25D2216/0015 , B25D2216/0023 , B25D2216/0069 , B25D2216/0084 , B25D2250/261
摘要： A work tool, in which any one of a plurality of operation modes is selectable and which is configured to operate according to the selected operation mode, includes a switch for driving a tool accessory, an operation member, a mode switching member and a movement restricting mechanism. The operation member is configured to be held in an off-position in a non-pressed state and configured to move to an on-position in response to an external pressing operation. The mode switching member is configured to be switched between a plurality of switching positions in response to an external operation, the switching positions respectively corresponding to the operation modes. The movement restricting mechanism is configured to restrict a movement of the operation member from the off-position to the on-position in interlock with a switching operation of the mode switching member.
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公开(公告)号：US11794324B2
公开(公告)日：2023-10-24
申请号：US16830375
申请日：2020-03-26
申请人： MAKITA CORPORATION
CPC分类号： B25D11/005 , B23Q11/0046 , B23Q11/0071 , B25D16/00 , B25D17/20 , B25D2216/0023 , B25D2217/0057 , B25D2250/095 , B25D2250/221
摘要： A dust collecting system includes a power tool and a dust collector. The power tool includes at least one battery-mounting part, a first motor, a driving mechanism and a body housing. The at least one battery-mounting part is each configured to removably receive a battery. The first motor is configured to operate with electric power supplied from the battery. The driving mechanism is configured to drive the tool accessory by power of the first motor. The body housing houses the first motor and the driving mechanism. The dust collecting system includes a control device configured to control operation of at least one of the power tool and the dust collector according to a state of the whole dust collecting system.
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公开(公告)号：US11780070B2
公开(公告)日：2023-10-10
申请号：US17588810
申请日：2022-01-31
申请人： MAKITA CORPORATION
发明人： Yoshitaka Machida , Hitoshi Iida , Taro Hisano
CPC分类号： B25F5/001 , B25D16/003 , B25D2250/165
摘要： An electric power tool includes a motor, a driving side member, and a driven side member. The driving side member and the driven side member have mutually opposed surfaces. A plurality of cam teeth are respectively disposed on concentric circles on the opposed surfaces. The plurality of cam teeth have meshing surfaces inclined at predetermined lead angles. A torque limiter is formed to disengage the engagement of the meshing surfaces of the cam teeth by moving the one member in a separation direction from the other member when load of the driven side member increases. The respective cam teeth are formed such that the lead angles of the meshing surfaces are different between a forward rotation side and a reverse rotation side. A transmission torque transmitted from the driving side member to the driven side member is equal between the forward rotation and the reverse rotation.
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公开(公告)号：US11780069B2
公开(公告)日：2023-10-10
申请号：US16831343
申请日：2020-03-26
申请人： MAKITA CORPORATION
发明人： Hitoshi Iida , Yoshiro Tada , Hideki Tsuji , Taro Hisano
CPC分类号： B25D17/20 , B23Q11/0046 , B23Q11/0071 , B25F5/00 , B23Q2705/06 , B25D2217/0057
摘要： A dust collecting system includes a power tool and a dust collector. The power tool is configured to perform processing operation on a workpiece by driving a tool accessory. The dust collector is configured to collect dust generated by the processing operation. The power tool includes a first motor and a driving mechanism configured to drive the tool accessory by power of the first motor. The dust collector includes a second motor and a fan configured to be rotationally driven by the second motor to generate air flow for collecting dust. The dust collecting system includes a first control device configured to control a rotation speed of the second motor according to a driving state of the power tool.
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公开(公告)号：US09724814B2
公开(公告)日：2017-08-08
申请号：US14374508
申请日：2012-12-07
申请人： MAKITA CORPORATION
CPC分类号： B25D11/06 , B25D11/00 , B25D11/062 , B25D16/00 , B25D17/24 , B25D2211/003 , B25D2211/006 , B25D2217/0092 , B25D2250/095
摘要： An impact tool performs a processing operation on a workpiece by carrying out an impact operation on a tool bit in a longitudinal axis direction. The impact tool includes a motor having a rotor and a stator, a tool main body housing the motor, a drive shaft parallel to a longitudinal axis of the tool bit and rotatably driven by the motor, and an oscillating member that is supported by the drive shaft and that carries out an oscillating movement in the axial direction of the drive shaft based on the rotational motion of the drive shaft. A tool drive mechanism is coupled to the oscillating member so that the oscillating movement of the oscillating member linearly moves the tool bit in the longitudinal axis direction. The motor is an outer rotor motor in which the rotor is disposed on an radially outer side of the stator.
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