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公开(公告)号：US11364545B2
公开(公告)日：2022-06-21
申请号：US17122500
申请日：2020-12-15
Applicant: MAKITA CORPORATION
Inventor： Yonosuke Aoki
Abstract: A power tool includes a housing (10), a spindle (4) supported in the housing to be pivotable or rotatable about a driving axis, a clamping shaft (60) that is selectively movable in the up-down direction relative to the spindle, a biasing member (70), a release member (71) and an actuating member (50). The release member is selectively movable in the up-down direction relative to the spindle and is configured to selectively interrupt transmission of upward biasing force from the biasing member to the clamping shaft. The release member is also configured to be locked to the spindle in a locked position while transmission of the biasing force is being interrupted. The actuating member is movable upward in the up-down direction relative to the spindle in response to being pressed upward by a clamping part (64) or by a tool accessory (91) to thereby unlock the release member from the spindle.
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公开(公告)号：US11183857B2
公开(公告)日：2021-11-23
申请号：US16711743
申请日：2019-12-12
Applicant: MAKITA CORPORATION
Inventor： Yonosuke Aoki , Tatsuki Mori
Abstract: A battery pack in one aspect of the present disclosure includes a first battery block, a second battery block, and a terminal portion. The terminal portion is configured to output a parallel voltage of the battery block and the second battery block connected in parallel in response to a state where a first electric working machine is connected to the terminal portion. The terminal portion is configured to output a first voltage of the first battery block and a second voltage of the second battery block individually in response to a state where a second electric working machine is connected to the terminal portion.
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公开(公告)号：US10058926B2
公开(公告)日：2018-08-28
申请号：US15012138
申请日：2016-02-01
Applicant: MAKITA CORPORATION
Inventor： Yonosuke Aoki
CPC classification number: B23B31/10 , B24B23/022 , B24B23/04 , B24B45/006 , B25F5/00 , B25F5/006 , B27B5/30 , Y10T279/33
Abstract: It is an object of the invention to provide a technique for realizing rational arrangement of components considering arrangement of a tool accessory mounting mechanism in a power tool. A representative electric vibration tool 100 is provided which mainly includes a body housing 101, an inner housing 110, a driving motor 115 and a spindle 124. A blade 145 as a tool accessory is held between the spindle 124 and a clamp shaft 127 and driven by the driving motor 115. A rotation axis of the driving motor 115 and the spindle 124 are arranged in parallel to each other. A clamp shaft 127 is held by a clamp member 131 of a clamp shaft holding mechanism 130. The clamp member 131 is arranged within the body housing 101.
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公开(公告)号：US10857660B2
公开(公告)日：2020-12-08
申请号：US16193860
申请日：2018-11-16
Applicant: MAKITA CORPORATION
Inventor： Yonosuke Aoki
Abstract: A power tool includes a motor having an output shaft rotatable around a first axis, a spindle rotatably supported around a second axis, a transmitting mechanism configured to reciprocally rotate the spindle within a specified angle range around the second axis, an elongate support body supporting the motor, the spindle and the transmitting mechanism, an elongate housing that houses the support body, and a first elastic member interposed between the housing and a first end part of the support body and connecting the housing and the support body so as to be movable relative to each other. The spindle is supported in the first end part such that the second axis crosses the direction of a longitudinal axis of the support body. The support body has a weight provided to increase an inertia moment of the support body around the second axis.
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公开(公告)号：US10576615B2
公开(公告)日：2020-03-03
申请号：US15935548
申请日：2018-03-26
Applicant: MAKITA CORPORATION
Inventor： Yonosuke Aoki
Abstract: A work tool includes an elongate outer housing, an elongate inner housing, a motor, a spindle, and a transmitting mechanism. The inner housing includes a first end part, a second end part, an extending part and an elastic connection part. The motor, the spindle and the transmitting mechanism are disposed in the first end part of the inner housing. The first end part is connected to the outer housing via a first elastic member. The second end part includes a power-source-related device configured to enable power supply from a power source to the motor. The elastic connection part includes second elastic members connecting the extending part and the second end part. The second elastic members are spaced apart from each other in a circumferential direction around the longitudinal direction.
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Patent Agency Ranking
公开(公告)号：US10350721B2
公开(公告)日：2019-07-16
申请号：US15316314
申请日：2015-06-02
Applicant: MAKITA CORPORATION
Inventor： Yonosuke Aoki
Abstract: An electric oscillating tool has an electric motor having an output shaft, an eccentric shaft that is connected to one end region of the output shaft, and a weight that is connected to the other end region of the output shaft. A blade as a tool accessory is driven to reciprocally rotate around a spindle by reciprocating motion of the eccentric shaft in a transverse direction of the electric oscillating tool. The weight is driven to cancel out the inertial force of the eccentric shaft, so that the output shaft is stably rotated.
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公开(公告)号：US10226859B2
公开(公告)日：2019-03-12
申请号：US15012015
申请日：2016-02-01
Applicant: MAKITA CORPORATION
Inventor： Yonosuke Aoki
Abstract: It is an object of the invention to provide a technique for increasing the degree of freedom in designing a grip part in order to improve operability of a power tool. A representative electric vibration tool 100 is provided which mainly includes a body housing 101, an inner housing 110, a driving motor 115 and a spindle 124. A blade 145 as a tool accessory is held between the spindle 124 and a clamp shaft 127 and driven by the driving motor 115. The driving motor 115 and the spindle 124 are housed within the inner housing 110. The inner housing 110 is housed within a front region of the body housing 101. A grip part 107 is arranged behind the front region of the body housing 101.
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公开(公告)号：US10099341B2
公开(公告)日：2018-10-16
申请号：US15237050
申请日：2016-08-15
Applicant: MAKITA CORPORATION
Inventor： Yonosuke Aoki
Abstract: A representative power tool has a spindle transmitting a motor driving force to a tool accessory, a tool accessory holding member movable between a holding position and a tool accessory releasing position, a lock mechanism movable between an engaging position for locking the tool accessory holding member in the holding position and a disengaging position for releasing the lock, an inner housing housed in a body housing and houses at least part of the lock mechanism, and an operation mechanism. The operation mechanism includes a handle part, a switching part that switches the lock mechanism between the engaging position and the disengaging position according to the handle part operation, and a switching connection part that is separated from the inner housing when the lock mechanism is placed in the engaging position and comes into contact with the inner housing when the lock mechanism is placed in the disengaging position.
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公开(公告)号：US12290867B2
公开(公告)日：2025-05-06
申请号：US18101245
申请日：2023-01-25
Applicant: MAKITA CORPORATION
Inventor： Yonosuke Aoki
Abstract: A power tool includes a spindle, a motor, an inner housing and an outer housing elastically connected to the inner housing. The inner housing is formed by a first inner housing portion formed of metal connected to a second inner housing portion formed of synthetic polymer. The first inner housing portion includes a housing part disposed in a front part of the outer housing, and a first extending part extending rearward from the housing part and disposed in a grip part of the outer housing. The second inner housing portion includes a second extending part that has a tubular shape and at least partially surrounds the first extending part, and a rear end part connected to the second extending part and disposed in a rear part of the outer housing. The first extending part extends rearward of a center of the second extending part in the front-rear direction.
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公开(公告)号：US11660690B2
公开(公告)日：2023-05-30
申请号：US16953733
申请日：2020-11-20
Applicant: MAKITA CORPORATION
Inventor： Yonosuke Aoki
CPC classification number: B23D61/006 , B24B23/04 , B26D2001/004 , B26D2001/006
Abstract: A power tool includes a housing, a spindle, a clamp shaft, a first biasing member, an engagement member, a first holding member, a manually operable member and a push-down member. The first biasing member biases the clamp shaft upward. The first holding member holds the engagement member to be movable between a first position and a second position in the up-down direction relative to the first holding member. The manually operable member moves a first one of the engagement member and the first holding member downward in response to a manual unclamping operation. The engagement member moves from the first position to the second position to be movable in the radial direction in response to the manual unclamping operation. The first one of the engagement member and the first holding member pushes down a tool accessory via the push-down member while the first one is moving downward.
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