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公开(公告)号：US20180236572A1
公开(公告)日：2018-08-23
申请号：US15897435
申请日：2018-02-15
Applicant: MAKITA CORPORATION
Inventor： Tomohiro UKAI
CPC classification number: B23D51/16 , B23D49/167 , B25F5/02
Abstract: A reciprocating saw includes a motor having a rotor that is rotatable relative to a stator. A rotary shaft is fixedly connected to, and rotatably driven by the rotor. The rotary shaft has a rotational axis. A reciprocating-motion converting mechanism is driven by rotation of the rotary shaft, and a slider is reciprocally moved in a first direction by the reciprocating-motion converting mechanism. The rotational axis of the motor and the first direction form an angle of 45-135°.
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公开(公告)号：US20180021866A1
公开(公告)日：2018-01-25
申请号：US15700945
申请日：2017-09-11
Applicant: MAKITA CORPORATION
Inventor： Tomohiro UKAI , Takayuki TAHARA , Taisuke UKAI , Yudai SUGINO
CPC classification number: B23D49/16 , B23D49/162 , B23D51/00 , B23D51/10 , B25F5/02
Abstract: A motor housing of housings forming an outer casing of a tool main body is provided with two battery attachment portions allowing attachment of rechargeable batteries. The two battery attachment portions are configured as slide attachment type battery attachment portions. The two battery attachment portions are suited to slide attachment type rechargeable batteries that are attached through sliding. The two rechargeable batteries are attached in the right-left direction of the tool main body so that the two rechargeable batteries can be arranged side by side in the direction in which the tool main body extends.
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公开(公告)号：US20150375315A1
公开(公告)日：2015-12-31
申请号：US14764668
申请日：2013-12-26
Applicant: MAKITA CORPORATION
Inventor： Tomohiro UKAI , Takayuki TAHARA , Taisuke UKAI , Yudai SUGINO
CPC classification number: B23D49/16 , B23D49/162 , B23D51/00 , B23D51/10 , B25F5/02
Abstract: A motor housing of housings forming an outer casing of a tool main body is provided with two battery attachment portions allowing attachment of rechargeable batteries. The two battery attachment portions are configured as slide attachment type battery attachment portions. The two battery attachment portions are suited to slide attachment type rechargeable batteries that are attached through sliding. The two rechargeable batteries are attached in the right-left direction of the tool main body so that the two rechargeable batteries can be arranged side by side in the direction in which the tool main body extends.
Abstract translation: 形成工具主体的外壳的壳体的电动机壳体设置有两个电池安装部分，其允许可再充电电池的附接。 两个电池安装部分被配置为滑动附接型电池安装部。 两个电池安装部分适于滑动通过滑动附接的附接型可再充电电池。 两个可再充电电池沿着工具主体的左右方向安装，使得两个可再充电电池可以沿着工具主体延伸的方向并排布置。
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公开(公告)号：US20250091145A1
公开(公告)日：2025-03-20
申请号：US18829892
申请日：2024-09-10
Applicant: MAKITA CORPORATION
Inventor： Tomohiro UKAI
Abstract: A blade for a reciprocating saw includes: an elongated body having one end that is detachably attachable to the reciprocating saw; and at least one hard tip having a greater hardness than the body and being bonded to the body. The body includes a cutting edge part having a plurality of teeth arranged along the length direction and a back part extending along the length direction on the side opposite to the cutting edge part in a width direction. The cutting edge part includes at least one curved part. The curved part(s) is (are each) configured so that a cutting edge line, which is a line connecting the tips of a plurality of teeth disposed along the curved part(s), curves in a concave manner toward the back part. The at least one hard tip is bonded to at least one of the plurality of teeth.
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公开(公告)号：US20240405637A1
公开(公告)日：2024-12-05
申请号：US18804572
申请日：2024-08-14
Applicant: MAKITA CORPORATION
Inventor： Ryosuke HARA , Tomohiro UKAI
IPC: H02K7/14 , B23B45/00 , B23B45/02 , B23D49/16 , B26D5/14 , F16H21/18 , H02K5/04 , H02K5/20 , H02K7/04 , H02K7/075 , H02K9/02 , H02K9/06
Abstract: A reciprocating tool includes a motor, a reciprocating member, and a crank mechanism. The motor is disposed in a housing. The reciprocating member projects from the housing. The crank mechanism converts rotation of a rotation shaft of the motor into reciprocation of the reciprocating member. The crank mechanism rotates around an axis in a lateral direction by rotation transmission from the rotation shaft, and the crank mechanism includes a crank member having an eccentric pin, a connecting rod coupling the eccentric pin to the reciprocating member, and a balancer coupled to the eccentric pin, and the balancer is supported by the eccentric pin alone in the housing.
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Patent Agency Ranking
公开(公告)号：US20240048027A1
公开(公告)日：2024-02-08
申请号：US18380765
申请日：2023-10-17
Applicant: MAKITA CORPORATION
Inventor： Ryosuke HARA , Tomohiro UKAI
IPC: H02K7/14 , B23D49/16 , H02K7/075 , H02K7/04 , B26D5/14 , F16H21/18 , H02K9/06 , B23B45/00 , B23B45/02
CPC classification number: H02K7/145 , B23D49/16 , H02K7/075 , H02K7/04 , B26D5/14 , F16H21/18 , H02K9/06 , B23B45/001 , B23B45/02 , H02K5/207
Abstract: A reciprocating tool includes a motor, a reciprocating member, and a crank mechanism. The motor is disposed in a housing. The reciprocating member projects from the housing. The crank mechanism converts rotation of a rotation shaft of the motor into reciprocation of the reciprocating member. The crank mechanism rotates around an axis in a lateral direction by rotation transmission from the rotation shaft, and the crank mechanism includes a crank member having an eccentric pin, a connecting rod coupling the eccentric pin to the reciprocating member, and a balancer coupled to the eccentric pin, and the balancer is supported by the eccentric pin alone in the housing.
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公开(公告)号：US20230027158A1
公开(公告)日：2023-01-26
申请号：US17856282
申请日：2022-07-01
Applicant: MAKITA CORPORATION
Inventor： Tomohiro UKAI , Yuki MIWA
IPC: B23D51/16
Abstract: A reciprocating cutting tool reduces deteriorating movement of an operating drum due to entry of chips between the operating drum and a housing. A reciprocating cutting tool includes a motor, a slider being rod-like and extending in a front-rear direction, a reciprocation converter that converts rotation of the motor to reciprocation in the front-rear direction and transmits the reciprocation to the slider, a power transmission housing accommodating the reciprocation converter, a tip tool holder at a front end of the slider to detachably receive a tip tool, and an operating drum operable to attach or detach the tip tool with the tip tool holder through rotation. The operating drum is rotatably held on the power transmission housing with one or more ring members.
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公开(公告)号：US20200282482A1
公开(公告)日：2020-09-10
申请号：US16787503
申请日：2020-02-11
Applicant: MAKITA CORPORATION
Inventor： Yosuke NAOI , Akihito HARA , Yasushi OGURA , Wei YANG , Pengfei YANG , Hao Wei MEI , Tomohiro UKAI
Abstract: A reciprocating tool easily supplies a lubricant, such as grease (lubricating oil), to a mechanism for reciprocating a slider, and prevents a lack of lubricant. A reciprocating saw as a reciprocating tool includes a motor, a reciprocating conversion mechanism that converts rotation of the motor to reciprocation, a slider connected to the reciprocating conversion mechanism and being reciprocable, and a slider guide that supports the slider in a reciprocable manner and includes a lubricant-passage member in contact with the slider to allow passage of at least part of a lubricant through the lubricant-passage member, and a lubricant reservoir located adjacent to the lubricant-passage member to store the lubricant.
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公开(公告)号：US20160303668A1
公开(公告)日：2016-10-20
申请号：US15045692
申请日：2016-02-17
Applicant: MAKITA CORPORATION
Inventor： Yudai SUGINO , Tomohiro UKAI
CPC classification number: B23D49/162 , B23D51/16
Abstract: A reciprocating tool includes a motor, a crank, a connecting rod, a rod, a tool bit, and a counter weight. The tool bit is mounted such that the action portion is positioned on a side opposite to a side with the rod central axis or the extended line of the rod central axis viewing from the rotational center of the crank. The first eccentric shaft and the second eccentric shaft are disposed such that at a position where the first eccentric shaft causes the rod to reach TDC, the second eccentric shaft causes the counter weight to reach BDC or a point before the BDC, and at a position where the first eccentric shaft causes the rod to reach the BDC, the second eccentric shaft causes the counter weight to reach a point before the TDC.
Abstract translation: 往复式工具包括马达，曲柄，连杆，杆，工具钻头和配重。 工具钻头被安装成使得动作部分位于与杆中心轴线相对的一侧上，或杆中心轴线的延伸线从曲柄的旋转中心观察。 所述第一偏心轴和所述第二偏心轴配置成使得在所述第一偏心轴使所述杆达到TDC的位置处，所述第二偏心轴使所述配重达到BDC或BDC之前的位置， 其中第一偏心轴使杆抵达BDC，第二偏心轴使得重量达到TDC之前的一点。
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公开(公告)号：US20160294254A1
公开(公告)日：2016-10-06
申请号：US15045609
申请日：2016-02-17
Applicant: MAKITA CORPORATION
Inventor： Ryosuke HARA , Tomohiro UKAI
CPC classification number: H02K7/145 , B23D49/16 , B26D5/14 , F16H21/18 , H02K7/04 , H02K7/075 , H02K9/06
Abstract: A reciprocating tool includes a motor, a reciprocating member, and a crank mechanism. The motor is disposed in a housing. The reciprocating member projects from the housing. The crank mechanism converts rotation of a rotation shaft of the motor into reciprocation of the reciprocating member. The crank mechanism rotates around an axis ma lateral direction by rotation transmission from the rotation, shaft, and the crank, mechanism includes a crank member having an eccentric pin, a connecting rod coupling the eccentric pin to the reciprocating member, and a balancer coupled to the eccentric pin, and the balancer is supported by the eccentric pin alone in the housing.
Abstract translation: 往复式工具包括马达，往复运动件和曲柄机构。 马达设置在外壳中。 往复运动件从壳体突出。 曲柄机构将电动机的旋转轴的旋转转换成往复运动构件的往复运动。 曲柄机构通过从旋转轴和曲柄的旋转传递而围绕轴线方向旋转，机构包括具有偏心销的曲柄构件，将偏心销连接到往复运动构件的连接杆，以及连接到 偏心销和平衡器仅由外壳中的偏心销支撑。
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