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公开(公告)号：US20250030313A1
公开(公告)日：2025-01-23
申请号：US18738545
申请日：2024-06-10
Applicant: MAKITA CORPORATION
Inventor： Takayoshi IIO , Tomoyuki KUTSUNA , Takaaki KATO
Abstract: A system may include: a motor unit comprising an output member and a fixing member; a first working unit configured to be selectively fixed to the fixing member; and a second working unit configured to be selectively fixed to the fixing member. In a case where the fixing member is fixed to the first working unit, the fixing member of the motor unit may be oriented in a first direction relative to a reference plane when the first working unit and the motor unit are in a first working posture relative to the reference plane. In a case where the fixing member is fixed to the second working unit, the fixing member of the motor unit may be oriented in a second direction relative to the reference plane when the second working unit and the motor unit are in a second working posture relative to the reference plane.
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公开(公告)号：US20210360863A1
公开(公告)日：2021-11-25
申请号：US17321949
申请日：2021-05-17
Applicant: MAKITA CORPORATION
Inventor： Mikihiro KITAHARA , Tomoyuki KUTSUNA , Nozomu IWAMOTO , Tomoyuki OTA
IPC: A01G3/053
Abstract: A gardening trimmer may include: a conversion mechanism configured to convert rotational motion of a prime mover to linear motion along a first direction; a blade configured to move in reciprocating motion relative to a guide bar and including a plurality of slots; and a plurality of guide members each disposed in a corresponding slot of the plurality of slots of the blade. The plurality of slots may include: at least one first slot in which a corresponding guide member of the guide members that is connected to a housing is disposed. A combination of the slots and the guide members may include: a first combination configured to reduce frictional resistance generated by the reciprocating motion; and a second combination configured to reduce vibration generated by the reciprocating motion, and at least one combination of the at least one first slot and its corresponding guide member is the second combination.
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公开(公告)号：US20220312681A1
公开(公告)日：2022-10-06
申请号：US17706927
申请日：2022-03-29
Applicant: MAKITA CORPORATION
Inventor： Tomoyuki KUTSUNA , Mikihiro KITAHARA
Abstract: A gardening trimmer may include: a first blade; a facing member overlapping with the first blade in a second direction perpendicular to a first direction; and a suppressing structure. Grease may be applied to at least a part of a conversion mechanism. The first blade may include: a plurality of first slots; and a plurality of pairs of first connecting portions, wherein each pair of the first connecting portions is disposed at opposite ends of corresponding one of the first slots in a third direction perpendicular to the first and second directions. The suppressing structure may be configured to suppress the grease from moving toward a front end of the first blade in the first direction. The suppressing structure may be disposed on the facing member at a position facing at least one pair of in the second direction when the first blade reciprocates relative to the facing member.
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公开(公告)号：US20220174869A1
公开(公告)日：2022-06-09
申请号：US17457984
申请日：2021-12-07
Applicant: Makita Corporation
Inventor： Tomoyuki KUTSUNA
Abstract: A lawn mower may include: a blade configured to cut grass; a grass collection unit configured to collect the grass cut by the blade; and a fan configured to generate an air flow that blows the grass cut by the blade toward the grass collection unit. The grass may include heavy grass cut long by the blade and light grass cut short by the blade. Among the heavy grass and the light grass having entered the grass collection unit, the grass collection unit may be configured to collect the heavy grass and discharge the light grass out of the grass collection unit.
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公开(公告)号：US20230133010A1
公开(公告)日：2023-05-04
申请号：US17978394
申请日：2022-11-01
Applicant: MAKITA CORPORATION
Inventor： Tomoyuki KUTSUNA , Mikihiro KITAHARA
IPC: A01G3/053
Abstract: A working machine may include a pair of blades and a prime mover configured to reciprocate the pair of blades relative to each other. Each of the pair of blades may include a plurality of edge portions disposed along a reciprocating direction. Each of the plurality of edge portions of one of the pair of blades may include a slide surface configured to slide with respect to the plurality of edge portions of the other of the pair of blades as the pair of blades reciprocates relative to each other, a first edge surface connected to the slide surface and disposed at a first angle with respect to the slide surface, and a second edge surface connected to the first edge surface and disposed at a second angle with respect to the slide surface. The first angle may be greater than the second angle.
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Patent Agency Ranking
公开(公告)号：US20220212705A1
公开(公告)日：2022-07-07
申请号：US17704694
申请日：2022-03-25
Applicant: Makita Corporation
Inventor： Tomoyuki KUTSUNA , Toshihiro TOMITA , Susumu KATO , Tomonobu NASHIMOTO , Kohei OISHI
Abstract: A handcart may include a drive wheel; a prime mover configured to rotate the drive wheel; a grip portion configured to be gripped by a user; and a visibly noticeable portion that is clearly noticeable from behind the user when the user stands behind the handcart, gripping the grip portion.
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公开(公告)号：US20160230621A1
公开(公告)日：2016-08-11
申请号：US15009299
申请日：2016-01-28
Applicant: MAKITA CORPORATION
Inventor： Tomoyuki KUTSUNA , Hiroki SUGIYAMA
Abstract: A lubricating device for an engine is provided. A first opening part penetrates a first partition wall separating a crank chamber and an oil sump chamber. A second opening part penetrates a second partition wall separating the crank chamber and a valve drive chamber. In a lubricating device for an engine, when the pressure in the crank chamber is positive, gas in the crank chamber is injected into the oil sump chamber through the first opening part and impacts oil, thus generating mist oil in the oil sump chamber, and mist oil in the crank chamber passes through the second opening part and is supplied to the valve drive chamber, whereas when the pressure in the crank chamber is negative, mist oil in the oil sump chamber passes through the first opening part and is supplied to the crank chamber.
Abstract translation: 提供一种用于发动机的润滑装置。 第一开口部分穿透分离曲柄室和油底壳室的第一分隔壁。 第二开口部分穿透分离曲柄室和阀驱动室的第二分隔壁。 在发动机的润滑装置中，当曲柄室内的压力为正时，曲柄室内的气体通过第一开口部被注入到油底壳室内，从而撞击油，从而在油底壳室内产生雾油， 曲柄室中的油雾通过第二开口部并供给到阀驱动室，而当曲柄室内的压力为负时，油底壳室内的雾油通过第一开口部分，并供给到 曲柄室。
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公开(公告)号：US20250030299A1
公开(公告)日：2025-01-23
申请号：US18748290
申请日：2024-06-20
Applicant: Makita Corporation
Inventor： Takayoshi IIO , Tomoyuki KUTSUNA
Abstract: A power unit may include: a prime mover; a body housing supporting the prime mover, and an input unit configured to control the prime mover. The input unit may include: an input unit housing having an internal space and comprising a draw-in part configured to draw in the wire from outside the input unit housing into the internal space; and a fixing part configured to fix the input unit housing to the body housing. The input unit housing may be configured to be fixed to the body housing selectively in any arrangement among at least two arrangements.
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公开(公告)号：US20230405621A1
公开(公告)日：2023-12-21
申请号：US18336236
申请日：2023-06-16
Applicant: MAKITA CORPORATION
Inventor： Tomoyuki KUTSUNA , Natsuki TANIMOTO , Ryoji ZAMA , Yuki KOIDE
IPC: B05B7/24
CPC classification number: B05B7/2424 , B05B7/2475 , B05B7/2408
Abstract: A mist blower may include: a liquid nozzle configured to inject liquid stored in a liquid tank into an ejection tube. The liquid nozzle may include: an end surface disposed on a distal end of the liquid nozzle, an ejection opening being defined in the end surface; a side surface constituting at least a part of an outer shape of the liquid nozzle; and a corner part connecting the end surface and the side surface and constituting a corner of the liquid nozzle. At the corner part, a virtual end surface defined by extending the end surface and a virtual side surface defined by extending the side surface may intersect at a first point. Each of a distance from the first point to the end surface and a distance from the first point to the side surface may be equal to or less than 0.3 mm.
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公开(公告)号：US20160075007A1
公开(公告)日：2016-03-17
申请号：US14784797
申请日：2014-04-16
Applicant: MAKITA CORPORATION
Inventor： Tomoyuki KUTSUNA , Ryo SUNAZUKA , Yoshitaka MACHIDA , Masahiro ITO
CPC classification number: B25D17/043 , B25D17/24 , B25D2222/57 , B25F5/006 , B25F5/02 , B25F5/026
Abstract: To provide a handle that is effective at achieving both vibration resistance and usability. A handle attached to a tool body of a power tool has: a grip portion; a connecting portion that connects to the tool body; elastic element interposing regions that are formed between the grip portion and the connecting portion; elastic elements disposed in the elastic element interposing regions; a powder filling region formed between the grip portion and connecting portion; and a plurality of powder bodies that fill the powder filling region.
Abstract translation: 提供有效实现抗振动性和可用性的手柄。 附接到电动工具的工具主体的把手具有：把手部分; 连接部，其连接到所述工具主体; 形成在握持部和连接部之间的弹性元件插入区域; 设置在弹性元件插入区域中的弹性元件; 形成在所述把手部和连接部之间的粉末填充区域; 以及填充粉末填充区域的多个粉末体。
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