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公开(公告)号：US20190113340A1
公开(公告)日：2019-04-18
申请号：US16217712
申请日：2018-12-12
Applicant: MAKITA CORPORATION
Inventor： Goshi ISHIKAWA , Yuki KAWAI , Kazuki OGUCHI , Shinji HIRABAYASHI , Shinsuke OKUDA
IPC: G01C15/00
Abstract: A laser marker in one aspect of embodiments of the present disclosure comprises a laser light generator, a main body, and a pack attachment portion. The pack attachment portion is configured such that a battery pack, which is chargeable and dischargeable and supplies electric power to the laser light generator, is slidably attached to an outer surface of the main body.
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公开(公告)号：US20190111582A1
公开(公告)日：2019-04-18
申请号：US16157387
申请日：2018-10-11
Applicant: MAKITA CORPORATION
Inventor： Daisuke SUZUKI , Takuma NIIYAMA
Abstract: A chain saw disclosed herein may include a motor configured to rotate a saw chain about a guide bar, a control unit configured to control a voltage applied to the motor, a body housing that houses the motor and the control unit, a battery detachably attached to the body housing, and a top handle provided above the body housing. The control unit may be disposed above the battery. In a rear view of the chain saw in a state where the chain saw is placed on a mount surface, the battery and the control unit may not overlap. In a top view of the chain saw in the state where the chain saw is placed on the mount surface, the battery and the control unit may overlap at least partially.
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公开(公告)号：US20190111550A1
公开(公告)日：2019-04-18
申请号：US16157475
申请日：2018-10-11
Applicant: MAKITA CORPORATION
Inventor： Itsuku KATO , Akira TOMONAGA , Katsuna HAYASHI , Tokuo HIRABAYASHI , Tomoyuki KONDO
Abstract: An electric working machine in one aspect of the present disclosure includes: a motor; a controller for controlling driving of the motor; a first setter; and a second setter. The first setter is operated for setting, as a control method for the motor, which is usable by the controller, one of control methods preliminarily registered. The second setter is operated for setting, as a control method for the motor, which is usable by the controller, at least one of the control methods settable via the first setter.
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公开(公告)号：US10259060B2
公开(公告)日：2019-04-16
申请号：US15045692
申请日：2016-02-17
Applicant: MAKITA CORPORATION
Inventor： Yudai Sugino , Tomohiro Ukai
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 top dead center (TDC), the second eccentric shaft causes the counter weight to reach bottom dead center (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.
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公开(公告)号：US10249918B2
公开(公告)日：2019-04-02
申请号：US14589311
申请日：2015-01-05
Applicant: MAKITA CORPORATION
Inventor： Akira Naito
Abstract: A battery pack includes a case, a battery device, an intervening member and a temperature detection device. The battery device may be disposed within the case and include a cell holder configured to accommodate a plurality of battery cells. The intervening member may be provided between the cell holder and at least one of the plurality of cell holder. The temperature detection device may be disposed between the intervening member and at least one of the plurality of cell holder, so that the temperature detection device directly contacts at least one of the battery cells for detecting a temperature thereof. At least one of the cell holder and the intervening member may have an elasticity, so that the temperature detection device may be directly pressed against at least one of the battery cells due to an elastic deformation of the least one of the cell holder and the intervening member.
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Patent Agency Ranking
公开(公告)号：US10245711B2
公开(公告)日：2019-04-02
申请号：US15347090
申请日：2016-11-09
Applicant: MAKITA CORPORATION
Inventor： Hidenori Nagasaka
Abstract: An electric power tool includes a housing, a motor, a deceleration mechanism, a final output shaft, a vibration mechanism, a vibration switching member, a stop member, and an expansion prevention portion. The vibration mechanism provides a vibration in an axial direction to the final output shaft. The vibration switching member is accommodated in a slit axially disposed on a front end of a tubular portion and moved back and forth in the slit by an operation from outside to switch on and off actuation of the vibration mechanism. The stop member is installed on the front end of the tubular portion to cover the slit. The expansion prevention portion is disposed on the stop member and is brought in contact with an outer periphery of the front end of the tubular portion to prevent the front end of the tubular portion from expanding,
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公开(公告)号：US20190084107A1
公开(公告)日：2019-03-21
申请号：US16131525
申请日：2018-09-14
Applicant: MAKITA CORPORATION
Inventor： Michisada YABUGUCHI
Abstract: A rotary tool or machine includes: an output shaft; a motor that rotates the output shaft; an operation part for commanding driving/stopping of the motor; and a control unit that controls the driving/stopping of the motor in accordance with commands from the operation part. The control unit is configured to generate a braking force in the motor or on the output shaft when the motor is to be stopped in proportion to a tightening force (torque) applied to the tool accessory when the motor is started up, such that the greater the tightening force (torque), the greater the braking force.
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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：US10220457B2
公开(公告)日：2019-03-05
申请号：US15386070
申请日：2016-12-21
Applicant: MAKITA CORPORATION
Inventor： Sho Kume , Hirotomo Inayoshi , Yan Shi
Abstract: A cutting device may include a main body supported on the upper side of a base. The main body includes a rotary blade and a fixed cover partially covering the rotary blade. A handle is attached to the fixed cover and extends rearward therefrom.
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公开(公告)号：US20190059674A1
公开(公告)日：2019-02-28
申请号：US16103208
申请日：2018-08-14
Applicant: MAKITA CORPORATION
Inventor： Kentaro KOURA
IPC: A47L9/28
Abstract: A robotic dust collector includes a body, a wheel, a wheel motor, and a suspension device. The body accommodates a storage unit to store therein dust and dirt sucked in from a suction inlet. The wheel supports the body. The wheel motor generates motive power to rotate the wheel. The suspension device includes a support member, a motive-force generating mechanism, and an adjustment mechanism. The wheel is supported rotatably about a center axis by the support member. The motive-force generating mechanism gives a motive force to the support member to generate a biasing force to cause the wheel to protrude from a bottom face of the body. The adjustment mechanism adjusts the biasing force based on a protrusion amount of the wheel from the bottom face. The suspension device gives the biasing force adjusted by the adjustment mechanism to the wheel.
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