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公开(公告)号：US10232498B2
公开(公告)日：2019-03-19
申请号：US14951498
申请日：2015-11-25
发明人： Masashi Nishida , Yoshimitsu Iijima , Masaya Nagao
摘要： A driving machine is provided to prevent clogging of a fastener in an ejection passage without increasing the total length of the ejection passage. A nail driving machine includes: a nose part forming an upper portion of an ejection passage through which a nail passes; a contact part being slidable along the nose part and forming a lower portion of the ejection passage; a driver blade striking a head part of the nail supplied to the ejection passage; and a guide part disposed in a lower portion of the nose part and guiding the nail passing through the ejection passage. The guide part has a guide surface inclining to protrude from a radial outer side toward a radial inner side of the ejection passage. A housing groove is formed in the contact part and the guide part enters the housing groove when the contact part slides along the nose part.
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公开(公告)号：US10199844B2
公开(公告)日：2019-02-05
申请号：US14654899
申请日：2013-12-25
发明人： Yuki Horie , Yasushi Nakano , Kazuhiko Funabashi
IPC分类号： H02J7/00
摘要： A power-supplying device includes a terminal, a rechargeable battery, a first shutdown circuit, and a second shutdown circuit. The terminal is configured to be connected to a power tool. The rechargeable battery is configured to output electrical power to the power tool via the terminal. The first shutdown circuit is positioned at a plus side of the rechargeable battery, the first shutdown circuit being configured to shutdown output of the rechargeable battery. The second shutdown circuit is positioned at a minus side of the rechargeable battery. The second shutdown circuit is configured to shutdown output of the rechargeable battery.
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公开(公告)号：US10195728B2
公开(公告)日：2019-02-05
申请号：US14908968
申请日：2014-06-27
发明人： Isamu Tanji
IPC分类号： B25C1/06
摘要： A nail driving machine capable of reducing vibrations is provided. A nail driving machine that strikes a nail to be driven into a workpiece W includes a driver blade that is provided to be capable of moving along an axis and moves in a first direction to strike the nail, a weight that when the driver blade strikes the nail, moves in a second direction reverse to the first direction, and a coil spring that is compressed along the axis to generate a repulsive force before the driver blade strikes the nail and causes the driver blade to move in the first direction to strike the nail due to the repulsive force and causes the weight to move in the second direction due to the repulsive force.
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公开(公告)号：US10173311B2
公开(公告)日：2019-01-08
申请号：US15322451
申请日：2015-06-19
发明人： Yuuki Takeda
摘要： An electric tool is provided. The electric tool prevents anomalies in motor rotation due to dust and moisture sucked in together with a cooling wind, and is configured such that rotational position detection operations and switch operations are not affected. In the electric tool which drives a brushless DC motor using a controller, a magnetic body for rotational position detection is provided on a rotation shaft which can rotate integrally with a rotor, Hall ICs are provided to detect the rotational position of the magnetic body and output a position signal to the controller, and the magnetic body and the Hall ICs mounted on a substrate are arranged in a region isolated from the wind path of the cooling wind generated by rotation of a cooling fan. The Hall ICs are accommodated in a housing filled with resin.
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公开(公告)号：US20180353974A1
公开(公告)日：2018-12-13
申请号：US15779089
申请日：2016-11-25
发明人： Jun SATO , Kenichi NEMOTO
CPC分类号： B04B7/06 , B04B5/02 , B04B5/0414 , B04B5/0421 , B04B2007/025
摘要： In a centrifuge having a rotor with a rotor body that holds a sample and that is rapidly rotated, an inclined surface that extends upward as it extends radially outward is formed on an upper-side outer peripheral portion of the rotor, in a region that is at a radially outward side and at an upper side of the outer edge of an opening. The inclined surface is a continuous ring-like inclined surface that has the same cross-sectional shape in the circumferential direction and is formed into a straight-line shape or a curved-line shape in cross-section along a rotation central axis. Although winds occur during high-speed rotation of the rotor, the winds are rectified by the inclined surface, and a component force for pressing the rotor body in a downward direction acts thereon.
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公开(公告)号：US20180212283A1
公开(公告)日：2018-07-26
申请号：US15741764
申请日：2016-06-27
发明人： Takao ARADACHI
CPC分类号： H01M10/4257 , H01M2/1022 , H01M10/425 , H01M10/46 , H01M10/486 , H01M2010/4278 , H01M2220/30 , H02J7/00 , H02J7/0004 , H02J7/0006 , H02J7/0052 , H02J2007/0001 , H02J2007/0098
摘要： In order to provide a battery pack that allows information inside the battery pack to be output via communication with an external device without being provided with a dedicated terminal, the battery pack 20 according to the present invention has: a temperature detection element 33 that monitors the temperature of battery 21; a battery type identification element 34 that identifies the type of battery; a first terminal d for transferring information of the temperature detection element to an external device 1; and a second terminal e for transferring information of the battery type identification element to the external device 1. The battery pack 20 is characterized in having blocking means 35 and 36 for blocking the transfer of the information from the temperature detection element and the battery type identification element to another external device 60.
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公开(公告)号：US20180133822A1
公开(公告)日：2018-05-17
申请号：US15569769
申请日：2016-04-15
发明人： Kenji NAGANUMA , Kouji SAGAWA
CPC分类号： B23D63/168 , B23D57/023 , B23D59/001 , B27B17/02 , B27B17/10
摘要： An operator operates a throttle lever and by maximizing the extent of said operation, the drive state is initiated, and the crank shaft rotation rate R increases and reaches the maximal value (RC) thereof. Subsequently, the operator operates the dressing operation lever so as to be in a second state at elapsed time (t0) while keeping the extent of the throttle lever operation maximized. Because a microswitch is turned off, the crank shaft rotation rate (R) is controlled in a range of R1
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公开(公告)号：US09955627B2
公开(公告)日：2018-05-01
申请号：US14378734
申请日：2013-02-15
发明人： Yasushi Nakano , Yuki Horie , Kazuhiko Funabashi , Yuuichi Toyoshima , Hiromi Ozawa , Hirohisa Tomita
CPC分类号： A01D34/828 , A01D34/73 , A01D34/90 , A01D34/902 , A01G3/062 , B25F3/00 , B25F5/02 , Y10T83/541 , Y10T83/855
摘要： An electric working machine including: a motor; a control unit configured to control rotation of the motor; a fixed part provided with a handle having a grip portion; a movable part held by the fixed part and is configured to be extendible by sliding relative to the fixed part; and a cutting blade provided to a end portion of the movable pipe and is configured to be driven by the motor; characterized in that the electric working machine further includes a detection unit which is connected to the control unit and is configured to detect whether or not the movable part is positioned at a predetermined extended position relative to the fixed part.
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公开(公告)号：US20180111259A1
公开(公告)日：2018-04-26
申请号：US15569087
申请日：2016-03-25
发明人： Yuuki TAKEDA , Takuya YOSHINARI
CPC分类号： H02P29/00 , B24B23/02 , B24B23/022 , B25F5/00 , H02K7/145 , H02P6/16 , H02P27/06 , H02P29/50 , Y02P70/177
摘要： A power tool is provided such that noise can be reduced at a wide range of rotation speeds. A speed setting dial to be operated by a worker is disposed on a rear end part of a housing of a grinder. A control part controls driving of a motor by setting the rotation speed of the motor in response to the value of a speed setting signal which indicates a value (voltage) corresponding to an amount of rotation of the speed setting dial by the worker. Although the control part basically causes the rotation speed of the motor to change continuously in response to the rotation amount of the speed setting dial, the control part sets the rotation speed of the motor while avoiding a predetermined rotation speed region in which the noise level is increased due to mechanical and acoustic resonances.
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公开(公告)号：US20180099372A1
公开(公告)日：2018-04-12
申请号：US15568796
申请日：2016-03-25
发明人： Yuuki TAKEDA , Hironori SAKAI
CPC分类号： B24B23/02 , B24B55/00 , B25F5/008 , B25F5/02 , H02K7/1163 , H02K7/145 , H02K9/14 , H02K11/33
摘要： Provided is an electric tool in which the risk of short-circuiting between conductive members of multiple installed switching elements has been reduced by providing partitioning plates between the switching elements. An electric tool, which has a motor, an inverter circuit with multiple switching elements for performing switching operations and controlling the driving of the motor, a control unit for controlling switching element on-off operations, and a circuit board on which the switching elements are loaded, is configured so that the circuit board is housed inside a container-shaped case (40) and the circuit board is secured with a partitioning member (50) that is interposed between the multiple switching elements and has partitioning plates (51, 52a, 52b) obtained from an insulating material.
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