215 patents
Page 3 of 11
Utility
Driving Tools
16 Nov 23
A driving tool includes a piston configured to move in a driving direction due to gas pressure, and a driver configured to move integrally with the piston to strike a fastener.
Norikazu BABA, Shun KURIKI, Kazusa FUKUDA, Masaya NAGAO
Filed: 1 May 23
Utility
Driving Tool
16 Nov 23
An elastic member is disposed between an internal gear of a gear train and a gear housing.
Masaya NAGAO, Norikazu BABA, Shun KURIKI, Kazusa FUKUDA
Filed: 21 Apr 23
Utility
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16 Nov 23
A power tool includes: a motor; an output shaft that is rotated by a rotational force of the motor; a chip-on-board light emitting diode disposed around the output shaft; and a suppression device configured to suppress a temperature of the chip-on-board light emitting diode to a predetermined allowable value or less.
Makoto Chikaraishi, Akihiro Hozumi, Kazunori Kinoshita
Filed: 31 Mar 23
Utility
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16 Nov 23
A power tool includes a motor, an output shaft, a chip-on-board light emitting diode, and a light cover.
Makoto CHIKARAISHI, Akihiro HOZUMI, Yutaka OGISO
Filed: 5 Apr 23
Utility
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16 Nov 23
A power tool includes a brushless motor having a stator and a rotor.
Akira NIWA, Kei KOUDA
Filed: 28 Jul 23
Utility
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9 Nov 23
A power tool receives a reaction force with an auxiliary handle attached to the power tool.
Takeshi KAMIYA, Koji TAKAHAGI, Tomohiko IMAE, Jun UEDA, Yuta ARAKI, Hidenori NAGASAKA
Filed: 2 Mar 21
Utility
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9 Nov 23
In the brushless motor disposed in a hammer drill, while a stator core of a stator is formed by joining a plurality of divided cores divided in a circumferential direction, varnishes are applied over a coil and joining portions between the divided cores.
Junya INUZUKA
Filed: 21 Jul 23
Utility
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2 Nov 23
A rebar tying tool ties together two or more rebars using a wire.
Yuta ASAKURA
Filed: 7 Mar 23
Utility
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26 Oct 23
A blower may include an inlet, an outlet, an airflow pipe disposed between the inlet and the outlet, a fan disposed in the airflow pipe, an electric motor disposed in the airflow pipe and configured to drive the fan, a motor housing that is disposed in the airflow pipe and houses the electric motor, and a control unit configured to control the electric motor.
Shinsuke NAKA, Ryoji ZAMA
Filed: 13 Apr 23
Utility
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26 Oct 23
A handle for use with a power tool includes a handle body, a beam and a weight.
Yu ETO, Yoshinori SASAKI, Luyen Van TONG
Filed: 30 Mar 23
Utility
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26 Oct 23
A blower may include an airflow pipe disposed between an inlet and an outlet, an axial flow fan including a hub and a plurality of blades, a drive shaft, an electric motor, a motor housing, a diffuser cone, a first vent defined on the diffuser cone, and a second vent defined between the hub and the motor housing.
Shinsuke NAKA, Ryoji ZAMA
Filed: 13 Apr 23
Utility
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19 Oct 23
A grinding tool facilitates wiring between a detector for an auxiliary handle and a controller.
Fumitoshi NUMATA
Filed: 17 Feb 23
Utility
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19 Oct 23
A power cutter disclosed herein may include: a disk blade; a body configured to rotatably support the disk blade about a rotation axis and comprising an electric motor for rotationally driving the disk blade; a plurality of battery packs detachably attached to the body and configured to supply electric power to the electric motor; a grip disposed on the body and configured to be gripped by a user; and a main switch disposed on the grip and configured to electrically connect the plurality of battery packs to the electric motor when the user activates the main switch; wherein a central axis of the grip extends along a reference plane which is perpendicular to the rotation axis of the disk blade, and a distance from the reference plane to the disk blade is less than or equal to 1.5 times a width of the grip.
Takuya SUMI, Kenta Tominaga, Sho Tsuda
Filed: 23 Jun 23
Utility
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19 Oct 23
A power tool includes a motor and a controller in a power tool housing.
Nobuyasu FURUI, Hitoshi SUZUKI, Masaaki Fukumoto, Takuya UMEMURA, Kosuke ITO, Hitoshi Sengiku, Shuji Yoshikawa, Tatsuya NAGAHAMA
Filed: 13 Jun 23
Utility
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19 Oct 23
An electric working machine in one aspect of the present disclosure calculates an estimated heat value based on an electric current value and a parameter.
Dai SUZUKI, Masayuki OKAMURA, Itsuku KATO
Filed: 13 Apr 23
Utility
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12 Oct 23
A dust collection cup allows a bit tip to be viewable without being detached or replaced.
Mizuki YAMAMOTO, Yoshitaka MACHIDA, Kiyonobu YOSHIKANE
Filed: 10 Feb 23
Utility
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5 Oct 23
To prevent, for example, a tube in a case from blocking an oil port, an oil unit includes a case that contains oil, a blade inside the case, an output shaft holding the blade and protruding from the case, at least one oil port formed on the case, a hollow tube adjacent to an inner surface in which the at least one oil port is open in the case, and a flow channel definer positioning the tube adjacent to an opening of the at least one oil port in the inner surface at a predetermined position and defining a flow channel of oil to flow into the case through the opening.
Koji TAKAHAGI
Filed: 3 Mar 23
Utility
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5 Oct 23
A system in one aspect of the present disclosure includes a battery pack and an electric work machine.
Tadahiko KOBAYAKAWA, Hayato KANO, Yoshitaka ICHIKAWA
Filed: 27 Mar 23
Utility
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5 Oct 23
A battery pack includes a battery-side terminal and a housing.
Junichi MURAKAMI, Hideyuki TAGA
Filed: 6 Aug 21
Utility
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28 Sep 23
A portable electric tool includes an output shaft extending in an axial direction and configured to be rotatable, a tool accessory configured to perform an eccentric circular motion according to the rotation of the output shaft, a dust collection fan fixed to the output shaft so as to circumferentially surround the output shaft, a motor disposed on an opposite side of the dust collection fan from the tool accessory in the axial direction and configured to provide a rotational driving force to the output shaft, a motor cooling fan disposed between the dust collection fan and the motor in the axial direction, a first weight attached to one of the dust collection fan and the motor cooling fan and having a specific gravity higher than the one of the fans, and a second weight disposed at a position different from the first weight in the axial direction.
Fumihide SUGITA
Filed: 2 Mar 23