391 patents
Page 7 of 20
Utility
Oil Unit and Power Tool
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
Technique for Controlling Discharge from Battery Pack
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
Design
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3 Oct 23
Tianpeng Sun, Hao Shi
Filed: 25 Apr 22
Design
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3 Oct 23
Kazunori Hattori, Ken Goto
Filed: 2 May 22
Design
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3 Oct 23
Kento Nakamura, Hideki Kachi
Filed: 29 Dec 21
Utility
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3 Oct 23
A blower may include: a volute case defining a suction port, a volute chamber, and a discharge port; an impeller rotatably supported within the volute chamber; a motor connected to the impeller and configured to drive the impeller; and an outer case accommodating the suction port of the volute case and the motor.
Yuki Koide, Makoto Takahashi
Filed: 9 Jun 20
Utility
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3 Oct 23
A power tool includes a spindle, holding members each having a claw, a biasing member, and a locking member.
Takafumi Kotsuji
Filed: 22 Jan 21
Utility
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3 Oct 23
A power tool and a hook can withstand a shock load applied when being suspended.
Yoshitaka Machida, Monthana Chutimarungsan, Julalak Chompurak
Filed: 6 Aug 19
Utility
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3 Oct 23
An electric work machine includes a smaller motor.
Fuminari Fujii
Filed: 8 Jun 21
Utility
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3 Oct 23
An electric working machine includes: a motor; a semiconductor element that is provided in a current path to the motor and completes or interrupts the current path; a circuit board on which the semiconductor element is mounted, a control circuit that turns on and off the semiconductor element to control energization to the motor being assembled to the circuit board; and a heat sink for dissipating heat from the semiconductor element.
Akihiro Nakamoto
Filed: 25 Nov 19
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
Utility
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28 Sep 23
A belt sander has an electric motor, a housing including a motor housing part, belt driving part, first handle and battery mounting part.
Katsumi Okochi
Filed: 17 Feb 23
Utility
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28 Sep 23
A dust box is provided that is configured to be removably mounted to a belt sander having a housing, and a discharge nozzle and a suction nozzle that are connected to the housing.
Katsumi OKOCHI
Filed: 17 Feb 23
Utility
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28 Sep 23
An electric work machine reduces noise from the electric work machine.
Yoshinori SASAKI, Takao KUROYANAGI
Filed: 18 Jan 23
Utility
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28 Sep 23
An electric power tool includes a housing, a fan, a tubular portion, and a rectifier.
Fumitoshi NUMATA
Filed: 21 Apr 23
Utility
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26 Sep 23
A positioner positions a guide ruler relative to a workpiece that is adjacent to the guide ruler while more stably retaining the guide ruler at the locked position without causing interference with a cutting operation.
Toshiyuki Kani, Hiromu Goto
Filed: 9 Jul 20
Utility
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26 Sep 23
An electric working machine in one aspect of the present disclosure includes a motor and a controller.
Yoshitaka Ichikawa
Filed: 16 Aug 22
Utility
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21 Sep 23
A representative fastening tool which fastens a work piece by utilizing a fastener that includes a pin in which a shaft portion and a head portion are integrally formed and a hollow shaped collar which is engageable to the pin, wherein the work piece is disposed between the head portion and the collar.
Michisada YABUGUCHI
Filed: 16 Feb 23
Utility
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21 Sep 23
A battery-powered dolly in one aspect of the present disclosure includes a handle, a connector, a motor, a wheel, a detector, a rotation information acquirer and a controller.
Kouichi TAKEDA
Filed: 13 Mar 23