156 patents
Page 4 of 8
Utility
Electric work machine
3 Oct 23
An electric work machine includes a smaller motor.
Fuminari Fujii
Filed: 8 Jun 21
Utility
Electric working machine with semiconductor element that completes or interrupts current path to motor
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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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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19 Sep 23
A cleaning machine may include: a first brush comprising a first brush shaft extending in a left-right direction and a first brush body held by the first brush shaft; a second brush comprising a second brush shaft extending in the left-right direction and a second brush body held on the second brush shaft; a brush supporting member supporting each of the first brush and the second brush such that the first brush and the second brush are rotatable; a body supporting the brush supporting member such that the brush supporting member is pivotable; and a pivot mechanism configured to pivot the brush supporting member with respect to the body.
Kenta Morimoto, Takuo Arakawa
Filed: 10 Mar 22
Utility
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19 Sep 23
An impact tool (1) includes: a motor (10); an impact mechanism (115), which is rotatable about an output rotational axis (BX) and is operably driven by the motor; an anvil (16) having an anvil shaft (113) disposed forward of the impact mechanism, and a radially-outward-protruding anvil projection (114) that is impacted in a rotational direction by the impact mechanism; a hammer case (6) housing the impact mechanism; an anvil bearing (115) held by the hammer case and surrounding the anvil shaft; a first groove (121) formed on an outer-circumferential surface of the anvil shaft so as to encircle the output rotational axis; a second groove (122) formed on an inner-circumferential surface of the anvil bearing so as to encircle the output rotational axis; and a restraining member (123) having a first portion (124) disposed in the first groove, and a second portion (125) disposed in the second groove.
Tatsuo Nakashima
Filed: 5 Oct 22
Utility
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19 Sep 23
A communicator in one aspect of the present disclosure includes a connector, a communication circuit, and a communication controller.
Takuya Kusakawa, Masaaki Fukumoto
Filed: 31 May 22
Utility
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19 Sep 23
A dust collector has a well-balanced weight.
Takayuki Tahara, Makoto Hotta
Filed: 10 Dec 21
Utility
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19 Sep 23
A driving tool comprises a displacement allowing mechanism that allows a wheel to be displaced in a radial direction of a rotation shaft.
Shun Kuriki, Norikazu Baba
Filed: 21 Apr 22
Utility
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12 Sep 23
A job-site tool in one aspect of the present disclosure includes and a display.
Akihiro Hozumi
Filed: 29 Nov 19
Utility
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12 Sep 23
An electrical device includes a battery-mount part (40) configured such that a battery used as a power supply of a power tool is mountable thereon, and a heat-generating element (54) for boiling water using electric power from the battery (B1, B2) mounted on the battery-mount part.
Tomoyuki Kondo, Katsuhito Fujinami
Filed: 21 Jan 21
Utility
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12 Sep 23
A driving tool includes a driver for driving a driving material and an elastic material for biasing the driver downward.
Norikazu Baba
Filed: 22 Dec 21
Utility
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12 Sep 23
A power tool includes a brushless motor that has a stator including a tubular stator core, a rotor disposed in the tubular stator core, first and second electrically insulating members affixed to opposite ends of the stator core and a plurality of coils.
Akira Niwa, Kei Kouda
Filed: 18 Nov 21
Utility
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5 Sep 23
A cleaner reduces noise.
Junichi Iwakami
Filed: 26 May 21
Utility
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5 Sep 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: 25 Mar 22
Utility
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5 Sep 23
An electric work machine includes a smaller motor.
Fuminari Fujii
Filed: 18 May 21
Utility
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22 Aug 23
A rebar tying machine may be configured to perform: a winding process in which a wire is fed around rebars, a vicinity of a distal end of the wire is grasped, the wire is pulled back, and the wire is cut; and a twisting process in which the wire is twisted.
Yuta Asakura
Filed: 11 Jun 21
Utility
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15 Aug 23
An electric working machine may include a support rod, a head unit, a position fixing mechanism, and a resistance member.
Ryosuke Ito, Nami Ishikawa
Filed: 17 Jul 20
Utility
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15 Aug 23
A charger includes a first connection portion, a second connection portion, a power-supply circuit, an integration circuit, a storage device, a first calculation circuit, a threshold setting circuit, a detection circuit, and a reduction circuit.
Hisakazu Okabayashi, Masaya Mizutani
Filed: 13 Sep 21
Utility
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15 Aug 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