156 patents
Utility
Reciprocating tool
16 Jan 24
A reciprocating tool includes a housing, a first tubular member, a slider, a second tubular member and a lock member.
Yuta Yamashita, Tomohiro Ukai
Filed: 20 Oct 21
Utility
Portable power tool
16 Jan 24
A portable power tool includes an electric motor having a motor shaft, an output shaft arranged in parallel to the motor shaft and configured to be driven by rotation of the motor shaft, a tool accessory operably connected to the output shaft and configured to undergo an orbital and/or rotational motion in response to rotation of the output shaft, a first bearing that rotatably supports the output shaft, and a second bearing that rotatably supports the output shaft and is arranged closer to the tool accessory than the first bearing in an axial direction in which the output shaft extends.
Chitphong Kuntheeya
Filed: 13 Jul 21
Utility
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16 Jan 24
A portable power tool includes a first handle extending in an elongated manner and configured to be held by a user, an electric motor, a tool accessory that undergoes orbital and/or rotational motion in response to generation of a rotational driving force by the electric motor, and a battery mounting part configured to detachably attach a battery that serves as a power source for the electric motor.
Tomoki Takata, Katsumi Okouchi, Takuji Kimura
Filed: 30 Jun 21
Utility
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16 Jan 24
A battery pack in one aspect of the present disclosure includes a battery and a controller provided with a counter value.
Tadahiko Kobayakawa, Hiroki Uesugi, Hayato Kano
Filed: 16 Sep 20
Utility
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9 Jan 24
An impact tool includes a housing, an impact mechanism unit, a motor, and a dust collection fan.
Kiyonobu Yoshikane, Hiroki Takesashi
Filed: 25 May 22
Utility
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9 Jan 24
A grinder including a motor, a switch operated ON and OFF in accordance with an operation of a switch lever to control a rotation of an output shaft of the motor, a spindle that rotates in accordance with the rotation of the output shaft to rotate a disk-shaped grinding wheel and a brake mechanism controllable with respect to a brake plate that integrally rotates with the output shaft, in a housing, the brake plate includes fins.
Kenji Shibata, Masanori Furusawa
Filed: 8 Dec 22
Utility
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9 Jan 24
An impact tool includes a housing; and a motor, a tubular tool holder, a driving mechanism, a rotation shaft, a driving mechanism housing region inside the housing.
Yoshitaka Machida, Kiyonobu Yoshikane
Filed: 4 Jan 22
Utility
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9 Jan 24
A cart may include a driving wheel, a motor configured to rotate the driving wheel, a motor drive circuit configured to drive the motor, a motor brake circuit configured to electrically brake the motor, a control device configured to control the motor via the motor drive circuit and the motor brake circuit so that a travelling speed of the cart becomes equal to or lower than an upper limit travelling speed, and a temperature sensor configured to detect a temperature of the motor brake circuit.
Ryo Umemoto, Hirokatsu Yamamoto
Filed: 30 Jun 22
Utility
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2 Jan 24
An illuminator that emits light from a radially outer portion of the cutting tool toward the cutting tool includes a first light source and a second light source, and a first lens and a second lens.
Hiroto Korekawa, Akihiro Hozumi, Toshiyuki Kani
Filed: 7 Feb 22
Utility
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2 Jan 24
Durability deterioration caused by a shock load is effectively reduced.
Yasuhito Kawai
Filed: 13 Dec 21
Utility
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2 Jan 24
An electric work machine, such as a lawn mower includes a motor case (22) fixed inside a main-body housing (10).
Kei Kouda, Hideki Abe
Filed: 28 Mar 23
Utility
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19 Dec 23
A hedge trimmer may include a body housing; a blade extending forward from a front portion of the body housing; a prime mover housed in the body housing and configured to drive the blade; a front handle disposed forward of the body housing and including a grip support and a front grip, wherein the blade is attached to the grip support and the front grip is connected to the grip support; and a rear handle connected to a rear portion of the body housing and including a rear grip.
Masahiro Suzuki
Filed: 6 Oct 20
Utility
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19 Dec 23
A pressure washer disclosed herein may include a pump mechanism configured to pressurize water supplied through a water inlet and pump out the water through a water outlet, an electric motor configured to drive the pump mechanism, and a housing that houses the pump mechanism and the electric motor.
Hideaki Sugiura
Filed: 1 Aug 19
Utility
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19 Dec 23
A reciprocating tool includes a motor, a driving mechanism, a body housing, a movable part, and a vibration control mechanism.
Hideki Tsuji, Hajime Takeuchi, Kei Watanabe, Kazuo Muramatsu, Masahiro Maegawa
Filed: 20 Oct 20
Utility
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19 Dec 23
An impact tool includes a motor, a driving mechanism, a tool body, an elastically-connected part elastically connected to the tool body to be movable at least in a front-rear direction relative to the tool body, a detecting mechanism configured to detect pressing of a tool accessory against a workpiece, and a control part configured to control driving of the motor based on a detection result of the detecting mechanism.
Masanori Furusawa, Kanako Hirono, Kei Watanabe
Filed: 22 Jun 22
Utility
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19 Dec 23
A power tool has a motor, a rotary shaft and a housing.
Yoshitaka Machida, Taro Hisano
Filed: 22 Aug 22
Utility
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19 Dec 23
A blower includes a blower body and a nozzle.
Fumitoshi Numata
Filed: 2 Sep 21
Utility
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12 Dec 23
A reciprocating cutting tool reduces deteriorating movement of an operating drum due to entry of chips between the operating drum and a housing.
Tomohiro Ukai, Yuki Miwa
Filed: 1 Jul 22
Utility
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12 Dec 23
Breakage of a controller in an electric work machine and components around the controller is reduced.
Yasuhito Kawai
Filed: 22 Jul 20
Utility
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12 Dec 23
An electric powered work machine according to one aspect of the present disclosure includes a first and a second digital filters, a control sound source, an error sensor, and a characteristics adjustor.
Hideaki Takano
Filed: 25 Jan 22