215 patents
Page 4 of 11
Utility
Electric Work Machine
28 Sep 23
An electric work machine reduces noise from the electric work machine.
Yoshinori SASAKI, Takao KUROYANAGI
Filed: 18 Jan 23
Utility
Portable Electric Tool
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
Electric Power Tool
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
Dust Box and Belt Sander
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
Fastening Tool
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
Battery-powered Dolly
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
Utility
Battery-operated Device
21 Sep 23
A battery-operated device in one aspect of the present disclosure includes first to fourth current paths.
Shunta MIZUNO
Filed: 9 Mar 23
Utility
Electric Work Machine
21 Sep 23
An electric work machine includes: a motor comprising a stator including coils, a rotor rotatable relative to the stator, and a rotor shaft fixed to the rotor; an output unit driven by the rotor shaft; a motor case including a main body having an insertion opening, and a lid disposed on one side in an axial direction relative to the main body and connected to the main body to close the insertion opening; and a resin portion that includes a first portion covering the coils and a second portion disposed on one side in the axial direction relative to the first portion.
Fuminari FUJII
Filed: 8 Mar 23
Utility
Working Machine and Blade Unit
14 Sep 23
A working machine may include: a first blade; a second blade overlapping with the first blade in an up-down direction; and a holding unit configured to hold the first blade and the second blade overlapping each other in the up-down direction.
Kohei OISHI, Takayoshi IIO, Tomoyuki KUTSUNA, Satoshi TAKAHASHI
Filed: 6 Mar 23
Utility
Power Tool
14 Sep 23
A power tool includes a resin member in a rotor that is less susceptible to breaking.
Hiroki NAGAI, Takaya YAMADA, Yuya SANO
Filed: 18 Jan 23
Utility
Working Machine
14 Sep 23
A working machine may include a working part, a fan, a motor configured to drive the working part and the fan, a body housing accommodating the fan and the motor and including a battery accommodating part which defines a battery accommodating space and a battery pack accommodated in the battery accommodating part.
Daisuke SUZUKI, Mayayoshi OKUMI
Filed: 28 Feb 23
Utility
Working Machine
14 Sep 23
A working machine may include a working part, a body including a motor accommodating part, a fan accommodated in the motor accommodating part and a motor accommodated in the motor accommodating part and configured to drive the working part and the fan.
Daisuke SUZUKI, Masayoshi Okumi, Hideki Kachi
Filed: 6 Mar 23
Utility
Working Machine
14 Sep 23
A working machine may include a working part and a body including a motor accommodating part.
Daisuke SUZUKI
Filed: 6 Mar 23
Utility
Power Tool
7 Sep 23
A grinder includes a locking assembly to lock a spindle in a head housing and has outlets with a large opening area for high cooling efficiency.
Fumitoshi NUMATA
Filed: 5 Jan 23
Utility
Power Tool
7 Sep 23
A dust cover has improved operability for attachment and detachment.
Pengfei YANG, Mingli LEI, Hideharu MUTO
Filed: 5 Jan 23
Utility
Electric Work Machine and Driver Drill
31 Aug 23
An electric work machine avoids use of more lead wires.
Kisho SEKIDO
Filed: 9 Jan 23
Utility
Work Tool and Electric Tool
17 Aug 23
A work tool includes: a motor; a housing; an operation member extending in a longitudinal direction of the tool along the housing, configured to be pivotal about a pivotal axis by being subjected to a grip operation by a user, and exposed outside the housing on both first and second sides with respect to the pivotal axis; and a switch configured to detect that the operation member is moved to a first startup position in a first direction and to detect that the operation member is moved to a second startup position in a second direction opposite the first.
Akira MIZUTANI, Masatoshi NAKAHAMA, Daiki IMAIDA
Filed: 15 Apr 21
Utility
Driver-drill
17 Aug 23
A rotary tool includes a motor having an axis of rotation extending in a forward-rearward direction of the rotary tool.
Yuta ARAKI, Motohiro OMURA, Akira ITO
Filed: 28 Apr 23
Utility
Power Tool
10 Aug 23
Heat generated during braking is reduced to prevent reduction in braking performance or the service life of the components.
Fumitoshi NUMATA
Filed: 6 Jan 23
Utility
Tool-holding Apparatus, Impact Driver, and Electric Work Machine
10 Aug 23
A tool-holding apparatus (70) includes an engaging member (71) for engaging a tool accessory (B) and being movably supported in axial and radial directions in a rotational-output shaft (26) having an insertion hole (81) for holding the tool accessory (B).
Yasuhito KAWAI, Tomoyuki KONDO
Filed: 19 Apr 23