215 patents
Page 8 of 11
Utility
Technique for Controlling Motor In Electric Power Tool
6 Apr 23
An electric power tool in one aspect of the present disclosure includes a motor, first and second paths respectively and electrically connect the motor to a DC power supply, a first switch on the first path, a second switch on a the second path, a first drive circuit, and first and second holding circuits.
Kunihisa SHIMA
Filed: 4 Oct 22
Utility
Power Tool
6 Apr 23
A power tool has highly airtight electrical connection between a controller and a switch to effectively prevent a short circuit.
Junya ISHIKAWA
Filed: 14 Sep 22
Utility
Rebar Tying Robot
30 Mar 23
A rebar tying robot configured to tie a plurality of first rebars and a plurality of second rebars intersecting the plurality of first rebars at points where the plurality of first rebars and the plurality of second rebars intersect.
Tadasuke MATSUNO, Kazuki OGUCHI
Filed: 17 Nov 20
Utility
Working Machine
30 Mar 23
A working machine may include: a conversion mechanism configured to convert motion of a prime mover; a first blade connected to the conversion mechanism; a second blade overlapping with the first blade in an up-down direction and facing a first facing surface of the first blade; a sealing member engaged with a first non-facing surface of the first blade that is opposite to the first facing surface, wherein the sealing member includes a first sealing surface facing the first non-facing surface in the up-down direction; and a cover member facing a second sealing surface of the sealing member that is opposite to the first sealing surface of the sealing member.
Kohei OISHI, Tomoyuki Kutsuna
Filed: 28 Sep 22
Utility
Working Machine
30 Mar 23
A working machine may include a first ground-contact part, a driving part configured to drive the first ground-contact part, a clutch mechanism configured to be switched between a transmission state and a non-transmission state, a clutch operation part configured to switch a state of the clutch mechanism, a braking mechanism configured to be switched between a braking state and a non-braking state, and a braking operation part configured to switch a state of the braking mechanism.
Yoshinori Shibata, Susumu Kato, Yasuo Ifuku, Yuta Nakamura
Filed: 12 Sep 22
Utility
Chainsaw
30 Mar 23
A chainsaw may include a saw chain; a guide bar, a sprocket, a prime mover, a housing, a sprocket cover, and a guide member.
Hideki KACHI, Tsunahisa Nakamura
Filed: 22 Sep 22
Utility
Power Tool
23 Mar 23
A power tool has a motor, a rotary shaft and a housing.
Yoshitaka MACHIDA, Taro HISANO
Filed: 22 Aug 22
Utility
Pneumatic Tool
23 Mar 23
A driving tool includes a chamber to store compressed air and a relief valve in communication with the chamber.
Ken ARATA
Filed: 29 Jul 22
Utility
Battery Holder
23 Mar 23
A strap is connectable to a battery pack without any specific portion for connection to the strap.
Masaki MURAKAMI
Filed: 4 Aug 22
Utility
Electric Power Tool
16 Mar 23
An electric power tool.
Akira MIZUTANI, Ryosuke OTANI, Fumiyoshi SAITO
Filed: 16 Dec 20
Utility
Attachment and Earth Auger
16 Mar 23
A drilling operation is assisted to form an intended hole in a drill target.
Hidenori NAGASAKA, Tomohiko IMAE, Taisei OSAWA
Filed: 4 Aug 22
Utility
Electric-powered Wheelbarrow
16 Mar 23
An electric-powered wheelbarrow in one aspect of the present disclosure includes a motor, a wheel, an electromagnetic brake, a control circuit, a signal-processing circuit, and a drive circuit.
Hidekazu SUDA
Filed: 6 Sep 22
Utility
Driving Tool
16 Mar 23
A contact restriction member is configured to move from an unlock position to a lock position within a predetermined time period by using an intermittent rotation movement of a restriction wheel.
Naoharu ISHIKAWA
Filed: 19 Jul 22
Utility
Reciprocating Cutting Tool
16 Mar 23
A reciprocating cutting tool allows a more stable operation.
Tomofumi KAWAI, Shinnosuke BABA
Filed: 22 Aug 22
Utility
Working Machine
9 Mar 23
A working machine includes a working part; a motor configured to drive the working part; a motor housing covering at least a part of the motor; an outer housing covering at least a part of the motor and at least a part of the motor housing; and a light emitter disposed at a part of the motor housing that is covered by the outer housing.
Kenta TOMINAGA, Atsushi MURATA
Filed: 14 Dec 20
Utility
Lifter Device
9 Mar 23
A lifter device includes: a pole; a lifting member configured to be guided by the pole; a motor configured to generate power used for ascending and descending of the lifting member; a transmission mechanism configured to transmit the power of the motor to the lifting member; and a preventing member configured to prevent the descending of the lifting member when the power is not transmitted.
Syuji AOYAMA
Filed: 23 Aug 22
Utility
Technique for Suppressing Motor Failure In Blower
9 Mar 23
A blower in one aspect of the present disclosure includes: a housing including a suction port and a discharge port; a motor in the housing; a fan in the housing; a motor drive circuit; and a control circuit.
Yuki KAWAI, Naoya ASAMI
Filed: 30 Aug 22
Utility
Driving Tool
9 Mar 23
A gas-spring type driving tool with a charge valve, a relief valve, and an opening valve provided in an accumulation chamber.
Yoshitaka AKIBA
Filed: 2 Mar 21
Utility
Technique for Suppressing Decrease In Flow Rate of Air Discharged from Blower
9 Mar 23
A blower in one aspect of the present disclosure includes: a housing including a first discharge port; a motor in the housing; a fan in the housing; an attachment fitting portion; and a motor drive circuit.
Yuki KAWAI, Naoya ASAMI
Filed: 29 Aug 22
Utility
Power Tool Having Hammer Mechanism
9 Mar 23
A power tool, such as a rotary hammer, includes a housing, an output shaft for mounting a tool accessary and a motor having a motor shaft that generates a rotational output for rotating and linearly hammering the output shaft.
Kiyonobu YOSHIKANE, Yoshitaka MACHIDA, Hitoshi IIDA, Kazuki NAKAGAWA
Filed: 14 Nov 22