公开(公告)号：US20240110696A1

公开(公告)日：2024-04-04

申请号：US18541621

申请日：2023-12-15

Applicant: MAKITA CORPORATION

Inventor： Makoto CHIKARAISHI ,  Akihiro Hozumi ,  Kazunori Kinoshita

IPC: F21V33/00 ,  B25F5/02 ,  F21V29/10 ,  H01L33/64

CPC classification number: F21V33/0084 ,  B25F5/02 ,  F21V29/10 ,  H01L33/641 ,  F21Y2115/10

Abstract: A power tool includes: a motor; an output shaft that is rotated by a rotational force of the motor; a chip-on-board light emitting diode disposed around the output shaft; and a suppression device configured to suppress a temperature of the chip-on-board light emitting diode to a predetermined allowable value or less.

公开(公告)号：US12025303B2

公开(公告)日：2024-07-02

申请号：US18541621

申请日：2023-12-15

Applicant: MAKITA CORPORATION

Inventor： Makoto Chikaraishi ,  Akihiro Hozumi ,  Kazunori Kinoshita

IPC: F21V33/00 ,  B25F5/02 ,  F21V29/10 ,  F21W131/10 ,  F21Y115/10 ,  H01L33/64

CPC classification number: F21V33/0084 ,  B25F5/02 ,  F21V29/10 ,  H01L33/641 ,  F21W2131/10 ,  F21Y2115/10

Abstract: A power tool includes: a motor; an output shaft that is rotated by a rotational force of the motor; a chip-on-board light emitting diode disposed around the output shaft; and a suppression device configured to suppress a temperature of the chip-on-board light emitting diode to a predetermined allowable value or less.

公开(公告)号：US11913633B2

公开(公告)日：2024-02-27

申请号：US18193699

申请日：2023-03-31

Applicant: MAKITA CORPORATION

Inventor： Makoto Chikaraishi ,  Akihiro Hozumi ,  Kazunori Kinoshita

IPC: F21V33/00 ,  B25F5/02 ,  F21V29/10 ,  H01L33/64 ,  F21Y115/10 ,  F21W131/10

CPC classification number: F21V33/0084 ,  B25F5/02 ,  F21V29/10 ,  H01L33/641 ,  F21W2131/10 ,  F21Y2115/10

Abstract: A power tool includes: a motor; an output shaft that is rotated by a rotational force of the motor; a chip-on-board light emitting diode disposed around the output shaft; and a suppression device configured to suppress a temperature of the chip-on-board light emitting diode to a predetermined allowable value or less.

公开(公告)号：US11958170B2

公开(公告)日：2024-04-16

申请号：US18060094

申请日：2022-11-30

Applicant: MAKITA CORPORATION

Inventor： Tokuo Hirabayashi ,  Haruki Tejima ,  Kazuma Aoki ,  Kazunori Kinoshita

IPC: B25F5/00 ,  B25B21/02 ,  B25B23/18 ,  B25F5/02

CPC classification number: B25B21/02 ,  B25B23/18 ,  B25F5/02

Abstract: An impact tool includes: a brushless motor; a spindle, which is rotated by the brushless motor; a hammer, which is held on the spindle; an anvil, which is impacted in a rotational direction by the hammer; a polymer housing, which houses the brushless motor; a hammer case, which is connected to the polymer housing and houses the hammer and the spindle; and a light unit, which is held on the hammer case and comprises a plurality of light-emitting devices. The maximum tightening torque of the anvil is 1,000 N·m or more and 2,500 N·m or less.

公开(公告)号：US20240308034A1

公开(公告)日：2024-09-19

申请号：US18406850

申请日：2024-01-08

Applicant: Makita Corporation

Inventor： Takeshi Kamiya ,  Yumiko Noda ,  Kazunori Kinoshita

IPC: B25B21/02 ,  B25B23/16 ,  B25F5/00

CPC classification number: B25B21/02 ,  B25B23/16 ,  B25F5/001

Abstract: An impact wrench includes an anvil to which a socket is attachable, a hammer located above the anvil to strike the anvil in a rotation direction, a brushless motor located above the hammer and including a rotor and a stator, a controller that controls rotation of the brushless motor, a case accommodating the hammer, a rod located above the case, a head located above the rod, accommodating the controller, and including a battery mount to which a battery pack is attachable, a forward-reverse switch, and a panel elongated in a lateral direction, and a grip extending from the head in the lateral direction and including a trigger switch.

公开(公告)号：US20230366533A1

公开(公告)日：2023-11-16

申请号：US18193699

申请日：2023-03-31

Applicant: MAKITA CORPORATION

Inventor： Makoto Chikaraishi ,  Akihiro Hozumi ,  Kazunori Kinoshita

IPC: F21V33/00 ,  B25F5/02 ,  H01L33/64 ,  F21V29/10

CPC classification number: F21V33/0084 ,  B25F5/02 ,  F21V29/10 ,  H01L33/641 ,  F21W2131/10

Abstract: A power tool includes: a motor; an output shaft that is rotated by a rotational force of the motor; a chip-on-board light emitting diode disposed around the output shaft; and a suppression device configured to suppress a temperature of the chip-on-board light emitting diode to a predetermined allowable value or less.