公开(公告)号：US20240066680A1

公开(公告)日：2024-02-29

申请号：US18215984

申请日：2023-06-29

Applicant: MAKITA CORPORATION

Inventor： Hajime TAKEUCHI ,  Yoji INOUE ,  Hiroki TAKESASHI

IPC: B25F5/02

CPC classification number: B25F5/026

Abstract: An auxiliary grip for an impact tool capable of enhancing a shock absorbing function, comprising a grip shaft extending orthogonally to the impact direction, a tubular grip body covering the grip shaft, and a connecting mechanism for connecting the grip body at one end of the grip shaft.

公开(公告)号：US20210299839A1

公开(公告)日：2021-09-30

申请号：US17217233

申请日：2021-03-30

Applicant: MAKITA CORPORATION

Inventor： Masanori FURUSAWA ,  Hajime TAKEUCHI ,  Yoji INOUE

IPC: B25D17/02 ,  B25D17/06 ,  B25D11/12

Abstract: A power tool includes a hammer mechanism, a brushless motor and a cooling fan. The brushless motor includes a rotary member having a motor shaft operably coupled to the hammer mechanism for linearly driving a tool accessory. The cooling fan has a first blade part and is configured to be rotated by the rotary member. The cooling fan includes a polymer portion, which forms at least a portion of the first blade part, and a metal portion disposed in or on the polymer portion. When viewed in a direction parallel to a rotational axis of the cooling fan, the metal member at least partially overlaps the first blade part in a radial direction of the cooling fan.

公开(公告)号：US20240009823A1

公开(公告)日：2024-01-11

申请号：US18211009

申请日：2023-06-16

Applicant: MAKITA CORPORATION

Inventor： Hajime TAKEUCHI ,  Yoji INOUE ,  Masanori FURUSAWA

IPC: B25D16/00

CPC classification number: B25D16/006 ,  B25D2211/068 ,  B25D2216/0015 ,  B25D2216/0023 ,  B25D2216/0084 ,  B25D2250/121

Abstract: A rotary hammer includes a tool body, a tool holder, a cylinder, and a coupling member. The tool holder has a tubular shape and a longitudinal axis. The tool holder is configured to hold a tool accessory to be movable along the longitudinal axis and is supported by the tool body to be rotatable around the longitudinal axis. The cylinder extends coaxially with the tool holder and is supported by the tool body to be rotatable around the longitudinal axis. The coupling member is between the tool holder and the cylinder in a radial direction of the tool holder and is engaged with the tool holder and the cylinder to couple the tool holder and the cylinder together such that the tool holder and the cylinder integrally rotate.

公开(公告)号：US20240033870A1

公开(公告)日：2024-02-01

申请号：US18224368

申请日：2023-07-20

Applicant: MAKITA CORPORATION

Inventor： Hajime TAKEUCHI ,  Hitoshi IIDA ,  Masanori FURUSAWA ,  Yoji INOUE

IPC: B23Q11/00 ,  B23B45/00 ,  B23B45/02

CPC classification number: B23Q11/0046 ,  B23Q11/0071 ,  B23B45/003 ,  B23B45/02

Abstract: A dust collecting attachment for an electric power tool includes dust collecting fans, a suctioning portion, and a dust collecting portion. The suctioning portion generates a suctioning force by rotation of the dust collecting fans. The dust collecting portion captures dust suctioned from the suctioning portion. When the dust collecting attachment is mounted to an electric power tool including a motor, a fan shaft of the dust collecting fans is connected to a rotation shaft that is disposed in the electric power tool and rotates in accordance with driving of the motor to allow the dust collecting fans to rotate integrally with the rotation shaft. The dust collecting fans are disposed in a plurality of stages in an axial direction of the fan shaft.