公开(公告)号：US20230173630A1

公开(公告)日：2023-06-08

申请号：US17983853

申请日：2022-11-09

Applicant: MAKITA CORPORATION

Inventor： Shin SUGIURA ,  Kiyonobu YOSHIKANE ,  Hikaru SUNABE

IPC: B23Q11/00

CPC classification number: B23Q11/0046

Abstract: A dust collector attachment for use with a drilling tool is configured to suck dust generated during the drilling operation. The dust collector attachment includes a suction nozzle and a detection part The suction nozzle has an insertion hole that is configured to allow a tool accessory removably held by the drilling tool to be inserted therethrough, and a suction port through which the dust is sucked. The detection part includes a sensor that is configured to detect metal within a detection range.

公开(公告)号：US20230027574A1

公开(公告)日：2023-01-26

申请号：US17842014

申请日：2022-06-16

Applicant: MAKITA CORPORATION

Inventor： Kiyonobu YOSHIKANE ,  Masanori FURUSAWA ,  Hideki TSUJI

IPC: B25D17/04 ,  B25D17/24

Abstract: A structuring technique contributes to the rationalization of dispositioning parts and operability with respect to a striking tool wherein usual operation is defined as a striking operation to the downward in a state that the striking tool is downwardly dropped by the own weight of the striking tool. A striking tool is held by a pair of handles by both hands while striking operation takes place when the striking tool drops downwardly by the own weight, a drive mechanism drives an end tool in a first direction and motor, wherein the output shaft of the motor extends in a third direction defined as a thickness direction to cross the first direction and the second direction, and a battery mounting portion is disposed at the side region of the main housing in the second direction, wherein a battery to supply electricity to the motor is mounted to the battery mounting portion.

公开(公告)号：US20220314414A1

公开(公告)日：2022-10-06

申请号：US17701074

申请日：2022-03-22

Applicant: MAKITA CORPORATION

Inventor： Kiyonobu YOSHIKANE ,  Mizuki YAMAMOTO

IPC: B25D17/08 ,  B23B31/107

Abstract: Two balls can reliably retract for smooth insertion of a tip tool into a tool holder. A hammer drill includes a tool holder, two balls in reception holes in the tool holder, a guide washer urging the balls forward in the reception holes with a coil spring, a pressure ring adjacent to a front of the guide washer, and an operation sleeve allowing the pressure ring to move backward and forward between locked and unlocked positions of the two balls. The guide washer includes, on its front surface, a projection toward the pressure ring to cause, with the pressure ring at the locked position, the guide washer to be inclined with respect to an axis of the tool holder for a first ball to move more backward than a second ball.

公开(公告)号：US20210370549A1

公开(公告)日：2021-12-02

申请号：US17286069

申请日：2019-10-17

Applicant: MAKITA CORPORATION

Inventor： Kiyonobu YOSHIKANE ,  Yoshiro TADA

IPC: B28D1/04 ,  H01H13/14

Abstract: A power tool reduces the cost of a switch suitable for a power tool including a brushless motor and improves the operability of the switch. A power tool includes a brushless motor, a switch body that enters an on-state in response to an on-operation, and enters an off-state in response to the on-operation being released, an on-operation portion operable to perform the on-operation of the switch body, and an on-state retainer automatically engageable with the on-operation portion in response to an operation on the on-operation portion to retain the on-operation portion at a position to which the on-operation portion is operated.

公开(公告)号：US20200305665A1

公开(公告)日：2020-10-01

申请号：US16789645

申请日：2020-02-13

Applicant: MAKITA CORPORATION

Inventor： Kiyonobu YOSHIKANE ,  Hideki TSUJI

IPC: A47L7/00 ,  A47L9/28 ,  A47L9/12 ,  A47L9/20 ,  B23B45/00

Abstract: The filter can receive timely maintenance. A dust collection system includes a hammer drill, a dust collection attachment connected to the hammer drill and including a dust collection motor that generates a suction force and a filter that catches sucked dust, and a dust collection controller that monitors a state of the dust collection attachment to determine a time to perform maintenance.

公开(公告)号：US20190381646A1

公开(公告)日：2019-12-19

申请号：US16558439

申请日：2019-09-03

Applicant: MAKITA CORPORATION

Inventor： Kiyonobu YOSHIKANE ,  Hajime TAKEUCHI ,  Yoshiro TADA ,  Masanori FURUSAWA ,  Masao MIWA ,  Shinji ONODA ,  Yoshitaka MACHIDA

IPC: B25D16/00

Abstract: A power tool (100) comprises a motor (110) operably driving a tool bit (119), a tool body (101) housing the motor (110), a handle (109) coupled to the tool body (101), and at least two battery mount parts (160A, 160B) defined on the handle (109) and/or the tool body (101). Each of the battery mount parts (160A, 160B) comprises a battery engaging part (161) configured to detachably engage with battery packs (170A, 170B) by sliding the battery packs (170A, 170B) relative to the battery engaging part (161) in a direction perpendicular to the longitudinal direction of the tool bit (119).

公开(公告)号：US20190314971A1

公开(公告)日：2019-10-17

申请号：US16289004

申请日：2019-02-28

Applicant: MAKITA CORPORATION

Inventor： Kiyonobu YOSHIKANE ,  Yoshiro TADA ,  Mizuki YAMAMOTO

IPC: B25D17/24 ,  B25D11/04 ,  B25D11/06

Abstract: An impact tool includes a tubular tool holder, a hammering mechanism, a resistor, and a biasing member. An impact element moves forward and rearward in conjunction with a piston. An intermediate element is housed movable back and forth between the impact element and a tip tool. The intermediate element abuts on a rear end of the tip tool to indirectly transmit a striking force from the impact element to the tip tool in a normal striking. The resistor is configured to abut on at least one of the intermediate element and the tip tool to apply a resistance to a front-rear movement of at least one of the intermediate element and the tip tool in a non-striking state. The biasing member disposed on the tool holder biases the resistor to a side of at least one of the intermediate element and the tip tool.

公开(公告)号：US20190118365A1

公开(公告)日：2019-04-25

申请号：US16039499

申请日：2018-07-19

Applicant: MAKITA CORPORATION

Inventor： Kiyonobu YOSHIKANE

IPC: B25D17/24 ,  B25D11/12 ,  B25D16/00

Abstract: Vibrations resulting from a reciprocating piston and vibrations resulting from a rotating crank shaft are reduced effectively. A housing for a hammer drill accommodates, at a position at which a cap closes a supply port, a counterweight movable in cooperation with a crank mechanism to reduce vibrations in a striking axis direction resulting from a reciprocating piston, and a second counterweight rotatable in cooperation with the crank mechanism to reduce vibrations in a rotational direction resulting from a crank shaft.

公开(公告)号：US20140352114A1

公开(公告)日：2014-12-04

申请号：US14287818

申请日：2014-05-27

Applicant: MAKITA CORPORATION

Inventor： Kiyonobu YOSHIKANE ,  Yoshitaka MACHIDA

IPC: B25F5/02

CPC classification number: B25F5/02 ,  B25D17/04 ,  B25D17/043 ,  B25F5/006 ,  B25F5/026 ,  B25G1/01 ,  Y10T16/4713

Abstract: An effective technique for increasing performance of an auxiliary handle which is attached to a power tool is provided. The auxiliary handle has a grip part, a grip holding part, a mounting part and a support part. The grip holding part is disposed between the grip part and the support part in a longitudinal direction of the auxiliary handle. When the auxiliary handle is attached to a power tool body, the grip part and the grip holding part are held so as to be movable with respect to the mounting part with the support part as a fulcrum.

Abstract translation: 提供了一种用于增加附接到电动工具的辅助手柄的性能的有效技术。 辅助手柄具有握持部，手柄保持部，安装部和支撑部。 把手保持部在辅助把手的长度方向上配置在把持部和支撑部之间。 当辅助手柄附接到电动工具主体时，把持部和手柄保持部被保持成能够以支撑部为支点相对于安装部移动。

公开(公告)号：US20240300081A1

公开(公告)日：2024-09-12

申请号：US18406313

申请日：2024-01-08

Applicant: MAKITA CORPORATION

Inventor： Norikazu BABA ,  Shun KURIKI ,  Kiyonobu YOSHIKANE ,  Toshiya MURAKAMI

IPC: B25C1/18

CPC classification number: B25C1/184 ,  B25C1/188 ,  B25C1/06

Abstract: A lock member is slidably provided in a pusher that pushes driven members in a feed direction. An engaging portion of the lock member engages a locking portion of a contact arm to restrict an ON operation of the contact arm. The lock member is relatively retracted against a lock biasing member when the engaging portion is pressed against the contact arm.