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公开(公告)号：US11278973B2
公开(公告)日：2022-03-22
申请号：US16591230
申请日：2019-10-02
Applicant: MAKITA CORPORATION
Inventor： Hidenori Nagasaka , Shogo Tominaga
Abstract: A rechargeable shear (1) includes: a motor (5) having a rotor (21) that is rotatable relative to a stator (20); a motor housing (4), which houses the motor (5); a grip housing (8) connected to the motor housing (4); a battery-holding housing (9) connected to the grip housing (8); and a shear part (3) disposed forward of the rotor 21 and operably driven by the rotor (21). The motor (5) may be brushless. The shear part (3) may be rotatable relative to the motor housing (4) using a manipulatable ring (85) and a detent system (89, 92-94). A light (48) for illuminating the shear part (3) and a workpiece being cut thereby may be provided on the grip housing (8) or the battery-holding housing (9).
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公开(公告)号：US11045926B2
公开(公告)日：2021-06-29
申请号：US16244356
申请日：2019-01-10
Applicant: MAKITA CORPORATION
Inventor： Ryunosuke Kumagai , Tokuo Hirabayashi , Hidenori Nagasaka , Manabu Sugimoto
Abstract: An impact driver or impact tool includes a motor, a motor housing that houses the motor, a grip housing integrally provided with the motor housing, a hammer case is disposed frontward of the motor housing, a spindle rotated by the motor, a hammer housed inside the hammer case and configured to be rotated by the spindle, and an anvil housed inside the hammer case which anvil is configured to be impacted by the hammer. In this impact driver, a length from a rear end of the motor housing to a front end of the anvil (i.e., the front-rear length of a main body) is less than 128 mm.
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公开(公告)号：US10751809B2
公开(公告)日：2020-08-25
申请号：US15944101
申请日：2018-04-03
Applicant: MAKITA CORPORATION
Inventor： Hidenori Nagasaka , Tomohiko Imae
Abstract: An electrical apparatus comprises an extension portion extending in a direction that intersects the direction in which a battery attachment surface of a battery base extends. A battery includes a plurality of battery cells with negative electrode side end faces. The battery has negative electrode side holding portions adjacent to the exterior of each of the negative electrode side end faces. The negative electrode side holding portions are located closer to the inner region of the center of gravity of the apparatus than a virtual plane to which a lateral rear side of the extension portion and a lateral rear side of the battery are tangent.
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公开(公告)号：US09906055B2
公开(公告)日：2018-02-27
申请号：US14400683
申请日：2013-05-28
Applicant: MAKITA CORPORATION
Inventor： Hideyuki Taga , Yasuhiro Tabuchi , Hidenori Nagasaka , Kiyozumi Kokawa , Shinsuke Okuda
IPC: H02J7/00 , H01M10/46 , H01M10/052
CPC classification number: H02J7/0042 , H01M10/052 , H01M10/46 , H02J7/0013 , H02J7/0045
Abstract: A pair of right and left fixing holes and a pair of strap attachment holes are provided on a rear surface of a main body housing at a position which does not protrude from a side area S in a planar view. A bottom edge portion of an upper recessed portion is provided above the fixing hole to cover each of the right and left fixing holes, the strap attachment holes are provided to be coaxial with the bottom edge portion, and it is ensured that durability and compactness of the charger are obtained.
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公开(公告)号：US12220791B2
公开(公告)日：2025-02-11
申请号：US18409099
申请日：2024-01-10
Applicant: MAKITA CORPORATION
Inventor： Ryunosuke Kumagai , Tokuo Hirabayashi , Hidenori Nagasaka , Manabu Sugimoto
Abstract: An impact tool includes a brushless motor having a rotor extending in a front-rear direction and disposed in a motor housing constituted by left, right and rear motor housings. A battery pack is disposed below the motor housing in an up-down direction. A plurality of first screws extend in a left-right direction and fix the left motor housing to the right motor housing. A plurality of second screws extend in the front-rear direction and fix the rear motor housing to the left and right motor housings. A fan is disposed between the rotor and the rear motor housing, a grip housing is disposed downward of the motor housing, and a planetary gear mechanism is disposed frontward of the motor. A spindle is disposed frontward of the planetary gear mechanism, a hammer is disposed on an outer circumference of the spindle, and an anvil is disposed frontward of the hammer.
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Patent Agency Ranking
公开(公告)号：US10906163B2
公开(公告)日：2021-02-02
申请号：US16654461
申请日：2019-10-16
Applicant: MAKITA CORPORATION
Inventor： Hidenori Nagasaka , Ryunosuke Kumagai , Koji Tsukamoto , Tomonori Kawase , Kosuke Ito , Tokuo Hirabayashi , Yasuhito Kawai
Abstract: A power tool includes a tool-main-body part, an electric motor as a drive source, a grip part, which extends downward from the tool-main-body part and is configured to be gripped by a user, and a power-supply unit at a tip of the grip part. The power tool includes a controller configured to control the operation of the electric motor, the controller being located on the power-supply unit, and a display controlled by the controller and configured to indicate an operating state of the electric motor. The controller and the display each have a flat-plate shape and are disposed along a surface direction with respect to one another, and the display includes a first portion that overlies the controller and a second portion that projects beyond an end edge of the controller.
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公开(公告)号：US10589412B2
公开(公告)日：2020-03-17
申请号：US15493541
申请日：2017-04-21
Applicant: MAKITA CORPORATION
Inventor： Hidenori Nagasaka , Tomohiko Imae
Abstract: A rechargeable electric power tool includes a motor that includes a rotation shaft, a motor housing that houses the motor, a gear housing disposed ahead of the motor, a final output shaft that is held onto the gear housing and perpendicular to the rotation shaft, and a loop-shaped handle housing disposed at a rear of the motor housing, and a battery mounting portion configured to hold two battery packs is disposed at a rear portion of the handle housing.
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公开(公告)号：US10478950B2
公开(公告)日：2019-11-19
申请号：US15356862
申请日：2016-11-21
Applicant: MAKITA CORPORATION
Inventor： Hidenori Nagasaka , Ryunosuke Kumagai , Koji Tsukamoto , Tomonori Kawase , Kosuke Ito , Tokuo Hirabayashi , Yasuhito Kawai
Abstract: A power tool includes a tool-main-body part, an electric motor as a drive source, a grip part, which extends downward from the tool-main-body part and is configured to be gripped by a user, and a power-supply unit at a tip of the grip part. The power tool includes a controller configured to control the operation of the electric motor, the controller being located on the power-supply unit, and a display controlled by the controller and configured to indicate an operating state of the electric motor. The controller and the display each have a flat-plate shape and are disposed along a surface direction with respect to one another, and the display includes a first portion that overlies the controller and a second portion that projects beyond an end edge of the controller.
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公开(公告)号：USD866280S1
公开(公告)日：2019-11-12
申请号：US29646729
申请日：2018-05-07
Applicant: MAKITA CORPORATION
Designer： Kento Nakamura , Hidenori Nagasaka , Tomohiko Imae
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公开(公告)号：US10245711B2
公开(公告)日：2019-04-02
申请号：US15347090
申请日：2016-11-09
Applicant: MAKITA CORPORATION
Inventor： Hidenori Nagasaka
Abstract: An electric power tool includes a housing, a motor, a deceleration mechanism, a final output shaft, a vibration mechanism, a vibration switching member, a stop member, and an expansion prevention portion. The vibration mechanism provides a vibration in an axial direction to the final output shaft. The vibration switching member is accommodated in a slit axially disposed on a front end of a tubular portion and moved back and forth in the slit by an operation from outside to switch on and off actuation of the vibration mechanism. The stop member is installed on the front end of the tubular portion to cover the slit. The expansion prevention portion is disposed on the stop member and is brought in contact with an outer periphery of the front end of the tubular portion to prevent the front end of the tubular portion from expanding,
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