Patents Assigned to Makita Corporation
  • Pressure washer
    Patent number: 11845112
    Abstract: A pressure washer disclosed herein may include a pump mechanism configured to pressurize water supplied through a water inlet and pump out the water through a water outlet, an electric motor configured to drive the pump mechanism, and a housing that houses the pump mechanism and the electric motor. An outer surface of the housing most proximate to the electric motor may have a shape that does not allow the pressure washer to stand on its own when the outer surface is used as a placement surface.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: December 19, 2023
    Assignee: MAKITA CORPORATION
    Inventor: Hideaki Sugiura
  • IMPACT TOOL
    Publication number: 20230398662
    Abstract: An impact tool has less size increase. An impact tool includes a motor, a spindle including a spindle shaft and a flange, an anvil including an anvil shaft and an anvil projection, and a hammer including a base surrounding the spindle shaft, a front ring protruding frontward from an outer circumference of the base, and a hammer projection to strike the anvil projection in a rotation direction. The base has a groove at a boundary with the hammer projection.
    Type: Application
    Filed: April 26, 2023
    Publication date: December 14, 2023
    Applicant: MAKITA CORPORATION
    Inventors: Kazuma AOKI, Tomoro AOYAMA
  • IMPACT TOOL
    Publication number: 20230398663
    Abstract: An impact tool has less size increase. An impact tool includes a motor, a spindle, an anvil including an anvil shaft and an anvil projection, a hammer including a hammer projection to strike the anvil projection in a rotation direction, a hammer case accommodating the hammer, an anvil bearing held in the hammer case and surrounding the anvil shaft, and a cup washer facing a front surface of the anvil projection. The cup washer includes an inner ring portion in contact with a rear end face of the anvil bearing, an outer ring portion surrounding the anvil bearing, and a connecting ring portion connecting an outer edge of the inner ring portion and an inner edge of the outer ring portion.
    Type: Application
    Filed: May 2, 2023
    Publication date: December 14, 2023
    Applicant: MAKITA CORPORATION
    Inventors: Kazuma AOKI, Tomoro AOYAMA
  • Electric work machine
    Patent number: 11839965
    Abstract: Breakage of a controller in an electric work machine and components around the controller is reduced. The electric work machine includes a motor, a trigger switch operated to activate the motor, a controller that controls the motor, a housing including a grip on which the trigger switch is located and a controller compartment accommodating the controller, and a deformation reducing member located at an interface between the grip and the controller compartment to reduce deformation of the housing.
    Type: Grant
    Filed: July 22, 2020
    Date of Patent: December 12, 2023
    Assignee: MAKITA CORPORATION
    Inventor: Yasuhito Kawai
  • Reciprocating cutting tool
    Patent number: 11839925
    Abstract: A reciprocating cutting tool reduces deteriorating movement of an operating drum due to entry of chips between the operating drum and a housing. A reciprocating cutting tool includes a motor, a slider being rod-like and extending in a front-rear direction, a reciprocation converter that converts rotation of the motor to reciprocation in the front-rear direction and transmits the reciprocation to the slider, a power transmission housing accommodating the reciprocation converter, a tip tool holder at a front end of the slider to detachably receive a tip tool, and an operating drum operable to attach or detach the tip tool with the tip tool holder through rotation. The operating drum is rotatably held on the power transmission housing with one or more ring members.
    Type: Grant
    Filed: July 1, 2022
    Date of Patent: December 12, 2023
    Assignee: MAKITA CORPORATION
    Inventors: Tomohiro Ukai, Yuki Miwa
  • Electric powered work machine and method of controlling noise generated by electric powered work machine
    Patent number: 11841033
    Abstract: An electric powered work machine according to one aspect of the present disclosure includes a first and a second digital filters, a control sound source, an error sensor, and a characteristics adjustor. The first digital filter includes a series of taps and generates a control signal. The control sound source produces an artificial noise in accordance with the control signal. The error sensor converts a synthesized sound of the artificial noise and a target noise at a canceling location to an error signal. The second digital filter includes N taps and generates a filtered reference signal. The characteristics adjustor uses the error signal and the filtered reference signal to adjust a coefficient of each tap of M taps in the series of taps. Each of M and N is a positive integer satisfying M<N.
    Type: Grant
    Filed: January 25, 2022
    Date of Patent: December 12, 2023
    Assignee: MAKITA CORPORATION
    Inventor: Hideaki Takano
  • Adapter for connecting battery and electrical device
    Patent number: 11843208
    Abstract: An adapter may be configured to connect a battery and an electrical device to each other. The adapter may include a control board; a battery-side terminal mounted on a first surface of the control board and configured to be electrically connectable to the battery; and a device-side terminal mounted on a second surface of the control board and configured to be electrically connectable to the electrical device, the second surface being opposite from the first surface.
    Type: Grant
    Filed: December 8, 2022
    Date of Patent: December 12, 2023
    Assignee: MAKITA CORPORATION
    Inventor: Junya Yamaguchi
  • IMPACT TOOL
    Publication number: 20230390914
    Abstract: An impact tool is less likely to have a shorter service life. An impact tool includes a motor, a spindle, a hammer, an anvil, and a lid. The spindle is rotatable by the motor. The spindle has an opening in a rear end face of the spindle, an internal space extending frontward from the opening and including a first space containing a lubricant oil and a second space connecting to a rear end of the first space, and a first feed port in an outer circumferential surface of the spindle. The hammer surrounds the spindle. The anvil is strikable by the hammer in a rotation direction. The lid is placeable through the opening into the second space. The first feed port allows supply of the lubricant oil from the first space to between the spindle and the hammer.
    Type: Application
    Filed: April 20, 2023
    Publication date: December 7, 2023
    Applicant: MAKITA CORPORATION
    Inventors: Juan CHANG, Haohao WANG, Wei YANG, Haruki TEJIMA
  • POWER-ASSISTED TROLLEY
    Publication number: 20230391389
    Abstract: A power-assisted trolley includes: at least three wheels including a drive wheel; a cargo bed supported by the wheels; a handle including a grip portion extending in a left-right direction above a rear portion of the cargo bed; a motor configured to rotate the drive wheel; and a battery mounting portion configured to mount thereon a battery to supply power to the motor.
    Type: Application
    Filed: May 24, 2023
    Publication date: December 7, 2023
    Applicant: MAKITA CORPORATION
    Inventors: Shi Xuan PENG, Goh YAMAMURA
  • METALWORKING PORTABLE CUTTING MACHINE
    Publication number: 20230390839
    Abstract: A metalworking portable cutting machine has a lid for an outlet of a dust collector box with improved operability. A metalworking portable cutting machine includes a cutting machine body including a blade, and a dust collector box to collect a chip resulting from cutting. The dust collector box includes an outlet to discharge the chip, and a lid to open or close the outlet. The lid includes a heat dissipater on a part of a surface of the lid.
    Type: Application
    Filed: April 5, 2023
    Publication date: December 7, 2023
    Applicant: MAKITA CORPORATION
    Inventor: Gen MIYAMOTO
  • Audio output device with lantern
    Patent number: 11838710
    Abstract: An audio output device has a lantern part extends along a first axis, an antenna part, an audio output part, and a control part. The antenna part has a first end and a second end that are respectively connected to a first side and a second side relative to a central part of the lantern part in a first direction parallel to the first axis. A portion of the antenna part between the first end and the second end extends in the first direction and is spaced apart from the lantern part in a direction orthogonal to the first direction. The control part is configured to cause the audio output part to output sound corresponding to a radio broadcasting wave received by the antenna part.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: December 5, 2023
    Assignee: MAKITA CORPORATION
    Inventor: Kazunori Tsuge
  • Handcart
    Patent number: 11834087
    Abstract: A handcart may include a chassis unit and a container unit configured to be detachably attached to the chassis unit. The chassis unit may include a front wheel unit rotatably supporting a front wheel; a rear wheel unit rotatably supporting a rear wheel; a chassis frame extending in a front-rear direction and supporting the front and rear wheel units; and a prime mover configured to rotate at least one of the front wheel and the rear wheel as a drive wheel. The container unit may be selected from a group including at least a first container unit and a second container unit. The first container unit may include a first container and a first container frame extending in the front-rear direction and supporting the first container. The second container unit may include a second container and a second container frame extending in the front-rear direction and supporting the second container.
    Type: Grant
    Filed: August 6, 2020
    Date of Patent: December 5, 2023
    Assignee: MAKITA CORPORATION
    Inventors: Yoshinori Shibata, Susumu Kato, Tomonobu Nashimoto, Kohei Oishi, Yasuo Ifuku
  • Ventilation apparatus
    Patent number: 11832666
    Abstract: A ventilation apparatus includes a motor, a fan, a housing, and a ring. A projection protrudes from one of an outer peripheral surface of a peripheral wall part of the housing and an inner peripheral surface of the ring, whereas an engagement wall and a guide wall are provided on the other of the outer peripheral surface of the peripheral wall part of the housing and the inner peripheral surface of the ring. The guide wall has a guide surface configured to guide the ring rearward relative to the housing and to guide the projection to an engagement position at which the projection is abuttable on an engagement surface of the engagement wall. In a direction in which the projection moves away from the guide surface in a front-rear direction, an open space extends from the guide surface to an area that corresponds to an end of the second surface.
    Type: Grant
    Filed: January 3, 2022
    Date of Patent: December 5, 2023
    Assignee: MAKITA CORPORATION
    Inventor: Ken Yamauchi
  • Garment having an internal airflow space between inner and outer fabrics and a separate heat insulation material in the internal airflow space
    Patent number: 11832660
    Abstract: A garment, to which a blower device is detachably attachable, includes a main body and a heat insulation material. The main body includes at least an outer fabric having an attachment hole through which the blower device can be partially inserted. The main body is configured to cover at least a portion of a body of a wearer. The heat insulation material is attached to the main body at least on an inner side of the outer fabric. The heat insulation material is configured to cover at least a portion of the body. The garment is configured such that the heat insulation material is detachable from the main body.
    Type: Grant
    Filed: March 8, 2019
    Date of Patent: December 5, 2023
    Assignees: MAKITA CORPORATION, TEIJIN LIMITED
    Inventors: Manabu Tokunaga, Kazuhiro Sakurai, Natsumi Hara, Nobuyoshi Miyasaka
  • Chain saw
    Patent number: 11833656
    Abstract: A chain saw may include a saw chain, a guide bar to which the saw chain is attached, a sprocket configured to run the saw chain along a periphery of the guide bar, a prime mover configured to rotate the sprocket, an oil tank configured to store oil to be supplied to the saw chain, a housing that houses the prime mover and the oil tank, a bolt protruding from the housing and penetrating a hole disposed in the guide bar, a nut screwed onto the bolt to fix the guide bar to the housing, and a heat dissipating structure configured to dissipate heat from the bolt to the oil in the oil tank.
    Type: Grant
    Filed: December 15, 2021
    Date of Patent: December 5, 2023
    Assignee: MAKITA CORPORATION
    Inventors: Kohei Oishi, Ryo Sunazuka, Yoshifumi Watanabe
  • Electric tool
    Patent number: 11833640
    Abstract: A grinder includes a brake mechanism, a switch lever, and a slide bar. In the grinder, an interlocking mechanism configured to interlock the brake mechanism with the switch lever includes a link member that is interposed between the switch lever and the slide bar, that moves the slide bar to the forward position at the push-in position of the switch lever, and that moves the slide bar to the retraction position at the initial position of the switch lever.
    Type: Grant
    Filed: September 28, 2022
    Date of Patent: December 5, 2023
    Assignee: MAKITA CORPORATION
    Inventors: Junichi Iwakami, Hideharu Muto, Ryosuke Otani
  • Electric power tool and electric vibration driver drill
    Patent number: 11833644
    Abstract: An electric vibration driver drill as one example of an electric power tool includes the gear housing, the vibration mechanism and the clutch mechanism each located inside the gear housing, the mode switching ring (vibration switching ring) configured to operate the vibration mechanism and rotatably held to the gear housing, the clutch ring (clutch switching ring) configured to operate the clutch mechanism and rotatably held to the housing, and the respective balls located between the mode switching ring and the clutch ring.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: December 5, 2023
    Assignee: MAKITA CORPORATION
    Inventor: Takeshi Kamiya
  • Power tool having hammer mechanism
    Patent number: 11833653
    Abstract: A power tool includes a tool body, a motor, a handle, at least one biasing member, and at least one guide part. The handle is connected to the tool body to be pivotable and to be movable in at least a front-rear direction relative to the tool body. The handle includes a cover part covering a portion of the tool body and a grip part extending in a cantilever manner from the cover part. The at least one biasing member biases the tool body and the handle away from each other in the front-rear direction. The at least one guide part includes a first portion disposed on a portion of the tool body covered by the cover part, and a second portion disposed on the cover part of the handle and connected to the first portion to be movable in at least the front-rear direction relative to the first portion.
    Type: Grant
    Filed: February 9, 2022
    Date of Patent: December 5, 2023
    Assignee: MAKITA CORPORATION
    Inventor: Yoshitaka Machida
  • POWER TOOL
    Publication number: 20230381942
    Abstract: A power tool includes a motor including a stator and a rotor rotatable relative to the stator about a rotation axis, a gear drivable in response to rotation of the rotor, a motor compartment accommodating the motor, a rear cover covering a rear opening in the motor compartment, a gear case accommodating the gear and covering a front opening in the motor compartment, a first screw fastening the rear cover and the motor compartment together, and a second screw fastening the motor compartment and the gear case together, and at a different position from the first screw in a plane orthogonal to the rotation axis.
    Type: Application
    Filed: August 14, 2023
    Publication date: November 30, 2023
    Applicant: MAKITA CORPORATION
    Inventors: Kihiro KUSUMOTO, Kenji ABE
  • Reciprocating tool
    Patent number: 11831224
    Abstract: A reciprocating tool includes a motor, a reciprocating member, and a crank mechanism. The motor is disposed in a housing. The reciprocating member projects from the housing. The crank mechanism converts rotation of a rotation shaft of the motor into reciprocation of the reciprocating member. The crank mechanism rotates around an axis in a lateral direction by rotation transmission from the rotation shaft, and the crank mechanism includes a crank member having an eccentric pin, a connecting rod coupling the eccentric pin to the reciprocating member, and a balancer coupled to the eccentric pin, and the balancer is supported by the eccentric pin alone in the housing.
    Type: Grant
    Filed: December 27, 2022
    Date of Patent: November 28, 2023
    Assignee: MAKITA CORPORATION
    Inventors: Ryosuke Hara, Tomohiro Ukai