Patents Assigned to Makita Corporation
  • POWER TOOL HAVING A HAMMER MECHANISM
    Publication number: 20230415321
    Abstract: A power tool having a hammer mechanism has a tool body that houses a motor and a driving mechanism and extends in a front-rear direction; a handle including a grip part that extends in an up-down direction orthogonal to the front-rear direction behind the tool body and has a lower end formed as a free end and is arranged below the driving axis; and a plurality of biasing members configured to elastically connect the tool body and the handle. The biasing members include at least one first biasing member arranged above the driving axis in the up-down direction, and at least one second biasing member arranged below the driving axis in the up-down direction. In this power tool, a biasing force of the at least one second biasing member is larger than a biasing force of the at least one first biasing member.
    Type: Application
    Filed: May 24, 2023
    Publication date: December 28, 2023
    Applicant: MAKITA CORPORATION
    Inventors: Yoshitaka MACHIDA, Taro HISANO, Kazuki NAKAGAWA
  • ELECTRIC WORK MACHINE
    Publication number: 20230415309
    Abstract: An electric work machine has less size increase. An electric work machine includes a motor including a stator and a rotor at least partially located radially inward from the stator and rotatable about a rotation axis, a spindle located frontward from the stator in a front-rear direction parallel to the rotation axis and rotatable under a rotational force generated by the rotor, and a spindle bearing supporting a rear portion of the spindle in a rotatable manner. The spindle bearing is located radially inward from the stator.
    Type: Application
    Filed: May 12, 2023
    Publication date: December 28, 2023
    Applicant: MAKITA CORPORATION
    Inventor: Yasuhito KAWAI
  • Impact wrench
    Patent number: 11850710
    Abstract: An impact wrench (1) includes: a brushless motor (11); a hammer (17) disposed frontward of, and driven by, the brushless motor; and a hammer case (16), which houses the hammer. An anvil (4) of the impact wrench includes: an arm portion (25) disposed frontward of the hammer and configured to be impacted (struck) in a rotational direction by the hammer; a cylindrical portion (30) connected to the arm portion and supported by the hammer case; a square-column portion (31) disposed frontward of the cylindrical portion; and an enlarged portion (35) disposed between the cylindrical portion and the square-column portion and enlarging in a direction extending rearward from the square-column portion. A recessed portion (37) is continuous in a circumferential direction of the cylindrical portion and is disposed between the cylindrical portion and the enlarged portion of the anvil.
    Type: Grant
    Filed: September 2, 2021
    Date of Patent: December 26, 2023
    Assignee: MAKITA CORPORATION
    Inventors: Yuya Sano, Yuki Murai, Nobuaki Shikata
  • Rebar tying tool
    Patent number: 11851898
    Abstract: A rebar tying tool may include a twisting mechanism, a body, a grip, and a control board. The twisting mechanism may include a twisting motor and a holder configured to twist a wire around rebus by operation of the twisting motor. The body may house the twisting mechanism. The grip may be disposed below the body and configured to be gripped by an operator. The control board may be configured to control the operation of the twisting motor. The control board may be disposed below a connection between the grip and the body.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: December 26, 2023
    Assignee: MAKITA CORPORATION
    Inventors: Yuta Asakura, Shunta Mizuno
  • Power tool
    Patent number: 11850720
    Abstract: A power tool includes a motor, a spindle, an inner housing, an outer housing formed by an upper member and a lower member, a pair of interposing members and a pair of elastic members. The interposing members are arranged leftward and rightward of the inner housing, respectively, and fixedly connected to a first member, which is one of the upper member and the lower member, and at least partially in contact with an inner surface of the first member. The elastic members are held between a left portion of the inner housing and one of the interposing members and between a right portion of the inner housing and the other of the interposing members, respectively. A first end portion of each of the interposing members has at least one first surface extending to be closer to the inner housing toward a tip end of the first end portion.
    Type: Grant
    Filed: October 28, 2021
    Date of Patent: December 26, 2023
    Assignee: MAKITA CORPORATION
    Inventors: Takafumi Kotsuji, Shin Nakamura, Akira Mizutani, Masatoshi Nakahama, Yoshihiro Ozeki
  • BACKPACK WORKING MACHINE
    Publication number: 20230405622
    Abstract: A backpack working machine may be configured to eject liquid. The backpack working machine may include: a body unit; and a shoulder harness unit attached to the body unit and configured to be worn on shoulders of a user. The body unit may include: a battery unit comprising a battery attaching part to which a battery is attached; a fan unit comprising a fan configured to operate on electrical power of the battery; and a liquid tank configured to store the liquid. When the backpack working machine is placed on a placement surface, a direction perpendicular to the placement surface may be defined as an up-down direction. When the backpack working machine placed on the placement surface is viewed from above, 50% or more of the battery unit, 50% or more of the fan unit, and 50% or more of the liquid tank may overlap each other.
    Type: Application
    Filed: June 15, 2023
    Publication date: December 21, 2023
    Applicant: Makita Corporation
    Inventors: Ryoji ZAMA, Yuki KOIDE
  • MIST BLOWER AND MANUFACTURING METHOD OF LIQUID NOZZLE USED FOR MIST BLOWER
    Publication number: 20230405621
    Abstract: A mist blower may include: a liquid nozzle configured to inject liquid stored in a liquid tank into an ejection tube. The liquid nozzle may include: an end surface disposed on a distal end of the liquid nozzle, an ejection opening being defined in the end surface; a side surface constituting at least a part of an outer shape of the liquid nozzle; and a corner part connecting the end surface and the side surface and constituting a corner of the liquid nozzle. At the corner part, a virtual end surface defined by extending the end surface and a virtual side surface defined by extending the side surface may intersect at a first point. Each of a distance from the first point to the end surface and a distance from the first point to the side surface may be equal to or less than 0.3 mm.
    Type: Application
    Filed: June 16, 2023
    Publication date: December 21, 2023
    Applicant: MAKITA CORPORATION
    Inventors: Tomoyuki KUTSUNA, Natsuki TANIMOTO, Ryoji ZAMA, Yuki KOIDE
  • REBAR TYING TOOL
    Publication number: 20230406558
    Abstract: A rebar tying tool may be configured to tie rebars with a wire. The rebar tying tool may include: a contact member configured to contact the wire during a tying operation in which the rebar tying tool ties the rebars with the wire. The contact member may include: a base; and a surface layer covering at least a part of a surface of the base and configured to contact the wire during the tying operation. Hardness of the surface layer may be higher than hardness of the base.
    Type: Application
    Filed: June 8, 2023
    Publication date: December 21, 2023
    Applicant: MAKITA CORPORATION
    Inventors: Hideki MATSUSHIMA, Natsumi NOTO, Kenji KOBAYASHI
  • REBAR TYING TOOL
    Publication number: 20230405664
    Abstract: A rebar tying tool may be configured to tie rebars with a wire. The rebar tying tool may include: a first cutter; and a second cutter configured to cut the wire by moving relative to the first cutter. The second cutter may include: a cutting part configured to contact and cut the wire; a first connecting part connected to a first portion of the cutting part; and a second connecting part connected to a second portion of the cutting part, the second portion being different from the first portion.
    Type: Application
    Filed: June 15, 2023
    Publication date: December 21, 2023
    Applicant: MAKITA CORPORATION
    Inventors: Yuki MURAI, Kenji KOBAYASHI, Yuta ASAKURA, DucThuan TRAN
  • CUTTER MACHINE
    Publication number: 20230405865
    Abstract: A cutter machine may include a cutter unit, a prime mover configured to drive the cutter unit, a housing including a housing body and a grip, wherein the housing body holds the cutter unit and houses the prime mover, and the grip extends from the housing body and is configured to be grasped by a user's hand, and a hand guard attached to the housing, configured to protect fingers of the user's hand grasping the grip, and being more deformable than the housing.
    Type: Application
    Filed: June 2, 2023
    Publication date: December 21, 2023
    Applicant: MAKITA CORPORATION
    Inventor: Takuma NIIYAMA
  • ATTACHMENT
    Publication number: 20230405774
    Abstract: To avoid prolonged operation time at construction sites, an attachment includes an input shaft rotatable about a first rotation axis to receive power input from a power tool, a tip socket including a recess having a socket opening, a housing having a housing opening to receive a workpiece and supporting the tip socket in a rotatable manner, a power transmission that transmits, to the tip socket, power input into the input shaft, and a front aligner that stops rotation of the tip socket with the socket opening being aligned with the housing opening.
    Type: Application
    Filed: April 19, 2023
    Publication date: December 21, 2023
    Applicant: MAKITA CORPORATION
    Inventors: Atsuya YOSHIDA, Yuya INOUE, Yukiya MATSUOKA
  • WORKING MACHINE
    Publication number: 20230405861
    Abstract: A working machine may include a working unit having a longitudinal direction in a front-back direction, an electric motor configured to drive the working unit, a control unit configured to control the electric motor, a housing including a housing body and a grip, wherein the housing body holds the working unit and houses the electric motor and the control unit, and the grip extends from the housing body and is configured to be grasped by a user's hand, a battery pack attached to the housing and configured to supply electric power to the electric motor via the control unit, and a trigger lever disposed on the grip and configured to operate the electric motor by being pulled toward the grip by a finger of the user. A front end of the control unit may be disposed rearward of a rear end of the trigger lever.
    Type: Application
    Filed: June 8, 2023
    Publication date: December 21, 2023
    Applicant: MAKITA CORPORATION
    Inventor: Takuma NIIYAMA
  • Reciprocating tool
    Patent number: 11845168
    Abstract: A reciprocating tool includes a motor, a driving mechanism, a body housing, a movable part, and a vibration control mechanism. The driving mechanism includes a reciprocating member configured to reciprocate in a first direction. The movable part is connected to the body housing via a first elastic member and a second elastic member to be relatively movable in the first direction. The vibration control mechanism includes at least one weight configured to move in a direction opposite to the reciprocating member. The center of gravity of the at least one weight is offset from the driving axis in a second direction. In the second direction, the first elastic member is closer to the center of gravity than the second elastic member. A load of the first elastic member when the movable part is placed in a closer position is smaller than a load of the second elastic member.
    Type: Grant
    Filed: October 20, 2020
    Date of Patent: December 19, 2023
    Assignee: MAKITA CORPORATION
    Inventors: Hideki Tsuji, Hajime Takeuchi, Kei Watanabe, Kazuo Muramatsu, Masahiro Maegawa
  • Hedge trimmer
    Patent number: 11844317
    Abstract: A hedge trimmer may include a body housing; a blade extending forward from a front portion of the body housing; a prime mover housed in the body housing and configured to drive the blade; a front handle disposed forward of the body housing and including a grip support and a front grip, wherein the blade is attached to the grip support and the front grip is connected to the grip support; and a rear handle connected to a rear portion of the body housing and including a rear grip. A first vibration isolator may be disposed between the grip support and the blade.
    Type: Grant
    Filed: October 6, 2020
    Date of Patent: December 19, 2023
    Assignee: MAKITA CORPORATION
    Inventor: Masahiro Suzuki
  • Blower and nozzle
    Patent number: 11846291
    Abstract: A blower includes a blower body and a nozzle. The blower body includes a housing having an inlet opening, a motor housed in the housing and at least one fan housed in the housing. The nozzle is connected to the blower body and extends in an axial direction. The nozzle has a discharge opening formed in its one end in the axial direction and at least one vent hole formed in a different position from the discharge opening.
    Type: Grant
    Filed: September 2, 2021
    Date of Patent: December 19, 2023
    Assignee: MAKITA CORPORATION
    Inventor: Fumitoshi Numata
  • Power tool
    Patent number: 11845170
    Abstract: A power tool has a motor, a rotary shaft and a housing. The rotary shaft has a first end portion on a first direction side and a second end portion on a second direction side in an axial direction of the rotary shaft. The housing is configured to store a lubricant on the first direction side of the first end portion of the rotary shaft. The rotary shaft has a first hole and a second hole. The first hole extends in the axial direction and that has a first opening in the first end portion of the rotary shaft. The second hole extends in a direction crossing an axis of the rotary shaft, that communicates with the first hole. The second hole has a second opening in an outer peripheral surface of the rotary shaft. A spiral part is provided within the first hole.
    Type: Grant
    Filed: August 22, 2022
    Date of Patent: December 19, 2023
    Assignee: MAKITA CORPORATION
    Inventors: Yoshitaka Machida, Taro Hisano
  • Impact tool
    Patent number: 11845169
    Abstract: An impact tool includes a motor, a driving mechanism, a tool body, an elastically-connected part elastically connected to the tool body to be movable at least in a front-rear direction relative to the tool body, a detecting mechanism configured to detect pressing of a tool accessory against a workpiece, and a control part configured to control driving of the motor based on a detection result of the detecting mechanism. The detecting mechanism includes a movable member that is provided in one of the tool body and the elastically-connected part and configured to be moved by relative movement of the other of the tool body and the elastically-connected part in the front-rear direction, and a detector that is provided in the one of the tool body and the elastically-connected part and configured to detect rearward pressing of the tool accessory by detecting movement of the movable member.
    Type: Grant
    Filed: June 22, 2022
    Date of Patent: December 19, 2023
    Assignee: MAKITA CORPORATION
    Inventors: Masanori Furusawa, Kanako Hirono, Kei Watanabe
  • Portable electric hammer drill body
    Patent number: D1008768
    Type: Grant
    Filed: May 20, 2022
    Date of Patent: December 26, 2023
    Assignee: MAKITA CORPORATION
    Inventors: Kazunori Hattori, Mizuki Yamamoto, Xianming Li
  • Portable electric sander body
    Patent number: D1008769
    Type: Grant
    Filed: March 9, 2022
    Date of Patent: December 26, 2023
    Assignee: MAKITA CORPORATION
    Inventors: Taiki Misawa, Chitphong Kuntheeya
  • Battery
    Patent number: D1008949
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: December 26, 2023
    Assignee: MAKITA CORPORATION
    Inventors: Wataru Suzuki, Hideyuki Taga