Patents Assigned to Makita Corporation
  • Patent number: 11148272
    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).
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: October 19, 2021
    Assignee: MAKITA CORPORATION
    Inventors: Kiyonobu Yoshikane, Hajime Takeuchi, Yoshiro Tada, Masanori Furusawa, Masao Miwa, Shinji Onoda, Yoshitaka Machida
  • Patent number: 11153951
    Abstract: A floodlight includes a light source, a support member that supports the light source, and a fan that cools the light source by generating an air flow on a surface of the support member. The light source is supported on a front face of the support member and emits light forward with respect to the support member. The fan is disposed rearward of the support member, at a position facing the support member.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: October 19, 2021
    Assignee: MAKITA CORPORATION
    Inventors: Kazunori Tsuge, Koji Takahashi, Kosuke Komiya
  • Patent number: 11149451
    Abstract: A tying machine may include a feeding mechanism configured to feed a tying string, a battery, and a voltage detection circuit configured to detect a voltage of the battery. The feeding mechanism may include a feeding motor to which power is supplied from the battery. The tying machine may be configured to set a duty ratio for driving the feeding motor when feeding the tying string, in accordance with the voltage of the battery detected by the voltage detection circuit.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: October 19, 2021
    Assignee: MAKITA CORPORATION
    Inventors: Kunihisa Shima, Yuki Kawai
  • Patent number: 11148251
    Abstract: A grinder may include a motor; a spindle to which a grinding wheel is attached; bevel gears configured to transmit rotation of the motor to the spindle; a motor housing which houses the motor; a gear housing attached to a front side of the motor housing and housing the bevel gears; a spindle case attached to a lower side of the gear housing and rotatably supporting the spindle; a wheel cover attached to the spindle case and covering an outside of at least a part of the grinding wheel; and a stopper configured to prohibit removal of the wheel cover, wherein the stopper may be fastened together with the spindle case by a screw which fastens the spindle case to the gear housing.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: October 19, 2021
    Assignee: MAKITA CORPORATION
    Inventors: Hideharu Muto, Junya Ishikawa
  • Publication number: 20210316417
    Abstract: A cover may be used in a tool with a tip tool. The cover may include an inner cover covering at least a part of the tip tool and an outer cover covering at least a part of the inner cover. In the cover, a space between the inner cover and the outer cover may constitute a suction path through which suctioned air flows. In the cover, a shape of the suction path may be changeable by a change in a relative positional relationship between the inner cover and the outer cover.
    Type: Application
    Filed: August 1, 2019
    Publication date: October 14, 2021
    Applicant: MAKITA CORPORATION
    Inventor: Ryosuke OTANI
  • Publication number: 20210320350
    Abstract: A cooler allows easy attachment and detachment of a battery. The cooler includes a main container including a refrigeration compartment, an evaporator on the main container, a compressor and a condenser adjacent to the main container, and at least one battery mount to receive a power tool battery in a detachable manner. The at least one battery mount is adjacent to the main container and above the compressor and the condenser.
    Type: Application
    Filed: February 3, 2021
    Publication date: October 14, 2021
    Applicant: MAKITA CORPORATION
    Inventor: Atsushi HORI
  • Patent number: 11140833
    Abstract: A drive manipulation member is configured to be allowed to move to a drive position when an interlock member is at a first position and to be prohibited from moving to the drive position when the interlock member is at a second position. The drive manipulation member is supported rotatably about an axis with respect to the second housing, and is provided with first and second portions extending from the axis in different directions. The first portion is configured to be manipulated by the user. The second portion is provided with a switch operation portion configured to operate a switching unit and an interlock engaging portion configured to engage with or contact with the interlock member. The switch operation portion and the interlock engaging portion are located at different positions from each other in a direction parallel to the axis.
    Type: Grant
    Filed: February 4, 2019
    Date of Patent: October 12, 2021
    Assignee: MAKITA CORPORATION
    Inventor: Masayuki Iwase
  • Patent number: 11146087
    Abstract: An electric working machine of one aspect of the present disclosure includes a connection port, a control circuit, and/or a power supply switch. The power supply switch is provided on a power supply path extending from a battery pack connected to the connection port to the control circuit. The power supply switch maintains an ON state while a power supply permission signal is output from the battery pack to the electric working machine. The control circuit outputs an ON-command signal to the power supply switch for a specified period of time in response to loss of the power supply permission signal from the battery pack.
    Type: Grant
    Filed: May 27, 2020
    Date of Patent: October 12, 2021
    Assignee: MAKITA CORPORATION
    Inventors: Motohiro Omura, Junya Matsushita, Yoshitaka Ichikawa
  • Patent number: 11134815
    Abstract: A box-type dust collector includes a suction unit that includes a brushless motor and an air blowing fan, a battery mount portion, to which a battery pack that serves as a power source is mountable, a suction port that suctions outside air through rotation of the air blowing fan, and a filter that separates dust from the outside air which is suctioned from the suction port. The bottom surface of a tank serves as a surface for stationary placement. A handle for carriage is provided at a position directly over the center of gravity of the entire box-type dust collector with the battery pack mounted to the battery mount portion. Coupling portions to be coupled to both ends of a shoulder belt are provided at front and rear positions that are point-symmetric about the center of gravity as viewed in plan.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: October 5, 2021
    Assignee: MAKITA CORPORATION
    Inventors: Shulin Liu, Zheng Wang, Haowei Mei, Takayuki Tahara
  • Patent number: 11134816
    Abstract: A dust collector includes a tank, a main body, a suction fan, a flexible pre-filter, and a main filter. The tank includes a suction opening. The main body is fixed to an upper portion of the tank. The suction fan is disposed at the main body. The suction fan is rotated by a motor. The flexible pre-filter is housed in the tank at a lower side of the main body. The pre-filter is positioned at an upstream side of external air suctioned from the suction opening. The main filter is positioned at a downstream side of the pre-filter. The main filter has a plate shape disposed laterally.
    Type: Grant
    Filed: January 25, 2018
    Date of Patent: October 5, 2021
    Assignee: MAKITA CORPORATION
    Inventors: Takayuki Tahara, Keisuke Yamada
  • Publication number: 20210299836
    Abstract: When a driving piston starts moving upward toward its top dead center or starts moving downward, a second engaging portion engageable with a second rack of a driver is configured to receive a force. The second engaging portion of a second wheel is provided with high strength and wear resistance. Because of this configuration, a cost of production and maintenance replacement parts can be reduced, in comparison with a case where a total mechanism, including first engaging portions of a first wheel, is provided with high strength and wear resistance.
    Type: Application
    Filed: January 28, 2021
    Publication date: September 30, 2021
    Applicant: MAKITA CORPORATION
    Inventor: Norikazu BABA
  • Publication number: 20210299767
    Abstract: A portable cutting machine includes an electric motor, a base having a lower surface coming in contact with a workpiece, a cutting machine body coupled to an upper surface of the base and accommodating the electric motor, a handle on a rear portion of the cutting machine body and at least partially rearward from a rear end of the base, a blade on a left or a right of the handle and rotatable with the electric motor, and a battery attachment portion receiving a battery pack for powering the electric motor. The battery attachment portion includes an opening directed away from the blade, an attachment surface standing with respect to the base, and a rail receiver extending in the attachment surface to receive the battery pack in a detachable manner. The battery pack on the rail receiver extends laterally over a center plane of the handle.
    Type: Application
    Filed: January 25, 2021
    Publication date: September 30, 2021
    Applicant: MAKITA CORPORATION
    Inventors: Sho KUME, Koichi TSUDA
  • Publication number: 20210299813
    Abstract: An electric power tool disclosed herein may include a motor; a power transmission mechanism connected to the motor; a housing that houses the motor and the power transmission mechanism; a tip tool holder connected to the power transmission mechanism; a cover covering the tip tool holder partially; a first locking mechanism configured to switch between a first locking state and a first unlocked state; and a second locking mechanism configured to switch between a second locking state and a second unlocked state. In the electric power tool, the cover may become detachable from the housing when the user performs the second unlocking operation on the second locking mechanism and the first unlocking operation on the first locking mechanism.
    Type: Application
    Filed: August 1, 2019
    Publication date: September 30, 2021
    Applicant: MAKITA CORPORATION
    Inventors: Kenichi TABUSHI, Akira MIZUTANI, Ken GOTO, Kenji SHIBATA, Hideharu MUTO, Satoshi NINAGAWA, Junya ISHIKAWA, Takafumi KOTSUJI
  • Publication number: 20210306725
    Abstract: A sound output device includes a housing having an internal space, a battery mounting unit on which a battery for an electric tool is mounted, a tweeter at least part of which is disposed in the internal space, a woofer at least part of which is disposed in the internal space, and a partition member that partitions the internal space into a first space in which the tweeter is disposed and a second space in which the woofer is disposed.
    Type: Application
    Filed: June 20, 2019
    Publication date: September 30, 2021
    Applicant: MAKITA CORPORATION
    Inventor: Kazunori TSUGE
  • Publication number: 20210299761
    Abstract: A power tool has less work performance deterioration. The power tool includes a motor, a fan, a body extending in a front-rear direction and accommodating the motor and the fan, a grip extending downward from the body, a connector located frontward from the grip and extending downward from the body, a battery holder connected to a lower end of the grip and to a lower end of the connector, and an inverter board accommodated in the body to switch a current provided from a battery held by the battery holder to the motor.
    Type: Application
    Filed: January 15, 2021
    Publication date: September 30, 2021
    Applicant: MAKITA CORPORATION
    Inventors: Hidenori NAGASAKA, Tomohiko IMAE
  • Patent number: 11133766
    Abstract: An electric working machine in one aspect of the present disclosure includes a driving device, a controller, a control power source, and an operation state determiner. The control power source includes a first converter and a second converter. The control power source transitions to a first conversion state when the operation state determiner determines that the controller is in a control operation state. The control power source in the first conversion state supplies a first control current to the controller. The control power source transitions to a second conversion state when the operation state determiner determines that the controller is in a low power operation state. The control power source in the second conversion state (i) stops operation of the first converter, and (ii) supplies a second control current to the controller.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: September 28, 2021
    Assignee: MAKITA CORPORATION
    Inventors: Hitoshi Suzuki, Akihiro Nakamoto
  • Patent number: 11123849
    Abstract: In driving tools that perform driving actions on the condition that both the trigger and contact arm are activated, when the reference time t is reached after the trigger is activated, the power supply to the actuator is cut off, thereby allowing the contact arm stopper element to be moved to the lock position. The lock arm prohibits activation of the contact arm. The quicker motion of the actuator achieves a smoother transition to the locked state.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: September 21, 2021
    Assignee: MAKITA CORPORATION
    Inventors: Naoharu Ishikawa, Noriyuki Nishido
  • Patent number: 11128010
    Abstract: A battery pack may include a battery cell; a first lead plate electrically connected to a first end of the battery cell; and a first outer waterproof sheet arranged along the first lead plate and covering the first lead plate from outside. The first lead plate may include an opening, and the first outer waterproof sheet may include a ring-shaped projection formed on an inner surface of the first outer waterproof sheet. The ring-shaped projection may project toward the first lead plate and surround the opening of the first lead plate.
    Type: Grant
    Filed: November 6, 2019
    Date of Patent: September 21, 2021
    Assignee: MAKITA CORPORATION
    Inventor: Hideyuki Taga
  • Publication number: 20210283758
    Abstract: A power tool includes a motor, a housing, a battery holder and a cushion. The battery holder is held by the housing to be movable at least in a first direction relative to the housing. The battery holder is configured to removably receive a battery for supplying electric power to the motor. The cushion is held by the housing such that the first direction intersects the cushion. When the battery is attached to the battery holder, the cushion is directly or indirectly disposed between the battery and the housing.
    Type: Application
    Filed: March 1, 2021
    Publication date: September 16, 2021
    Applicant: MAKITA CORPORATION
    Inventors: Masanori FURUSAWA, Hajime TAKEUCHI, Hideki TSUJI, Yoshiro TADA
  • Patent number: D931073
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: September 21, 2021
    Assignee: MAKITA CORPORATION
    Inventors: Wataru Suzuki, Kenta Tominaga