Patents Assigned to Makita
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Publication number: 20240082999Abstract: One aspect of the present disclosure provides an electric power tool including an output shaft, a motor, a manual switch, a memory device, a first circuit, and a second circuit distinct from the first circuit. The memory device stores two or more sets of job information. Each of the two or more sets of job information includes at least one operation setting of the motor for performing an associated tightening operation. The first circuit (i) receives one set of job information and (ii) drives the motor in accordance with the at least one operation setting included in the one set of job information based on the manual switch being or having been manually operated. The second circuit outputs a next set of job information from the memory device to the first circuit based on the first circuit having completed driving the motor.Type: ApplicationFiled: September 1, 2023Publication date: March 14, 2024Applicant: MAKITA CORPORATIONInventors: Yuta IZUTSU, Hirokatsu YAMAMOTO, Yusuke FURUYA
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Publication number: 20240082994Abstract: Durability deterioration caused by a shock load is effectively reduced. An impact driver includes a motor, a carrier including a reduction assembly and rotatable by the motor, a shaft that receives rotation of the carrier and is rotatable relative to the carrier in an overloaded state, a hammer held by the shaft, and an anvil that is struck by the hammer in a rotation direction.Type: ApplicationFiled: November 16, 2023Publication date: March 14, 2024Applicant: MAKITA CORPORATIONInventor: Yasuhito KAWAI
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Publication number: 20240085004Abstract: An illumination system includes a light and a holder. The light includes: an illumination part from which light is emitted; a fixing part connected to the illumination part; and a battery mounting part to and from which a battery pack is attached and detached. The holder includes: a holder body; an attachment part connected to the holder body and to be attached to a subject; and an annular clamp unit connected to the holder body and disposed around the fixing part.Type: ApplicationFiled: September 5, 2023Publication date: March 14, 2024Applicant: MAKITA CORPORATIONInventors: Isao YASUDA, Louie Siu Heng CHAN
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Publication number: 20240082973Abstract: An impact tool includes a housing, an impact mechanism unit, a motor, and a dust collection fan. The housing is configured to mount a dust collection attachment. The impact mechanism unit is disposed inside the housing. The impact mechanism unit has a front end to which a tool bit is mounted and an impact element that reciprocates. The impact mechanism unit is configured to impact the tool bit by the impact element. The motor is disposed such that a rotation shaft of the motor intersects with an impact axis direction of the impact mechanism unit inside the housing. The dust collection fan is disposed on the rotation shaft. The dust collection fan is disposed below the motor.Type: ApplicationFiled: November 22, 2023Publication date: March 14, 2024Applicant: MAKITA CORPORATIONInventors: Kiyonobu YOSHIKANE, Hiroki TAKESASHI
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Patent number: 11926031Abstract: An electric work machine includes a motor, a manipulator, a first switch, a second switch, and a control circuit. The manipulator is on-operated or off-operated by a user of the electric work machine. Each of the first switch and the second switch is turned on or off in response to the manipulator being on-operated or off-operated. The control circuit executes a motor control process in accordance with a computer program. The control circuit receives first switch information from the first switch, and receives second switch information from the second switch. The motor control process outputs a drive command for driving the motor in response to the first switch information and the second switch information indicating that the manipulator is on-operated.Type: GrantFiled: December 20, 2019Date of Patent: March 12, 2024Assignee: MAKITA CORPORATIONInventors: Akihiro Nakamoto, Hitoshi Suzuki
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Patent number: 11925307Abstract: A rechargeable cleaner includes a body, a rechargeable battery, a charger, and a body controller. The body is configured to generate suction power capable of sucking dust together with air using a motor. The rechargeable battery is configured to supply electric power to the motor. The charger is configured to charge the battery. The body controller is disposed in the body. The body controller controls at least one of a charging current and a charging voltage based on cell voltage information indicating a cell voltage, cell temperature information indicating a cell temperature, and battery identification information for identifying the battery that are acquired from the battery, and based on charger identification information for identifying the charger acquired from the charger.Type: GrantFiled: May 23, 2019Date of Patent: March 12, 2024Assignee: MAKITA CORPORATIONInventors: Ryuji Mitsui, Tadahiko Kobayakawa, Takuya Umemura, Toru Yamada, Mamoru Sakai
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Patent number: 11926030Abstract: A power tool includes a motor, a driving mechanism, a main housing, a handle housing, a first guide part and a second guide part. The handle housing is movable relative to the main housing at least in a front-rear direction. The first and second guide parts are configured to guide relative sliding between the main housing and the handle housing in the front-rear direction. Each of the first guide part and the second guide part includes a first engagement part and a second engagement part engaged with each other to be slidable in the front-rear direction. The main housing has the first engagement part. The handle housing has the second engagement part. The second guide part is spaced apart from the first guide part and located rearward of the first guide part in the front-rear direction.Type: GrantFiled: August 9, 2021Date of Patent: March 12, 2024Assignee: MAKITA CORPORATIONInventors: Kiyonobu Yoshikane, Yoshiro Tada
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Publication number: 20240075515Abstract: A rebar tying robot may include a rebar tying unit, a conveying unit, and a control unit. The conveying unit may include a longitudinal movement mechanism, a lateral movement mechanism, and a first three-dimensional distance sensor. The control unit may be configured to execute a first rebar extraction process in which the control unit extracts point clouds from point clouds included in the first point cloud data, a first judgement process in which the control unit judges whether the primary rebar exists within a predetermined judgement area based on the point clouds extracted in the first rebar extraction process, and a lateral movement process in which the control unit drives the lateral movement mechanism. When the control unit judges in the first judgement process that the primary rebar does not exist within the judgement area, the control unit may execute the lateral movement process.Type: ApplicationFiled: December 16, 2021Publication date: March 7, 2024Applicant: MAKITA CORPORATIONInventor: Kengo ONODA
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Publication number: 20240075603Abstract: A rotary hammer selectively operates in multiple modes including a first mode and a second mode. The rotary hammer includes a switch, a motor, a switch manipulation member, a locking member, and a mode detecting device. The switch manipulation member includes a body, and a protrusion that is movable between a protruding position and a retracted position. The body houses a solenoid configured to operate based on a detection result of the mode detecting device. The locking member is movable between an unlock position and a lock position where the locking member holds the switch manipulation member in an ON position by abutting the protrusion in the protruding position. The protrusion is integrated with a plunger of the solenoid. The protrusion is configured to be in the protruding position when the present mode is the first mode, and in the retracted position when the present mode is the second mode.Type: ApplicationFiled: August 14, 2023Publication date: March 7, 2024Applicant: MAKITA CORPORATIONInventors: Hajime TAKEUCHI, Kei WATANABE
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Publication number: 20240075609Abstract: A power tool is less likely to have lower workability. A power tool includes a motor including a rotor rotatable about a rotation axis extending in a front-rear direction and a stator, an output unit located frontward from the motor and rotatable in response to a rotational force from the rotor, a motor compartment accommodating the motor, a grip extending downward from the motor compartment, a rear rotor bearing supporting a rear portion of the rotor, and a rear cover covering an opening at a rear end of the motor compartment and holding the rear rotor bearing. The motor compartment includes a guide that guides the rear cover in a first circumferential direction and frontward, a front-rear restrictor that restricts front-rear movement of the rear cover, and a circumferential restrictor that restricts circumferential movement of the rear cover.Type: ApplicationFiled: August 17, 2023Publication date: March 7, 2024Applicant: MAKITA CORPORATIONInventors: Ding ZHAO, Yuta SUZUKI, Tomoya HATTORI
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Patent number: 11920686Abstract: A driving tool includes a chamber to store compressed air and a relief valve in communication with the chamber. The relief valve includes an inflow channel communicating with the chamber and an outflow channel with a larger diameter formed at a downstream side of the inflow channel. A valve stem moves along the inflow channel. An O-ring to seal the inflow channel is attached in an annular groove of the valve stem. Air release channels are defined in the valve stem. Each air release channel includes an inlet that opens to an inner circumferential chamber and an outlet that opens to the outflow channel to allow the compressed air to be discharged from the inner circumferential chamber to the outflow channel when the O-ring moves toward the outflow channel and moves beyond the inflow channel due to the internal pressure of the chamber.Type: GrantFiled: July 29, 2022Date of Patent: March 5, 2024Assignee: MAKITA CORPORATIONInventor: Ken Arata
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Patent number: 11919138Abstract: An impact tool (1) includes: a motor (10); an impact mechanism (15), which is rotatable about an output rotational axis (BX) and is driven by the motor; an anvil (16) having an anvil shaft (113) disposed forward of the impact mechanism; and at least one anvil projection (114) protruding radially outward from a rear-end portion of the anvil shaft and configured to be impacted by the impact mechanism in a rotational direction; a hammer case (6) housing the impact mechanism; a main-body housing (2) disposed rearward of, and fixed to, the hammer case; a grip housing (3) having at least a portion disposed rearward of the main-body housing, the grip housing being coupled to the main-body housing so as to be movable relative to the main-body housing; and at least one vibration-isolating member (138, 139) disposed between the main-body housing and the grip housing.Type: GrantFiled: October 5, 2022Date of Patent: March 5, 2024Assignee: MAKITA CORPORATIONInventor: Tatsuo Nakashima
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Publication number: 20240066680Abstract: An auxiliary grip for an impact tool capable of enhancing a shock absorbing function, comprising a grip shaft extending orthogonally to the impact direction, a tubular grip body covering the grip shaft, and a connecting mechanism for connecting the grip body at one end of the grip shaft.Type: ApplicationFiled: June 29, 2023Publication date: February 29, 2024Applicant: MAKITA CORPORATIONInventors: Hajime TAKEUCHI, Yoji INOUE, Hiroki TAKESASHI
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Publication number: 20240066672Abstract: A driving tool has a configuration for preventing deviation of a driving posture of driving members from intended position during a use. The driving tool has a guide member supplied to a driving passage and a relief passage for an engagement portion of a driver to pass. The relief passage is therefore blocked by the guide member, stabilizing a driving posture of the driving member. The guide member is then pushed by a lowermost engagement portion of the driver so as to be retreaded from the relief passage, thereby allowing the engagement portion to move downward in the relief passage.Type: ApplicationFiled: July 27, 2023Publication date: February 29, 2024Applicant: MAKITA CORPORATIONInventors: Nobuyuki HOSHIYAMA, Masaya NAGAO
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Publication number: 20240066678Abstract: 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: ApplicationFiled: November 9, 2023Publication date: February 29, 2024Applicant: MAKITA CORPORATIONInventors: Takafumi KOTSUJI, Shin NAKAMURA, Akira MIZUTANI, Masatoshi NAKAHAMA, Yoshihiro OZEKI
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Publication number: 20240066586Abstract: A rebar tying robot may include a rebar tying unit, a conveying unit configured to convey the rebar tying unit, and a control unit configured to control the conveying unit. The conveying unit may include a longitudinal movement mechanism configured to move the rebar tying robot in a front-rear direction and a first three-dimensional distance sensor configured to output first point cloud data which represents a three-dimensional position of a subject in a first field of view by point clouds. The control unit may be configured to execute a first rebar extraction process in which the control unit extracts point clouds from the point clouds included in the first point cloud data and an intersection location identification process in which the control unit identifies a position where the primary rebar and the secondary rebar intersect based on the point clouds extracted in the first rebar extraction process.Type: ApplicationFiled: December 16, 2021Publication date: February 29, 2024Applicant: MAKITA CORPORATIONInventors: Kengo ONODA, Kazuki OGUCHI
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Patent number: 11911881Abstract: A rotary tool includes a motor having an axis of rotation extending in a forward-rearward direction of the rotary tool. A grip part is located below the axis of rotation in an up-down direction that is perpendicular to the forward-rearward direction. A planet gear is configured to be driven by the motor. An internal gear meshes with the planet gear and is movable in the forward-rearward direction to change a speed. A sun gear meshes with the planet gear, and an output shaft is configured to be rotationally driven by the sun gear. A sensor is configured to detect the forward-rearward movement of the internal gear, the sensor being disposed downward of the sun gear in the up-down direction.Type: GrantFiled: April 28, 2023Date of Patent: February 27, 2024Assignee: MAKITA CORPORATIONInventors: Yuta Araki, Motohiro Omura, Akira Ito
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Patent number: 11913633Abstract: A power tool includes: a motor; an output shaft that is rotated by a rotational force of the motor; a chip-on-board light emitting diode disposed around the output shaft; and a suppression device configured to suppress a temperature of the chip-on-board light emitting diode to a predetermined allowable value or less.Type: GrantFiled: March 31, 2023Date of Patent: February 27, 2024Assignee: MAKITA CORPORATIONInventors: Makoto Chikaraishi, Akihiro Hozumi, Kazunori Kinoshita
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Patent number: D1015840Type: GrantFiled: July 5, 2022Date of Patent: February 27, 2024Assignee: MAKITA CORPORATIONInventors: Tomonori Kawase, Tomoyuki Kondo
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Patent number: D1015841Type: GrantFiled: February 4, 2022Date of Patent: February 27, 2024Assignee: MAKITA CORPORATIONInventors: Tian Peng Sun, Chun Lai Yang