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公开(公告)号：US20230182270A1
公开(公告)日：2023-06-15
申请号：US18060103
申请日：2022-11-30
Applicant: MAKITA CORPORATION
Inventor： Tokuo HIRABAYASHI , Haruki TEJIMA , Kazuma AOKI , Kazunori KINOSHITA
Abstract: An impact tool includes: a brushless motor; a spindle, which is rotated by the brushless motor; a hammer, which is held on the spindle; an anvil, which is impacted in a rotational direction by the hammer; a polymer housing, which houses the brushless motor; a hammer case, which is connected to the polymer housing and houses the hammer and the spindle; and a light unit, which is held on the hammer case and comprises a plurality of light-emitting devices. The maximum tightening torque of the anvil is 1,000 N·m or more and 2,500 N·m or less.
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公开(公告)号：US20250129885A1
公开(公告)日：2025-04-24
申请号：US18906606
申请日：2024-10-04
Applicant: MAKITA CORPORATION
Inventor： Satoshi TSUJI , Hidefumi HAGIWARA , Kazunori KINOSHITA
Abstract: A grease discharge device includes a grounded-type tank, a lid, a pump unit, and an attachable and detachable battery. The grounded-type tank is configured to store grease with an opening at an upper part of the tank. The lid closes the opening. The pump unit is connected to the lid. The pump unit suctions the grease in the tank and discharges the grease to an outside of the tank by driving of a motor. The attachable and detachable battery drives the motor.
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公开(公告)号：US20240326205A1
公开(公告)日：2024-10-03
申请号：US18613290
申请日：2024-03-22
Applicant: MAKITA CORPORATION
Inventor： Kazunori KINOSHITA , Takeshi KAMIYA , Yumiko NODA
CPC classification number: B25B21/026 , B25B23/0035 , B25F5/02
Abstract: An impact wrench includes: a brushless motor comprising a stator and a rotor, which rotates relative to the stator, an impact mechanism, which is rotated by the rotor, an anvil, which is impacted by the impact mechanism; and one or more battery-mounting parts, on which one or more battery packs is (are respectively) mounted. The maximum fastening torque of the anvil is 3,200 N·m or more.
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Patent Agency Ranking
公开(公告)号：US20230166387A1
公开(公告)日：2023-06-01
申请号：US18051613
申请日：2022-11-01
Applicant: MAKITA CORPORATION
Inventor： Tomoro AOYAMA , Kazunori KINOSHITA
IPC: B25B21/02 , B25B23/147
CPC classification number: B25B21/02 , B25B23/1475 , B25F5/001
Abstract: An impact tool (1) includes: a motor (4); a spindle (6), which is disposed forward of the motor and is rotated by the motor; a hammer (33), which is supported by the spindle; an anvil (8), which is impacted in a rotational direction by the hammer; a motor housing (14), which houses the motor; a grip housing (15), which extends downward from the motor housing; and a battery-holding housing (16), which is disposed at a lower-end portion of the grip housing and holds a battery pack (43) having a rated voltage of 18 V. The distance (Da) between a rearward-most edge of the motor housing and a frontward-most edge of the anvil is 97 mm or less.
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公开(公告)号：US20240326219A1
公开(公告)日：2024-10-03
申请号：US18613299
申请日：2024-03-22
Applicant: MAKITA CORPORATION
Inventor： Kazunori KINOSHITA , Takeshi KAMIYA
CPC classification number: B25F5/001 , B25B21/02 , B25B23/0035
Abstract: An angle impact tool includes: a brushless motor having a stator and a rotor, which rotates around a first rotational axis relative to the stator; an impact mechanism, which is rotated by the rotor; an output shaft, which is impacted by the impact mechanism and rotates around a second rotational axis; a motor housing, which houses the brushless motor; and one or more battery-mounting parts, on which one or more battery packs is (are respectively) mounted. In a front-rear direction, which is orthogonal to the second rotational axis, the impact mechanism and the output shaft are disposed more forward than the brushless motor. The front-rear direction and the output shaft are orthogonal to each other. The maximum fastening torque of the output shaft is 500 N·m or more and less than 1,000 N·m.
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公开(公告)号：US20240208013A1
公开(公告)日：2024-06-27
申请号：US18599282
申请日：2024-03-08
Applicant: MAKITA CORPORATION
Inventor： Tokuo HIRABAYASHI , Haruki TEJIMA , Kazuma AOKI , Kazunori KINOSHITA
Abstract: An impact tool includes: a brushless motor; a spindle, which is rotated by the brushless motor; a hammer, which is held on the spindle; an anvil, which is impacted in a rotational direction by the hammer, a polymer housing, which houses the brushless motor; a hammer case, which is connected to the polymer housing and houses the hammer and the spindle; and a light unit, which is held on the hammer case and comprises a plurality of light-emitting devices. The maximum tightening torque of the anvil is 1,000 N·m or more and 2,500 N·m or less.
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公开(公告)号：US20230364756A1
公开(公告)日：2023-11-16
申请号：US18303616
申请日：2023-04-20
Applicant: MAKITA CORPORATION
Inventor： Akihiro HOZUMI , Makoto CHIKARAISHI , Kazunori KINOSHITA
CPC classification number: B25B23/18 , B25B21/02 , B25F5/008 , B25F5/001 , F21V33/0084 , F21V29/503 , F21V29/70 , F21Y2115/10
Abstract: 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 white translucent optical member including a light refraction portion that refracts light emitted from the chip-on-board light emitting diode. In at least one cross section parallel to and passing through a rotation axis of the output shaft, a shape of the light refraction portion is line-symmetric with respect to the rotation axis.
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公开(公告)号：US20230182269A1
公开(公告)日：2023-06-15
申请号：US18060094
申请日：2022-11-30
Applicant: MAKITA CORPORATION
Inventor： Tokuo HIRABAYASHI , Haruki TEJIMA , Kazuma AOKI , Kazunori KINOSHITA
Abstract: An impact tool includes: a brushless motor; a spindle, which is rotated by the brushless motor; a hammer, which is held on the spindle; an anvil, which is impacted in a rotational direction by the hammer; a polymer housing, which houses the brushless motor; a hammer case, which is connected to the polymer housing and houses the hammer and the spindle; and a light unit, which is held on the hammer case and comprises a plurality of light-emitting devices. The maximum tightening torque of the anvil is 1,000 N·m or more and 2,500 N·m or less.
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