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公开(公告)号：US09950415B2
公开(公告)日：2018-04-24
申请号：US14665582
申请日：2015-03-23
Applicant: MAKITA CORPORATION
Inventor： Hajime Takeuchi , Kei Watanabe , Masanori Furusawa
CPC classification number: B25D11/00 , B25D17/043 , B25D17/20 , B25D17/24 , B25D2211/003 , B25D2211/068 , B25D2217/0088 , B25D2217/0092 , B25D2250/065 , B25D2250/121 , B25D2250/371
Abstract: The representative impact tool has a motor, a driving mechanism, a body housing and a handle, and part of the motor and part of the handle are disposed on an axis of a tool accessory. The impact tool has an outer housing that is disposed to cover the outside of the body housing and connected to the body housing via an elastic element so as to be allowed to move with respect to the body housing in an axial direction of the tool accessory, and the handle is integrally connected to the outer housing. The body housing has an exposed region in which at least part of a region of the body housing corresponding to at least one of the motor and the driving mechanism, is not covered by the outer housing.
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公开(公告)号：US09573262B2
公开(公告)日：2017-02-21
申请号：US14055370
申请日：2013-10-16
Applicant: MAKITA CORPORATION
Inventor： Hajime Takeuchi , Masanori Furusawa , Yoshiro Tada
CPC classification number: B25D17/00 , B25D16/00 , B25D17/06 , B25D2211/003 , B25D2211/068 , B25D2217/0019 , B25D2250/121 , B25D2250/245
Abstract: A hammer drill serving as an impact tool is provided with a crank housing that accommodates a crankshaft, and a cylinder accommodated in the crank housing. Receiving portions that receive the cylinder which is pressed rearward are provided at multiple locations of the crank housing in the front-rear direction. At least one of the receiving portions is disposed to receive the rear-end portion of the cylinder. A portion of the cylinder, which is received by another one of the receiving portions is a circlip (circumferential member) made of a metal.
Abstract translation: 作为冲击工具的锤钻设置有容纳曲轴的曲柄壳体和容纳在曲柄壳体中的气缸。 在曲柄壳体的前后方向的多个位置处设置有接收被向后推压的气缸的接收部。 至少一个接收部分设置成接纳气缸的后端部分。 由另一个容纳部分容纳的圆筒的一部分是由金属制成的卡簧（周向构件）。
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公开(公告)号：US12172282B2
公开(公告)日：2024-12-24
申请号：US18233417
申请日：2023-08-14
Applicant: MAKITA CORPORATION
Inventor： Hajime Takeuchi , Kei Watanabe
Abstract: 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.
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公开(公告)号：US11597068B2
公开(公告)日：2023-03-07
申请号：US17473054
申请日：2021-09-13
Applicant: MAKITA CORPORATION
Inventor： Kiyonobu Yoshikane , Hajime Takeuchi , Yoshiro Tada , Masanori Furusawa , Masao Miwa , Shinji Onoda , Yoshitaka Machida
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 (160 A, 160B) defined on the handle (109) and/or the tool body (101). Each of the battery mount parts (160 A, 160B) comprises a battery engaging part (161) configured to detachably engage with battery packs (170 A, 170B) by sliding the battery packs (170 A, 170B) relative to the battery engaging part (161) in a direction perpendicular to the longitudinal direction of the tool bit (119). In a state in which at least one of the battery packs (170 A, 170B) is mounted on at least one of the battery mount parts (160 A, 160B), a length of the mounted battery in a driving axis extending direction is shorter than a length of the mounted battery in a cross direction.
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公开(公告)号：US11426838B2
公开(公告)日：2022-08-30
申请号：US16611796
申请日：2018-06-13
Applicant: MAKITA CORPORATION
Inventor： Hajime Takeuchi
Abstract: A grinder includes a brake mechanism configured to brake a spindle and an electrical actuator (a solenoid) that actuates the brake mechanism. The solenoid actuates the brake mechanism in conjunction with a turning OFF of a switch from a driving state of a motor, and releases an actuation of the brake mechanism after a lapse of a predetermined period of time from the turning OFF of the switch.
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Patent Agency Ranking
公开(公告)号：US11148272B2
公开(公告)日：2021-10-19
申请号：US16558439
申请日：2019-09-03
Applicant: MAKITA CORPORATION
Inventor： Kiyonobu Yoshikane , Hajime Takeuchi , Yoshiro Tada , Masanori Furusawa , Masao Miwa , Shinji Onoda , Yoshitaka Machida
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).
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公开(公告)号：US12025764B2
公开(公告)日：2024-07-02
申请号：US18089640
申请日：2022-12-28
Applicant: MAKITA CORPORATION
Inventor： Toshiro Hirayama , Hajime Takeuchi , Hikaru Sunabe
CPC classification number: G01V3/12 , G06F1/1637
Abstract: An embedded-object scanner device includes a housing and a sensing device, which is housed in the housing and senses one or more embedded objects embedded in a target material when moved across the target material. One or more illumination devices is provided on the housing for illuminating at least a portion of the surface of the target material.
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公开(公告)号：US11679482B2
公开(公告)日：2023-06-20
申请号：US17188009
申请日：2021-03-01
Applicant: MAKITA CORPORATION
Inventor： Masanori Furusawa , Hajime Takeuchi , Hideki Tsuji , Yoshiro Tada
IPC: B25D17/24 , B25D17/04 , H01M50/247 , H01M50/264 , H01M50/296 , B25D16/00 , B25D11/12
CPC classification number: B25D17/24 , B25D17/04 , H01M50/247 , H01M50/264 , H01M50/296 , B25D11/125 , B25D16/003 , B25D16/006 , B25D2211/068 , B25D2216/0084 , B25D2217/0073 , B25D2250/095 , B25D2250/121 , B25D2250/265 , H01M2220/30
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.
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公开(公告)号：US09950418B2
公开(公告)日：2018-04-24
申请号：US14137043
申请日：2013-12-20
Applicant: MAKITA CORPORATION
Inventor： Yasuhiro Kakiuchi , Hajime Takeuchi , Masanori Furusawa , Yoshiro Tada
CPC classification number: B25F5/02 , B25D17/00 , B25D17/20 , B25D17/24 , B25D2217/0065 , B25D2250/051 , B25D2250/065 , B25D2250/121 , B25D2250/361 , B25F5/006
Abstract: An impact tool is provided which has a driving mechanism 120, 140 that drives a tool bit 119, a motor 110 that drives the driving mechanism 120, 140, an inner housing 103 that houses the driving mechanism 120, 140, an outer housing 101 that has an internal space for housing the inner housing 103 and the motor 110, an opening 193 that leads from the outside to the internal space of the outer housing 101, and a covering member 195 that covers the opening 193.
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公开(公告)号：US12246426B2
公开(公告)日：2025-03-11
申请号：US18211009
申请日：2023-06-16
Applicant: MAKITA CORPORATION
Inventor： Hajime Takeuchi , Yoji Inoue , Masanori Furusawa
IPC: B25D16/00
Abstract: A rotary hammer includes a tool body, a tool holder, a cylinder, and a coupling member. The tool holder has a tubular shape and a longitudinal axis. The tool holder is configured to hold a tool accessory to be movable along the longitudinal axis and is supported by the tool body to be rotatable around the longitudinal axis. The cylinder extends coaxially with the tool holder and is supported by the tool body to be rotatable around the longitudinal axis. The coupling member is between the tool holder and the cylinder in a radial direction of the tool holder and is engaged with the tool holder and the cylinder to couple the tool holder and the cylinder together such that the tool holder and the cylinder integrally rotate.
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