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公开(公告)号：US20190381618A1
公开(公告)日：2019-12-19
申请号：US16416994
申请日：2019-05-20
Applicant: MAKITA CORPORATION
Inventor： Masanori FURUSAWA
Abstract: An electric power tool dust collection system includes: a hammer drill, to which a dust suction bit is mounted; a dust collection device mounted to the hammer drill and including a suction portion (introduction port), a dust collection motor, a dust collection fan rotated by drive of the dust collection motor to generate a sucking force in the introduction port, and a dust collection portion (dust box) that stores powder dust suctioned from the introduction port; and exhaust flow paths (exhaust flow path and tubular flow path) respectively formed in the hammer drill and the dust collection device to lead exhaust that has passed through the dust box to a high-temperature portion (output portion) of the hammer drill.
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公开(公告)号：US20190193224A1
公开(公告)日：2019-06-27
申请号：US16220436
申请日：2018-12-14
Applicant: MAKITA CORPORATION
Inventor： Masanori FURUSAWA , Hideki TSUJI
CPC classification number: B23Q11/0071 , B23B45/003 , B23B2270/30 , B23B2270/62 , B23Q11/0046 , B25F5/029
Abstract: A dust collector includes body, a dust-storing part, a sliding part, a dust-transfer passage, and a biasing member. The sliding part is held by the body to be slidable in a specified axial direction and has a suction port. The dust-transfer passage connects the suction port and the dust-storing part. The biasing member biases the sliding part in a first direction of the axial direction. The sliding part is configured to be normally held in an initial position in which the sliding part protrudes from the body by a specified length in the first direction, and to be moved in a second direction opposite to the first direction against the biasing force when pressed in the second direction. The dust collector includes a cushioning member configured to be interposed between the body and the sliding part in the axial direction when the sliding part is placed in the initial position.
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公开(公告)号：US20180099395A1
公开(公告)日：2018-04-12
申请号：US15727430
申请日：2017-10-06
Applicant: MAKITA CORPORATION
Inventor： Hitoshi IIDA , Masanori FURUSAWA
CPC classification number: B25D16/006 , B25D17/043 , B25D2216/0015 , B25D2216/0023 , B25D2216/0038 , B25D2250/261 , H01H9/06
Abstract: A hammer drill includes a switch, an operation member, a lock member, a mode switching member and a linked member. The operation member is normally held in an OFF position and moves to an ON position in response to an external pressing operation. The lock member moves in response to an external operation between a locking position, where the lock member is capable of locking the operation member in the ON position, and a non-locking position, where the lock member is incapable of locking the operation member. The linked member moves to an allowing position for allowing a movement of the lock member when the mode switching member is switched to a switching position corresponding to a hammer mode, and moves to an inhibiting position for inhibiting the movement of the lock member when the mode switching member is switched to a switching position corresponding to a drill mode.
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14.发明申请公开(公告)号：US20180021905A1
公开(公告)日：2018-01-25
申请号：US15608012
申请日：2017-05-30
Applicant: MAKITA CORPORATION
Inventor： Masanori FURUSAWA , Keita MORI
CPC classification number: B23Q11/0046 , B23B47/34 , B23B2270/30 , B23B2270/62 , B23Q11/0071 , B25F5/02
Abstract: A dust collection device for an electric power tool includes a main body case that includes an air exhaust port and is attachable to a hammer drill, a dust box provided therein with a filter, and a tubular sliding portion that has a base end connected to a connection port provided on the main body case, that includes a suction port at its front end, and that is slidable in a front-rear direction, and includes therein a dust collection path formed to pass from the suction port through the filter to the air exhaust port. The connection port is provided on a side surface of the main body case, and connected to a flexible hose serving as a base end of the sliding portion, and a side surface of the dust box is provided with an inlet port communicating with the connection port.
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公开(公告)号：US20170355053A1
公开(公告)日：2017-12-14
申请号：US15619015
申请日：2017-06-09
Applicant: MAKITA CORPORATION
Inventor： Masanori FURUSAWA , Hideki TSUJI
CPC classification number: B23Q11/0071 , B23Q11/0046 , B25D17/20
Abstract: A dust collector includes a main body, a sliding part, and a communication passage. The main body includes an internal region disposed between a power tool and a dust storing region. The sliding part is held by the main body so as to be slidable in a first direction while partly protruding out of the main body through an opening and partly disposed in the internal region. The communication passage extends in a second direction crossing the first direction within the internal region. When the sliding part is placed at a closest position, a distance in the first direction between the opening and an innermost end of the sliding part is longer than a distance between the opening and the communication passage. The sliding part includes an interference avoiding part configured to avoid interference with the communication passage when the sliding part is placed at the closest position.
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Patent Agency Ranking
公开(公告)号：US20160151905A1
公开(公告)日：2016-06-02
申请号：US14953180
申请日：2015-11-27
Applicant: MAKITA CORPORATION
Inventor： Yoshiro TADA , Masanori FURUSAWA , Kei WATANABE
Abstract: It is an object of the invention to provide rational structure for vibration proofing in hammering operation. A driving motor 110 and a striking mechanism 140 are provided in a first body element 101a, and a handle 109 and a battery mounting part 160 are provided in a second body element 101b. The first and second body elements 101a, 101b are moved with respect to each other via a biasing member 181 when vibration is caused by driving of the striking mechanism 140. Further, a first region 100a close to the striking mechanism 140 forms a long-distance moving region 200 in which the first and second body elements 101a, 101b move a longer distance in a longitudinal direction than in the second region 100b less close to the striking mechanism 140.
Abstract translation: 本发明的目的在于提供锤击操作中防振的合理结构。 驱动马达110和打击机构140设置在第一主体元件101a中，手柄109和电池安装部160设置在第二主体元件101b中。 当通过打击机构140的驱动引起振动时，第一和第二主体元件101a，101b经由偏置构件181相对于彼此移动。此外，靠近打击机构140的第一区域100a形成长距离 移动区域200，其中第一和第二主体元件101a，101b在纵向方向上比在靠近打击机构140的第二区域100b中移动更长的距离。
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公开(公告)号：US20160001433A1
公开(公告)日：2016-01-07
申请号：US14854869
申请日：2015-09-15
Applicant: MAKITA CORPORATION
Inventor： Masanori FURUSAWA , Yoshihiro KASUYA , Hajime TAKEUCHI
IPC: B25D17/04
CPC classification number: B25D17/043 , B25D17/24 , B25D2222/57 , B25D2250/041 , B25D2250/121 , B25D2250/245 , B25D2250/371 , B25D2250/381
Abstract: A technique for making a handle vibration-proof while avoiding size increase is provided in an impact tool. The impact tool has a striking mechanism part for driving a tool bit in its axial direction, a motor for driving the striking mechanism part, a tool body housing the motor and striking mechanism part, an outer shell housing covering part of the tool body, a handle that is integrally formed with the outer shell housing and extends transversely to the axial direction, a first handle end portion formed on one extending end of the handle, a second handle end portion formed on the other extending end of the handle, a first elastic element that connects the first handle end portion and tool body for relative movement in the axial direction, and a second elastic element that connects the second handle end portion and tool body for relative movement in the axial direction.
Abstract translation: 在冲击工具中提供了一种在避免尺寸增加的情况下进行手柄防振的技术。 冲击工具具有用于沿其轴向驱动工具钻头的打击机构部件，用于驱动打击机构部件的马达，容纳马达和打击机构部件的工具主体，覆盖工具主体部分的外壳壳体， 手柄，其与外壳壳体整体形成并且横向于轴向方向延伸;形成在手柄的一个延伸端上的第一手柄端部，形成在手柄的另一延伸端上的第二手柄端部，第一弹性 连接第一手柄端部和工具主体以沿轴向相对移动的元件，以及连接第二手柄端部和工具主体以在轴向方向上相对移动的第二弹性元件。
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公开(公告)号：US20140174777A1
公开(公告)日：2014-06-26
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.
Abstract translation: 提供一种冲击工具，其具有驱动工具钻头119的驱动机构120,140，驱动驱动机构120,140的马达110，容纳驱动机构120,140的内壳体103，外壳101 具有用于容纳内壳体103和马达110的内部空间，从外部引导到外壳体101的内部空间的开口193以及覆盖开口193的覆盖构件195。
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公开(公告)号：US20230027574A1
公开(公告)日：2023-01-26
申请号：US17842014
申请日：2022-06-16
Applicant: MAKITA CORPORATION
Inventor： Kiyonobu YOSHIKANE , Masanori FURUSAWA , Hideki TSUJI
Abstract: A structuring technique contributes to the rationalization of dispositioning parts and operability with respect to a striking tool wherein usual operation is defined as a striking operation to the downward in a state that the striking tool is downwardly dropped by the own weight of the striking tool. A striking tool is held by a pair of handles by both hands while striking operation takes place when the striking tool drops downwardly by the own weight, a drive mechanism drives an end tool in a first direction and motor, wherein the output shaft of the motor extends in a third direction defined as a thickness direction to cross the first direction and the second direction, and a battery mounting portion is disposed at the side region of the main housing in the second direction, wherein a battery to supply electricity to the motor is mounted to the battery mounting portion.
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公开(公告)号：US20220402083A1
公开(公告)日：2022-12-22
申请号：US17734604
申请日：2022-05-02
Applicant: MAKITA CORPORATION
Inventor： Hitoshi IIDA , Masanori FURUSAWA , Kei WATANABE
Abstract: A dust collection system for a power tool can collect, with an ordinary bit, dust with a flexible hose connected. A dust collection system for a power tool includes a power tool to receive a tip tool protruding frontward and including a tool body, a cylindrical first dust collection attachment attachable to the tool body and covering the tip tool over its entire circumference with the first dust collection attachment being attached, a second dust collection attachment attachable to the tool body and including a dust collector, and a flexible hose to connect the first dust collection attachment and the second dust collection attachment to collect dust sucked through the first dust collection attachment into the dust collector included in the second dust collection attachment.
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