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公开(公告)号：US20150328759A1
公开(公告)日：2015-11-19
申请号：US14714719
申请日：2015-05-18
Applicant: MAKITA CORPORATION
Inventor： Hiroki IKUTA , Yoshitaka MACHIDA , Masanori FURUSAWA
CPC classification number: B25D17/24 , B25D11/04 , B25D11/12 , B25D17/043 , B25D2211/003 , B25D2211/068 , B25D2217/0088 , B25D2217/0092 , B25D2250/121 , B25D2250/175 , B25D2250/245 , B25D2250/275 , B25D2250/371
Abstract: An electrical hammer (100) comprises a main housing (101), a hand grip (500) connected to the main housing (101) via a compression coil spring (321). In the electrical hammer (100), a hammer bit (119) is driven by a first motion converting mechanism (120) and thereby a hammering operation is performed. During the hammering operation, the hand grip (500) is moved against the main housing (101) in a state that biasing force of the compression coil spring (321) is applied on the hand grip (500). Further, the electrical hammer (100) comprises a second motion converting mechanism (220) which drives a counterweight (231).
Abstract translation: 电锤（100）包括主壳体（101），通过压缩螺旋弹簧（321）连接到主壳体（101）的手柄（500）。 在电锤（100）中，锤头（119）由第一运动转换机构（120）驱动，从而进行锤击操作。 在锤击操作期间，手柄（500）在压紧螺旋弹簧（321）的施加力被施加在手柄（500）上的状态下抵靠着主壳体101移动。 此外，电锤（100）包括驱动配重（231）的第二运动转换机构（220）。
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公开(公告)号：US20130157550A1
公开(公告)日：2013-06-20
申请号：US13710772
申请日：2012-12-11
Applicant: MAKITA CORPORATION
Inventor： Hiroki IKUTA
IPC: B24B55/05
CPC classification number: B24B55/052 , B24B23/028
Abstract: A grinder includes a body having an annular portion, a wheel cover which is attachable to the annular portion, and a wheel cover holding member which holds the wheel cover. The wheel cover has a cylindrical portion which is attachable to the annular portion. The wheel cover holding member has a slide member and a pressing portion which moves the slide member. The pressing portion switches a state between an engagement state in which the slide member is engaged with the cylindrical portion and a disengagement state in which the slide member is disengaged with the cylindrical portion by moving the slide member. The pressing member moves on a second line which is parallelly offset from a first line passing the center of the annular portion in a predetermined direction.
Abstract translation: 研磨机包括具有环形部分的主体，可附接到环形部分的轮盖，以及保持轮罩的轮盖保持部件。 轮罩具有可附接到环形部分的圆柱形部分。 轮盖保持构件具有滑动构件和使滑动构件移动的按压部。 按压部分通过移动滑动构件而在滑动构件与圆柱形部分接合的接合状态和滑动构件与圆柱形部分脱离的分离状态之间切换状态。 按压构件在与通过环形部分的中心的第一线沿预定方向平行地偏移的第二线上移动。
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公开(公告)号：US20200282539A1
公开(公告)日：2020-09-10
申请号：US16794512
申请日：2020-02-19
Applicant: MAKITA CORPORATION
Inventor： Hiroki IKUTA , Akira MIZUTANI
Abstract: A work tool includes a housing, a spindle, a clamp shaft, a biasing member, an operation member, a motion-converting mechanism and a pushing-down member. The spindle is supported to be rotatable around a driving axis. The clamp shaft is movable in the up-down direction relative to the spindle. The biasing member is configured to bias the clamp shaft upward relative to the spindle so as to apply to the clamp shaft a clamping force for clamping a tool accessory between a head part of the clamp shaft and a lower end portion of the spindle. The motion-converting mechanism is configured to move the pushing-down member in the up-down direction along with turning of the operation member around the driving axis. The pushing-down member is configured to be moved downward so as to push the tool accessory downward when the operation member is turned in a first direction.
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公开(公告)号：US20190283111A1
公开(公告)日：2019-09-19
申请号：US16465130
申请日：2017-11-24
Applicant: MAKITA CORPORATION
Inventor： Yuki KAWAI , Michisada YABUGUCHI , Hiroki IKUTA , Toshihito YABUNAKA
Abstract: A fastening tool includes a fastener-abutment part, a pin-gripping part, a motor, a driving mechanism, an input-accepting part and a motor-control part. The fastener-abutment part is configured to abut on a cylindrical part of a fastener. The pin-gripping part is configured to grip a portion of a pin of the fastener. The driving mechanism is configured to be driven by power of the motor to move the pin-gripping part rearward along a driving axis relative to the fastener-abutment part, thereby fastening a workpiece via the fastener. The input-accepting part is configured to accept setting information for a control condition of the motor inputted via an operation part configured to be externally operated by a user. The motor-control part is configured to control operation of the driving mechanism by controlling driving of the motor according to the control condition based on the setting information accepted by the input-accepting part.
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公开(公告)号：US20180229350A1
公开(公告)日：2018-08-16
申请号：US15891696
申请日：2018-02-08
Applicant: MAKITA CORPORATION
Inventor： Yosuke NAOI , Takashi NAKANE , Hiroki IKUTA
CPC classification number: B25B21/007 , B25B17/02 , B25B21/00 , B25B21/002 , B25B23/0007 , B25B23/0014 , B25B23/0035 , B25B23/0078 , F16D3/16 , F16H1/28 , F16H1/46 , F16H57/08
Abstract: An attachment includes a planetary reducer, a reaction force receiving member, and a universal joint. The planetary reducer has a first output shaft and a second output shaft connectable to a socket. The reaction force receiving member is connected to the first output shaft and has an arm part for contact with an external contact object. The universal joint has an input-side end part connectable to a final output shaft of a fastening tool and an output-side end part connected to the planetary reducer. The reaction force receiving member is configured to rotate integrally with the first output shaft in a direction opposite to the second output shaft by a reaction force caused by rotation of the socket. The universal joint is configured to transmit the torque inputted from the final output shaft via the input-side end part, to the planetary reducer via the output-side end part.
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Patent Agency Ranking
公开(公告)号：US20160059401A1
公开(公告)日：2016-03-03
申请号：US14835228
申请日：2015-08-25
Applicant: MAKITA CORPORATION
Inventor： Hiroki IKUTA
IPC: B25F5/00
CPC classification number: B25F5/001
Abstract: It is an object to provide a novel technique for releasing an intervening member of a driving member. A representative screwdriver is provided with a motor and a driving mechanism. The driving mechanism has a spindle, a lock sleeve, rollers, a driving gear, a retainer and a spring receiver. When driven with the rollers held between the lock sleeve and the driving gear, the spindle is rotated in a normal direction. The lock sleeve has an inclined part and the retainer has an inclined part. The lock sleeve and the retainer move with respect to each other in the axial direction and the circumferential direction by sliding contact between the inclined parts. This relative movement in the circumferential direction is utilized to release the holding of the rollers.
Abstract translation: 本发明的目的是提供一种用于释放驱动构件的中间构件的新技术。 具有代表性的螺丝刀具有马达和驱动机构。 驱动机构具有主轴，锁定套筒，滚子，驱动齿轮，保持器和弹簧接收器。 当被保持在锁定套筒和驱动齿轮之间的辊驱动时，主轴沿正常方向旋转。 锁定套筒具有倾斜部分，并且保持器具有倾斜部分。 锁定套筒和保持器通过倾斜部分之间的滑动接触在轴向和圆周方向上相对于彼此移动。 利用圆周方向的这种相对运动来释放辊的保持。
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公开(公告)号：US20130213684A1
公开(公告)日：2013-08-22
申请号：US13768653
申请日：2013-02-15
Applicant: MAKITA CORPORATION
Inventor： Hiroki IKUTA
IPC: B25F5/00
CPC classification number: B25F5/001 , A61B17/142 , B24B23/04 , B27B19/006
Abstract: An electric oscillating tool (100) which actuates a tool (200) around a spindle (120) is provided. The electric oscillating tool (10) comprises a motor (110), the spindle (120) which is driven by the motor (110), and a driving transmission member which transmits a rotational output of the motor (110) to the spindle (120). The driving transmission member includes an eccentric moving member, a driven arm (114), a spindle connecting arm (115), and a pin (116) which connects the driven arm (114) and the spindle connecting arm (115) in a relatively rotatable manner. The eccentric moving member comprises an eccentric shaft (112) which moves eccentrically around a rotational shaft of the motor (110), a first bearing (113a), and a second bearing (113b).
Abstract translation: 提供一种围绕心轴（120）致动工具（200）的电动摆动工具（100）。 电动摆动工具（10）包括电动机（110），由电动机（110）驱动的主轴（120）和将电动机（110）的旋转输出传递到主轴（120）的驱动传递部件 ）。 驱动传递部件包括偏心移动部件，从动臂（114），主轴连接臂（115）和将从动臂（114）和主轴连接臂（115）相对连接的销（116） 可旋转的方式。 偏心移动构件包括围绕电动机（110）的旋转轴偏心运动的偏心轴（112），第一轴承（113a）和第二轴承（113b）。
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公开(公告)号：US20230226588A1
公开(公告)日：2023-07-20
申请号：US18074776
申请日：2022-12-05
Applicant: MAKITA CORPORATION
Inventor： Koichi YAKABE , Hiroki IKUTA
IPC: B21D41/02
CPC classification number: B21D41/028
Abstract: A tube expansion tool that expands an end portion of a synthetic resin made fluid pipe includes an electric motor that is housed in a main body housing. A screw shaft is located in the main body housing and is movable in a front-rear direction. A female screw member is configured to move the screw shaft in the front-rear direction by engaging with and rotating around the screw shaft. A gear that engages the female screw member transmits a rotation output of the output shaft of the electric motor to the female screw member. A wedge extends forward from the screw shaft. A plurality of jaws are coupled to the main body housing so as to be openable/closable. When the wedge moves forward integrally with the screw shaft, the plurality of jaws are pushed by the wedge so as to be opened radially outward relative to each other.
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公开(公告)号：US20230124236A1
公开(公告)日：2023-04-20
申请号：US17948367
申请日：2022-09-20
Applicant: MAKITA CORPORATION
Inventor： Hiroki IKUTA , Takumi HAYASHI
Abstract: A screw-tightening tool includes a housing, a motor, a spindle, a first clutch and a second clutch. The first clutch is operably coupled to an output shaft and the spindle, and is configured to transmit power from the output shaft to the spindle only when the output shaft is rotationally driven in a first direction. The second clutch is operably coupled to the output shaft and the spindle, and is configured to transmit the power from the output shaft to the spindle only when the output shaft is rotationally driven in a second direction. An output rotation speed of the spindle when the power is transmitted via the first clutch is different from an output rotation speed of the spindle when the power is transmitted via the second clutch, in response to the same rotation speed of the output shaft of the motor.
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公开(公告)号：US20220226881A1
公开(公告)日：2022-07-21
申请号：US17567190
申请日：2022-01-03
Applicant: MAKITA CORPORATION
Inventor： Hiroki IKUTA , Yosuke NAOI
Abstract: A power tool includes a motor and a gear speed reducer. The motor has a motor shaft that is rotatable in a normal direction and in a reverse direction. The gear speed reducer is operably coupled to the motor shaft. The gear speed reducer is configured such that a reduction ratio of the gear speed reducer is changed in response to a change of a rotation direction of the motor shaft.
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