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1. 发明授权

US12051986B2 Electric working machine 有权
公开(公告)号：US12051986B2
公开(公告)日：2024-07-30
申请号：US16715813
申请日：2019-12-16
申请人： MAKITA CORPORATION
发明人： Akihiro Nakamoto , Hitoshi Suzuki
IPC分类号： H02P29/024 , A01D34/00 , A01D34/47 , A01D34/58 , A01D34/84 , A01D34/90 , H02J7/00 , H02P29/68
CPC分类号： H02P29/0241 , A01D34/006 , A01D34/47 , A01D34/58 , A01D34/84 , A01D34/90 , H02J7/00308 , H02J7/0031 , H02J7/0047 , H02P29/027 , H02P29/68
摘要： An electric working machine in one aspect of the present disclosure includes a motor, an information output circuit, a control circuit, and a drive stop circuit. The information output circuit outputs state information that indicates a state of the electric working machine. The control circuit executes a motor control process in accordance with a computer program. The drive stop circuit executes a motor stop operation. The motor stop operation includes disabling a permission to drive the motor by the control circuit to stop the motor in response to the state information indicating that the motor should be stopped. The motor stop operation is implemented by hardware.

2. 发明授权

US11844301B1 Grass trimmer with anti-sticking mechanism and method for using the same 有权
公开(公告)号：US11844301B1
公开(公告)日：2023-12-19
申请号：US18133476
申请日：2023-04-11
申请人： Yongkang Xinsen Industry and Trade Co., Ltd.
发明人： Zhifu Lin , Rongyan Luo , Yuzhu Zeng
IPC分类号： A01D34/90 , A01D34/78 , A01D34/82 , A01D101/00
CPC分类号： A01D34/90 , A01D34/78 , A01D34/824 , A01D2101/00
摘要： A grass trimmer with an anti-sticking mechanism may include a first handle, a mounting rod, and a second handle. The first handle is arranged on top of the mounting rod. The second handle is arranged on the mounting rod close to the first handle. A battery pack is arranged at a bottom end of the first handle. A machine head housing is arranged at a bottom end of the mounting rod. A first motor is arranged inside the machine head housing. A mounting shaft is on an output shaft of the first motor via a coupling. A cutting wheel is arranged at a bottom of the mounting shaft. In the present invention, outer ends of blades cut off grass wound on the mounting shaft during up-down movement of the blades, so that the mounting shaft is prevented from being stuck by the grass to improve mowing efficiency

3. 发明授权

US11723314B2 Electric working machine 有权
公开(公告)号：US11723314B2
公开(公告)日：2023-08-15
申请号：US16932160
申请日：2020-07-17
申请人： MAKITA CORPORATION
发明人： Ryosuke Ito , Nami Ishikawa
IPC分类号： A01G3/053 , A01D34/90 , A01G3/04
CPC分类号： A01G3/053 , A01D34/90 , A01G2003/0461
摘要： An electric working machine may include a support rod, a head unit, a position fixing mechanism, and a resistance member. The support rod may extend in a front-rear direction and include an attachment portion located at a front end of the support rod. The head unit may include a front tool, a motor configured to drive the front tool, and a head housing supporting the front tool and coupled to the attachment portion rotatably about a rotation axis. The position fixing mechanism may be configured to fix a rotation position of the head unit with respect to the support rod. The resistance member may be interposed between the attachment portion and the head housing with respect to a direction perpendicular to the rotation axis. The resistance member may be configured to provide a resistance force against rotation of the head unit with respect to the support rod.

4. 发明授权

US10070982B2 Link assembly, frame, and walking assistance robot 有权
公开(公告)号：US10070982B2
公开(公告)日：2018-09-11
申请号：US14599804
申请日：2015-01-19
申请人： Samsung Electronics Co., Ltd.
发明人： Yongjae Kim , Youn Baek Lee , Jongwon Lee , Byungjune Choi , Jeonghun Kim , Se-Gon Roh , Minhyung Lee , Hyun Do Choi , Sunggu Kwon , Youngdo Kwon
IPC分类号： A61F2/60 , A61F5/01 , A01D34/90 , B25J9/00 , A61F2/68 , A61H1/02 , A61F5/32 , A61H3/00
CPC分类号： A61F5/0102 , A01D34/90 , A61F2/60 , A61F2/68 , A61F5/01 , A61F5/32 , A61F2005/0141 , A61F2220/0091 , A61H1/02 , A61H1/024 , A61H1/0244 , A61H3/00 , A61H2003/007 , A61H2201/0192 , A61H2201/1207 , A61H2201/163 , A61H2201/1642 , A61H2201/165 , B25J9/00 , Y10T74/20207
摘要： A frame configured of a plurality of links pivotally connected to one another is flexibly bent, and pins that connect the plurality of links that constitute the frame are inserted into and slide in a curve-shaped slot and a slot in a vertical direction so that, even though the frame is bent, the entire length of the frame is increased and ends of the frame can be moved along a straight line that is horizontal with respect to the ground.

5. 发明授权

US09854738B2 String trimmer with adjustable guard assembly 有权
公开(公告)号：US09854738B2
公开(公告)日：2018-01-02
申请号：US14713671
申请日：2015-05-15
申请人： BLACK & DECKER, INC.
发明人： Mark D Miller , Michael Cannaliato
IPC分类号： A01D34/416 , A01D34/90
CPC分类号： A01D34/4167 , A01D34/90
摘要： The adjustable guard assembly is connected to a head assembly of a string trimmer. The adjustable guard assembly includes a housing. The housing includes a mounting portion, which connects to a motor case. The housing further includes a deck portion, which extends from the mounting portion. The deck portion has a proximal end and a distal end. A first skirt member extends along and downward from the distal end of the deck portion in a generally radially outward direction. A first blade assembly includes a first blade member, provided in the interior of the first skirt member, to engage a rotating string member.

6. 发明授权

US09730382B2 Vegetation cutting device 有权
公开(公告)号：US09730382B2
公开(公告)日：2017-08-15
申请号：US14444486
申请日：2014-07-28
申请人： BLACK & DECKER INC.
发明人： David Proudlock
IPC分类号： A01D34/00 , A01D34/78 , A01D34/90
CPC分类号： A01D34/006 , A01D34/78 , A01D34/90
摘要： A vegetation cutting device comprises: a housing; a motor mounted in the housing having a rotatable drive shaft; a gearing system comprising a rotatable output shaft, the gearing system adapted to be driven by the drive shaft; a rotatable cuffing head mounted on the output shaft; a rotation sensor module mounted in the housing and configured to detect the rotational speed of the motor and configured to output a rotational speed signal; and a control module configured to determine the rotational speed of the cutting head based on the rotational speed signal and configured to control the speed of the motor in response to the determined rotational speed of the cutting head.

7. 发明申请

US20160249527A1 GRASS CUTTER 有权
标题翻译：割草机
公开(公告)号：US20160249527A1
公开(公告)日：2016-09-01
申请号：US14970776
申请日：2015-12-16
申请人： IDECH CORPORATION
发明人： Junya ITOH , Kazuyuki KISHIMOTO
IPC分类号： A01D34/68 , A01D34/90 , A01D34/835 , A01D34/685
CPC分类号： A01D34/6812 , A01D34/685 , A01D34/76 , A01D34/8355 , A01D34/90 , A01D69/06
摘要： A body unit of a grass cutter incorporates a deceleration mechanism unit. The deceleration mechanism unit has a ring gear-side member, a sun gear-side member, a retainer board member, and a small gear. Eleven rollers mounted on the retainer board member are each provided in a gap between a ring gear-side guide and a sun gear-side guide, and engagement portions of the rollers are in contact with both the ring gear-side guide and the sun gear-side guide. The small gear engages with both a ring gear and a sun gear.
摘要翻译：割草机的主体单元包括减速机构单元。减速机构单元具有齿圈侧构件，太阳齿轮侧构件，保持架构件和小齿轮。安装在保持器板构件上的11个辊分别设置在齿圈侧引导件和太阳齿轮侧引导件之间的间隙中，并且辊的接合部分与齿圈侧引导件和太阳齿轮边指导小齿轮与齿圈和太阳齿轮啮合。

8. 发明申请

US20160183452A1 QUICK LOADING TRIMMER HEAD 审中-公开
标题翻译：快速加载修剪头
公开(公告)号：US20160183452A1
公开(公告)日：2016-06-30
申请号：US14584270
申请日：2014-12-29
申请人： Husqvarna AB
发明人： Stefan Kullberg
IPC分类号： A01D34/416 , A01D34/90
CPC分类号： A01D34/4161 , A01D34/416 , A01D34/4162 , A01D34/4163 , A01D34/90
摘要： A hand-held cutting device including an elongated member graspable along a portion thereof by an operator, a trimmer head disposed at one end of the elongated member, and a power unit operably coupled to the trimmer head to selectively cause rotation of the trimmer head, wherein the trimmer head comprises a line holding assembly to hold and selectively release the trimmer line and a housing to house the line holding assembly, wherein the line holding assembly includes a core having a first portion and a second portion, and a spool configured to hold trimmer line that is operably coupled to the core, and wherein the second portion of the core is non-rotatably fixed to the first portion of the core when the trimmer head is in an at-rest state, and is rotatable with respect to the first position of the core when the trimmer head is in an in-use state and rotating.
摘要翻译：一种手持式切割装置，包括由操作者沿其一部分可握持的细长构件，设置在细长构件的一端的修剪器头和可操作地联接到修剪器头的功率单元，以选择性地引起修剪器头的旋转，其中所述修剪器头包括用于保持和选择性地释放所述修剪器线的线保持组件和用于容纳所述线保持组件的壳体，其中所述线保持组件包括具有第一部分和第二部分的芯部，以及被配置为保持修剪线，其可操作地联接到所述芯，并且其中当所述修剪器头处于静止状态时，所述芯的所述第二部分不可旋转地固定到所述芯的所述第一部分，并且可相对于所述第一当修剪器头处于使用状态并旋转时，芯的位置。

9. 发明申请

US20160149520A1 MOTOR-POWERED APPARATUS AND METHOD OF CONTROLLING THE SAME 有权
标题翻译：电动机装置及其控制方法
公开(公告)号：US20160149520A1
公开(公告)日：2016-05-26
申请号：US14941990
申请日：2015-11-16
申请人： MAKITA CORPORATION
发明人： Tomoyuki OTA , Hiroshi NOJIRI , Takuya KUSAKAWA
IPC分类号： H02P1/22
CPC分类号： B25F5/00 , A01D34/78 , A01D34/90 , A01D2034/907
摘要： A motor-powered apparatus according to one aspect of the present disclosure comprises a motor, a drive switch, a reverse switch, and a control unit. The control unit is configured to drive the motor in a reverse direction when a drive command is inputted via the drive switch after a reverse command is inputted via the reverse switch and to drive the motor in a forward direction when the drive command is inputted again via the drive switch.
摘要翻译：根据本公开的一个方面的电动马达装置包括马达，驱动开关，反向开关和控制单元。控制单元被配置为当通过反向开关输入反向命令之后经由驱动开关输入驱动命令时驱动马达，并且当再次通过再次输入驱动命令时向前驱动马达驱动开关。

10. 发明授权

US09198347B2 Work machine having operation rod 有权
标题翻译：工作机具有操作杆
公开(公告)号：US09198347B2
公开(公告)日：2015-12-01
申请号：US14102885
申请日：2013-12-11
申请人： MAKITA CORPORATION
发明人： Tatsuya Nagahama
IPC分类号： A01D34/78 , A01D34/68 , A01D34/90 , H02P6/16
CPC分类号： A01D34/78 , A01D34/6806 , A01D34/90 , H02P6/16
摘要： A work machine includes a motor and a sensor disposed in a front unit, a motor controller disposed in a rear unit, a motor power line and a sensor signal line disposed along an operation rod, and a pair of electric connectors. The motor power line includes first and second partial motor power lines disposed along the first and second partial rods respectively. The sensor signal line includes first and second partial sensor signal lines disposed along the first and second partial rods respectively. A first electric connector includes first electric terminals, each of which is coupled with corresponding one of the first partial motor power line or the first partial sensor signal line, and a second electric connector includes second electric terminals, each of which is coupled with corresponding one of the second partial motor power line or the second partial sensor signal line.
摘要翻译：工作机械包括电动机和设置在前面单元中的传感器，设置在后部单元中的电动机控制器，电动机电力线以及沿着操作杆设置的传感器信号线和一对电连接器。马达动力线包括分别沿着第一和第二部分杆布置的第一和第二部分马达动力线。传感器信号线包括分别沿着第一和第二部分杆布置的第一和第二部分传感器信号线。第一电连接器包括第一电端子，每个电端子与第一部分电动机电源线或第一部分传感器信号线中的相应一个耦合，并且第二电连接器包括第二电端子，每个电端子与相应的一个的第二部分电动机电力线或第二部分传感器信号线。

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