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1. 发明授权

US11154943B2 Chainsaw 有权
公开(公告)号：US11154943B2
公开(公告)日：2021-10-26
申请号：US15450091
申请日：2017-03-06
申请人： MAKITA CORPORATION
发明人： Hideki Kachi , Koji Haneda , Masaki Sakuragi
IPC分类号： B23D57/02 , B27B17/00
摘要： Disclosed is a chainsaw capable of making it less likely that vibrations due to driving of an electric motor and a endless movement of a saw chain are transmitted to a worker, thereby enabling the worker to become less likely to be fatigued even in work using the chainsaw. The chainsaw includes an electric motor provided inside a body casing; a guide bar provided in a front portion of the body casing in such a manner as to protrude forwardly; a saw chain provided around an outer periphery of the guide bar in an endlessly movable manner, and configured to be endlessly moved along the outer periphery of the guide bar under driving of the electric motor; a handle section provided with respect to the body casing, and configured to be gripped by a worker; and an anti-vibration member interposed between the body casing and the handle section.

2. 发明授权

US09148997B2 Work apparatus 有权
标题翻译：工作装置
公开(公告)号：US09148997B2
公开(公告)日：2015-10-06
申请号：US13859911
申请日：2013-04-10
申请人： MAKITA CORPORATION
发明人： Ko Fukunaga , Masaki Sakuragi , Atsushi Yamamoto , Minoru Yamamoto
IPC分类号： A01D34/90 , A01D34/412 , A01D34/416
CPC分类号： A01D34/905 , A01D34/412 , A01D34/4165 , F16C27/066 , F16C2310/00
摘要： A work apparatus includes a drive motor, a tool head including a tool frame, a bearing, a tool shaft and a rotary tool, a frame tube with the proximal end connected to the drive motor and the distal end connected to the tool head, and a drive shaft rotatably inserted through the frame tube for transmitting the rotation of the drive motor to the rotary tool. The rotary tool is accommodated within the tool frame and is rotatable on the tool shaft, when driven by the drive shaft. The tool shaft is journaled by the bearing which is elastically supported by a flexible elastic member disposed coaxially around the bearing and interposed between the bearing and the connection of the tool frame or the frame tube. Undesirable vibrations caused by the rotation of the rotary tool will be effectively hindered from being transmitted to the frame tube.
摘要翻译：工作装置包括驱动马达，包括工具框架的工具头，轴承，工具轴和旋转工具，具有连接到驱动马达的近端的框架管和连接到工具头的远端，以及驱动轴可旋转地插入通过框架管，用于将驱动马达的旋转传递到旋转工具。旋转工具容纳在工具框架内，并且当由驱动轴驱动时可旋转工具轴上。工具轴由轴承支承，该轴承由同轴地布置在轴承周围的柔性弹性构件弹性地支撑，并且插入在轴承和工具框架或框架管的连接之间。由旋转工具的旋转引起的不良振动将被有效地阻止传递到框架管。

3. 发明授权

US11639726B2 Blower 有权
公开(公告)号：US11639726B2
公开(公告)日：2023-05-02
申请号：US17568897
申请日：2022-01-05
申请人： Makita Corporation
发明人： Masaki Sakuragi , Atsushi Yamamoto , Shinpei Inagawa
IPC分类号： F04D29/44 , F04D29/42 , F04D25/08 , A01G20/47 , A47L9/00 , F04D29/54 , F04D29/66 , A47L5/24
摘要： A blower may include a fan, a casing including a discharge port and housing the fan, and a nozzle attachable to the discharge port. The nozzle may include a nozzle tube in which air flows, and a plate member disposed within the nozzle tube. A rear end surface of the plate member may be inclined to a flow direction in which air flows within the nozzle tube.

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