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公开(公告)号：US20240100650A1
公开(公告)日：2024-03-28
申请号：US18267944
申请日：2021-12-17
申请人： HUSQVARNA AB
发明人： Linus Ottosson , Andreas Jönsson
CPC分类号： B24B49/10 , B24B7/18 , B24B49/006 , B24B49/16 , B24B55/02 , B24B55/102
摘要： A floor grinder (100), comprising at least one motor (110, 120) arranged to rotatably drive one or more abrasive grinding tool holders (130), and a control unit (140) arranged to monitor an operating characteristic of the floor grinder, wherein the control unit is arranged to compare the monitored operating characteristic to a pre-determined set of operating characteristics indicative of a tool glazing condition, and to trigger an action in case the monitored operating characteristic is indicative of a tool glazing condition, wherein the control unit is arranged to monitor the operating characteristic of the floor grinder using a machine learning technique and a glazing model configured using a plurality of examples of floor grinders which have experienced various degrees of glazing.
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公开(公告)号：US11858085B2
公开(公告)日：2024-01-02
申请号：US17942379
申请日：2022-09-12
申请人： Black & Decker Inc.
IPC分类号： B24B23/02 , B24B47/00 , B25F5/02 , B24B55/10 , B24B47/12 , H01M50/519 , H01M50/296 , H01M50/244 , H01M50/247 , B24B23/00
CPC分类号： B24B23/02 , B24B47/00 , B24B47/12 , B24B55/102 , B25F5/02 , H01M50/244 , H01M50/296 , H01M50/519 , B24B23/00 , H01M50/247 , H01M2220/30
摘要： A power tool includes a housing. A motor is housed in the housing. A platen is driven by the motor. The housing includes a first housing part, a second housing part and a third housing part. The housing defines a battery receptacle portion configured to receive a removable battery pack which powers the motor. Each of the first housing part, the second housing part and the third housing part form part of the battery receptacle portion.
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公开(公告)号：US20230302606A1
公开(公告)日：2023-09-28
申请号：US18170814
申请日：2023-02-17
申请人： MAKITA CORPORATION
发明人： Katsumi OKOCHI
CPC分类号： B24B55/107 , B24B23/06
摘要： A dust box is provided that is configured to be removably mounted to a belt sander having a housing, and a discharge nozzle and a suction nozzle that are connected to the housing. The dust box has a first nozzle configured to be connected to the discharge nozzle, a second nozzle configured to be connected to the suction nozzle, a container part formed of synthetic resin and connected to the first and second nozzles, and a filter. The filter is configured to separate dust from air. The filter is provided within the container part to partition an inside space of the container part into a first space that communicates with the first nozzle and a second space that communicates with the second nozzle.
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公开(公告)号：US20230278166A1
公开(公告)日：2023-09-07
申请号：US18093523
申请日：2023-01-05
申请人： MAKITA CORPORATION
发明人： Pengfei YANG , Mingli LEI , Hideharu MUTO
CPC分类号： B24B55/102 , B24B23/02 , B26B25/002 , B25F5/008
摘要： A dust cover has improved operability for attachment and detachment. A power tool to which a disk tool is attachable includes an electric motor including a motor shaft, a housing accommodating the electric motor and having an inlet to draw outside air, a dust cover being a plate including a filter covering the inlet and being attachable to and detachable from the housing, a grip extending from the housing in a direction perpendicular to the motor shaft and located between the disk tool and the inlet in a direction in which the motor shaft extends, and a spindle coaxial with the motor shaft, protruding from an end of the housing to receive the disk tool, and rotatable by the electric motor.
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公开(公告)号：US11697086B2
公开(公告)日：2023-07-11
申请号：US17092499
申请日：2020-11-09
申请人： Guido Valentini
发明人： Guido Valentini
CPC分类号： B01D46/2411 , B01D46/0004 , B01D46/0043 , B01D46/0049 , B01D46/4227 , B01D46/4245 , B01D46/46 , B24B55/102 , B01D2273/30
摘要： The invention refers to a filter arrangement for filtering dust-laden air (7) generated by a hand-guided power tool (1), in particular a sander or a grinder, during operation of the power tool (1). The filter arrangement comprises a filter cartridge (13) having
a hollow casing (14),
a filter element (22) located inside the casing (14),
an air inlet port (15) located downstream in respect to an airflow (8) through the filter cartridge (13) and in respect to the filter element (22) and adapted to be pneumatically connected to the power tool (1) in order to allow the dust-laden air (7) generated by the power tool (1) to flow into the casing (14), and
an air outlet port (20) located upstream in respect to the airflow (8) through the filter cartridge (13) and in respect to the filter element (22), the air outlet port (20) adapted to allow filtered air (9) leave the filter cartridge (13).
It is suggested that the filter arrangement comprises an active airflow generating device (30) with a fan (40) comprising a plurality of blades (44) and driven by an electric motor (38) separate from an electric motor of the power tool (1), the airflow generating device (30) being in pneumatic connection with the air inlet port (15) of the filter cartridge (13) or with the air outlet port (20) of the filter cartridge (13) in order to generate or support the airflow (8) through the filter cartridge (13).-
公开(公告)号：US11685011B2
公开(公告)日：2023-06-27
申请号：US16605671
申请日：2018-04-11
发明人： Kevin Kuhlmann
CPC分类号： B24B23/028 , B24B51/00 , B24B55/102
摘要： An angle grinder (200), which includes a gear neck (210) for connecting a dust hood (100, 100′) equipped with a flange (90), the angle grinder (200) including a sensor unit (20), with the aid of which it is possible to detect which type of dust hood (100, 100′) is connected to the angle grinder (200), the angle grinder (200) also including rotational direction control electronics (230), which are connected by signals to the sensor unit (20) in such a way that the rotational direction (GGD, GLD) of a cutting wheel (220) of the angle grinder (200) is predefined as a function of the dust hood type detected by the sensor unit (20).
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公开(公告)号：US20230150046A1
公开(公告)日：2023-05-18
申请号：US18092700
申请日：2023-01-03
申请人： MAKITA CORPORATION
发明人： Hitoshi SUZUKI
IPC分类号： B23D59/00 , B25F5/00 , A47L9/28 , B24B23/02 , B24B55/00 , H01Q1/12 , H05K3/36 , A47L7/00 , B23Q11/00 , B24B55/10 , G08C17/02
CPC分类号： B23D59/006 , B25F5/00 , B23D59/001 , A47L9/2868 , B24B23/028 , B24B55/00 , H01Q1/12 , H05K3/36 , A47L7/0095 , A47L9/2842 , A47L9/2894 , B24B23/02 , B23Q11/0046 , B23Q11/0071 , B24B55/10 , G08C17/02 , A47L2201/06
摘要： A dust collector in one aspect of the present invention comprises a dust collection portion, a communication portion, and an interlock operation control portion. When the communication portion receives an interlock command transmitted from an electric working machine, the interlock operation control portion makes the dust collection portion operate interlocking with the electric working machine. The interlock operation control portion includes a storage portion, in which identification information specific to the electric working machine with which the dust collection portion is to be made to perform the interlock operation is stored.
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公开(公告)号：US20230084672A1
公开(公告)日：2023-03-16
申请号：US17987249
申请日：2022-11-15
发明人： Zhongquan Xu , Lingjian Shi , Tianliang Liu , Mingtan Fu , Lisong Zhang , Li Xing
IPC分类号： B24B55/10 , B24B23/04 , B24B47/12 , B24B41/047
摘要： A sanding tool includes a baseplate assembly, a housing assembly, a drive mechanism, and a fan assembly. The baseplate assembly includes a baseplate. The housing assembly includes a body housing. The housing assembly further includes a functional housing, where a hollow cavity is formed in the functional housing, the functional housing is provided with an inlet and an outlet that communicate with the hollow cavity, the inlet communicates with a dust removal channel of the sanding tool, the outlet is configured to discharge gas in the cavity, and the fan assembly is used for forming a dust removal air path moving towards the inlet. A ratio of an area of a projection of the functional housing on the baseplate to an area of the baseplate is greater than or equal to 0.15 and less than or equal to 0.95.
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公开(公告)号：US11571757B2
公开(公告)日：2023-02-07
申请号：US17582647
申请日：2022-01-24
申请人： MAKITA CORPORATION
发明人： Hitoshi Suzuki
IPC分类号： B23D59/00 , B25F5/00 , A47L9/28 , B24B23/02 , B24B55/00 , H01Q1/12 , H05K3/36 , A47L7/00 , B23Q11/00 , B24B55/10 , G08C17/02
摘要： A dust collector in one aspect of the present invention comprises a dust collection portion, a communication portion, and an interlock operation control portion. When the communication portion receives an interlock command transmitted from an electric working machine, the interlock operation control portion makes the dust collection portion operate interlocking with the electric working machine. The interlock operation control portion includes a storage portion, in which identification information specific to the electric working machine with which the dust collection portion is to be made to perform the interlock operation is stored.
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公开(公告)号：US11376710B2
公开(公告)日：2022-07-05
申请号：US17360575
申请日：2021-06-28
发明人： Tianliang Liu , Xiangqing Fu , Liang Chen
IPC分类号： B24B55/10
摘要： A cyclone dust collecting device includes a dust collecting box and a separator. The dust collecting box includes a dust entrance and a cavity formed by extension in a first direction. The dust entrance communicates with a dust exhaust channel of a host machine. The separator includes a dust inlet and a cyclone tube. The dust inlet communicates with the dust entrance. The dust inlet is configured to guide the dust exhaust airflow into the cyclone tube. The cyclone tube extends in a second direction and is at least partially disposed in the dust collecting box. The cyclone tube includes a dust outlet and an air outlet. The dust outlet is located in the cavity and the air outlet communicates with an outside of the dust collecting box. The second direction obliquely intersects the first direction.
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