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公开(公告)号：US11039721B2
公开(公告)日：2021-06-22
申请号：US16144236
申请日：2018-09-27
Applicant: MAKITA CORPORATION
Inventor： Takayuki Tahara , Akane Akisada
Abstract: A cyclone unit capable of enhancing dust collection performance. A cyclone unit includes a cyclone unit body, a dust box and a core tube. The cyclone unit body includes a lower base, an upper base and a middle base sandwiched between the lower base and the upper base. The dust box is assembled to the cyclone unit body so as to collect dust and dirt. The core tube, having a meshed shape, is assembled to the middle base so as to be located inside the dust box. The core tube is detachable from the middle base while the upper base is assembled to the lower base.
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公开(公告)号：US09168650B2
公开(公告)日：2015-10-27
申请号：US13749185
申请日：2013-01-24
Applicant: MAKITA CORPORATION
Inventor： Toru Itakura , Shin Nakamura , Takayuki Tahara , Akira Mizutani
Abstract: An oscillating rotary electric power tool, in which a spindle with a distal end tool attached thereto is projected downward from a front end portion of a housing accommodating a motor, and the housing also accommodates a coupling member rotatable integrally with an output shaft of the motor, a crankshaft fitted with the coupling member in a depression and projection fitting structure, and a link member to which the spindle is fixed and power is transmitted from the crankshaft to rotate clockwise and counterclockwise in an oscillating manner so that the link member will be driven by the motor to rotate the spindle clockwise and counterclockwise in the oscillating manner, wherein an elastic body is interposed between the coupling member and the crankshaft in the same axial direction as the output shaft.
Abstract translation: 一种振动旋转电动工具，其中附接有远端工具的主轴从容纳电动机的壳体的前端部向下突出，并且所述壳体还容纳与电动机的输出轴一体旋转的联接构件 ，配有联接构件的曲轴，位于凹陷和突出配合结构中，以及连杆构件，主轴被固定到该连杆构件，并且动力从曲轴传递，以振荡方式顺时针和逆时针方向旋转，使得连杆构件将被驱动 通过电动机以摆动方式顺时针和逆时针旋转主轴，其中弹性体在与输出轴相同的轴向方向插入在联接构件和曲轴之间。
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公开(公告)号：US11759076B2
公开(公告)日：2023-09-19
申请号：US17548102
申请日：2021-12-10
Applicant: MAKITA CORPORATION
Inventor： Takayuki Tahara , Makoto Hotta
IPC: A47L9/28 , A47L5/36 , A47L9/22 , A47L7/00 , H01M50/244 , H01M50/271 , H01M50/247 , A47L9/00
CPC classification number: A47L9/2884 , A47L5/365 , A47L7/0028 , A47L7/0085 , A47L9/009 , A47L9/22 , A47L9/2857 , H01M50/244 , H01M50/247 , H01M50/271 , H01M2220/30
Abstract: A dust collector has a well-balanced weight. The dust collector includes a body housing, a motor located inside the body housing, a fan rotatable by the motor, and a battery mount located inside the body housing and frontward from the motor.
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公开(公告)号：US11278837B2
公开(公告)日：2022-03-22
申请号：US16806133
申请日：2020-03-02
Applicant: MAKITA CORPORATION
Inventor： Takayuki Tahara , Makoto Hotta
Abstract: A backpack dust collector includes a housing. The housing includes: a suction port; a dust collecting chamber connected to the suction port and configured to accommodate a dust collecting bag; a motor chamber connected to the dust collecting chamber and accommodating a fan and a motor; an exhaust port through which air from the motor chamber is discharged; first and second battery openings; and first and second battery receiving portions respectively corresponding to the first and second battery openings. At least part of the first battery opening is formed on a left side surface of the housing, and at least part of the second battery opening is formed on a right side surface of the housing.
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公开(公告)号：US11134815B2
公开(公告)日：2021-10-05
申请号：US16417111
申请日：2019-05-20
Applicant: MAKITA CORPORATION
Inventor： Shulin Liu , Zheng Wang , Haowei Mei , Takayuki Tahara
Abstract: A box-type dust collector includes a suction unit that includes a brushless motor and an air blowing fan, a battery mount portion, to which a battery pack that serves as a power source is mountable, a suction port that suctions outside air through rotation of the air blowing fan, and a filter that separates dust from the outside air which is suctioned from the suction port. The bottom surface of a tank serves as a surface for stationary placement. A handle for carriage is provided at a position directly over the center of gravity of the entire box-type dust collector with the battery pack mounted to the battery mount portion. Coupling portions to be coupled to both ends of a shoulder belt are provided at front and rear positions that are point-symmetric about the center of gravity as viewed in plan.
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Patent Agency Ranking
公开(公告)号：US11134816B2
公开(公告)日：2021-10-05
申请号：US15880469
申请日：2018-01-25
Applicant: MAKITA CORPORATION
Inventor： Takayuki Tahara , Keisuke Yamada
Abstract: A dust collector includes a tank, a main body, a suction fan, a flexible pre-filter, and a main filter. The tank includes a suction opening. The main body is fixed to an upper portion of the tank. The suction fan is disposed at the main body. The suction fan is rotated by a motor. The flexible pre-filter is housed in the tank at a lower side of the main body. The pre-filter is positioned at an upstream side of external air suctioned from the suction opening. The main filter is positioned at a downstream side of the pre-filter. The main filter has a plate shape disposed laterally.
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公开(公告)号：US11793377B2
公开(公告)日：2023-10-24
申请号：US16783312
申请日：2020-02-06
Applicant: MAKITA CORPORATION
Inventor： Takayuki Tahara , Makoto Hotta
CPC classification number: A47L5/36 , A47L9/102 , A47L9/2821
Abstract: A backpack dust collector includes a housing and a filter. The housing includes a suction port, a dust collecting chamber connected to the suction port and accommodating a dust collecting bag, a motor chamber connected to the dust collecting chamber and accommodating a fan and a motor, and an exhaust port through which air from the motor chamber is discharged. The filter is disposed on a side of the dust collecting chamber so as to face the dust collecting chamber.
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公开(公告)号：US11191405B2
公开(公告)日：2021-12-07
申请号：US16782217
申请日：2020-02-05
Applicant: MAKITA CORPORATION
Inventor： Junichi Iwakami , Takayuki Tahara
Abstract: A vacuum cleaner (1; 1B) includes a housing (2; 100) that houses a fan (7) and a motor (8), which generates power that rotates the fan (7); one or more air-exhaust ports (10), which is provided in at least a portion of the housing (2; 100); and a sound-absorbing member (33) having a through hole (33). The sound-absorbing member (33) is disposed in an interior space of the housing (2; 100) so as to face the air-exhaust port(s) (10).
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公开(公告)号：US10383493B2
公开(公告)日：2019-08-20
申请号：US15166504
申请日：2016-05-27
Applicant: MAKITA CORPORATION
Inventor： Takayuki Tahara
Abstract: A dust collector includes a dust-collector main body, a coupling-hose part, an operation unit, and a belt or harness. The dust-collector main body serves to collect dust by generating a suction draft (partial vacuum). The dust-collector main body includes a housing, a motor, a dust-collection chamber, and at least one battery pack mount. The belt or harness is attached to the dust-collector main body and is designed for the user to carry the dust-collector main body on his or her back. The operation unit is connected to the dust-collector main body via an external, flexible cord. The operation unit includes one or more LEDs for illuminating the area to be cleaned and an ON/OFF switch for controlling operation of the motor.
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公开(公告)号：US12233373B2
公开(公告)日：2025-02-25
申请号：US17547929
申请日：2021-12-10
Applicant: MAKITA CORPORATION
Inventor： Takayuki Tahara , Makoto Hotta
Abstract: A dust collector cools a controller. The dust controller includes a body housing, a motor located inside the body housing, a fan rotatable by the motor, a controller that controls the motor, and a thermal insulator between the motor and the controller. The thermal insulator defines a flow channel through which an airflow generated by the fan passes.
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