-
公开(公告)号：US20240200568A1
公开(公告)日：2024-06-20
申请号：US18594214
申请日：2024-03-04
Applicant: Makita Corporation
Inventor： Akira OJIMA , Fumitoshi NUMATA
CPC classification number: F04D29/30 , F04D25/0606 , F04D25/0673 , F04D25/086 , F04D29/281 , F04D29/4226
Abstract: A blower includes a motor, a plurality of fans coaxially arranged in multiple stages, a housing having an inlet opening and a discharge opening, and a battery mounting part to which a battery is removably mountable. A rotational speed of the motor is within a range of 50,000 rpm to 120,000 rpm. A diameter of each of the fans is within a range of 30 mm to 70 mm. An area of the discharge opening is within a range of not less than an area of a circle having a diameter of 2.5 mm and not more than an area of a circle having a diameter of 10 mm. A blowing force of air discharged through the discharge opening is within a range of 1 N to 3 N.
-
公开(公告)号：US20240011502A1
公开(公告)日：2024-01-11
申请号：US18370569
申请日：2023-09-20
Applicant: MAKITA CORPORATION
Inventor： Fumitoshi NUMATA , Takumi HAYASHI
CPC classification number: F04D29/522 , F04D25/06 , F04D29/083 , F04D19/002
Abstract: A blower includes a body having a main inlet opening and a discharge opening, a motor assembly housed in the body, and an auxiliary inlet opening. The motor assembly includes a case, a motor and a fan. The case has a first opening and a second opening. The motor is housed within the case. The fan is configured to rotate in response to driving of the motor to generate a flow of air passing the main inlet opening, the first opening, the motor, the second opening and the discharge opening in this order. A first space that communicates with the main inlet opening and the first opening of the case is formed within the body. The auxiliary inlet opening is configured to introduce the air from an outside of the body into the first space.
-
公开(公告)号：US20240003360A1
公开(公告)日：2024-01-04
申请号：US18368847
申请日：2023-09-15
Applicant: MAKITA CORPORATION
Inventor： Fumitoshi NUMATA
CPC classification number: F04D29/4253 , F04D25/086 , F04D17/165
Abstract: A blower includes a body, a motor, and a single fan configured to rotate in response to rotation of a motor shaft to discharge air through a discharge opening. The maximum rotational speed of the motor shaft is within a range of 50,000 rpm to 120,000 rpm. An area of the discharge opening is changeable by a user. The blower is configured to selectively operate in a first mode or in a second mode according to the area of the discharge opening. In the first mode, the maximum blowing force of the air discharged through the opening is within a range of 2.5 N to 5.0 N when the motor is driven at the maximum rotational speed. In the second mode, the maximum dynamic pressure of the air discharged is within a range of 30 kPa to 65 kPa when the motor is driven at the maximum rotational speed.
-
公开(公告)号：US20230278157A1
公开(公告)日：2023-09-07
申请号：US18093543
申请日：2023-01-05
Applicant: MAKITA CORPORATION
Inventor： Fumitoshi NUMATA
CPC classification number: B24B23/022 , B25F5/005 , B25F5/02
Abstract: A grinder includes a locking assembly to lock a spindle in a head housing and has outlets with a large opening area for high cooling efficiency. A grinder includes a main housing accommodating a motor and a fan, a spindle, a locking assembly that locks rotation of the spindle, and a head housing including a joint connected to a front of the main housing, and a compartment accommodating the spindle and the locking assembly. The compartment is laterally less wide than the joint. The locking assembly is located at a middle in a lateral direction of the head housing. The joint has, in a portion of a front surface of the joint, a first outlet at least on a right or a left of the compartment to discharge air for cooling the motor generated from rotation of the fan.
-
公开(公告)号：US20220258321A1
公开(公告)日：2022-08-18
申请号：US17625832
申请日：2020-07-28
Applicant: MAKITA CORPORATION
Inventor： Fumitoshi NUMATA
Abstract: A power tool includes an accessory and a reader. The accessory is configured to be attachable to and detachable from the power tool. The accessory includes a passive wireless tag. The reader includes at least one antenna and a reading part. The reading part is electrically connected to the at least one antenna. The reading part is configured to wirelessly communicate with the wireless tag via the at least one antenna and to read information stored in the wireless tag when the accessory is attached to the power tool.
-
Patent Agency Ranking
公开(公告)号：US20160368166A1
公开(公告)日：2016-12-22
申请号：US15176479
申请日：2016-06-08
Applicant: MAKITA CORPORATION
Inventor： Fumitoshi NUMATA , Akihiro GOTO
CPC classification number: B28D7/02 , B23D45/16 , B23D59/006 , B28D1/045
Abstract: A separation lock member is provided in a main body cover. When a fixing cover is rotated with respect to the main body cover at a predetermined opening/closing angle (opening angle θ1) and then an unlock operation of the separation lock member is performed, a rotation support shaft can be separated from a support groove 23a, such that the main body cover can be separated from the fixing cover.
Abstract translation: 分离锁定构件设置在主体盖中。 当固定盖以预定的开/关角度（开度θ1）相对于主体盖旋转，然后执行分离锁定构件的解锁操作时，旋转支撑轴可以与支撑槽23a分离 使得主体盖可以与固定盖分离。
-
公开(公告)号：US20240326223A1
公开(公告)日：2024-10-03
申请号：US18598190
申请日：2024-03-07
Applicant: MAKITA CORPORATION
Inventor： Takumi HAYASHI , Fumitoshi NUMATA , Koichi YAKABE
Abstract: A power tool is configured such that at least one accessory is mountable in a detachable manner. The power tool includes at least one camera and a determining part. The at least one accessory may be an auxiliary handle and/or a cover, which at least partially covers a tool accessory mounted on the power tool in a detachable manner. The determining part is configured to perform image processing on image data output from the at least one camera and to determine whether the state of the at least one accessory is normal based on at least whether the at least one accessory is mounted on the power tool.
-
公开(公告)号：US20240157500A1
公开(公告)日：2024-05-16
申请号：US18244651
申请日：2023-09-11
Applicant: MAKITA CORPORATION
Inventor： Fumitoshi NUMATA
IPC: B24B23/02
CPC classification number: B24B23/028
Abstract: A power tool includes a brake assembly including a swing member swingable about a pivot at an axial center decentered from a center of a brake member, a press member held by the swing member to come in contact with the brake member in response to the swing member swinging, and a spring having an axial center at a second decentered position opposite to the pivot with the center of the brake member between the axial center and the pivot. The axial center is on a second line orthogonal to a first line extending through the center of the brake member and the pivot. The spring has an elastic movable end in contact with an end of the swing member to urge the swing member to a position at which the press member is in contact with the brake member with a switch being in an off state.
-
公开(公告)号：US20230330808A1
公开(公告)日：2023-10-19
申请号：US18170749
申请日：2023-02-17
Applicant: MAKITA CORPORATION
Inventor： Fumitoshi NUMATA
CPC classification number: B24B49/10 , B24B23/028
Abstract: A grinding tool facilitates wiring between a detector for an auxiliary handle and a controller. A grinding tool includes a motor, a housing including an inner housing accommodating the motor and an outer housing covering an exterior of the inner housing and extending rearward from the inner housing, a spindle protruding from a front of the housing, rotatable when driven by the motor, and including a protruding end to receive a tip tool, a controller that controls driving of the motor, a handle mount located at the front of the housing to receive an auxiliary handle in a detachable manner, a handle detector that electrically detects an attachment of the auxiliary handle to the handle mount, and wiring extending between the inner housing and the outer housing to electrically connect the controller and the handle detector.
-
公开(公告)号：US20230302624A1
公开(公告)日：2023-09-28
申请号：US18137498
申请日：2023-04-21
Applicant: MAKITA CORPORATION
Inventor： Fumitoshi NUMATA
Abstract: An electric power tool includes a housing, a fan, a tubular portion, and a rectifier. The housing houses a motor. The fan rotates in association with driving of the motor to generate a cooling air for the motor within the housing. The tubular portion is formed in the housing to house the fan. The rectifier is disposed to be opposed to the fan in an upstream side of the cooling air. The rectifier is divided into an inside and an outside in a radial direction of the tubular portion, the outside in the radial direction is formed of the tubular portion, and the inside in the radial direction is formed of a baffle plate assembled to the housing.
-
-
-
-
-
-
-
-
-
Search Results
27
records
(took 0.028 seconds)
