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公开(公告)号：US12076801B2
公开(公告)日：2024-09-03
申请号：US17420245
申请日：2020-01-02
摘要： A cutting tool attachment for a power tool is freely rotatable about an end of the power tool. A fence provides a complementary flat surface area for the cutting tool attachment to rest against a surface of the material to be cut. The fence prevents free rotation of the cutting tool attachment while in use. A handle allows a user to guide the attachment along the surface of the material, while also providing leverage to keep the attachment against the material surface close to the attachment, but at a safe position to reduce the chance of injury. A user can rotate the power tool relative to the cutting attachment to achieve a comfortable position or to help turn the attachment and power tool. The power tool is therefore positionable along a 360 arc of movement relative to the attachment while the attachment is positioned along the surface of a material.
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公开(公告)号：US20240181620A1
公开(公告)日：2024-06-06
申请号：US18440502
申请日：2024-02-13
申请人： Black & Decker Inc.
摘要： A power tool is provided including a housing, an electric motor, a main trigger switch, a side handle having an auxiliary trigger, and a controller operable to control a flow of electric current from a power source to the electric motor. In an embodiment, the controller the motor at start-up only if the main trigger is actuated within a time threshold after the auxiliary trigger is actuated, and otherwise prevent motor operation until both the main trigger and the auxiliary triggers are released and reengaged. In an embodiment, the controller applies a regenerative brake to stop an operation of the electric motor if one of the main trigger or the auxiliary trigger is released while the electric motor is in operation.
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公开(公告)号：US11938612B2
公开(公告)日：2024-03-26
申请号：US17863666
申请日：2022-07-13
申请人： MAKITA CORPORATION
发明人： Yu Eto , Norikazu Baba
CPC分类号： B25F5/026
摘要： A side handle can be toollessly positioned on a tool body, and is attachable to power tools of multiple models and is highly versatile. A side handle is attachable to a side surface of a tool body included in a power tool. The side handle includes a rotation locking member attachable to the tool body in a manner of being restricted from rotating, and an operable portion operable to lock and unlock a position of the side handle relative to the rotation locking member.
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公开(公告)号：US11931878B2
公开(公告)日：2024-03-19
申请号：US17085356
申请日：2020-10-30
发明人： Vairavasundaram Swaminathan , Dennis Naksen , Scott Turner , William Durham , Jefferey C. Yaschur
摘要： A power tool comprises an adjustable auxiliary handle assembly that facilities safe use of the tool by the operator while allowing convenient carry and storage of the tool when not in use. The adjustable auxiliary handle assembly comprises an indexing mechanism that includes an angled connector, a slidable latching mechanism and a handle base. The indexing mechanism allows a longitudinal handle to rotate and be locked in a position convenient and comfortable to the operator. The indexing mechanism is adjustable and can be operated with one hand (e.g., one-handed operation). The latching mechanism holds the auxiliary handle position in place while allowing the power tool to be used in high-torque/high load applications.
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公开(公告)号：US11819968B2
公开(公告)日：2023-11-21
申请号：US17579140
申请日：2022-01-19
发明人： Kyle Greunke , Andrew D. Van Hoorn , Kevin A. McLachlan , Julia C. Marsh , Mauricio Builes Zapata , Daryl S. Richards , Beth E. Cholst , Jeffery D. Spraggon
CPC分类号： B23Q11/0046 , B23Q11/0071 , B25D17/043 , B25D17/20 , B25F5/003 , B25F5/026 , B28D7/02 , B25D2211/061 , B25D2217/0057 , B25D2250/121
摘要： A rotary hammer includes a housing, a first motor supported by the housing and defining a first motor axis, a second motor supported by the housing and defining a second motor axis that is coaxial with the first motor axis, and a spindle coupled to the first motor for receiving torque from the first motor, causing the spindle to rotate. The rotary hammer further includes a reciprocation mechanism operable to create a variable pressure air spring within the spindle. The reciprocation mechanism includes a piston configured to reciprocate within the spindle in response to receiving torque from the second motor, a striker that is selectively reciprocable within the spindle in response to reciprocation of the piston, and an anvil that is impacted by the striker when the striker reciprocates towards the tool bit. The anvil imparts axial impacts to the tool bit.
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公开(公告)号：US20230311260A1
公开(公告)日：2023-10-05
申请号：US17790818
申请日：2020-12-14
CPC分类号： B23Q11/0046 , B23Q11/0071 , B25F5/026
摘要： A power tool system and to a method for connecting a vacuuming device to a power tool. The system comprises a power tool having a tool, a vacuuming device for extracting dust that arises when working with the power tool, and a suction connection device, wherein the suction connection device is arranged between the tool of the power tool and the power tool and is connectable to the power tool in that a toothing of the power tool is able to be engaged with a mating toothing on the suction connection device. The present invention advantageously makes it possible for a suction hose that connects the vacuuming device and the suction connection device of the power tool system together to be able to be fixed relative to a handle of the power tool. Furthermore, an angle between the suction hose and the handle of the power tool can be set particularly easily.
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公开(公告)号：US20230191583A1
公开(公告)日：2023-06-22
申请号：US17987998
申请日：2022-11-16
申请人： MAKITA CORPORATION
发明人： Takahiro KAWAKAMI , Yu ETO
摘要： A power tool effectively isolates vibration with an auxiliary handle having no structure for isolating vibration. A power tool to which an auxiliary handle is attachable includes a housing, a nut held on a side surface of the housing to be screwed with the auxiliary handle, and an elastic member between the housing and the nut.
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公开(公告)号：US20180326554A1
公开(公告)日：2018-11-15
申请号：US15775595
申请日：2016-11-02
申请人： Robert Bosch GmbH
发明人： Joachim SCHADOW , Joern STOCK , Florian ESENWEIN
CPC分类号： B24B55/052 , B24B23/022 , B24B23/028 , B25F5/026 , H01H3/20 , H01H9/06 , H01H9/28
摘要： A hand-held power tool, in particular an angle grinder, includes a gearing housing part and an accessory equipment. The gearing housing part includes at least one machine-side contact element. The accessory equipment includes at least one accessory equipment-side contact element. In the mounted state of the accessory on the hand-held power tool, the at least one machine-side contact element comes into contact with the at least one accessory-side contact element.
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公开(公告)号：US20180272494A1
公开(公告)日：2018-09-27
申请号：US15763228
申请日：2016-09-19
申请人： Robert Bosch GmbH
发明人： Joachim Schadow , Joern Stock , Florian Esenwein
CPC分类号： B24B23/028 , B24B49/08 , B24B49/10 , B24B55/052 , B25F5/026
摘要： A hand-held power tool includes a gearing housing part and accessory equipment. The gearing housing part has at least one machine-side contact element. The accessory equipment has at least one accessory-equipment-side contact element. The machine-side contact element and the accessory-equipment-side contact element can be releasably connected to each other.
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公开(公告)号：US20180147681A1
公开(公告)日：2018-05-31
申请号：US15820533
申请日：2017-11-22
发明人： Jun Le , Yongtao Li
CPC分类号： B23Q11/0046 , B23Q11/0071 , B25D16/00 , B25D17/043 , B25D17/20 , B25D2211/061 , B25D2217/0057 , B25D2250/121 , B25F5/003 , B25F5/026 , B28D7/02
摘要： A power tool includes a tool main body including a first motor for outputting power to a tool attachment and a dust collecting device. The dust collecting device includes a fan, a second motor for driving the fan to rotate so as to generate absorbing force, a connecting assembly for connecting the dust collecting device with the tool main body detachably, a dust collecting housing connected movably with the connecting assembly in a front and rear direction. The second motor includes a stator and a rotor being capable of rotating relative to the stator about a first axis substantially perpendicular to the front and rear direction. The dust collecting housing is formed with a first containing chamber for containing the fan and a second containing chamber for containing dust absorbed by the dust collecting device.
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