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公开(公告)号：US20160229043A1
公开(公告)日：2016-08-11
申请号：US15017291
申请日：2016-02-05
Applicant: Milwaukee Electric Tool Corporation
Inventor： Andrew R. Wyler , Nathan T. Armstrong , Jason D. Thurner , Troy C. Thorson , John S. Scott , Jeremy R. Ebner , Daniel R. Garces , Ryan Allen Dedrickson , Luke J. Skinner , Benjamin R. Suhr
Abstract: A gas spring-powered fastener driver including a cylinder, a moveable piston positioned within the cylinder, a driver blade attached to the piston and movable therewith between a ready position and a driven position, a lifter operable to move the driver blade from the driven position to the ready position, a transmission for providing torque to the lifter, a first clutch mechanism permitting a transfer of torque to an output shaft of the transmission in a single rotational direction, and a second clutch mechanism limiting an amount of torque transferred to the transmission output shaft and the lifter.
Abstract translation: 一种气弹簧动力的紧固件驱动器，包括气缸，位于气缸内的可移动活塞，附接到活塞并可在就绪位置和从动位置之间移动的驱动器叶片，可操作以将驱动器叶片从驱动位置 到准备位置，用于向提升器提供扭矩的变速器，允许在单个旋转方向上将扭矩传递到变速器的输出轴的第一离合器机构和限制传递到变速器的扭矩量的第二离合器机构 输出轴和升降器。
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公开(公告)号：US12179331B2
公开(公告)日：2024-12-31
申请号：US18295543
申请日：2023-04-04
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Jonathan E. Abbott , Timothy R. Obermann , John S. Dey, IV , Benjamin R. Suhr , Richard A. Ryer , Maxwell L. Merget , Douglas R. Fieldbinder
Abstract: Kickback control methods for power tools. One power tool includes a movement sensor configured to measure an angular velocity of the housing of the power tool about the rotational axis. The power tool includes an electronic processor coupled to the switching network and the movement sensor and configured to implement kickback control of the power tool. To implement the kickback control, the electronic processor is configured to control the switching network to drive the brushless DC motor, receive measurements of the angular velocity of the housing of the power tool from the movement sensor, determine that a plurality of the measurements of the angular velocity of the housing of the power tool exceed a rotation speed threshold, and control the switching network to cease driving of the brushless DC motor in response to determining that the plurality of the measurements of the angular velocity exceed the rotation speed threshold.
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公开(公告)号：US20240297513A1
公开(公告)日：2024-09-05
申请号：US18591200
申请日：2024-02-29
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Benjamin R. Suhr , Douglas R. Fieldbinder
IPC: H02J7/00
CPC classification number: H02J7/0031 , H02J7/00304 , H02J2310/22
Abstract: A power tool including a housing, a motor supported by the housing, a battery pack interface configured to receive a battery pack, a switching module for selectively providing power from the battery pack to the motor, and a solid-state protection circuit. The solid-state protection circuit includes a switch configured to control current provided to the motor, and a current measurement device configured to determine a level of current supplied to the switch, and output a first signal related to the level of current supplied to the switch. The solid-state protection circuit also includes a gate driver electrically connected to the switch. The gate driver is configured to receive a control signal to disable the switch in response to the first signal indicating that the level of current supplied to the switch exceeding a current threshold.
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公开(公告)号：US20240165780A1
公开(公告)日：2024-05-23
申请号：US18430944
申请日：2024-02-02
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Andrew R. Wyler , Nathan T. Armstrong , Jason D. Thurner , Troy C. Thorson , John S. Scott , Jeremy R. Ebner , Daniel R. Garces , Ryan Allen Dedrickson , Luke J. Skinner , Benjamin R. Suhr
Abstract: A gas spring-powered fastener driver includes a cylinder, a moveable piston positioned within the cylinder, a driver blade attached to the piston and movable therewith between a ready position and a driven position, a lifter to move the driver blade from the driven position to the ready position, and a transmission including an output shaft operatively coupled to the lifter to provide torque to the lifter. The fastener driver also includes an input to provide torque to the transmission and a clutch positioned downstream of the input and operably coupled to the output shaft to limit an amount of torque transferred to the output shaft and the lifter. In response to an application of a reaction torque to the output shaft above a predetermined threshold, torque from the input is diverted from the output shaft via the clutch.
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公开(公告)号：US11529725B2
公开(公告)日：2022-12-20
申请号：US16158716
申请日：2018-10-12
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Kyle Greunke , Benjamin R. Suhr , Brett J. VanDaalwyk
IPC: B25D16/00 , F16D27/11 , F16D27/108 , F16D27/118 , B25B23/14 , B25D11/12
Abstract: A clutch mechanism for use in a rotary power tool having a motor comprises an input member to which torque from the motor is transferred and an output member movable between a first position in which the output member is engaged with the input member for co-rotation therewith, and a second position in which the output member is disengaged from the input member. The clutch mechanism further comprises a biasing member biasing the output member into the first position and an electromagnet which, when energized, moves the output member from the first position to the second position.
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Patent Agency Ranking
公开(公告)号：US20210347025A1
公开(公告)日：2021-11-11
申请号：US17382965
申请日：2021-07-22
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Andrew R. Wyler , Nathan T. Armstrong , Jason D. Thurner , Troy C. Thorson , John S. Scott , Jeremy R. Ebner , Daniel R. Garces , Ryan Allen Dedrickson , Luke J. Skinner , Benjamin R. Suhr
Abstract: A gas spring-powered fastener driver includes a cylinder, a moveable piston, a driver blade attached to the piston, the driver blade movable with the piston, a lifter including a rotary component operably coupled to the driver blade to move the driver blade from a driven position to a ready position, and a multi-stage planetary transmission. The transmission includes an output shaft operatively coupled to the lifter to provide torque thereto, a first bearing supporting a first portion of the output shaft for rotation, a second bearing supporting a second portion of the output shaft for rotation. The fastener driver also includes a housing having a cylinder support portion in which the cylinder is received and a transmission housing portion in which the first and second bearings are received to rotatably support the output shaft. The cylinder support portion and the transmission housing portion are integrally formed as a single piece.
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公开(公告)号：US20190091845A1
公开(公告)日：2019-03-28
申请号：US16201111
申请日：2018-11-27
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Andrew R. Wyler , Nathan T. Armstrong , Jason D. Thurner , Troy C. Thorson , John S. Scott , Jeremy R. Ebner , Daniel R. Garces , Ryan Allen Dedrickson , Luke J. Skinner , Benjamin R. Suhr
Abstract: A gas spring-powered fastener driver including a cylinder, a moveable piston positioned within the cylinder, a driver blade attached to the piston and movable therewith between a ready position and a driven position, a lifter operable to move the driver blade from the driven position to the ready position, a transmission for providing torque to the lifter, a first clutch mechanism permitting a transfer of torque to an output shaft of the transmission in a single rotational direction, and a second clutch mechanism limiting an amount of torque transferred to the transmission output shaft and the lifter.
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公开(公告)号：US20250153329A1
公开(公告)日：2025-05-15
申请号：US19024781
申请日：2025-01-16
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Andrew R. Wyler , Nathan T. Armstrong , Jason D. Thurner , Troy C. Thorson , John S. Scott , Jeremy R. Ebner , Daniel R. Garces , Ryan Allen Dedrickson , Luke J. Skinner , Benjamin R. Suhr
Abstract: A driver may include a cylinder. A driver may include a moveable piston positioned within the cylinder. A driver may include a driver blade attached to the piston and moveable therewith along a driving axis between a ready position and a driven position. A driver may include a lifter configured to move the driver blade from the driven position to the ready position. A driver may include a housing including a handle portion configured to be grasped by a user to maneuver the gas spring-powered fastener driver, and a cylinder support portion within which the cylinder is at least partially positioned. A driver may include a fill valve in fluid communication with the cylinder, wherein the fill valve is configured to fill the cylinder with compressed gas from a source of compressed gas, and wherein the fill valve extends from the cylinder and into the housing.
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公开(公告)号：US20240186810A1
公开(公告)日：2024-06-06
申请号：US18524504
申请日：2023-11-30
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Benjamin R. Suhr , Douglas R. Fieldbinder
IPC: H02J7/00
CPC classification number: H02J7/0063 , H02J7/0044 , H02J7/007182 , H02J2207/20
Abstract: A power tool system includes a battery pack having a first voltage. The battery pack includes a power output interface, a plurality of battery cells configured to output the first voltage, and a voltage boosting circuit electrically connected to the plurality of battery cells. The voltage boosting circuit receives the first voltage and outputs a second voltage to the power output interface. The power tool system also includes a power tool. The power tool includes a motor, a power input interface configured to receive the second voltage, and a voltage reduction circuit. The voltage reduction circuit receives the second voltage from the power input interface and provides a third voltage to the motor. The power tool system further includes a power cable configured to transmit power from the power output interface of the battery pack to the power input interface of the power tool.
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公开(公告)号：US11648655B2
公开(公告)日：2023-05-16
申请号：US17346800
申请日：2021-06-14
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Jonathan E. Abbott , Timothy R. Obermann , John S. Dey, IV , Benjamin R. Suhr , Richard A. Ryer , Maxwell L. Merget , Douglas R. Fieldbinder
CPC classification number: B25F5/001 , B25B21/02 , B25D16/00 , B25F5/00 , B25F5/02 , H02K7/003 , H02K7/145 , H02K11/21 , B25D2250/201 , B25D2250/205 , B25D2250/221 , B25D2250/265
Abstract: Kickback control methods for power tools. One power tool includes a movement sensor configured to measure an angular velocity of the housing of the power tool, and an orientation sensor configured to measure an orientation of the housing. The power tool includes an electronic processor coupled to a switching network and a trigger. To implement the kickback control, the electronic processor is configured to receive measurements of the angular velocity of the housing, receive measurements of the orientation of the housing, determine a binding condition of the power tool based on the measurements of the angular velocity and the measurements of orientation, and control the switching network to cease driving of the brushless DC motor.
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