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公开(公告)号：US20250083292A1
公开(公告)日：2025-03-13
申请号：US18956339
申请日：2024-11-22
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Andrew R. Palm
Abstract: A powered fastener driver includes a motor and a lifter configured to be rotatable by the motor about a rotational axis. The powered fastener driver also includes a piston urged towards a bottom-dead-center position to drive the fastener into a workpiece, and a magnet coupled to the lifter for rotation with the lifter. The magnet includes a first pair of poles including a first north pole face and a first south pole face, and a second pair of poles including a second north pole face and a second south pole face. The first north pole face is adjacent the second south pole face. A pole junction is defined between the first pair of poles and the second pair of poles. The powered fastener driver also includes a sensor configured to detect the pole junction, and a controller configured to control the motor based on detection of the pole junction.
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Patent Agency Ranking
公开(公告)号：US20240009820A1
公开(公告)日：2024-01-11
申请号：US18348858
申请日：2023-07-07
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Andrew R. Palm
Abstract: A powered fastener driver having a motor, a biasing member configured to store a force for driving a fastener, a lifter configured to release the force, a piston configured to be urged by the force towards a bottom-dead-center position to drive the fastener into a workpiece, and a magnet coupled to the lifter for rotation therewith. The magnet is formed as a single piece including a first pair of poles having a first north pole face and a first south pole face, and a second pair of poles including a second north pole face and a second south pole face. The first north pole face is adjacent the second south pole face, and a pole junction is defined between the first and second pairs of poles. A sensor is configured to detect the pole junction. A controller is configured to control the motor based on detection of the pole junction.
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公开(公告)号：US12186870B2
公开(公告)日：2025-01-07
申请号：US18348858
申请日：2023-07-07
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Andrew R. Palm
Abstract: A powered fastener driver having a motor, a biasing member configured to store a force for driving a fastener, a lifter configured to release the force, a piston configured to be urged by the force towards a bottom-dead-center position to drive the fastener into a workpiece, and a magnet coupled to the lifter for rotation therewith. The magnet is formed as a single piece including a first pair of poles having a first north pole face and a first south pole face, and a second pair of poles including a second north pole face and a second south pole face. The first north pole face is adjacent the second south pole face, and a pole junction is defined between the first and second pairs of poles. A sensor is configured to detect the pole junction. A controller is configured to control the motor based on detection of the pole junction.
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公开(公告)号：US20220226977A1
公开(公告)日：2022-07-21
申请号：US17579774
申请日：2022-01-20
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Coby A. Nettleton , Leonard F. Mikat-Stevens , Alex D. Servais , Eric R. Albrecht , Jacob N. Zimmerman , John M. Jubeck , Andrew R. Palm , Casey L. Bonath , Daniel J. Sheridan
Abstract: A fastener driver includes a housing defining a head portion and a handle portion, a drive mechanism positioned within the housing, and a firing mechanism. The firing mechanism includes a primary guide member supported within the head portion of the housing, a secondary guide member spaced from the primary guide member and supported within the head portion of the housing, a piston slidable along the primary guide member and the secondary guide member, a driver blade attached to the piston and configured to be movable along a drive axis, and a biasing member configured to move the piston and the driver blade from a top dead center (TDC) position toward a bottom dead center (BDC) position. A lifter assembly is operated by the drive mechanism to return the piston and the driver blade towards the TDC position, against the bias of the biasing member.
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公开(公告)号：US11878400B2
公开(公告)日：2024-01-23
申请号：US17579774
申请日：2022-01-20
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Coby A. Nettleton , Leonard F. Mikat-Stevens , Alex D. Servais , Eric R. Albrecht , Jacob N. Zimmerman , John M. Jubeck , Andrew R. Palm , Casey L. Bonath , Daniel J. Sheridan
CPC classification number: B25C5/15 , B25C1/001 , B25C1/047 , B25C1/06 , B25C1/123 , B25C1/188 , B25C5/13
Abstract: A fastener driver includes a housing defining a head portion and a handle portion, a drive mechanism positioned within the housing, and a firing mechanism. The firing mechanism includes a primary guide member supported within the head portion of the housing, a secondary guide member spaced from the primary guide member and supported within the head portion of the housing, a piston slidable along the primary guide member and the secondary guide member, a driver blade attached to the piston and configured to be movable along a drive axis, and a biasing member configured to move the piston and the driver blade from a top dead center (TDC) position toward a bottom dead center (BDC) position. A lifter assembly is operated by the drive mechanism to return the piston and the driver blade towards the TDC position, against the bias of the biasing member.
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公开(公告)号：US20230264316A1
公开(公告)日：2023-08-24
申请号：US18170904
申请日：2023-02-17
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Kyle W. Schultz , Trevor L. Paff , Peter A. Borowski , Andrew R. Palm , Erik P. Bothe , Kendall O. Teufel , Justin T. Kornely , Steven M. Burakowski
Abstract: A belt sander for sanding a workpiece including a main housing, a motor having a motor shaft disposed within the main housing, and a handle extending from the motor housing and configured to be grasped by a user for maneuvering the belt sander. The motor shaft defines a motor axis that is perpendicular to a handle axis of the handle. The belt sander further includes a contact arm that extends from the motor housing and is moveable between a stowed position and a deployed position, and a light assembly coupled to the motor housing. The light assembly includes a light housing, an LED, and a lens coupled to the light housing for diverging light rays from the LED across a light range. When the contact arm is in the deployed position, the light range illuminates at least a portion of the contact arm and a space below the contact arm.
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