Patents by Inventor Beth E. Cholst
Beth E. Cholst has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11571794Abstract: A powered fastener driver includes a driver blade movable from a top-dead-center position to a bottom-dead-center position for driving a fastener into a workpiece, a drive unit for providing torque to move the driver blade toward the top-dead-center position, and a rotary lifter engageable with the driver blade. The lifter having a body and a drive pin coupled to the body. A roller is positioned on the drive pin and engages with a tooth of the driver blade when moving the driver blade from the bottom-dead-center position toward the top-dead-center position. The roller includes a first engagement section that receives an end portion of the tooth and a second engagement section. An engagement member engages the second engagement section for aligning the first engagement section of the roller with the end portion of the tooth to facilitate meshing between the end portion of the tooth and the roller.Type: GrantFiled: April 13, 2022Date of Patent: February 7, 2023Assignee: MILWAUKEE ELECTRIC TOOL CORPORATIONInventors: David A. Bierdeman, Troy C. Thorson, Jacob P. Schneider, Mackenzie J. Nick, Nathan Bandy, Travis W. Leathrum, Mitchell T. Neuhoff, Mark C. Hughes, David C. Graf, Marcus Wechselberger, Leonard F. Mikat-Stevens, Jacob N. Zimmerman, Jason M. Julius, Rosalie C. Phillips, Beth E. Cholst
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Publication number: 20230000011Abstract: A string trimmer assembly includes a trimmer head rotatably driven by a drive shaft and defining a cavity, a spool supported in the cavity of the trimmer head and operable to support line to be dispensed, and a flange formed on the spool. The spool includes a through hole for receiving the line, which is dispensable though an opening in the trimmer head. The flange is formed on the spool in a common plane with the opening and with the through hole. The flange separates the line into a first line portion and a second line portion. The first line portion is positioned on a first side of the flange, and the second line portion is positioned on a second side of the flange.Type: ApplicationFiled: June 30, 2022Publication date: January 5, 2023Inventors: Beth E. Cholst, Mackenzie J. Nick
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Publication number: 20230000010Abstract: A trimmer head for use with a string trimmer including a drive shaft includes a housing rotatable about a rotational axis. The housing includes a main body defining a cavity, and a cap removably coupled to the main body. The trimmer head further includes a spool supported in the cavity and operable to support line to be dispensed, a retainer positioned between the housing and the spool, and a nut positioned within the spool and configured to drivingly couple to the drive shaft.Type: ApplicationFiled: June 30, 2022Publication date: January 5, 2023Inventors: Beth E. Cholst, Troy C. Thorson
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Publication number: 20230000009Abstract: A trimmer head for use with a string trimmer includes a drive shaft includes a housing rotatable about a rotational axis. The housing includes a main body defining a cavity, and a cap removably coupled to the main body. The trimmer head includes a spool supported in the cavity and operable to support line to be dispensed, a retainer positioned between the housing and the spool, and a connection member positioned within the housing and configured to drivingly couple to the drive shaft.Type: ApplicationFiled: June 30, 2022Publication date: January 5, 2023Inventor: Beth E. Cholst
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Publication number: 20230000008Abstract: A string trimmer assembly includes a trimmer head rotatably driven by a drive shaft and defining a cavity, a spool supported in the cavity of the trimmer head and operable to support line to be dispensed, which is dispensable though an opening in the trimmer head, and a bump protruding from a distal end of the trimmer head. The bump includes a wear surface on a terminating end of the bump, and the wear surface and the opening define a cutting height.Type: ApplicationFiled: June 30, 2022Publication date: January 5, 2023Inventor: Beth E. Cholst
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Publication number: 20220371172Abstract: The present disclosure is directed to a power tool adapted to impart axial impacts to a tool bit. The power tool includes a housing, an electric motor, and a barrel. The power tool also includes a reciprocation drive assembly coupled to the electric motor and configured to convert torque from the electric motor to reciprocating motion of a piston that is received within the barrel for reciprocation therein. The power tool further includes a striker received within the barrel for reciprocation in response to reciprocation of the piston, and an anvil received within the barrel between the striker and the tool bit. The anvil is configured to communicate axial impacts to the tool bit in response to reciprocation of the striker. The anvil defines an opening and an inner bore that communicates with the opening, and the inner bore at least partially receives a shank of the tool bit.Type: ApplicationFiled: May 20, 2022Publication date: November 24, 2022Inventors: Troy C. Thorson, Beth E. Cholst, Matthew C. Cassabaum, Taylor Crabb
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Publication number: 20220342236Abstract: One or more safety eyewear devices are described. The safety eyewear includes a heating element that transfers heat to lenses, thereby providing defogging in eyewear suitable for a construction environment.Type: ApplicationFiled: May 24, 2022Publication date: October 27, 2022Inventors: Alan J. Rehfeldt, Beth E. Cholst, Jordan A. Rimmer
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Publication number: 20220330479Abstract: A trimmer head includes a housing rotatable about a rotational axis. The housing includes a main body defining a cavity, and a cap removably coupled to the main body. The trimmer head additionally includes a spool supported in the cavity and operable to support line to be dispensed, a retainer positioned between the housing and the spool. and a first ring protruding from a distal end of the housing.Type: ApplicationFiled: April 18, 2022Publication date: October 20, 2022Inventors: Beth E. Cholst, Troy C. Thorson
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Publication number: 20220305626Abstract: A socket for use with an anvil of a rotary power tool includes a socket body with a driven end and a working end. The socket also includes a locking element adapted to engage a locking recess in the anvil. The locking element is positioned within a slot in the socket body and movable between a lock position and a release position. A locking sleeve surrounding the driven end of the socket body is also included. The locking sleeve is movable between a lock position and a release position. An engagement ring is included on the locking sleeve and is adapted to engage the locking element preventing radially outward motion of the locking element when in the lock position. The socket also includes a first spring adapted to bias the locking element toward the lock position, and a second spring adapted to bias the locking sleeve toward the lock position.Type: ApplicationFiled: March 24, 2022Publication date: September 29, 2022Inventors: Beth E. Cholst, Troy C. Thorson, Emily Genevriere
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Publication number: 20220281091Abstract: The present disclosure provides a side handle assembly for a power tool. The side handle assembly includes a clamp configured to secure the side handle assembly to the power tool, the clamp coaxially aligned with a working axis of the power tool, and a handle coupled to the clamp. The handle includes a base coupled to the clamp, a first grip portion coupled to the base, a second grip portion coupled to the base and movable relative to the first grip portion in a direction parallel to the working axis, and a damping element located between the first grip portion and the second grip portion to attenuate vibration from the power tool along the working axis.Type: ApplicationFiled: March 8, 2022Publication date: September 8, 2022Inventors: Beth E. Cholst, Troy C. Thorson
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Publication number: 20220234182Abstract: A powered fastener driver includes a driver blade movable from a top-dead-center position to a bottom-dead-center position for driving a fastener into a workpiece, a drive unit for providing torque to move the driver blade toward the top-dead-center position, and a rotary lifter engageable with the driver blade. The lifter having a body and a drive pin coupled to the body. A roller is positioned on the drive pin and engages with a tooth of the driver blade when moving the driver blade from the bottom-dead-center position toward the top-dead-center position. The roller includes a first engagement section that receives an end portion of the tooth and a second engagement section. An engagement member engages the second engagement section for aligning the first engagement section of the roller with the end portion of the tooth to facilitate meshing between the end portion of the tooth and the roller.Type: ApplicationFiled: April 13, 2022Publication date: July 28, 2022Inventors: David A. Bierdeman, Troy C. Thorson, Jacob P. Schneider, Mackenzie J. Nick, Nathan Bandy, Travis W. Leathrum, Mitchell T. Neuhoff, Mark C. Hughes, David C. Graf, Marcus Wechselberger, Leonard F. Mikat-Stevens, Jacob N. Zimmerman, Jason M. Julius, Rosalie C. Phillips, Beth E. Cholst
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Publication number: 20220234183Abstract: A powered fastener driver includes a driver blade movable from a top-dead-center position to a bottom-dead-center position for driving a fastener into a workpiece, a drive unit for providing torque to move the driver blade toward the top-dead-center position, and a rotary lifter engageable with the driver blade. The rotary lifter having a body and a drive pin coupled to the body. A roller is rotatably coupled to the drive pin and includes a non-cylindrical outer peripheral surface defining a plurality of engagement sections. A tooth of the driver blade is configured to engage one of the engagement sections when moving the driver blade from the bottom-dead-center position toward the top-dead-center position.Type: ApplicationFiled: April 13, 2022Publication date: July 28, 2022Inventors: David A. Bierdeman, Troy C. Thorson, Jacob P. Schneider, Mackenzie J. Nick, Nathan Bandy, Travis W. Leathrum, Mitchell T. Neuhoff, Mark C. Hughes, David C. Graf, Marcus Wechselberger, Leonard F. Mikat-Stevens, Jacob N. Zimmerman, Jason M. Julius, Rosalie C. Phillips, Beth E. Cholst
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Publication number: 20220226951Abstract: 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.Type: ApplicationFiled: January 19, 2022Publication date: July 21, 2022Inventors: Kyle Greunke, Andrew D. Van Hoorn, Kevin A. McLachlan, Julia C. Marsh, Mauricio Builes Zapata, Daryl S. Richards, Beth E. Cholst, Jeffery D. Spraggon
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Publication number: 20220219301Abstract: A powered fastener driver includes a driver blade movable from a top-dead-center (TDC) position to a bottom-dead-center (BDC) position for driving a fastener into a workpiece and a drive unit for providing torque to move the driver blade from the BDC position toward the TDC position. A kickout arrangement is at least partially defined by an outer surface on one of a torque output member and a torque input member and an aperture formed in the other of the torque output member and the torque input member in which the outer surface is received. The kickout arrangement configured to permit limited rotation of the torque output member relative to the torque input member between a first position and a second position.Type: ApplicationFiled: February 4, 2022Publication date: July 14, 2022Inventors: David A. Bierdeman, Troy C. Thorson, Jacob P. Schneider, Mackenzie J. Nick, Nathan Bandy, Travis W. Leathrum, Mitchell T. Neuhoff, Mark C. Hughes, David C. Graf, Marcus Wechselberger, Leonard F. Mikat-Stevens, Jacob N. Zimmerman, Jason M. Julius, Rosalie C. Phillips, Beth E. Cholst
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Publication number: 20220201946Abstract: A handheld blower including a housing, an air duct defining a duct axis, the air duct including an air inlet and an air outlet opposite the air inlet, and a handle. The handle at least partially defining a battery receiving cavity configured to receive at least a portion of a battery pack therein, where the handle defines a grip axis, and where the grip axis is parallel to the duct axis.Type: ApplicationFiled: December 30, 2021Publication date: June 30, 2022Inventors: Beth E. Cholst, Bennett W. Westling, Atul Anand, Gregory A. Mutchler
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Patent number: 11331781Abstract: A powered fastener driver includes a driver blade movable from a top-dead-center (TDC) position to a driven or bottom-dead-center (BDC) position for driving a fastener into a workpiece and a drive unit for providing torque to move the driver blade from the BDC position toward the TDC position. The drive unit includes an output shaft. The powered fastener driver also includes a rotary lifter engageable with the driver blade. The lifter is configured to receive torque from the drive unit in a first rotational direction for returning the driver blade from the BDC position toward the TDC position. The powered fastener driver further includes a kickout arrangement located between the lifter and the output shaft. The kickout arrangement is configured to permit limited rotation of the lifter relative to the output shaft between a first position and a second position.Type: GrantFiled: June 15, 2020Date of Patent: May 17, 2022Assignee: MILWAUKEE ELECTRIC TOOL CORPORATIONInventors: David A. Bierdeman, Mackenzie J. Nick, Beth E. Cholst, Troy C. Thorson, Nathan Bandy, Jacob P. Schneider
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Publication number: 20220143798Abstract: A powered fastener driver includes a driver blade movable from a top-dead-center (TDC) position to a bottom-dead-center (BDC) position for driving a fastener into a workpiece and a drive unit for providing torque to move the driver blade from the BDC position toward the TDC position. A rotary lifter is engageable with the driver blade and configured to receive torque from the drive unit for returning the driver blade from the BDC position toward the TDC position. The lifter has a body, a drive pin coupled to the body, and a roller positioned on the drive pin. The roller includes an engagement section configured to receive an end portion of a tooth of the driver blade. The lifter includes a means for aligning the engagement section with the end portion of the tooth on the driver blade to facilitate meshing between the end portion and the roller.Type: ApplicationFiled: January 25, 2022Publication date: May 12, 2022Inventors: Beth E. Cholst, Troy C. Thorson, Jacob P. Schneider, Mackenzie J. Nick, Nathan Bandy, David A. Bierdeman, Travis W. Leathrum, Mitchell T. Neuhoff, Mark C. Hughes, David C. Graf, Marcus Wechselberger
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Publication number: 20210378173Abstract: A spool and a trimmer head. The trimmer head includes a housing defining a cavity and rotatable about an axis. A spool is supported in the cavity and operable to support line to be dispensed. The spool is movable along the axis relative to the housing, and the spool and the housing define cooperating conical surfaces to center the spool during movement of the spool toward and in a position relative to the housing.Type: ApplicationFiled: August 24, 2021Publication date: December 9, 2021Inventors: Beth E. Cholst, Troy C. Thorson
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Publication number: 20210308778Abstract: A blade clamp, for use with a power tool having a reciprocating spindle, includes a cover rotatably coupled to the spindle and a detent received within a bore of the spindle. The detent is movable in a radial direction relative to a longitudinal axis of the spindle to adjust the blade clamp between a locked configuration and an unlocked configuration. The cover is rotatable between a first rotational position relative to the spindle coinciding with the locked configuration, and a second rotational position relative to the spindle coinciding with the unlocked configuration. The blade clamp further includes a sleeve in which the detent is slidably received. The sleeve includes a non-corrosive material for inhibiting corrosion of the detent.Type: ApplicationFiled: June 15, 2021Publication date: October 7, 2021Inventors: Beth E. Cholst, Troy C. Thorson, Hans T. Banholzer
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Publication number: 20210308850Abstract: A powered fastener driver includes a driver blade movable from a top-dead-center (TDC) position to a driven or bottom-dead-center (BDC) position for driving a fastener into a workpiece and a drive unit for providing torque to move the driver blade from the BDC position toward the TDC position. The drive unit includes an output shaft. The powered fastener driver also includes a rotary lifter engageable with the driver blade. The lifter is configured to receive torque from the drive unit in a first rotational direction for returning the driver blade from the BDC position toward the TDC position. The powered fastener driver further includes a kickout arrangement located between the lifter and the output shaft. The kickout arrangement is configured to permit limited rotation of the lifter relative to the output shaft between a first position and a second position.Type: ApplicationFiled: June 15, 2020Publication date: October 7, 2021Inventors: David A. BIERDEMAN, Mackenzie J. NICK, Beth E. CHOLST, Troy C. THORSON, Nathan BANDY, Jacob P. SCHNEIDER