Patents by Inventor Andrew R. Wyler
Andrew R. Wyler 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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Publication number: 20210347025Abstract: 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.Type: ApplicationFiled: July 22, 2021Publication date: November 11, 2021Inventors: 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
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Publication number: 20210347026Abstract: 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.Type: ApplicationFiled: July 22, 2021Publication date: November 11, 2021Inventors: 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
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Publication number: 20210237178Abstract: A power tool includes a housing and a handle coupled to the housing. The handle is configured to be gripped by an operator to manipulate the power tool. The power tool also includes a drive system supported in one of the housing or the handle. The drive system includes a frame, a motor at least partially supported by the frame, and a transmission driven by the motor. The transmission is at least partially supported by the frame. The frame is composed of a non-electrically conductive material.Type: ApplicationFiled: April 22, 2021Publication date: August 5, 2021Inventors: Robert P. Jensen, Andrew R. Wyler, Daniel Reif
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Patent number: 11072058Abstract: 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.Type: GrantFiled: November 27, 2018Date of Patent: July 27, 2021Assignee: Milwaukee Electric Tool CorporationInventors: Andrew R. Wyler, Nathan T. Armstrong, Jason D. Thurner, Troy C. Thorson, John S. Scott, Jeremy R. Ebner, Daniel R. Garces, Ryan A. Dedrickson, Luke J. Skinner, Benjamin R. Suhr
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Patent number: 11014176Abstract: A power tool includes a housing having a base configured to support the power tool relative to a workpiece. The power tool includes a handle coupled to the housing. The handle defines a longitudinal axis and includes a first portion positioned between the longitudinal axis. The housing the base and a second portion opposite the first portion and extending away from the base. The power tool includes an activation switch coupled to a side surface of the housing. The activation switch is slidable in a direction parallel with a switch axis that intersects the longitudinal axis from a deactivated state, in which the drive system is non-operable, to an activated state, in which the drive system is operable. The activation switch is slidable toward the second portion of the housing from an intersection point between the switch axis and the longitudinal axis.Type: GrantFiled: March 22, 2019Date of Patent: May 25, 2021Assignee: Milwaukee Electric Tool CorporationInventors: Robert P. Jensen, Andrew R. Wyler, Daniel Reif
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Patent number: 10835972Abstract: A blade clamp for use with a power tool having a reciprocating spindle. The blade clamp comprises a cover threaded to the spindle for relative axial movement thereto in response to rotation of the cover relative to the spindle, an ejector pin positioned within the spindle, and a spring coupling the cover and the spindle. The spring biases the cover toward a first rotational position relative to the spindle coinciding with a locked configuration of the blade clamp. The cover is rotatable against the bias of the spring toward a second rotational position relative to the spindle coinciding with an unlocked configuration of the blade clamp. In the unlocked configuration, the ejector pin maintains the cover in the second rotational position. In response to insertion of a blade into the spindle, the blade clamp is automatically adjustable from the unlocked configuration to the locked configuration.Type: GrantFiled: February 20, 2019Date of Patent: November 17, 2020Assignee: Milwaukee Electric Tool CorporationInventor: Andrew R. Wyler
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Publication number: 20200290189Abstract: A powered fastener driver includes a magazine in which fasteners of a first length or fasteners of a second length greater than the first length are receivable. The magazine includes a shear block located at a first end of the magazine, a loading portion located at a second end of the magazine, and a feed channel extending lengthwise through the magazine between. The loading portion of the magazine includes first and second slots configured to receive fasteners of the corresponding first and second lengths for entry into the feed channel, and a feed channel access gate configured to prevent fasteners of the first length from being loaded into the second slot. The feed channel access gate is configured as a pivot member pivotable about an axis between a first, blocking position, and a second, bypass position. A spring biases the feed channel access gate toward the blocking position.Type: ApplicationFiled: February 26, 2020Publication date: September 17, 2020Inventors: Patrick J. Owens, Andrew R. Wyler, Marcus Wechselberger
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Publication number: 20200114500Abstract: A gas spring-powered fastener driver includes a cylinder, a moveable piston positioned within the cylinder, and a driver blade attached to the piston and movable therewith between a top-dead-center (TDC) position and a driven or bottom-dead-center (BDC) position. The driver blade defines a driving axis. The driver blade includes a body having a first side and an opposite, second side with the driving axis passing therebetween. A plurality of teeth extends from the first side of the body. A plurality of projections extends from the second side of the body. The body, the teeth, and the projections are bisected by a common plane. A lifter is operable to move the driver blade from the BDC position toward the TDC position, and is engageable with the teeth. A latch assembly is movable between a latched state, and a released state. The latch assembly is configured to engage with the projections.Type: ApplicationFiled: December 6, 2019Publication date: April 16, 2020Inventors: David Bierdeman, Andrew R. Wyler, Nicholas A. Albers, Mitchell Ellena
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Publication number: 20190375084Abstract: A gas spring-powered fastener driver includes an outer cylinder, an inner cylinder positioned within the outer cylinder, and a moveable piston positioned within the inner cylinder. The gas spring-powered fastener driver further includes a driver blade attached to the piston and movable therewith between a top-dead-center (TDC) position and a driven or bottom-dead-center (BDC) position. The outer cylinder and the inner cylinder define a first total volume in which gas is located when the driver blade is in the TDC position. The outer cylinder and the inner cylinder define a second total volume, in which gas is located when the driver blade is in the BDC position. A compression ratio of the second total volume to the first total volume is 1.7:1 or less. And, a force acting on the driver blade when located in the TDC position is at least 90 pound-force (lbf) but no more than 450 pound-force (lbf).Type: ApplicationFiled: June 11, 2019Publication date: December 12, 2019Inventors: David Bierdeman, Andrew R. Wyler, Nicholas A. Albers
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Publication number: 20190299307Abstract: A power tool includes a housing having a base configured to support the power tool relative to a workpiece. The power tool includes a handle coupled to the housing. The handle defines a longitudinal axis and includes a first portion positioned between the longitudinal axis and the base and a second portion opposite the first portion along the longitudinal axis. The power tool includes an activation switch coupled to a side surface of the housing. The activation switch is slidable in a direction parallel with a switch axis that intersects the longitudinal axis from a deactivated state, in which the drive system is non-operable, to an activated state, in which the drive system is operable. The activation switch is slidable toward the second portion of the handle from an intersection point between the switch axis and the longitudinal axis.Type: ApplicationFiled: March 22, 2019Publication date: October 3, 2019Inventors: Robert P. Jensen, Andrew R. Wyler, Daniel Reif
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Publication number: 20190283155Abstract: A blade clamp for use with a power tool having a reciprocating spindle. The blade clamp comprises a cover threaded to the spindle for relative axial movement thereto in response to rotation of the cover relative to the spindle, an ejector pin positioned within the spindle, and a spring coupling the cover and the spindle. The spring biases the cover toward a first rotational position relative to the spindle coinciding with a locked configuration of the blade clamp. The cover is rotatable against the bias of the spring toward a second rotational position relative to the spindle coinciding with an unlocked configuration of the blade clamp. In the unlocked configuration, the ejector pin maintains the cover in the second rotational position. In response to insertion of a blade into the spindle, the blade clamp is automatically adjustable from the unlocked configuration to the locked configuration.Type: ApplicationFiled: February 20, 2019Publication date: September 19, 2019Inventor: Andrew R. Wyler
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Publication number: 20190091845Abstract: 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.Type: ApplicationFiled: November 27, 2018Publication date: March 28, 2019Inventors: 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
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Patent number: 10195730Abstract: A rotary hammer includes a motor, a spindle coupled to the motor for receiving torque from the motor, a piston at least partially received within the spindle for reciprocation therein, a striker received within the spindle for reciprocation in response to reciprocation of the piston, and an anvil received within the spindle and positioned between the striker and a tool bit. The anvil imparts axial impacts to the tool bit in response to reciprocation of the striker. The rotary hammer also includes a synchronizing assembly operable in a first configuration in which the motor is drivably coupled to the piston for reciprocating the piston, and a second configuration in which the piston is decoupled from the motor. The rotary hammer further includes an actuator operable for switching the synchronizing assembly from the second configuration to the first configuration in response to depressing the tool bit against a workpiece.Type: GrantFiled: February 24, 2016Date of Patent: February 5, 2019Assignee: MILWAUKEE ELECTRIC TOOL CORPORATIONInventors: Andrew R. Wyler, Jeremy R. Ebner
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Patent number: 10173310Abstract: 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.Type: GrantFiled: February 5, 2016Date of Patent: January 8, 2019Assignee: MILWAUKEE ELECTRIC TOOL CORPORATIONInventors: 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
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Publication number: 20180369939Abstract: A power tool includes a housing and a support arm extending from the housing and defining a longitudinal axis. The support arm includes a first arm portion coupled to the housing and a second arm portion coupled to the first arm portion. The power tool further includes a drive pulley coupled to the first arm portion. The drive pulley defines a first axis. A driven pulley is coupled to the second arm portion and defines a second axis spaced from the first axis. A synchronous belt connects the drive pulley and the driven pulley. The second arm portion is movable relative to the first arm portion between a first configuration and a second configuration offset 180 degrees from the first configuration about the longitudinal axis. A distance between the first axis and the second axis is substantially the same in both the first configuration and the second configuration.Type: ApplicationFiled: June 26, 2018Publication date: December 27, 2018Inventors: Jacob N. Zimmerman, Andrew R. Wyler, Gabriel M. Vara
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Patent number: 9849577Abstract: A rotary power tool includes a housing, a spindle defining a working axis, and a motor supported by the housing. The motor is operable to drive the spindle. The rotary power tool also includes a handle movably coupled to the housing and a vibration isolating assembly disposed between the housing and the handle. The vibration isolating assembly attenuates vibration transmitted from the housing to the handle. A battery pack is removably coupled directly to the handle and configured to provide power to the motor.Type: GrantFiled: July 8, 2014Date of Patent: December 26, 2017Assignee: MILWAUKEE ELECTRIC TOOL CORPORATIONInventors: Andrew R. Wyler, Jeremy R. Ebner
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Publication number: 20160229043Abstract: 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.Type: ApplicationFiled: February 5, 2016Publication date: August 11, 2016Inventors: 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
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Publication number: 20160167212Abstract: A rotary hammer includes a motor, a spindle coupled to the motor for receiving torque from the motor, a piston at least partially received within the spindle for reciprocation therein, a striker received within the spindle for reciprocation in response to reciprocation of the piston, and an anvil received within the spindle and positioned between the striker and a tool bit. The anvil imparts axial impacts to the tool bit in response to reciprocation of the striker. The rotary hammer also includes a synchronizing assembly operable in a first configuration in which the motor is drivably coupled to the piston for reciprocating the piston, and a second configuration in which the piston is decoupled from the motor. The rotary hammer further includes an actuator operable for switching the synchronizing assembly from the second configuration to the first configuration in response to depressing the tool bit against a workpiece.Type: ApplicationFiled: February 24, 2016Publication date: June 16, 2016Inventors: Andrew R. Wyler, Jeremy R. Ebner
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Patent number: 9308636Abstract: A rotary power tool includes a housing, a tool element defining a working axis, and a handle coupled to the housing. The handle is movable along a first axis parallel with the working axis between a retracted position and an extended position. The handle includes an upper portion and a lower portion. The rotary power tool also includes an upper joint coupling the upper portion of the handle to the housing and a lower joint coupling the lower portion of the handle to the housing. Each of the upper and lower joints includes a rod extending into the handle and a biasing member disposed between the handle and the housing. The biasing member is operable to bias the handle toward the extended position. Each of the upper and lower joints is operable to attenuate vibration transmitted along the first axis and along a second axis orthogonal to the first axis.Type: GrantFiled: February 1, 2013Date of Patent: April 12, 2016Assignee: MILWAUKEE ELECTRIC TOOL CORPORATIONInventor: Andrew R. Wyler
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Publication number: 20140318821Abstract: A rotary power tool includes a housing, a spindle defining a working axis, and a motor supported by the housing. The motor is operable to drive the spindle. The rotary power tool also includes a handle movably coupled to the housing and a vibration isolating assembly disposed between the housing and the handle. The vibration isolating assembly attenuates vibration transmitted from the housing to the handle. A battery pack is removably coupled directly to the handle and configured to provide power to the motor.Type: ApplicationFiled: July 8, 2014Publication date: October 30, 2014Inventors: Andrew R. Wyler, Jeremy R. Ebner