Patents by Inventor Michael R. Sande

Michael R. Sande 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).

  • Patent number: 11975435
    Abstract: A tool includes a housing, a drive assembly including an output shaft extending from the housing such that a tool element for performing work on a workpiece is attachable to the output shaft, and a bushing disposed within the housing. The bushing rotatably supports the output shaft. The bushing is impregnated with lubricant such that the bushing is self-lubricating, and the bushing has an impregnation ratio between about 5% and about 25%.
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: May 7, 2024
    Assignee: MILWAUKEE ELECTRIC TOOL CORPORATION
    Inventors: Peter Malak, Michael R. Sande, Ryan Allen Dedrickson, Guang Hu, Fan Bin Zeng, Wei Chao Xu, Qiao Cai
  • Patent number: 11897110
    Abstract: A rotary power tool includes a housing having a motor housing portion and a handle portion extending therefrom. An electric motor is positioned within the motor housing portion. The rotary power tool further includes a trigger switch configured to activate and deactivate the motor. The rotary power tool further includes a non-contact speed selector switch positioned in the housing. The non-contact speed selector switch is configured to adjust a rotational speed of the motor. The non-contact speed selector switch is separate from the trigger switch.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: February 13, 2024
    Assignee: MILWAUKEE ELECTRIC TOOL CORPORATION
    Inventors: Maxwell L. Merget, Jingyuan Liang, Michael R. Sande, Michael Halverson, Ian Duncan, Nicholas C. Mantych, Alex Huber
  • Publication number: 20230405786
    Abstract: A rotary power tool includes a housing having a motor housing portion and a handle portion extending therefrom. An electric motor is positioned within the motor housing portion. The rotary power tool further includes a trigger switch configured to activate and deactivate the motor. The rotary power tool further includes a non-contact speed selector switch that is separate from the trigger switch and configured to adjust a rotational speed of the motor. The non-contact speed selector switch is positioned in a foot of the handle portion opposite the motor housing portion.
    Type: Application
    Filed: September 5, 2023
    Publication date: December 21, 2023
    Inventors: Maxwell L. Merget, Jingyuan Liang, Michael R. Sande, Michael Halverson, Ian Duncan, Nicholas C. Mantych, Alex Huber
  • Publication number: 20230405790
    Abstract: A power tool includes a housing with a motor housing portion and a handle portion extending from the motor housing portion, a motor supported within the motor housing portion, a drive assembly operatively coupled to the motor, the drive assembly producing vibrations during operation of the power tool, a battery receptacle located within the handle portion, a battery at least partially insertable into the battery receptacle along a battery axis, the battery configured to provide power to the motor, and a vibration mitigation system configured to reduce transmission of the vibrations produced by the drive assembly to the battery.
    Type: Application
    Filed: June 16, 2023
    Publication date: December 21, 2023
    Inventors: Joseph T. Lottes, Michael R. Sande, Joseph J. Drees, Scott R. Fischer, Jacob P. Schneider
  • Publication number: 20230249332
    Abstract: A telescoping tool includes a pole assembly, a driveshaft, a plurality of bearings, and at least one connection member. The pole assembly includes an outer pole and an inner pole. The inner pole is slidably received in the outer pole. The pole assembly is movable between a retracted configuration and an extended configuration. The driveshaft extends longitudinally in the outer pole and the inner pole. Each bearing of the plurality of bearings includes a driveshaft passage defined therein. The driveshaft passage receives the driveshaft therethrough. Each bearing further includes an end connection passage defined therein. The at least one connection member joins adjacent bearings of the plurality of bearings. The at least one connection member is disposed in the end connection passage of each of the adjacent bearings.
    Type: Application
    Filed: April 3, 2023
    Publication date: August 10, 2023
    Inventors: Hans T. Banholzer, Troy C. Thorson, Michael R. Sande
  • Patent number: 11618149
    Abstract: A telescoping tool includes a pole assembly, a driveshaft, a plurality of bearings, and at least one connection member. The pole assembly includes an outer pole and an inner pole. The inner pole is slidably received in the outer pole. The pole assembly is movable between a retracted configuration and an extended configuration. The driveshaft extends longitudinally in the outer pole and the inner pole. Each bearing of the plurality of bearings includes a driveshaft passage defined therein. The driveshaft passage receives the driveshaft therethrough. Each bearing further includes an end connection passage defined therein. The at least one connection member joins adjacent bearings of the plurality of bearings. The at least one connection member is disposed in the end connection passage of each of the adjacent bearings.
    Type: Grant
    Filed: April 24, 2020
    Date of Patent: April 4, 2023
    Assignee: Milwaukee Electric Tool Corporation
    Inventors: Hans T. Banholzer, Troy C. Thorson, Michael R. Sande
  • Patent number: 11554468
    Abstract: A rotary impact tool includes a housing, an electric motor, and a drive assembly for converting a continuous torque input from the motor to consecutive rotational impacts upon a workpiece of at least 900 ft-lbs of fastening torque. An anvil has a bore defining a hexagonal cross-sectional shape and having a nominal width of 7/16 inches. A hammer is rotationally and axially movable relative to the anvil for imparting the consecutive rotational impacts upon the anvil. A spring biases the hammer in an axial direction toward the anvil. A battery pack has a nominal voltage of at least 18 Volts and a nominal capacity of at least 5 Ah. The rotary impact tool has an overall weight including the battery pack that is less than or equal to 7.5 pounds. A ratio of the fastening torque to the overall weight is greater than or equal to 120 ft-lbs per pound.
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: January 17, 2023
    Assignee: MILWAUKEE ELECTRIC TOOL CORPORATION
    Inventors: Ian A. Duncan, Jacob P. Schneider, Michael R. Sande
  • Publication number: 20220274246
    Abstract: A power tool supportable by a lanyard. The power tool includes a motor housing, a motor arranged in the motor housing, a front housing, an output member extending from the front housing, a gear case, and a gear train arranged in the gear case. The gear train configured to transfer torque from the motor to the output member. The power tool further includes a first fastener securing the front housing to the motor housing and a bracket to which the lanyard is attachable. The bracket is fastened to one of the front housing, the motor housing, or the gear case by a second fastener that does not secure the front housing to the motor housing.
    Type: Application
    Filed: May 18, 2022
    Publication date: September 1, 2022
    Inventors: Mackenzie J. Nick, Michael R. Sande, Ian A. Duncan, Jacob P. Schneider
  • Patent number: 11426845
    Abstract: A rotary impact tool includes a housing, an electric motor, and a drive assembly for converting a continuous torque input from the motor to consecutive rotational impacts upon a workpiece of at least 900 ft-lbs of fastening torque. An anvil has a bore defining a hexagonal cross-sectional shape and having a nominal width of 7/16 inches. A hammer is rotationally and axially movable relative to the anvil for imparting the consecutive rotational impacts upon the anvil. A spring biases the hammer in an axial direction toward the anvil. A battery pack has a nominal voltage of at least 18 Volts and a nominal capacity of at least 5 Ah. The rotary impact tool has an overall weight including the battery pack that is less than or equal to 7.5 pounds. A ratio of the fastening torque to the overall weight is greater than or equal to 120 ft-lbs per pound.
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: August 30, 2022
    Assignee: MILWAUKEE ELECTRIC TOOL CORPORATION
    Inventors: Ian A. Duncan, Jacob P. Schneider, Michael R. Sande, Mackenzie J. Nick
  • Patent number: 11338427
    Abstract: A power tool is supportable by a lanyard. The power tool includes a motor housing, a motor arranged in the motor housing, front housing, an output member extending from the front housing, a gear case, and a gear train arranged in the gear case. The gear train is configured to transfer torque from the motor to the output member. The power tool also includes a first fastener securing the front housing to the motor housing, and a bracket fastened to one of the front housing, the motor housing, or the gear case by a second fastener that does not secure the front housing to the motor housing. The power tool also includes a support member secured to the one of the front housing, the motor housing, or the gear case by the bracket. The support member is attachable to the lanyard.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: May 24, 2022
    Assignee: MILWAUKEE ELECTRIC TOOL CORPORATION
    Inventors: Mackenzie J. Nick, Michael R. Sande, Ian A. Duncan, Jacob P. Schneider
  • Publication number: 20210291339
    Abstract: A tool includes a housing, a drive assembly including an output shaft extending from the housing such that a tool element for performing work on a workpiece is attachable to the output shaft, and a bushing disposed within the housing. The bushing rotatably supports the output shaft. The bushing is impregnated with lubricant such that the bushing is self-lubricating, and the bushing has an impregnation ratio between about 5% and about 25%.
    Type: Application
    Filed: June 7, 2021
    Publication date: September 23, 2021
    Inventors: Peter Malak, Michael R. Sande, Ryan Allen Dedrickson, Guang Hu, Fan Bin Zeng, Wei Chao Xu, Qiao Cai
  • Publication number: 20210237249
    Abstract: An impact tool includes an electric motor and a housing containing the electric motor, the housing including a battery receptacle. The battery receptacle includes an isolation member configured to selectively and detachably couple to a battery pack to electrically connect the battery pack to the electric motor. The isolation member includes opposed rails configured to be received into sliding engagement with channels formed in the housing. The battery receptacle also includes an elastomeric damper supported within the housing. During operation of the impact tool, the isolation member is configured to translate relative to the housing and impact the elastomeric damper which, in turn, is configured to attenuate the transmission of vibration from the housing to the battery pack.
    Type: Application
    Filed: February 4, 2021
    Publication date: August 5, 2021
    Inventors: Scott R. Fischer, Evan Brown, Michael R. Sande
  • Patent number: 11027404
    Abstract: A power tool includes a housing having a motor housing portion and a front casing coupled to the motor housing portion. The power tool also includes an electric motor positioned within the motor housing portion, a drive assembly having an output shaft to which a tool element for performing work on a workpiece is attachable, and a powdered metal bushing disposed within the front casing that rotatably supports the output shaft.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: June 8, 2021
    Assignee: Milwaukee Electric Tool Corporation
    Inventors: Peter Malak, Michael R. Sande, Ryan Allen Dedrickson, Guang Hu, Fan Bin Zeng, Wei Chao Xu, Qiao Cai
  • Patent number: 10960530
    Abstract: System for cooling a power tool. One exemplary power tool includes a housing including an air intake and an air exhaust. The power tool further includes a motor and a fan configured to pull cooling air into the housing through the air intake, and exhaust the cooling air out of the housing through the air exhaust. The power tool further includes a plurality of field-effect transistors (FETs). The FETs couple the stator coils to a power source. The power tool further includes a FET board within the housing. The power tool further includes a heat sink within the housing. The heat sink includes a first mounting portion and a second mounting portion. Each of the mounting portions includes a horizontal fin extending toward a respective side of the housing. A plurality of vertical fins extends from a top surface of each of the horizontal fins.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: March 30, 2021
    Assignee: Milwaukee Electric Tool Corporation
    Inventors: Nikos A. Gainacopulos, Michael R. Sande, Michael A. Matthews, Derek J. Schwab, Steve Cunningham
  • Publication number: 20200338711
    Abstract: A telescoping tool includes a pole assembly, a driveshaft, a plurality of bearings, and at least one connection member. The pole assembly includes an outer pole and an inner pole. The inner pole is slidably received in the outer pole. The pole assembly is movable between a retracted configuration and an extended configuration. The driveshaft extends longitudinally in the outer pole and the inner pole. Each bearing of the plurality of bearings includes a driveshaft passage defined therein. The driveshaft passage receives the driveshaft therethrough. Each bearing further includes an end connection passage defined therein. The at least one connection member joins adjacent bearings of the plurality of bearings. The at least one connection member is disposed in the end connection passage of each of the adjacent bearings.
    Type: Application
    Filed: April 24, 2020
    Publication date: October 29, 2020
    Inventors: Hans T. Banholzer, Troy C. Thorson, Michael R. Sande
  • Publication number: 20200223053
    Abstract: A power tool is supportable by a lanyard. The power tool includes a motor housing, a motor arranged in the motor housing, front housing, an output member extending from the front housing, a gear case, and a gear train arranged in the gear case. The gear train is configured to transfer torque from the motor to the output member. The power tool also includes a first fastener securing the front housing to the motor housing, and a bracket fastened to one of the front housing, the motor housing, or the gear case by a second fastener that does not secure the front housing to the motor housing. The power tool also includes a support member secured to the one of the front housing, the motor housing, or the gear case by the bracket. The support member is attachable to the lanyard.
    Type: Application
    Filed: January 10, 2020
    Publication date: July 16, 2020
    Inventors: Mackenzie J. Nick, Michael R. Sande, Ian A. Duncan, Jacob P. Schneider
  • Publication number: 20200215668
    Abstract: A rotary impact tool includes a housing, an electric motor, and a drive assembly for converting a continuous torque input from the motor to consecutive rotational impacts upon a workpiece of at least 900 ft-lbs of fastening torque. An anvil has a bore defining a hexagonal cross-sectional shape and having a nominal width of 7/16 inches. A hammer is rotationally and axially movable relative to the anvil for imparting the consecutive rotational impacts upon the anvil. A spring biases the hammer in an axial direction toward the anvil. A battery pack has a nominal voltage of at least 18 Volts and a nominal capacity of at least 5 Ah. The rotary impact tool has an overall weight including the battery pack that is less than or equal to 7.5 pounds. A ratio of the fastening torque to the overall weight is greater than or equal to 120 ft-lbs per pound.
    Type: Application
    Filed: January 9, 2020
    Publication date: July 9, 2020
    Inventors: Ian A. Duncan, Jacob P. Schneider, Michael R. Sande, Mackenzie J. Nick
  • Publication number: 20200023503
    Abstract: A power tool includes a housing having a motor housing portion and a front casing coupled to the motor housing portion. The power tool also includes an electric motor positioned within the motor housing portion, a drive assembly having an output shaft to which a tool element for performing work on a workpiece is attachable, and a powdered metal bushing disposed within the front casing that rotatably supports the output shaft.
    Type: Application
    Filed: June 28, 2019
    Publication date: January 23, 2020
    Inventors: Peter Malak, Michael R. Sande, Ryan Allen Dedrickson, Guang Hu, Fan Bin Zeng, Wei Chao Xu, Qiao Cai
  • Publication number: 20190291260
    Abstract: System for cooling a power tool. One exemplary power tool includes a housing including an air intake and an air exhaust. The power tool further includes a motor and a fan configured to pull cooling air into the housing through the air intake, and exhaust the cooling air out of the housing through the air exhaust. The power tool further includes a plurality of field-effect transistors (FETs). The FETs couple the stator coils to a power source. The power tool further includes a FET board within the housing. The power tool further includes a heat sink within the housing. The heat sink includes a first mounting portion and a second mounting portion. Each of the mounting portions includes a horizontal fin extending toward a respective side of the housing. A plurality of vertical fins extends from a top surface of each of the horizontal fins.
    Type: Application
    Filed: March 29, 2017
    Publication date: September 26, 2019
    Inventors: Nikos A. Gainacopulos, Michael R. Sande, Michael A. Matthews, Derek J. Schwab, Steve Cunningham
  • Publication number: 20190134801
    Abstract: A rotary power tool includes a housing having a motor housing portion and a handle portion extending therefrom. An electric motor is positioned within the motor housing portion. The rotary power tool further includes a trigger switch configured to activate and deactivate the motor. The rotary power tool further includes a non-contact speed selector switch positioned in the housing. The non-contact speed selector switch is configured to adjust a rotational speed of the motor. The non-contact speed selector switch is separate from the trigger switch.
    Type: Application
    Filed: November 1, 2018
    Publication date: May 9, 2019
    Inventors: Maxwell L. Merget, Jingyuan Liang, Michael R. Sande, Michael Halverson, Ian Duncan, Nicholas C. Mantych, Alex Huber