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公开(公告)号：US20220302857A1
公开(公告)日：2022-09-22
申请号：US17696320
申请日：2022-03-16
发明人： Woodrow W. Walker , Jonathan E. Schmitz , Andrew T. Medeiros-Nicholson , Bharat C. Nakum , Brittany Ann Sellnow
摘要： A power tool, such as a drilling power tool, configured to perform an easy hole start operation upon actuation of a trigger. When the trigger is actuated, the motor is driven at a low speed value. The motor speed is increased to a second speed value during a predetermined time threshold and then driven at the second speed value until the trigger is no longer actuated. In some embodiments, the easy hole start operation may be implemented by an easy hole start switch. In some embodiments, if the easy hole start operation persists for a time greater than a predetermined time threshold, then the motor will shut off.
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公开(公告)号：US20210213553A1
公开(公告)日：2021-07-15
申请号：US17147813
申请日：2021-01-13
发明人： Woodrow W. Walker , Andrew D. Van Hoorn , Matthew Doyle , Timothy J. Bartlett , Timothy R. Obermann , Steven C. Zbrozek
摘要： A portable welder that includes a portable housing, a ground clamp, an electrode holder, a user interface, and a battery pack interface. The ground clamp is connected to the portable housing through a ground cable and is configured to be connected to a metal workpiece. The electrode holder is connected to the portable housing through an electrode cable. The electrode holder includes a mount connected to the electrode cable and a user input. The mount is configured to hold a consumable electrode. The user input is configured to activate the portable welder. The user interface located on the housing. The battery pack interface is configured to receive a removable and rechargeable battery pack.
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公开(公告)号：US20240235433A1
公开(公告)日：2024-07-11
申请号：US18615089
申请日：2024-03-25
发明人： Woodrow W. Walker , Jonathan E. Schmitz , Andrew T. Medeiros-Nicholson , Bharat C. Nakum , Brittany Ann Sellnow
CPC分类号： H02P1/18 , B23B45/02 , H02P1/04 , B23B2260/062
摘要： A power tool, such as a drilling power tool, configured to perform an easy hole start operation upon actuation of a trigger. When the trigger is actuated, the motor is driven at a low speed value. The motor speed is increased to a second speed value during a predetermined time threshold and then driven at the second speed value until the trigger is no longer actuated. In some embodiments, the easy hole start operation may be implemented by an easy hole start switch. In some embodiments, if the easy hole start operation persists for a time greater than a predetermined time threshold, then the motor will shut off.
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公开(公告)号：US11942880B2
公开(公告)日：2024-03-26
申请号：US17696320
申请日：2022-03-16
发明人： Woodrow W. Walker , Jonathan E. Schmitz , Andrew T. Medeiros-Nicholson , Bharat C. Nakum , Brittany Ann Sellnow
CPC分类号： H02P1/18 , B23B45/02 , H02P1/04 , B23B2260/062
摘要： A power tool, such as a drilling power tool, configured to perform an easy hole start operation upon actuation of a trigger. When the trigger is actuated, the motor is driven at a low speed value. The motor speed is increased to a second speed value during a predetermined time threshold and then driven at the second speed value until the trigger is no longer actuated. In some embodiments, the easy hole start operation may be implemented by an easy hole start switch. In some embodiments, if the easy hole start operation persists for a time greater than a predetermined time threshold, then the motor will shut off.
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