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公开(公告)号：US20200261959A1
公开(公告)日：2020-08-20
申请号：US16795742
申请日：2020-02-20
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： James Wekwert , Jacob Lindsey , Peter J. Davies , Justin Miller , Andrew J. Smith , Troy C. Thorson , Ryan J. Denissen , John S. Scott
Abstract: An expansion tool includes a housing, a motor supported within the housing, a mandrel, and a drive mechanism configured to convert a rotational input from the motor into translational movement of the mandrel. The drive mechanism includes a cam and a drive shaft coupled to the cam. The expansion tool further includes a frame including a hub and a neck extending from the hub and having an opening. A working element is coupled to the neck and has a plurality of jaws movable from a closed position toward an expanded position in response to movement of the mandrel from a retracted position toward an extended position. The mandrel extends through the opening to engage the jaws, and the drive shaft is rotatably supported by the hub.
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公开(公告)号：US20230256498A1
公开(公告)日：2023-08-17
申请号：US18138465
申请日：2023-04-24
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： James Wekwert , Jacob Lindsey , Peter J. Davies , Justin Miller , Andrew J. Smith , Troy C. Thorson , Ryan J. Denissen , John S. Scott
CPC classification number: B21D41/028 , B29C57/06 , B29K2023/0691
Abstract: An expansion tool includes a housing, a motor supported by the housing and including a motor, a mandrel, and a drive mechanism configured to convert a rotational input from a motor shaft into translational movement of the mandrel. The expansion tool includes a first operating mode and a second operating mode. When the expansion tool is operated in the first operating mode, the drive mechanism is configured to reciprocate the mandrel between a retracted position and a first extended position. When the expansion tool is operated in the second operating mode, the drive mechanism is configured to reciprocate the mandrel between the retracted position and a second extended position different than the first extended position.
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公开(公告)号：US11633775B2
公开(公告)日：2023-04-25
申请号：US16795742
申请日：2020-02-20
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： James Wekwert , Jacob Lindsey , Peter J. Davies , Justin Miller , Andrew J. Smith , Troy C. Thorson , Ryan J. Denissen , John S. Scott
Abstract: An expansion tool includes a housing, a motor supported within the housing, a mandrel, and a drive mechanism configured to convert a rotational input from the motor into translational movement of the mandrel. The drive mechanism includes a cam and a drive shaft coupled to the cam. The expansion tool further includes a frame including a hub and a neck extending from the hub and having an opening. A working element is coupled to the neck and has a plurality of jaws movable from a closed position toward an expanded position in response to movement of the mandrel from a retracted position toward an extended position. The mandrel extends through the opening to engage the jaws, and the drive shaft is rotatably supported by the hub.
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公开(公告)号：US20180264566A1
公开(公告)日：2018-09-20
申请号：US15914272
申请日：2018-03-07
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Andrew J. Smith
CPC classification number: B23D51/16 , B23D51/01 , B23D51/10 , B25F5/02 , F16H1/12 , F16H21/22 , F16H21/36
Abstract: A power tool including a housing having a handle configured to be grasped by a user, a motor supported by the housing, a driving gear rotated by the motor and having a substantially cylindrical body, and a driven gear engaging the driving gear to be rotated by the driving gear about a rotation axis. The power tool also includes a pin extending from the driven gear and offset from the rotation axis, a spindle having a yoke coupled to the pin to translate rotation of the driven gear into reciprocating motion of the spindle, and a tool element coupled to the spindle for reciprocating motion with the spindle.
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