PEX expansion tool
AssigneeMilwaukee Electric Tool Corporation
InventorPeter J. Davies
Life of this patent
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Abstract
An expansion tool includes a working element configured to expand an end of a tube. The working element includes a plurality of jaws movable between a closed position and an expanded position. The expansion tool also includes first mandrel with a first contact surface and a second mandrel coupled to the first mandrel. The second mandrel has a second contact surface. The first mandrel and the second mandrel are movable together relative to the jaws between a retracted position and an extended position. The first contact surface and the second contact surface are engageable with the jaws to move the jaws from the closed position toward the expanded position in response to movement of the first mandrel and the second mandrel from the retracted position toward the extended position.
Claims20
An expansion tool comprising:
- a working element configured to expand an end of a tube, the working element including a plurality of jaws movable between a closed position and an expanded position;
- a first mandrel including a first contact surface;
- and
- a second mandrel coupled to the first mandrel, the second mandrel including a second contact surface;
- wherein the first mandrel and the second mandrel are movable together relative to the jaws in a first direction along an axis from a retracted position toward an extended position and in a second direction along the axis opposite the first direction from the extended position toward the retracted position, and
- wherein the first contact surface and the second contact surface are engageable with the jaws to move the jaws from the closed position toward the expanded position in response to movement of the first mandrel and the second mandrel from the retracted position toward the extended position.
An expansion tool comprising:
- a working element configured to expand an end of a tube, the working element including a plurality of jaws movable between a closed position and an expanded position;
- a first mandrel including a first contact surface;
- and
- a second mandrel coupled to the first mandrel, the second mandrel including a second contact surface;
- wherein the first contact surface and the second contact surface are engageable with the jaws to move the jaws from the closed position toward the expanded position in response to movement of the first mandrel and the second mandrel from a retracted position toward an extended position,
- wherein the jaws define an internal cavity when the jaws are in the closed position, and
- wherein the second mandrel is positioned entirely within the internal cavity when the first mandrel and the second mandrel are in the retracted position.
Dependencies are inferred from the claim text.