Reciprocating tool with fluid driven counterweight
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United States of America Patent
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May 29, 2018
Issued Date -
N/A
app pub date -
Dec 27, 2013
filing date -
Dec 31, 2012
priority date (Note) -
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Abstract
In one embodiment, a reciprocating tool includes a first variable volume fluid chamber, a second variable volume fluid chamber in fluid communication with the first variable volume fluid chamber, a plunger configured to modify the volume of the first variable volume fluid chamber by movement generally in a first direction along a plunge axis such that a portion of a fluid moves from one of the first and second variable volume fluid chamber to the other of the first and second variable volume fluid chamber, a counterweight configured such that the movement of the portion of the fluid results in a movement of the counterweight generally in a second direction along the plunge axis, the second direction opposite to the first direction, and a chuck assembly supported by the plunger.
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