Gas spring fastener driver
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United States of America Patent
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Aug 2, 2022
Grant Date -
Dec 21, 2017
app pub date -
Jun 20, 2017
filing date -
Jun 21, 2016
priority date (Note) -
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Abstract
A fastener driver including a main housing, a drive blade movable from a retracted position to a driven position for driving a fastener into a workpiece, and a gas spring mechanism for driving the drive blade from the retracted position to the driven position. The gas spring mechanism includes a cylinder housing containing a pressurized gas, and a piston movable relative to the cylinder housing and biased by the pressurized gas from a retracted position toward a driven position. The cylinder housing is displaceable along a longitudinal axis of the piston relative to the main housing and away from the drive blade, while the piston remains stationary relative to the main housing, to reduce the pressure of the pressurized gas within the cylinder housing.
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