Powered fastener driving tool having fuel/gas mixture compressed ignition
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United States of America Patent
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Sep 12, 2023
Grant Date -
May 6, 2021
app pub date -
Jan 8, 2021
filing date -
Feb 22, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
Various embodiments provide a powered fastener driving tool including a spring/gas chamber configured to contain pressurized gas that causes a piston to compress a fuel/gas mixture, the mixture combusted to provide necessary levels of power for driving fasteners while using less fuel. One embodiment includes: a housing; a spring/gas chamber in the housing configured to contain pressurized gas; a dual compression/combustion chamber in the housing configured to contain a fuel/gas mixture; a gas communication channel in the housing fluidly connecting the spring/gas chamber and the dual compression/combustion chamber; a movable piston in the housing such that pressurized gas in the spring/gas chamber causes the piston to move in the housing to compress the fuel/gas mixture in the dual compression/combustion chamber; and a driving blade connected to the piston such that combustion of the compressed fuel/gas mixture causes the piston to move in the housing to cause the driving blade to drive a fastener.
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