Driver tool
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United States of America Patent
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Nov 28, 2017
Grant Date -
May 14, 2015
app pub date -
Apr 4, 2013
filing date -
Apr 9, 2012
priority date (Note) -
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Abstract
A driving tool includes a first piston slidably disposed within a cylinder chamber and having an elongated driving part configured to drive a struck material. A second piston is configured to generate compressed air within the combustion chamber. A compressed air supply passage enables communication between the compression chamber and the cylinder chamber. A valve member opens and closes the compressed air supply passage. A relay member mechanically connects an electric motor with the valve member. The valve member opens and closes the compressed air supply passage via the relay member.
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