Gas combustion type fastener driving machine
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United States of America Patent
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-
Oct 22, 2013
Grant Date -
Oct 6, 2011
app pub date -
Mar 23, 2011
filing date -
Mar 23, 2011
priority date (Note) -
Withdrawn
status (Latency Note)
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Abstract
In a gas combustion type fastener driving machine, a fuel gas and air are stirred by a fan within a combustion chamber, a stirred air-fuel gas mixture is burned by an ignition spark, and a striking piston is actuated by a combustion pressure to drive a fastening member. The machine is provided with a fan motor (320) for rotating the fan, and a control circuit board (100) for controlling an action of the fan motor (320). The control circuit board (100) detects an actuation signal for an igniter (310) that generates the ignition spark and controls a rotation speed of the fan motor (320) based on the actuation signal.
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