Driving tool with internal air compressor
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United States of America Patent
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Jun 9, 2015
Issued Date -
N/A
app pub date -
Jan 20, 2012
filing date -
Jan 20, 2011
priority date (Note) -
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Abstract
A driving tool having first and second linear motors, a head assembly, a nosepiece and a driver. The first linear motor forms an air compressor and includes a scotch yoke mechanism for translating a first piston in a first cylinder. The scotch yoke mechanism includes a crank arm, a crank arm roller, which is coupled to the crank arm, and a connecting rod having a roller slot into which the crank arm roller is received. At least a portion of the roller slot is configured to vary an output rate at which the connecting rod translates along a translation axis relative to an input rate at which the crank arm roller moves in a direction that is parallel to the translation axis.
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