Pneumatic drill device
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United States of America Patent
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Sep 24, 2013
Grant Date -
Jun 30, 2011
app pub date -
Jan 30, 2009
filing date -
Jan 31, 2008
priority date (Note) -
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Abstract
Pneumatic drill device comprising an outer casing, an assembly of a cylinder and a movable piston actuating a pick element, a device for supplying the cylinder with compressed air, an air exhaust device and an operational control device, wherein the outer casing is formed from two complementary sections adapted to fit into one another in order to enclose, in addition to the cylinder and piston assembly, the said devices for supplying the cylinder, for air exhaust and for operational control.
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