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US 8,540,034 B2Granted
Pneumatic drill device
AssigneeSullair Corporation
InventorsJulien Poncet, Alain Mucig, Patrice Charlat
Life of this patent
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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.
Claims16
A pneumatic drill device comprising:
- an assembly and an outer casing,
- said assembly including a cylinder defining a bore and a movable piston, said piston in said bore configured to actuate a pick element, a supply device for supplying the bore with compressed air, and an operational control device,
- said outer casing being formed from two complementary sections defining an internal cavity enclosing said assembly, said outer casing defining at least one channel in fluid communication with said bore, said at least one channel extending from said internal cavity and formed partially through the thickness of at least one of the casing sections.
Dependencies are inferred from the claim text.