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US 2017/0144231 A1Published application
Ejector drill system
AssigneeAllied Machine & Engineering Corp.
InventorsDavid A. Lutz, James R. Porter, Chad M. Lynch
Life of this patent
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AssigneeAllied Machine & Engineering Corp.
InventorsDavid A. Lutz, James R. Porter, Chad M. Lynch
Estimating the term…
A drilling head for a tubular shank having an inside diameter and threads may comprise an axial body comprising a duct exiting through a first end; threads adjacent the first end corresponding to the threads on the shank and aligning the duct with the shank inside diameter; a bore from an outer surface of the body to the duct; and two axially extending approximately parallel and offset surfaces adjacent a second end; and an insert affixed between the offset surfaces, the insert comprising: a first face at least partially contacting one offset surface and a second face at least partially contacting the other offset surface; one or more cutting edges adjacent the first face, the second face, or both; and a cutting lip adjacent one or more cutting edges.
A drilling head for a tubular shank, the drilling head comprising:
A drilling system comprising:
A method of drilling comprising providing a drilling system including a shank having at least one tube with an inside diameter and threads, connecting a drilling head having a body with a duct aligned with the shank inside diameter and extending axially, the drilling head having a double effective cutting system including at least one cutting insert mounted to the head;
Dependencies are inferred from the claim text.