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US 7,320,505 B1Granted
Attack tool
OwnerDavid R. Hall, Ronald Crockett +1inventors
InventorsDavid R. Hall, Ronald Crockett, Jeff Jepson
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Abstract
In one aspect of the invention, an attack tool is disclosed which comprises a wear-resistant base suitable for attachment to a driving mechanism. The wear-resistant base has a shank and a metal segment. A cemented metal carbide segment is bonded to the metal segment and the shank has a wear-resistant surface. The wear-resistant surface has a hardness greater than 60 HRc.
Claims20
An attack tool, comprising:
- a wear-resistant base suitable for attachment to a driving mechanism;
- the wear-resistant base comprising a shank and a metal segment;
- a portion of the shank being for insertion into a bore of a holder attached to the driving mechanism;
- a cemented metal carbide segment bonded to the metal segment;
- and
- the portion of the shank being for insertion into the bore of the holder further comprising a wear-resistant surface having a hardness greater than 60 HRc.
3 more elements
Dependencies are inferred from the claim text.