Patent ID: 7963617

Claim:
A degradation assembly for use with a driving mechanism, the degradation assembly comprising: a working portion including an impact tip attached to a working end of a carbide extension, the carbide extension having a cavity formed in a base end, the cavity being adapted to interlock with a shank assembly of the cutting element assembly; and a shank assembly including: a shank having a first end and a second end opposite the first end, the shank having a first outer surface proximate the first end being receivable into the cavity of the carbide extension, and a second outer surface proximate the second end being receivable into a recess of a driving mechanism with a press fit to secure the shank to the driving mechanism; and a locking mechanism slidably supported within a bore of the shank, the locking mechanism having a locking head projecting from the first end of the shank and a locking shaft extending away from the locking head towards the second end of the shank, the locking head having a radially-extending catch configured to engage with the cavity to couple the shank assembly to the working portion.