Patent ID: 9631490
Date: 2017-04-25
CPC Classifications: B28D,E21C,Y10T

Claim:
1. A cylindrical cutting system comprising: a milling drum rotatable about an axis concentric with a cylindrical outer surface of the milling drum, the cylindrical outer surface formed to include a plurality of pairs of overlapping recesses; a cutting bit comprising a cutting bit base, a first recess of a pair of overlapping recesses included within the plurality of pairs of overlapping recesses formed to receive the cutting bit base; a retainer comprising a retainer base, a second recess of the pair of overlapping recesses formed to receive the retainer base; a member extending orthogonally from an outer surface of at least one of the cutting bit base or the retainer base, and also from an outer surface of a sidewall defining the pair of overlapping recesses.