Patents Assigned to Commerical Knife,Inc.
  • Drum chipper with knife and knife holder
    Patent number: 5209278
    Abstract: A drum chipper having a rotatable, power-driven drum supporting a knife. With rotation of the drum, a cutting edge in the knife is moved past a cutter bar. A knife mounting keyed to the knife is adjustably positioned along a path in the drum to position the knife. The knife is a double-edged knife, with one edge replacing the other with dulling of the latter edge.
    Type: Grant
    Filed: February 27, 1992
    Date of Patent: May 11, 1993
    Assignee: Commerical Knife,Inc.
    Inventors: Charles T. Carpenter, Robert M. Bayly