Patents Assigned to Avildsen Tools and Machines, Inc.
  • Patent number: 3975110
    Abstract: The improved flat beaded track bit disclosed herein comprises an elongated, generally rectangular member having first and second ends separated by a middle section. First and second drill bodies are formed on the first and second ends, respectively, of the member, with the drill bodies being identical, but mirror images of each other. The lands of the first and second drill bodies terminate adjacent to the middle section of the member, and the diameters of the lands of the drill bodies are larger adjacent to the first and second ends of the member than adjacent to the middle section of the member.
    Type: Grant
    Filed: October 6, 1975
    Date of Patent: August 17, 1976
    Assignee: Avildsen Tools and Machines, Inc.
    Inventor: Gerald G. Kraiss