Patents Assigned to Roy E. Bowling
  • Patent number: 5395188
    Abstract: A drilling tool for drilling a curved hole. The tool includes a curved guide tube for positioning the tube in drilling position against a wall and a flexible shaft extending through the guide tube having a drill bit on the end thereof adjacent the outlet end of the tube and a shank on the opposite end engaged in a drill tool chuck. Operation of the drill tool rotates the drill bit and the tube guides and directs the bit to drill a curved or angled hole. The drill bit can be a spade bit, a spiral bit or a ball mill.
    Type: Grant
    Filed: December 23, 1993
    Date of Patent: March 7, 1995
    Assignee: Roy E. Bowling
    Inventors: Charles E. Bailey, Roy E. Bowling