Patents Examined by C. Cooper
  • Tube end squareness projector apparatus
    Patent number: 4571084
    Abstract: An optical inspection device for measuring the squareness of tube cuts. The optical inspection apparatus includes a tube guide for permitting rotation of the tube whereby its end wall thickness is positioned in the path of a light beam whose output end is magnified and projected on a viewing screen. Variations in the squareness of the tube end may be visually inspected by an operator on the viewing screen.
    Type: Grant
    Filed: February 23, 1983
    Date of Patent: February 18, 1986
    Assignee: The Boeing Company
    Inventor: Dale E. Wright