Patents Assigned to Delta Engineering Co.
  • Connector unit for geodesic dome frame strut
    Patent number: 4511278
    Abstract: A connector unit for connecting the struts of a geodesic dome framework is disclosed. The connector unit has the general shape of a frustum of a right circular cone. Five equally spaced rectangular depressions are formed in the upper surface of the frustum and a pair of flanges in mirror image relationship in planes perpendicular to the planes of the rectangular depressions are placed on opposite sides of each rectangular depression and each flange of the pair has an opening in its central area with the openings in register with each other.
    Type: Grant
    Filed: March 2, 1983
    Date of Patent: April 16, 1985
    Assignee: Delta Engineering Co.
    Inventor: Richard T. Robinson