Patents Assigned to Barr Fabication LLC
  • Collapsible man-lift for use in wind turbine towers
    Patent number: 8418810
    Abstract: A collapsible man-lift for use in the hollow tower portion of a wind turbine includes a support frame assembly, a foldable floor assembly and a collapsible cage assembly. The support frame assembly includes a sub-assembly built in a triangular shape. The foldable floor assembly and the collapsible cage assembly are connected to the triangular sub-assembly portion of the support frame assembly.
    Type: Grant
    Filed: September 28, 2010
    Date of Patent: April 16, 2013
    Assignee: Barr Fabication LLC
    Inventor: Hugh C. Barr