Patents Assigned to Z.A.F. Contractors, Inc.
  • Patent number: 5911288
    Abstract: A work platform for temporary installation under a bridge span includes a plurality of longitudinal support cables supporting transversely extending grating planks, with sidewise adjacent planks being interlocked by lock pins. A selected subset of the grating planks are releasably fastened to underlying support cables T-shaped clamping members inserted through slots in the selected grating planks.
    Type: Grant
    Filed: November 4, 1996
    Date of Patent: June 15, 1999
    Assignee: Z.A.F. Contractors, Inc.
    Inventor: Gregory Zafirakis