SELF-CONTAINED INSTRUMENT FOR MEASURING SUBTERRANEAN TUNNEL WALL DEFLECTION

The invention relates generally to apparatus for measuring the amount of deflection of a subterranean tunnel, and more particularly to a completely self-contained rod-like instrument including a deflection measuring transducer, a data storage means, and a visual indicator to an operator.

  • Supplemental Notes:
    • Supersedes PB-245 369. This Government-owned invention available for U.S. licensing and, possibly, for foreign licensing. Copy of patent available Commissioner of Patents, Washington, D.C. 20231 $0.50.
  • Corporate Authors:

    Department of the Interior

    1849 C Street, NW
    Washington, DC  United States  20240
  • Authors:
    • Rasmussen, D E
    • Hof, PJJ
  • Publication Date: 1976-10

Media Info

  • Pagination: 32 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00154120
  • Record Type: Publication
  • Source Agency: National Technical Information Service
  • Report/Paper Numbers: PAT-APPL-585-223 Patent
  • Files: TRIS
  • Created Date: May 31 1977 12:00AM