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Positive sub-surface utility line and the like indicator

  • US 3,927,637 A
  • Filed: 09/14/1973
  • Issued: 12/23/1975
  • Est. Priority Date: 09/14/1973
  • Status: Expired due to Term
First Claim
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1. A device for providing at ground surface the location and depth of an underground conduit as well as the direction said conduit extends comprising:

  • a measuring tape adapted to be fastened at one end thereof to said conduit;

    a housing adapted to be placed adjacent to said ground surface, said housing having a recessed portion at the top thereof and an orifice extending from the bottom of said recessed portion through the bottom of said housing with the other end of said tape extending through said orifice;

    a container for fitting snugly within said recess, said container being generally dish shaped with an open top so as to be able to contain an envelope for holding information concerning said conduit;

    a number of holes in the bottom of said container arranged in a circle and an equal number of corresponding holes at the bottom of said recess in said housing so that one or more pins can be placed in holes at the bottom of said recess to extend upward into corresponding holes in said container after said container has been oriented to a desirable position with respect to said housing and placed down snugly within said recess and;

    a cap serving as a closure for the open top of said container;

    whereby, when said housing has been placed adjacent to said ground surface, indicia on said container can indicate the direction of said conduit when said container has been properly oriented with respect to said housing and said container can be removed so that the other end of said measuring tape is visible to indicate the depth of said conduit when said one end of said measuring tape is fastened to said conduit.

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