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Measuring arrangement to determine location of corners for a building foundation and a wooden base frame, and the use thereof

  • US 7,137,207 B2
  • Filed: 06/23/2004
  • Issued: 11/21/2006
  • Est. Priority Date: 06/23/2003
  • Status: Expired due to Fees
First Claim
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1. A method of defining a 90 degree angle for positioning the corner of a building foundation, using a measurement and positioning device for defining a 90 degree angle for positioning the corner of a building foundation, said measurement and positioning device comprising:

  • a hook structure being configured to hang said device from a string tied between two stakes; and

    at least one laser beam projector being configured to project a laser beam from said measurement and positioning device substantially perpendicular to a string from which said measurement and positioning device is suspended to define a 90 degree angle and a location where a corner of a building foundation will be placed;

    said method comprising the steps of;

    placing a first stake and a second stake in the ground on a line where a side of a building foundation will be located;

    tying a string between said first stake and said second stake;

    hanging said measurement and positioning device from said string; and

    switching on said measurement and positioning device to supply power to said at least one laser beam projector to project a laser beam from said measurement and positioning device substantially perpendicular to said string to define a 90 degree angle and a location where a corner of a building foundation will be placed.

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