Patent ID: 7888927
Filing Date: 2011-02-15
Classification: G01V,Y10T

Abstract:
1. A device for locating a pre-established location hidden behind a covering material of a wall, said device comprising in combination: a) a position indicating device located at the hidden location proximate a rear surface of the covering material, said position indicating device including a first single magnet, a first housing for supporting said magnet, at least one wire tab extending from said housing for engagement by at least one electrical wire; and b) a position locating device movable adjacent a front surface of the covering material, said position locating device including a second and single magnet, a second housing comprising a disc for supporting said second magnet therein, a plurality of apertures extending through said disc to provide access to adjacent covering material, said second magnet being is disposed at the center of said disc and wherein said plurality of apertures comprises four apertures disposed radially outwardly of said second magnet, said position locating device being locatable adjacent the covering material to orient said second magnet in a first state to establish a magnetic attraction between said first and second magnets and to orient said second magnet in a second state to establish a magnetic repulsion between said first and second magnets.