Illumination – With static structure
Patent
1977-08-12
1979-07-03
Lechert, Jr., Stephen J.
Illumination
With static structure
362147, 362259, 362275, 362287, 362432, F21S 102
Patent
active
041602854
ABSTRACT:
A point locating apparatus is disclosed for precisely locating a point from a known point where the position of the point to be located has been previously known. The apparatus of the present invention may be used to repeatedly locate an object, such as an oil fill pipe, once its position is originally known even though the location of the object on subsequent occasions may be obscured from view. The apparatus includes a bracket which may be mounted at a fixed point, such as on the wall of a building, and a collimated light source which may be removably mounted on the bracket. The bracket includes a keyed mounting structure which is at least partially rotatable in two orthogonal directions, thereby allowing adjustment to point the collimated light source in the direction of the object to be repeatedly located on subsequent occasions. The bracket is provided with structure for locking the keyed mounting structure in the selected rotated position which allows the collimated light source to point in the direction of the object to be located.
REFERENCES:
patent: 3116022 (1963-12-01), Davis
patent: 3392274 (1968-07-01), Neely et al.
Lechert Jr. Stephen J.
Petock Michael F.
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