Line projecting device

Details Line projecting device Line projecting device

G - Physics

01

B

G01B 11/26 (2006.01) G01B 9/08 (2006.01) G01B 11/24 (2006.01)

Patent

CA 2364810

The present invention concerns a line projecting device that can project a line spanning 360 degrees onto a working surface. The line projecting device preferably comprises two line projectors back to back and a leveling device. The leveling device is used to indicate the horizontal position of the line projectors, both being in a same plane. Each line projector consists in a source of light that can direct a collimated light beam on a transparent annular cylinder. A plurality of partial reflections and refractions of the light beam inside the cylinder create a line that spans over 360 degrees on working surfaces in the line of sight of the projector.

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