Education and demonstration – Visual art or craft – artistic adornment – or color training... – Color application
Patent
1997-11-06
1999-09-14
Nguyen, Kien T.
Education and demonstration
Visual art or craft, artistic adornment, or color training...
Color application
434 11, 356375, G09B 1110
Patent
active
059512962
ABSTRACT:
An optical spray painting practice gun emits a shaped optical beam onto a practice surface to simulate an actual paint spray on the surface. The gun preferably uses a class 2 diode laser to generate a laser beam which is reshaped by a collimating lens into a diverging beam that illuminates the practice surface. The collimating lens creates an elongated image on the practice surface having a length corresponding linearly to the distance of the practice gun nozzle to the practice surface as with a conventional spray gun. The illuminated image distorts when the practice gun is not perpendicular to the practice surface. The collimating lens is located in a rotatable collar so that the orientation of the elongated image on the practice surface can be adjusted. In other respects, the structure of the practice gun is preferably the same as a conventional spray gun. A DC battery is contained in the removable paint container for the practice gun and supplies power to the laser when a trigger-actuated electric switch is engaged. Placing the battery in the removable container helps to simulate proper spray gun weight and weight distribution.
REFERENCES:
patent: 3784804 (1974-01-01), Sabatelli
patent: 4291839 (1981-09-01), Brett
patent: 5331468 (1994-07-01), Noethen
patent: 5598972 (1997-02-01), Klein
patent: 5757498 (1998-05-01), Klein
Fernstrom Kurt
Nguyen Kien T.
University of Northern Iowa Foundation (UNIF)
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