Patent ID: 7303149
Filing Date: 2007-12-04
Classification: B05B

Abstract:
1. An automatic spray gun comprising: a cylinder having an inner housing integrated with an outer housing by means of a plurality of ribs wherein two of the ribs on opposing circumferences have a screw hole in top; a motor integrated with a turbine disposed inside the inner housing; a sealing cap sealing off the inner housing having a central bore and a pair of slits in opposing peripheries engaged with the screw holed ribs; an outer cap covering the outer housing having a plurality of air slots spacedly formed in a periphery and a pair of through holes symmetrically formed in opposing sides of a top engaged with the slits of the sealing cap and the screw hole of the ribs of the cylinder and fasten by a pair of screws; a sleeve perpendicularly integrated with a lower periphery of the cylinder having an inverse L-shaped link on a top connected to a middle periphery of the cylinder, an axial tube on a top abutting the cylinder for suspending a Y-shaped pressing means thereform, a U-shaped plate on top, a hinder integrated with a lateral portion of the U-shaped and a handle bolt screwed into a lower portion of the Y-shaped pressing means biased by a small spring, a container cap integrated with an under side of the sleeve for covering a paint container with a hose disposed theretween, four anti-fouling pipes spacedly formed in front end, an air hole together with a liquid flowing canal in center and a plurality concaves in the front circumference thereof; a nozzle having a swivel inner plate, a tubular head and a swivel cap wherein the swivel inner plate has a central air canal surrounded by a plurality of small air canals which are engageable with the anti-fouling pipes of the sleeve and a plurality of protrusions on periphery engageable with the concaves of the sleeve, the tubular head has an opening in rear end for insertion of a front end of a needle and a threaded front end to engage within the central air canal of the swivel inner plate, the swivel cap covers the swivel inner plate and the tubular head and rotatably secures to the front end of said sleeve and has a control hole for spraying atomized paint to a working pieces; a tube and a hair switch disposed in an upper portion of the first half handle wherein tube is biased by an outer spring, an inner spring, biased the needle and touching means at inner end to touch a pair of metal tongues of the hair switch which actuates the motor to rotate; a plurality of electric wires fixed into the first half handle for connecting the cuter electric power to the motor through the hair switch; a second half handle assembled to the first half handle by a plurality of screws.