Patent ID: 7237726
Filing Date: 2007-07-03
Classification: B05B

Abstract:
1. A paint sprayer gun comprising: a gun body set having a chamber, a first air inlet at a periphery thereof, a pivot hole and a second air inlet at a rear side thereof, said first air inlet and said second air inlet being for guiding in compressed air; an air-floating member set having a sleeve fixedly mounted inside the chamber of said gun body set, a tubular shaft rotatably inserted through said sleeve, and a driving wheel located inside the chamber of said gun body set and fixedly fastened to one end of said tubular shaft, said sleeve having a plurality of grooves arranged on a periphery thereof and intersected with one another and a plurality of through holes radially extending through the periphery in air communication with said grooves for guiding in compressed air from the second air inlet of said gun body set to float said tubular shaft, said tubular shaft having an axial passage extending through front and rear ends thereof, said driving wheel having a plurality of blades arranged around a periphery thereof for receiving compressed air from the second air inlet of said gun body set to cause said tubular shaft to be rotated along with the rotation of said driving wheel; a tubular feeder inserted through the pivot hole of said gun body set into the axial passage of said tubular shaft, said feeder having a fluid inlet disposed outside said gun body set and a fluid outlet suspending inside said gun body set, said feeder having a stop ring connected to said gun body set, said stop ring having a radial through hole in air communication with said pivot hole of said gun body set for guiding compressed air into a space inside said tubular shaft and outside said feeder; and a nozzle connected to a front end of said tubular shaft for spraying supplied paint fluid.