Patent ID: 9375736
Filing Date: 2016-06-28
CPC Classification: B05B

Claim Text:
1. A spray gun comprising: a gun main body; a coating material nozzle attached to a gun barrel part of the gun main body and formed with at least one groove on a tip end portion having a coating material ejection opening; and an air cap disposed surrounding the coating material ejection opening of the coating material nozzle, introducing air to the at least one groove of the coating material nozzle, and having a side air hole for ejecting air to intersect with coating material ejected from the coating material ejection opening of the coating material nozzle, wherein the coating material nozzle is configured to adjust a position of the at least one groove around a central axis thereof a least at the tip end portion thereof, wherein the coating material nozzle comprises a first nozzle arranged on a side of the tip end portion and a second nozzle coaxially arranged on a side of a back end portion of the first nozzle, the second nozzle being screwed with the gun main body, and the first nozzle being connected to the second nozzle to adjust the position of the at least one groove around the central axis, wherein the first nozzle has a large diameter portion in outer diameter at a back end portion thereof, the outer diameter of the large diameter portion being larger than an outer diameter of a tip end portion of the first nozzle, and the second nozzle has an edge wall portion formed with a hole at an open end of a tip end portion thereof, and wherein the first nozzle is connected to the second nozzle in such a manner that the first nozzle is inserted to protrude through the hole of the second nozzle, and a fastener member is screwed with the tip end portion of the first nozzle, whereby the edge wall portion of the second nozzle is clamped between the large diameter portion of the first nozzle and the fastener member.