Patent ID: 8104696

Claim:
A rotary spray nozzle for spray guns comprising, a metallic outer housing; and a plastic assembling element, wherein the metallic outer housing has a hollow chamber to fluidly connect to a water-emitting port for accommodating and securing the plastic assembling element therein, wherein the metallic outer housing and the plastic assembling element form a rotary spray head thereby, wherein the plastic assembling element, forming a hollow extending there-through, has an internal-threaded portion defining an interior thereon to secure to an external-threaded section defining a water-outlet cylinder of a gun body thereby, wherein the plastic assembling element has a depth slightly shorter than that of the hollow chamber of the metallic outer housing so as to preset a riveting section to be punched via riveting operation to form a stop flange extending at a bottom section of the plastic assembling element, and wherein the plastic assembling element being restricted in position and secured inside the hollow chamber thereof.