Patent ID: 7484676

Claim:
A liquid spraying apparatus comprising a spray gun including: a spray gun body provided with a trigger mechanism; a spray head including a hollow body configured to releasably couple a rear end of the spray head to the spray gun body, and an insert having an axial bore and configured to axially insert into the hollow body, wherein the combination of the hollow body and the insert define a spray nozzle at a front end of the spray head; a liquid reservoir coupleable to the hollow body and the axial bore of the insert for supplying liquid to the spray nozzle in response to actuation of the trigger mechanism such that liquid from the reservoir is delivered to the spray nozzle through the spray head without passing through the spray gun body, wherein the liquid reservoir is disposable and can be discarded after use; and air outlets arranged on opposite sides of the spray nozzle to provide air streams directed inwardly into liquid dispensed from the spray nozzle; wherein an end of the hollow body and a front end of the spray gun body are provided with mateable formations that are engageable to secure the spray head to the spray gun body, the formations being releasable to detach the spray head from the spray gun body and a needle connected to the trigger mechanism, and the air outlets are provided on the spray head at the front end of the spray head body such that the air outlets and spray nozzle are connected to and disconnected from the spray gun body with the spray head.