Patent ID: 8689730

Claim:
A painting system comprising: an outer robot arm moveable within a spray booth; an at least two-axis wrist with one end attached to the robot arm; a paint applicator attached to an other end of the at least two-axis wrist; a first paint metering device mounted on the robot arm and including an inlet and an outlet, wherein the outlet is in fluid communication with the paint applicator via a first paint line; a second paint metering device mounted on the robot arm and including an inlet and an outlet, wherein the outlet is in fluid communication with the paint applicator via a second paint line; and a color changer mounted on the robot arm and in fluid communication with each of inlets of the paint metering devices to fill at least one of the paint metering devices with a desired amount of paint, wherein each of the paint metering devices is electrostatically isolated from the color changer and wherein a vacuum is subjected to at least one of the internal passages of the paint applicator, the first paint metering device, the second paint metering device, the color changer, and related fluid connections to remove an amount of air prior to causing paint to flow therethrough.