Patent ID: 8567341

Claim:
A powder coating system comprising: a plurality of supply containers; a connection changer having a plurality of supply connectors arranged in a generally common plane, each of the supply connectors in fluid communication with at least one of the plurality of supply containers and a movable delivery connector selectively and independently connectable to each of the plurality of supply connectors, the connection changer including a first support member supporting the movable delivery connector and allowing axial movement of the moveable delivery connector, wherein the axial movement is transverse to the common plane, a second support member supporting the first support member and allowing lateral movement of the first support member generally parallel to the common plane, and a third support member supporting the second support member and allowing lateral movement of the second support member transverse to the lateral movement of the first support member, wherein fluid communication from the plurality of supply containers to the plurality of supply connectors defines a supply portion of the system; a pump in fluid communication with the delivery connector of the connection changer; and at least one applicator in fluid communication with the pump, wherein fluid communication from the delivery connector to the applicator defines a delivery portion of the system; wherein the pump is disposed along the delivery portion of the system between the delivery connector and the at least one applicator to apply negative pressure to the at least one selected supply container and draw its contents to the at least one applicator.