US Patent 8448823 Apparatus for dispensing a plurality of fluids with removable actuator module

An apparatus for dispensing a plurality of fluids, includes a support, such as a turntable or a linear table, a plurality of containers for holding a fluid and mounted on the support, pumps and valves connected to respective containers, at least one common actuator for sequentially operating the pumps and valves to dispense fluid and a drive mechanism for moving the support, and thus the containers, pumps, and valves on the one hand and the actuator on the other relative to each other. The common actuator for sequentially operating the pumps and valves and the drive mechanism for relative motion of the support are integrated in a module, the module is releasably mounted in the apparatus.