Coating device with integrated cleaning device

A coating device for coating items, comprising

• (a) a drum rotatably mounted about a horizontal axis for accommodation of the items during a coating process;
• (b) a loading device for filling the items into the drum;
• (c) a closeable opening in the drum for admission of the items prior to coating into the drum and for allowing discharge of the items following coating from the drum;
• (d) a spraying device disposed within the drum for coating said items:
• (e) an unloading device beneath said drum for removing the coated items;
• and
• (f) a reciprocatory screening element between said unloading device and said drum, said reciprocatory screening element being movable back and forth between a first position screening off said unloading device to a second position opening said unloading device;
• wherein said reciprocatory screening element is connected to a curved toothed rack which cooperates with a motor-driven toothed wheel for causing reciprocatory displacement of said reciprocatroy screening element.