INCLUDING DRIVEN MEANS AT LEAST PARTIALLY EXTERNAL OF BOWLFOR MOVING MATERIAL THERETO OR THEREFROM:
(under the class definition) Apparatus which includes means (e.g., a pump, a screw conveyor) which is located either (a) entirely outside the receptacle-like member, or (b) partly outside the member and having a portion extending thereinto, and wherein the means serves to move the material either (a) toward, or toward and into, or (b) away from, or out of and away from, the member.
(1) Note. In the majority of instances, the means of this subclass is not driven by the drive shaft of the member.