(under the class definition) Apparatus in which the runner* comprises an endless, elongated flexible member, e.g., a chain or belt, which carries at least one blade* or which has a surface which functions like a blade.
SEE OR SEARCH CLASS
198, Conveyors: Power-Driven,
702, for a conveyor section of the bucket type which is particularly adapted to convey liquid; e.g., a water elevator.
417, Pumps,
320, for an endless chain pump comprising serially arranged pumping chamber, i.e., an endless chain having pistons or similar extension in a tight fitting casing so that the space between each piston or other obstruction and the inlet or outlet of the casing forms in effect an expansible chamber.