(under subclass 43) Apparatus in which means to move or carry material away is continuously, unidirectionally rotated about an axis.
(1) Note. A rotary impeller which causes material to be moved or carried away is included under this definition whether the impeller directly contacts the material or not.
For example, a fluid current conveyor system in which a rotary impeller causes the fluid circulation which moves material but does not directly contact the material is included hereunder.
(2) Note. An orbitally moving material handling means, such as an endless belt conveyor is not included under this definition.
SEE OR SEARCH THIS CLASS, SUBCLASS:
68, for a hard material disintegrating machine having a rotary impeller type material handling means.
