(under subclass 64) 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:
46, for a sidewall working machine having a material handling means of the rotary impeller type.
