.~> Oscillatory shaft with radially extending vane {4}
DEFINITION
Classification: 92/120
(under the class definition) Apparatus comprising (1) a working member of the type designed to move back and forth in an arcuate path of not more than 360 degrees about a fixed axis or (2) a working chamber designed to receive a working member of the type defined in section (1) of this definition.
SEE OR SEARCH THIS CLASS, SUBCLASS:
67, for plural relatively movable oscillating working members.
SEE OR SEARCH CLASS
73, Measuring and Testing,
252+, for a volume or rate of flow meter of the expansible chamber type having an oscillating piston. 417, Pumps,
481+, for an expansible chamber type pump having oscillating pumping member.
