(under subclass 54) Subject matter wherein the current collecting mechanism control includes circumferential movement of the mechanism.
SEE OR SEARCH CLASS
310, Electrical Generator or Motor Structure,
241, for circumferential adjustment of the brushes for a dynamoelectric machine.
318, Electricity: Motive Power Systems,
292, for motor reversing by circumferential movement of brushes, and subclass 541, for motor control by circumferential movement of brushes. 388, Electricity: Motor Control Systems,
836, for running-speed control systems in which brushes are moved.
